MICRODYNE CORP
S-3/A, 1995-11-30
RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT
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<PAGE>   1
 
   
          AS FILED WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION ON
                                               November 30, 1995
    
 
                                                       REGISTRATION NO. 33-63737
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
   
                                Amendment No. 2
    
                                       to
                                    Form S-3
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                            ------------------------
 
                             MICRODYNE CORPORATION
 
               (Exact name of registrant as specified in charter)
 
                                    MARYLAND
                          (State or other jurisdiction
                       of incorporation or organization)
                                   52-0856493
                                (I.R.S. Employer
                              Identification No.)
 
                             3601 Eisenhower Avenue
                           Alexandria, Virginia 22304
                                 (703) 739-0500
         (Address, including zip code, and telephone number, including
            area code, of registrant's principal executive offices)
                            ------------------------
 
                          William Marshall Ellison, II
                       Assistant Treasurer and Controller
                             Microdyne Corporation
                             3601 Eisenhower Avenue
                           Alexandria, Virginia 22304
                                 (703) 739-0500
           (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)
 
                            ------------------------
 
                                   Copies to:
 
<TABLE>
<S>                                           <C>
          Curtis M. Coward, Esquire                     Howard L. Shecter, Esquire
   McGuire, Woods, Battle & Boothe, L.L.P.             Morgan, Lewis & Bockius LLP
            8280 Greensboro Drive                            101 Park Avenue
         McLean, Virginia 22102-3892                     New York, New York 10178
                (703) 712-5000                                (212) 309-6030
</TABLE>
 
                            ------------------------
 
     Approximate date of commencement of proposed sale to the public:
 
     If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box. / /
 
     If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box. / /
 
                            ------------------------
 
The Registrant hereby amends this Registration Statement on such date or dates
as may be necessary to delay its effective date until the registrant shall file
a further amendment which specifically states that this Registration Statement
shall thereafter become effective in accordance with Section 8(a) of the
Securities Act of 1933 or until the Registration Statement shall become
effective on such date as the Commission, acting pursuant to said Section 8(a),
may determine.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   2
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
     The following table sets forth the estimated expenses in connection with
the issuance and distribution of the shares of Common Stock registered hereby,
all of which will be borne by the Company.
 
<TABLE>
        <S>                                                               <C>
        SEC Registration fee...........................................   $ 34,004.31
        NASD Filing Fee................................................     10,361.25
        Blue Sky Fees and Expenses.....................................     15,000.00
        Legal fees and expenses........................................     50,000.00
        Accounting fees and expenses...................................     25,000.00
        Printing.......................................................     60,000.00
        Miscellaneous..................................................    105,634.44
                                                                          -----------
             Total.....................................................   $300,000.00
                                                                           ==========
</TABLE>
 
ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS
 
     Section 2-418 of the Maryland General Corporation Law empowers a
corporation to indemnify its directors and officers or former directors or
officers and to purchase insurance with respect to liability arising out of
their capacity or status as directors and officers. Such law provides further
that the indemnification permitted thereunder shall not be deemed exclusive of
any other rights to which the directors and officers may be entitled under a
corporation's certificate of incorporation, bylaws, any agreement or otherwise.
 
     The Company's Articles of Amendment and Restatement limits the liability of
directors and officers to the fullest extent permissible by Maryland law, as
amended from time to time. The Company's Bylaws provide that the Company shall
indemnify its officers, directors and employees against liabilities and expenses
resulting from their service as such.
 
ITEM 16. EXHIBITS
 
   
<TABLE>
<CAPTION>
   EXHIBIT                                 DESCRIPTION OF EXHIBIT
   -------    ---------------------------------------------------------------------------------
   <C>        <S>
      1       Form of Underwriting Agreement.*
      2       Merger Agreement between Federal Technology Corporation and Registrant, dated
              March 7, 1991 (Incorporated by reference to Exhibit 2.1 to the Registrant's 1991
              Form S-4 Registration Statement).
      5.1     Opinion of McGuire, Woods, Battle & Boothe L.L.P.*
     10.1     Noncompetition Agreement dated as of June 21, 1995 between Microdyne Corporation
              and Philip T. Cunningham.*
     10.2     Executive Employment Agreement dated as of October 24, 1995 between Microdyne
              Corporation and Philip T. Cunningham.*
     10.3     WNIM Purchase Agreement dated June 14, 1994 between Microdyne Peyton Street
              Corporation, a wholly owned subsidiary of the Registrant, and Gateway
              Communications, Inc.*
     10.4     Asset Purchase Agreement dated June 14, 1994 between Microdyne Peyton Street
              Corporation and Gateway Communications, Inc.*
     10.5     Token Ring Purchase Agreement dated as of July 28, 1994 between Microdyne
              Corporation and Digital Communications Associates, Inc. (Incorporated by
              reference to Exhibit 1 to Registrant's Current Report on Form 8-K dated July 29,
              1994).
     10.6     Asset Purchase Agreement dated January 6, 1995 between Microdyne Corporation and
              Artisoft, Inc. (Incorporated by reference to Exhibit 1 to the Registrant's
              Current Report on Form 8-K dated January 6, 1995).
</TABLE>
    
 
                                      II-1
<PAGE>   3
 
   
<TABLE>
<CAPTION>
   EXHIBIT                                 DESCRIPTION OF EXHIBIT
   -------    ---------------------------------------------------------------------------------
   <C>        <S>
     10.7     Asset Purchase Agreement dated as of September 12, 1995 between Microdyne
              Corporation and National Semiconductor Corporation.*
     10.8     License Agreement between Novell, Inc. and Microdyne, Inc. dated July 31, 1992.
     10.9     OEM Agreement between Novell, Inc. and Microdyne dated June 14, 1993.
     10.10    Depot Repair, Product Refurbishment and Warranty Administration Agreement between
              Microdyne Corporation (formerly Federal Technology Corporation) and Epson
              America, Inc., as amended, dated October 1, 1994.
     10.11    Credit Agreement dated as of January 27, 1995 among Microdyne Corporation,
              Crestar Bank and NBD Bank.
     10.12    First Amendment to Credit Agreement among Microdyne Corporation, Crestar Bank and
              NBD Bank dated as of October 26, 1995.
     23.1     Consent of McGuire, Woods, Battle & Boothe L.L.P. (included in Exhibit 5.1
              above).
     23.2     Consent of Grant Thornton LLP.*
     23.3     Consent of KPMG Peat Marwick L.L.P.*
     23.4     Consent of Price Waterhouse LLP.*
     24       Power of attorney.*
     27       Financial Data Schedule.*
</TABLE>
    
 
- ---------------
   
* Previously filed.
    
 
ITEM 17. UNDERTAKINGS
 
     The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to Section 13(a) or Section 15(d) of the
Securities Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan's annual report pursuant to Section 15(d) of the
Securities Exchange Act of 1934) that is incorporated by reference in the
Registration Statement, shall be deemed to be a new registration statement
relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.
 
     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to directors, officers and controlling persons of the
registrant pursuant to the foregoing provisions, or otherwise, the registrant
has been advised that in the opinion of the Securities and Exchange Commission
such indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the registrant of expenses incurred
or paid by a director, officer or controlling person of the registrant in the
successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.
 
     The undersigned registrant hereby undertakes that:
 
          (1) For purposes of determining any liability under the Securities Act
     of 1933, the information omitted from the form of prospectus filed as part
     of this registration statement in reliance upon Rule 430A and contained in
     a form of prospectus filed by the registrant pursuant to Rule 424(b)(1) or
     (4) or 497(h) under the Securities Act shall be deemed to be part of this
     registration statement as of the time it was declared effective.
 
          (2) For the purpose of determining any liability under the Securities
     Act of 1933, each post-effective amendment that contains a form of
     prospectus shall be deemed to be a new registration statement relating to
     the securities offered therein, and the offering of such securities at that
     time shall be deemed to be the initial bona fide offering thereof.
 
                                      II-2
<PAGE>   4
 
                                   SIGNATURES
 
   
          Pursuant to the requirements of the Securities Act of 1933, the
     Registrant certifies that it has reasonable grounds to believe that it
     meets all of the requirements for filing on Form S-3 and has duly caused
     this Registration Statement to be signed on its behalf by the undersigned,
     thereunto duly authorized, in the City of Alexandria, Commonwealth of
     Virginia, on this 30th day of November 1995.
    
 
                                          MICRODYNE CORPORATION
 
   
                                          By:   /s/ PHILIP T. CUNNINGHAM
                                             ---------------------------
    
                                                    PHILIP T. CUNNINGHAM
                                                       PRESIDENT AND
                                                      CHIEF EXECUTIVE
                                                          OFFICER
 
     Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.
 
   
<TABLE>
<CAPTION>
                  SIGNATURE                              TITLE                     DATE
- -----------------------------------------------------------------------------------------------
<S>                                          <C>                           <C>
          /s/ PHILIP T. CUNNINGHAM             President, Chief Executive      November 30, 1995
- ---------------------------------------------     Officer and Director
              PHILIP T. CUNNINGHAM           (Principal Executive Officer)

        /s/ CHRISTOPHER M. MAGINNISS           Executive Vice President,       November 30, 1995
- ---------------------------------------------    Treasurer and Director
            CHRISTOPHER M. MAGINNISS         (Principal Financial Officer)

      /s/ WILLIAM MARSHALL ELLISON, II*         Assistant Treasurer and        November 30, 1995
- ---------------------------------------------          Controller
          WILLIAM MARSHALL ELLISON, II       (Principal Accounting Officer)

            /s/ CURTIS M. COWARD*                       Director               November 30, 1995
- ---------------------------------------------
                CURTIS M. COWARD

         /s/ GREGORY W. FAZAKERLEY*                     Director               November 30, 1995
- ---------------------------------------------
             GREGORY W. FAZAKERLEY

            /s/ H. BRIAN THOMPSON*                      Director               November 30, 1995
- ---------------------------------------------
               H. BRIAN THOMPSON
           * By Power of Attorney
</TABLE>
    
 
                                      II-3
<PAGE>   5
 
                                 EXHIBIT INDEX
 
   
<TABLE>
<CAPTION>
                                                                                       SEQUENTIALLY
                                                                                         NUMBERED
   EXHIBIT                            DESCRIPTION OF EXHIBIT                               PAGE
   -------    ----------------------------------------------------------------------   ------------
   <C>        <S>                                                                      <C>
      1       Form of Underwriting Agreement.*
      2       Merger Agreement between Federal Technology Corporation and
              Registrant, dated March 7, 1991 (Incorporated by reference to Exhibit
              2.1 to the Registrant's 1991 Form S-4 Registration Statement).
      5.1     Opinion of McGuire, Woods, Battle & Boothe L.L.P.*
     10.1     Noncompetition Agreement dated as of June 21, 1995 between Microdyne
              Corporation and Philip T. Cunningham.*
     10.2     Executive Employment Agreement dated as of October 24, 1995 between
              Microdyne Corporation and Philip T. Cunningham.*
     10.3     WNIM Purchase Agreement dated June 14, 1994 between Microdyne Peyton
              Street Corporation, a wholly owned subsidiary of the Registrant, and
              Gateway Communications, Inc.*
     10.4     Asset Purchase Agreement dated June 14, 1994 between Microdyne Peyton
              Street Corporation and Gateway Communications, Inc.*
     10.5     Token Ring Purchase Agreement dated as of July 28, 1994 between
              Microdyne Corporation and Digital Communications Associates, Inc.
              (Incorporated by reference to Exhibit 1 to Registrant's Current Report
              on Form 8-K dated July 29, 1994).
     10.6     Asset Purchase Agreement dated January 6, 1995 between Microdyne
              Corporation and Artisoft, Inc. (Incorporated by reference to Exhibit 1
              to the Registrant's Current Report on Form 8-K dated January 6, 1995).
     10.7     Asset Purchase Agreement dated as of September 12, 1995 between
              Microdyne Corporation and National Semiconductor Corporation.*
     10.8     License Agreement between Novell, Inc. and Microdyne, Inc. dated July
              31, 1992.
     10.9     OEM Agreement between Novell, Inc. and Microdyne dated June 14, 1993.
     10.10    Depot Repair, Product Refurbishment and Warranty Administration
              Agreement between Microdyne Corporation (formerly Federal Technology
              Corporation) and Epson America, Inc., as amended, dated October 1,
              1994.
     10.11    Credit Agreement dated as of January 27, 1995 among Microdyne
              Corporation, Crestar Bank and NBD Bank.
     10.12    First Amendment to Credit Agreement among Microdyne Corporation,
              Crestar Bank and NBD Bank dated as of October 26, 1995.
     23.1     Consent of McGuire, Woods, Battle & Boothe L.L.P. (included in Exhibit
              5.1 above).
     23.2     Consent of Grant Thornton LLP.*
     23.3     Consent of KPMG Peat Marwick L.L.P.*
     23.4     Consent of Price Waterhouse LLP.*
     24       Power of attorney.*
     27       Financial Data Schedule.*
</TABLE>
    
 
- ---------------
   
* Previously filed.
    
 
                                      II-4

<PAGE>   1
                                                                    EXHIBIT 10.8


NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------






         NOVELL NE 1000, NE 1500T, NE2000, NE2000T, NE2100, AND NE3200

                        NIC TECHNOLOGY LICENSE AGREEMENT

                                    BETWEEN

                        NOVELL, INC. AND MICRODYNE, INC.




- --------------------------------------------------------------------------------
                                    Page 1

<PAGE>   2
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

         NOVELL NE 1000, NE 1500T, NE2000, NE2000T, NE2100, AND NE3200

                        NIC TECHNOLOGY LICENSE AGREEMENT

                                    BETWEEN

                        NOVELL, INC. AND MICRODYNE, INC.


         AGREEMENT entered into between Novell, Inc., a Delaware corporation
principally located at 122 East 1700 South, Provo, UT ("Novell"), and
Microdyne, Inc., a Delaware corporation principally located at 207 South Payton
Street, Alexandria, VA ("Microdyne").

1        TERM.  The term of this Agreement shall be for two (2) years from the
         date executed by Novell ("Effective Date") and shall automatically
         renew for additional one (1) year terms unless either party elects to
         terminate the Agreement by providing the other party 180 days or more
         prior written notice.

2        DEFINITIONS.

         2.1        Confidential Information.  "Confidential Information" means
                    the information and materials which are marked or noticed
                    by either Novell or Microdyne as confidential or
                    proprietary, and any trade secrets or know-how of Novell
                    disclosed to Microdyne hereunder and related to the
                    Products.  Confidential Information shall not include any
                    information that the receiving party can document is (i)
                    already in the possession of the receiving party without
                    obligation of confidence; (ii) independently developed by
                    the receiving party without use of Confidential
                    Information; or (iii) or becomes available to the general
                    public without breach of this Agreement; or (iv) rightfully
                    received by the receiving party from a third party without
                    obligation of confidence; or (v) released for disclosure by
                    the receiving party with the disclosing party's prior
                    written consent.

         2.2        Deliverables.  "Deliverables" means the items listed in
                    Exhibit A.  The Deliverables shall be shipped F.O.B.
                    Novell's facilities.  All title (except in intellectual
                    property) and risk of loss shall pass to Microdyne upon
                    delivery to Microdyne or its carrier.





- --------------------------------------------------------------------------------
                                    Page 2

<PAGE>   3
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

         2.3        Products.  "Products" means the Novell NE1000, NE1500T,
                    NE2000, NE2000T, NE2100, and NE3200 network interface
                    cards, and the related Software, hardware and filmware
                    provided by Novell to Microdyne under this Agreement.

         2.4        Software.  "Software" means the computer programs
                    identified in Exhibit A.  "Software" does not include
                    enhanced systems or applications software or any software
                    other than the software necessary to make the Products
                    operate.

3        GRANTS OF RIGHTS, RESTRICTIONS.

         3.1        Rights to Manufacture, Remanufacture, Support and
                    Distribute.  Subject to compliance with this Agreement,
                    Novell grants Microdyne a non-exclusive, non-transferable
                    world-wide license to use, enhance, modify, improve,
                    manufacture, support, market, distribute and sell the
                    Products.  The right granted herein to manufacture the
                    Products shall include the right to have the Products
                    manufactured by third parties, except such right to
                    manufacture the Software shall be limited to reproducing
                    the Software in binary form only.  The right to distribute
                    the Products shall include the right to sublicense the
                    Software in binary form only.  all rights not expressly
                    granted herein remain in Novell, including any right to
                    sublicense the underlying technology of the Products and/or
                    Software.

         3.2        Ownership of the Products.  No title to or ownership of the
                    Products or Novell Confidential Information, or any of the
                    parts thereof, is transferred to Microdyne.  Title to all
                    applicable rights and patents, copyrights and trade secrets
                    in the Products and Software furnished hereunder shall
                    remain in Novell.  Microdyne agrees to take appropriate
                    action by instruction or agreement with its employees,
                    agents, contractors and sublicensees who are permitted
                    access to Novell technology to fulfill its obligations
                    hereunder.  EXCEPT AS SET FORTH HEREIN, OR AS MAY BE
                    PERMITTED IN WRITING BY NOVELL, MICRODYNE SHALL NOT PROVIDE
                    NOVELL SUPPLIED TECHNOLOGY OR ANY NOVELL CONFIDENTIAL
                    INFORMATION TO ANY THIRD PARTY.  IN THE EVENT MICRODYNE IS
                    GRANTED ANY RIGHT TO SUBLICENSE ANY RIGHT HEREUNDER,
                    MICRODYNE AGREES THAT IT SHALL ENTER INTO APPROPRIATE
                    AGREEMENTS WITH SUBLICENSEES TO PROTECT NOVELL'S RIGHTS IN
                    THE TECHNOLOGY.





- --------------------------------------------------------------------------------
                                    Page 3

<PAGE>   4
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------


4        TRADEMARKS.

         4.1        License.  Conditional upon Microdyne's compliance with this
                    Section 4.1, Novell hereby grants to Microdyne a
                    non-exclusive, world-wide license to use the Novell
                    trademarks and designations identified in Exhibit G (the
                    "Marks") solely in conjunction with marketing, distributing
                    and sublicensing Products.  Microdyne or its agents may use
                    the Marks on such promotional display and advertising
                    materials as may, in Microdyne's judgment, promote such
                    Products.  Microdyne may use the Marks with Microdyne's own
                    marks after obtaining the prior written approval of Novell,
                    which shall not unreasonably be withheld.

         4.2        Advertisements, Packaging and Promotional Material.  The
                    first article, advertising proof or mock-up of all
                    advertisements, packaging and promotional materials using
                    the Marks will be subject to Novell's prior review and
                    approval.  Microdyne agrees to send a copy of such to
                    Novell Communications in Provo, Utah with a copy to
                    Novell's Technology Law Group in Provo, Utah.  Novell shall
                    promptly review and respond to Microdyne's requests for
                    approval and shall have a period of five business days to
                    accept or reject such requests.

         4.3        Approvals.  Microdyne acknowledges that it is of
                    fundamental importance to Novell that the versions of
                    Products (including Documentation) in connection with which
                    Microdyne uses the Marks are of comparable quality to the
                    NetWare products of Novell.  Accordingly, Microdyne
                    acknowledges that Novell retains the right to determine in
                    its reasonable discretion whether the versions of Products
                    in connection with which Microdyne uses the marks are
                    comparable to Novell's standards of merchantability.  In
                    the event that Novell reasonably determines that Microdyne
                    is no longer meeting accepted levels of quality, Novell
                    agrees to so advise Microdyne and to provide Microdyne with
                    reasonable guidance and a commercially reasonable time of
                    no less than ninety (90) days to meet the above-referenced
                    standards of quality and integrity.

         4.4        Reservation of Rights and Goodwill.  Novell retains all
                    rights in and to the Marks not expressly conveyed to
                    Microdyne by this Section 4.  Microdyne acknowledges that
                    all goodwill which accrues in use of the Marks by Microdyne
                    shall exclusively inure to the benefit of, and belong to,
                    Novell.  Microdyne has no rights of any kind whatsoever





- --------------------------------------------------------------------------------
                                    Page 4

<PAGE>   5

NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                               with respect to the Marks licensed under this 
                               Agreement except to the extent of the license 
                               granted in Section 4.1

         4.5        No Registration by Microdyne.

                    4.5.1      Representation.  Microdyne represents that there
                               is no registration or application for any
                               trademark and/or service mark which is the same
                               as, or confusingly similar to, the Marks in any
                               class and in any and all countries of the world,
                               which is made by, on behalf and/or in the name
                               of Microdyne.

                    4.5.2      Preexisting Registrations and Applications.
                               Upon Novell's request and at Novell's expense,
                               and for the purpose of and to the extent
                               necessary for use or registration of the Marks
                               by Novell, Microdyne agrees to immediately
                               assign over to Novell or, at the discretion of
                               Novell withdraw, abandon, cancel, or otherwise
                               transfer ownership and/or control (such transfer
                               or control may be effected through exclusive
                               license, consent or other similar agreements) of
                               any trademark and/or service mark registration
                               and/or application existing as of the Effective
                               Date in any class, and in any and all countries
                               of the world mad by, on behalf and/or in the
                               name of Microdyne, or any officer, director,
                               employee, agent, servant, with respect to any
                               and all trademarks and/or service marks which
                               are confusingly similar to the Marks.

                    4.5.3      Prospective Prohibition.  Microdyne further
                               agrees to refrain from filing any new trademark
                               and/or service mark application(s) with regard
                               to any specification in any class and in any
                               country, for any trademark and/or service mark
                               which is confusingly similar to the Marks,
                               without the prior written consent of Novell.
                               Novell shall consider in good faith any request
                               of Microdyne to register the Marks in particular
                               countries.

                    4.5.4      Subsidiaries & Affiliates.  In the event that
                               Novell discovers any person, employee, officer,
                               director, agent, servant or juristic entity,
                               each of which is controlled by, or under common
                               control of, Microdyne has filed for, or obtained
                               a registration of, or is otherwise using any
                               trademark which is confusingly similar to Marks,
                               Novell shall provide written




- --------------------------------------------------------------------------------
                                    Page 5

<PAGE>   6
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                               notice of such to Microdyne.  Commencing upon
                               receipt of such notice, Microdyne agrees to
                               exercise best efforts to cause such juristic
                               entity to assign to, or otherwise provide Novell
                               with an exclusive license for the Marks.

                    4.5.5      Resellers & Licensees.  Microdyne agrees to
                               exercise best efforts to incorporate into each
                               agreement through which it sublicenses or sells
                               Products provisions consistent with Section 4.5.

                    4.5.6      Confusing Similarity.  For purposes of Section
                               4.5, whether a mark is "confusingly similar"
                               shall be determined in accordance with the laws
                               of the jurisdiction in which the question
                               arises.

                    4.5.7      Survivability.  The provisions of this Section
                               4.5, as they apply to Microdyne, shall survive
                               any termination or expiration of this Agreement
                               for a period of three (3) years after all of
                               Microdyne's obligations under this Agreement are
                               fulfilled.

         4.6        Protection of Rights.  Microdyne shall assist Novell, at
                    Novell's expense and to the extent reasonably necessary, to
                    protect or to obtain protection for any of Novell's rights
                    to the Marks.  Novell, if it so desires, may commence or
                    prosecute any applications to register the Marks in the
                    name of Novell for the Marks throughout the world.
                    Microdyne shall promptly notify Novell in writing of any
                    known or suspected abuses of the Marks.  Novell shall have
                    the sole right to determine whether or not any action shall
                    be taken on account of such uses by others.  Novell shall
                    not institute any suit or take any action on account of
                    such use by others except with Novell's prior written
                    consent.

         4.7        Recordation.  Prior to using the Marks in any country
                    outside of the United States, Microdyne agrees to provide
                    written notice to Novell of such country.  Based upon the
                    notice, Novell may, where it deems appropriate in its sole
                    discretion, effect recordation of Microdyne as a registered
                    user of such mark in such country and/or recordation of the
                    Agreement or other license agreements which meet
                    appropriate local standards with appropriate authorities.
                    Microdyne shall assist Novell as appropriate in carrying
                    out such recording process.  To defray Novell's expenses
                    for charges imposed on Novell by such





- --------------------------------------------------------------------------------
                                    Page 6

<PAGE>   7
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    country and by local associated for the recording
                    activities contemplated above, Novell shall invoice
                    Microdyne a recordal fee of $300 per country in which
                    recordal is effected.  Such invoice shall be payable to
                    Novell within thirty (30) days after receipt of the
                    applicable invoice.  Upon the termination or expiration of
                    this Agreement of Microdyne's right to use the Marks in any
                    country to which this Section applies, Novell and Microdyne
                    agree to execute any documents that may be necessary to
                    restore Novell to its former position in all respects.

         4.8        Indemnification by Microdyne.  Microdyne hereby agrees to
                    indemnify and hold Novell harmless against any loss,
                    liability, damage, cost or expense (including reasonable
                    legal fees) arising out of any claims or suits, whatever
                    their nature and however arising, which may be brought or
                    made against Novell (i) by reason of Microdyne's material
                    breach of this Section 4 and/or (ii) arising out of the use
                    by Microdyne of the Marks in any manner whatsoever except
                    in the form expressly licensed hereunder.  In the vent
                    Novell seeks indemnification under this Section 4.8, it
                    shall immediately notify Microdyne, in writing, of any
                    claim or proceeding brought against it for which it seeks
                    indemnification hereunder.  Microdyne shall have the sole
                    control of the defense of the claim or proceeding and all
                    negotiations for its settlement or compromise.  In no event
                    may Microdyne enter into any third party agreements which
                    would in any manner whatsoever affect the rights of, or
                    bind Novell in any manner to the third party, without the
                    prior written consent of Novell.

         4.9        Indemnification by Novell.  Novell hereby agrees to
                    indemnify and hold Microdyne harmless against any loss,
                    liability, damage, cost or expense (including reasonable
                    legal fees) arising out of any claims or suits, whatever
                    their nature and however arising, which may be brought or
                    made against Microdyne arising out of the use by Microdyne
                    of the Marks in the form expressly licensed hereunder.  In
                    the event Microdyne seeks indemnification under this
                    Section 4.9, it shall immediately notify Novell, in
                    writing, of any claim or proceeding brought against it for
                    which it seeks indemnification hereunder.  In no event may
                    Novell enter into any third party agreements which would in
                    any manner whatsoever affect the rights of, or bind
                    Microdyne in any manner to the third party, without the
                    prior written consent of Microdyne.  Novell shall have the
                    sole control of the defense of the claim or proceeding and
                    all negotiations for its settlement or





- --------------------------------------------------------------------------------
                                    Page 7

<PAGE>   8
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    compromise.  Novell reserves the right to replace or modify
                    the Marks at any time should use of the Marks become, or in
                    Novell's opinion be likely to become, the subject of an
                    allegation or infringement.

5        TESTING AND CERTIFICATION.

         5.1        Testing.  Microdyne agrees to submit each Product to Novell
                    for testing.  Microdyne acknowledges that the Products
                    shall be subject to the testing and certification
                    requirements of this Agreement whenever any functional
                    revision is made to either Software or to the hardware of
                    the Products.  Testing and certification shall be
                    controlled by the then current testing and certification
                    policies and procedures of Novell Labs for co-labelled
                    products and shall be subject to the charges applicable
                    under the Novell Labs Program.  Novell may request a copy
                    of the then current testing and certification policies and
                    procedures prior to submitting any of the Products for
                    testing.

         5.2        Certification Requests.  Novell shall only receive requests
                    for testing and certification from a single designee within
                    Microdyne at any given time.  Microdyne acknowledges that
                    Novell will handle all request for testing and
                    certification on a first-come-first-served queuing basis.
                    Novell agrees to treat Microdyne's request for testing and
                    certification as it treats any other similar requests.





- --------------------------------------------------------------------------------
                                    Page 8

<PAGE>   9
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

6        CONSIDERATION.

         6.1        Per-Copy Royalty.  Royalties to Novell will accrue for each
                    copy of the Products sold, licensed or otherwise
                    transferred by Microdyne in accordance with the royalties
                    specified in Table 1 below and a minimum royalty as
                    specified in Section 6.2 below.

         TABLE I - PER COPY ROYALTIES

<TABLE>
<CAPTION>
             ==============================================================================
                      PRODUCT                                                ROYALTY
             ------------------------------------------------------------------------------
                  <S>                                                           <C>
                   NE1000 (Single                                                $12.00
             ------------------------------------------------------------------------------
                  NE1000 (5-Pack)                                                $54.00
             ------------------------------------------------------------------------------                  
                  NE2000 (Single)                                                $19.00
             ------------------------------------------------------------------------------                  
                  NE2000 (5-Pack)                                                $85.50
             ------------------------------------------------------------------------------
                  NE2000T (Single)                                               $27.00
             ------------------------------------------------------------------------------                  
                  NE2000T (5-Pack)                                              $108.00
             ------------------------------------------------------------------------------                  
                  NE2100 (Single)                                                $19.00
             ------------------------------------------------------------------------------
                  NE1500T (Single)                                               $24.00
             ------------------------------------------------------------------------------                  
                  NE3200 (Single)                                               $200.00
             ==============================================================================
</TABLE>

         6.2        Minimum Royalty.  Microdyne agrees to pay to Novell a
                    non-refundable minimum royalty of Two Million Dollars
                    ($2,000,000).  One Million Dollars ($1,000,000) of such
                    shall be paid within ninety (90) days of execution of this
                    Agreement, and the remainder ($1,000,000) of such shall be
                    paid within one hundred eighty days.  To the extent that
                    actual earned royalties under this Agreement and all other
                    agreements currently existing between the parties exceed
                    such minimum royalty, Microdyne shall pay Novell for actual
                    earned royalties in accordance with the respective
                    agreements.  To the extent that such minimum royalty
                    exceeds the actual royalties paid under this and other
                    agreements existing between the parties, such excess shall
                    be known as prepaid royalties and shall be recoupable
                    against future earned royalties during the term of this
                    Agreement.

         6.3        Suggested Retail Prices and Discounts.  Novell and
                    Microdyne will jointly establish the suggested list prices
                    and discounts for the






- --------------------------------------------------------------------------------
                                    Page 9

<PAGE>   10
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    Products.  All changes in the list prices for the Products
                    will be subject to mutual agreement.

         6.4        Point of Sale Reports.  Subject to this Section 6.4,
                    Microdyne agrees to exercise its best efforts to bind its
                    distribution customers to provide point of sales
                    information for the Productions within ten (10) days of
                    each calendar month to Microdyne and supply the information
                    thereby obtained from its distributors to Novell within
                    fifteen (15) days of each calendar month.  In addition,
                    Microdyne agrees to provide Novell a written point of sales
                    report within forty-five (45) days at the end of each
                    Novell quarter.  The point of sales report will list the
                    version of Products licensed or sold (by part number)
                    directly by Microdyne to its customers and those resold by
                    Microdyne's direct customers, the quantities of Product
                    sold (by part number, and the zip code of the acquiring
                    entity, if within the United States, or by country, if the
                    acquiring entity is outside the United States).  With
                    respect to POS Reports from international distributors,
                    Microdyne solely agrees to exercise best efforts to obtain
                    the required information.  The quarterly POS Reports
                    described in this section shall not include the name of any
                    Microdyne customer.  A coy of the POS Report will be sent
                    to the following Novell designees:

                               Kim Peyers                           Greg Fallon

                    Novell may change the foregoing designees at any time upon
                    providing written notice to Microdyne.

         6.5        Time of Payment.  Except as set forth above in Section 6.2,
                    royalties shall accrue immediately upon the earlier to
                    occur of delivery of the Products to a customer or
                    Microdyne's invoicing the customer.  Such royalties shall
                    be paid to Novell no later than thirty (30) days after the
                    end of each calendar month.  Payments shall be sent to a
                    Novell employee designated by Novell, or such other
                    designee as, from time to time, substituted by Novell.

                    Payments not made within such thirty (30) day period shall
                    bear interest at the lower of two and one-half percent (2
                    1/2%) per annum over the prime interest rate of the Chase
                    Manhattan Bank of New York or the highest rate permitted
                    under applicable law.  Payments shall be in U.S. dollars
                    and shall not be reduced by any withholding




- --------------------------------------------------------------------------------
                                   Page 10

<PAGE>   11
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    taxes or other governmental charges.  All such withholding
                    taxes and charges shall be the responsibility of Microdyne.

         6.6        Charge Backs.  Microdyne shall have the right to charge
                    back Novell amounts previously paid or credited to Novell
                    for reasonable returns and bad debt allowances.

         6.7        Audit.  Microdyne agrees to keep and maintain true and
                    accurate records regarding information and data reasonably
                    necessary or required to compute and verify amounts payable
                    by Microdyne hereunder.  Microdyne further agrees to allow
                    Novell to examine its records relating to  Section 4 of
                    this Agreement to determine compliance or noncompliance
                    with this Agreement.  Any examination shall be at the
                    expense of Novell and shall be solely for the purposes of
                    ensuring compliance with the royalty provisions of the
                    Agreement.  Examinations shall occur during regular
                    business hours at Microdyne's offices and shall not
                    interfere unreasonably with Microdyne's business
                    activities.  Examinations shall be made no more frequently
                    than annually and Novell shall give Microdyne thirty (30)
                    or more days prior written notice of the date of each such
                    examination and the name of the auditor who will be
                    conducting the examination.  All information obtained by
                    the auditor shall be maintained confidential.  The
                    foregoing notwithstanding, the auditor shall give Microdyne
                    and Novell an examination report containing only the
                    information necessary to indicate compliance or
                    non-compliance with Section 4 of this Agreement and if
                    non-compliance, the amount of such non-compliance.

7        COVENANTS AND CONDITIONS

         7.1        Novell.

                    7.1.1      Deliverables.  In connection with this
                               Agreement, Novell, upon execution of this
                               Agreement, shall make available to Microdyne a
                               copy of the hardware specifications and
                               drawings, including assemblies, top assemblies,
                               bottom assemblies and subassemblies and bills of
                               materials as provided in Exhibit A, and approved
                               vendor lists, vendor part numbers and vendor
                               releases which Novell has and deems useful and
                               necessary in the manufacture and maintenance of
                               the Products.



- --------------------------------------------------------------------------------
                                   Page 11

<PAGE>   12
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    7.1.2      Training.  Novell will provide initial training
                               to Microdyne in accordance with Exhibit A.  Upon
                               request, Novell will provide additional training
                               to Microdyne per trainer day at the rate of
                               $1,500.00.

                    7.1.3      Support.  Engineering support from Novell will
                               be available on an "as-needed" basis, subject to
                               reasonable Novell engineering support
                               constraints.  Novell engineering support will be
                               made available to Microdyne on a time and
                               material basis, such to be charged at Novell's
                               standard rates.

                    7.1.4      Marketing.  Novell agrees to include the
                               Products in Novell's U.S. retain packaged
                               products corporate price list by a Novell or
                               Microdyne part number, as mutually agreed upon
                               by the parties.  Novell also agrees to include a
                               reference to a single Microdyne telephone number
                               where interested parties may place orders with
                               Microdyne.  Except as specifically stated in
                               this Section, Novell shall have no
                               responsibility for manufacturing, order entry,
                               order processing, marketing, fulfillment,
                               shipping or distribution with respect to the
                               Products offered by Microdyne.

         7.2        Microdyne.

                    7.2.1      Product Notices.  Microdyne agrees that its
                               packaging (containers) and any advertisements or
                               materials relating to the distribution of the
                               Products shall contain language, clearly and
                               conspicuously placed, identifying Microdyne as
                               the manufacturer of the Products.  In addition,
                               Microdyne shall not remove any copyright notices
                               contained in, or displayed by, the Software.

                    7.2.2      Manufacturing.  In manufacturing the Products,
                               Microdyne agrees to use parts that have been
                               obtained from Novell approved vendors.
                               Microdyne may request the approval by Novell of
                               additional vendors.  Novell agrees to reasonably
                               consider Microdyne's reasonable vendor approval
                               requests.

                    7.2.3      Support.  Microdyne shall be responsible for
                               providing all support for the Products sold by
                               Microdyne.  Such support shall include competent
                               technical advisory support for the





- --------------------------------------------------------------------------------
                                   Page 12

<PAGE>   13
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                               Products to all End Users.  In the event
                               Microdyne identifies a priority 1 bug in the
                               Software (one that causes the network connection
                               to become inoperable), Microdyne agrees to
                               promptly inform Novell of the condition and to
                               provide an update of the Software to Novell when
                               it is released from Microdyne's SSQA.

                    7.2.4      Business Conduct.  Microdyne agrees (i) to
                               conduct business in a manner which reflects
                               favorably at all times on the products, goodwill
                               and reputation of Novell; (ii) to avoid
                               deception, misleading or unethical practices
                               which are or might be detrimental to Novell or
                               its products; and (iii) to make no false or
                               misleading representations with regard to Novell
                               or its products.

                    7.2.5      Quality Assurance.  Microdyne agrees to maintain
                               a high quality standard in manufacturing the
                               Products, and, from time to time upon Novell's
                               request, agrees to provide a reasonable number
                               of samples of the Products for Novell to
                               inspect.

8        PRODUCT DEVELOPMENT.

         8.1        Hardware.  Novell, in the vent that it updates the hardware
                    design on the Products, agrees to provide Microdyne details
                    concerning such updates within thirty (30) days of the date
                    such updates within thirty (30) days of the date such
                    updates were made.  Microdyne agrees to implement such
                    updates within a reasonable period of time.  Microdyne
                    shall solely be responsible for providing such updates to
                    its installed base.

         8.2        Software.  Novell may update the Software to incorporate
                    bug fixes and adapt the Software to new systems.  Novell,
                    if an update is made, agrees to provide Microdyne details
                    concerning such update and to provide Microdyne with a copy
                    of such update within thirty (30) days of the date such
                    update is released by Novell.  Microdyne agrees to
                    implement such update within a reasonable period of time.
                    Microdyne shall solely be responsible for providing such
                    update to its installed base.





- --------------------------------------------------------------------------------
                                   Page 13

<PAGE>   14
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

9        INTELLECTUAL PROPERTY RIGHTS, INDEMNIFICATION

         9.1        Indemnification.  Novell shall indemnify, defend and hold
                    Microdyne harmless from any and all damages, liabilities,
                    costs and expenses incurred by Microdyne as a result of any
                    claims, judgments or adjudication against Microdyne that
                    the Products infringe any patent, or copyright or trade
                    secret, provide:  (i) Microdyne shall promptly notify
                    Novell in writing of such claim; (ii) Novell shall have the
                    sole control of the defense of any such action and all
                    negotiations for its settlement and compromise.

         9.2        Actual or Potential Infringement.  Should the Product, or
                    the operation thereof, become, or in Novell's opinion be
                    likely to become, the subject of infringement of a United
                    States patent or copyright, Microdyne shall permit Novell,
                    at its option and expense, either to procure for Microdyne
                    the right to continue using such Product, to replace or
                    modify the same so that it becomes non-infringing.

         9.3        Disclaimer.  THE ABOVE STATES THE ENTIRE LIABILITY OF
                    NOVELL WITH RESPECT TO INFRINGEMENT OF PATENTS, COPYRIGHTS,
                    TRADEMARKS OR ANY OTHER FORM OF INTELLECTUAL PROPERTY BY
                    ANY PRODUCTS SUPPLIED BY NOVELL.

         9.4        Ownership.  Except as otherwise as provided below, Novell
                    shall retain all title and ownership of all intellectual
                    property rights; all Software; all filmware; all master
                    diskettes; all manuals; all copies of Software, master
                    diskettes, manuals and related materials produced by
                    Microdyne' and all modification to and derivative works of
                    the Products and Software made by Microdyne, Novell or any
                    third party.  Novell does not transfer any portion of such
                    title and ownership, or any of the goodwill associated
                    therewith, to Microdyne; and this Agreement shall not be
                    construed to grant Microdyne any right or License, whether
                    by implication, estoppel or otherwise, except as expressly
                    provided herein.  The foregoing notwithstanding, Microdyne
                    shall retain ownership of derivative works of the Products
                    and Software to the extent that the derivative works are
                    based upon a controller chipset other than the chipsets
                    incorporated into the Products and subsequent revisions
                    thereof or the SNIC chipset.  In the event that Microdyne
                    develops a derivative work of which it retains ownership
                    under the preceding sentence, hereby grants Microdyne a
                    fully paid-up, royalty fee, non-exclusive world-wide
                    license to u se,





- --------------------------------------------------------------------------------
                                   Page 14

<PAGE>   15
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    enhance, modify, improve, manufacture, support, distribute
                    and/or maintain such derivative work of the Products.

         9.5        Confidentiality.  Each party receiving Confidential
                    Information hereunder agrees (i) that it will not disclose
                    such Confidential Information to any other person, firm or
                    corporation, except as provided in this Agreement and shall
                    use the same degree of care to avoid publication or use of
                    Confidential Information as it employees with respect to
                    its own Proprietary Information (ii) not to consider itself
                    to be a member of the general public for the purpose of
                    receiving the proposed disclosure of the Confidential
                    Information and to hold the disclosure of Confidential
                    Information in confidence, disclosing to its employees
                    Confidential Information in confidence, disclosing to its
                    employees Confidential Information only to the extent
                    necessary to fulfill the intent and terms of this
                    Agreement, (iii) not to use or exploit Confidential
                    Information for the benefit of itself or any third party,
                    and to make only such use of the confidential Information
                    as specifically authorized by this Agreement, (iv) that no
                    license under any patent, trade secret, or copyright, now
                    or hereafter obtained is granted, agreed to be granted, or
                    implied by either this Agreement or the disclosure of the
                    Confidential Information, (v) to the extent necessary, to
                    protect the disclosing party's right by having appropriate
                    written agreements with its employees whose services it may
                    require sufficient to enable it to comply with all the
                    terms of this Agreement, and (vi) not to copy or duplicate
                    any material containing Confidential Information except as
                    necessary to accomplish the purposes of this Agreement.
                    Upon termination of this Agreement, each party agrees to
                    return all materials containing Confidential Information
                    which have been provided pursuant to this Agreement upon
                    termination of this Agreement.

10       WARRANTIES.

         10.1       Errors and Specific Regulations.  NOVELL DOES NOT WARRANT
                    THAT PRODUCTS FURNISHED HEREUNDER WILL BE FREE FROM ERRORS
                    OR WILL MEET MICRODYNE'S SPECIFIC REQUIREMENTS.  In the
                    event that Microdyne, during the term of the Agreement, is
                    required to replace the Products because of design defect
                    in the Products as delivered by Novell, Novell agrees to
                    grant Microdyne a credit against future royalties for each
                    defective Product replaced.  Microdyne and its end users
                    assumes complete responsibility for





- --------------------------------------------------------------------------------
                                   Page 15

<PAGE>   16
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    decisions made or actions taken based on information
                    obtained using the Products.  Any statements made
                    concerning the utility of the Products are NOT to be
                    construed as expressed or implied warranties.

         10.2       Disclaimer.  NOVELL EXPRESSLY DISCLAIMS ALL WARRANTIES
                    EXCEPT THE LIMITED WARRANTY SET FORTH ABOVE INCLUDING, BUT
                    NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
                    AND FITNESS FOR A PARTICULAR PURPOSE.  NOVELL WILL NOT BE
                    LIABLE TO MICRODYNE OR ANY THIRD PARTY FOR ANY DAMAGES
                    INCLUDING, BUT NOT LIMITED TO, LOST PROFITS, LOST SAVINGS
                    OR OTHER SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
                    ARISING OUT OF THE USE OF OR INABILITY TO USE SUCH PRODUCT,
                    EVEN IF NOVELL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
                    DAMAGES.

         10.3       Limited Liability.  IN NO EVENT SHALL ANY LIABILITY OF
                    NOVELL EXCEED IN THE AGGREGATE THE SUM OF ROYALTIES PAID TO
                    NOVELL BY MICRODYNE.

11       DEFAULT/TERMINATION.

         11.1       Right to Terminate.  In addition to any other rights or
                    remedies that Novell may be entitled to under this
                    Agreement or at law or equity,may terminate this Agreement
                    upon default.

         11.2       Default.  The following are events of default:

                    11.2.1     Failure to Pay or Breach.  If Microdyne is in
                               default of any payment obligations hereunder and
                               such default continues for ten (10) days
                               following receipt of written notice from Novell,
                               or, if Microdyne is in default continues for
                               thirty (30) days following receipt of written
                               notice.

                    11.2.2     Change of Ownership.  If Microdyne is dissolved;
                               or attempts to assign this Agreement or any of
                               its rights hereunder in violation of Section
                               11.6.  The foregoing notwithstanding, a public
                               offering of Microdyne common stock through which
                               Microdyne becomes a publicly traded corporation
                               shall not constitute an event of default under
                               this subsection.





- --------------------------------------------------------------------------------
                                   Page 16

<PAGE>   17
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    11.2.3     Insolvency, Assignment, or Bankruptcy.  If
                               Microdyne becomes insolvent, files or has filed
                               against it a petition under any Bankruptcy Law
                               (which, if involuntary, is unresolved after
                               sixty days), proposes any dissolution,
                               liquidation, composition, financial
                               reorganization or recapitalization with
                               creditors, makes an assignment or trust mortgage
                               for the benefit of creditors, or if a receiver
                               trustee, custodian or similar agent is appointed
                               or takes possession with respect to any property
                               or business of Microdyne.

         11.3       Acceleration of Payment.  Upon termination of this
                    Agreement for cause, the due dates of all outstanding
                    invoices to Microdyne for Products and Software will
                    automatically be accelerated so that they become due and
                    payable on the effective date of termination, even if
                    longer terms had been provided previously.  All orders or
                    portions thereof remaining unshipped as of the effective
                    date of such termination shall automatically be cancelled.

         11.4       Termination of Convenience.  Neither party may terminate
                    this Agreement until 180 days after the Effective Date.
                    Thereafter, either party may terminate this Agreement
                    solely for convenience upon 180 days prior written notice.

         11.5       Effect of Termination on Obligations.  Termination of this
                    Agreement shall not affect any of Microdyne's
                    pre-termination obligations hereunder and any such
                    termination is without prejudice to the enforcement of any
                    undischarged obligations existing at the time of
                    termination.  The obligations and covenants of Sections 2,
                    3.3, 3.4, 4, 5, 6.21., 6.22., 6.23, 9.9, 10.6, 10.8 and 11,
                    to the extent applicable, shall continue beyond termination
                    of this Agreement.

         11.6       Irreparable Injury and Injunctive Relief.  Microdyne
                    acknowledges that the violation of any provision of this
                    Agreement concerning intellectual property, copyright
                    and/or trademark protection, and/or product distribution
                    constitutes irreparable injury, and therefore, grants to
                    Novell a right of temporary, preliminary and permanent
                    injunctive relief in order to prevent further injury.

         11.7       Return of Technology.  Upon termination of this Agreement
                    and receipt of a written request from Novell. Microdyne
                    shall return at its expense any and all documents referred
                    to in Sections 7.1.1 and 9.5






- --------------------------------------------------------------------------------
                                   Page 17

<PAGE>   18
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    and shall destroy any copies of such documents or any other
                    media containing any of Novell's trade secrets and know
                    how.

         11.8       Cessation of Licenses.  Upon termination of this Agreement,
                    Microdyne shall immediately cease to manufacture and sell
                    the Products and all rights granted hereunder to Microdyne
                    shall immediately and automatically revert to Novell.

12       GENERAL PROVISIONS.

         12.1       Force Majeure.  If either party shall be prevented from
                    performing any portion of the Agreement (except the payment
                    of money) by causes beyond its control, including labor
                    disputes, civil commotion, war, governmental regulations or
                    controls, casualty, inability to obtain materials or
                    services or acts of God, such defaulting party shall be
                    excused from performance for the period of the delay and
                    for a reasonable time thereafter.

         12.2       Jurisdiction.  This Agreement shall in all respects be
                    governed by and interpreted in accordance with the laws of
                    the State of Utah, without regard to the laws of Utah
                    governing conflicts of law.  IN addition, the parties
                    expressly agree that exclusive jurisdiction and venue of
                    any claims arising under this Agreement shall be vested in
                    the courts of competent jurisdiction of the State of Utah.

         12.3       Survival of Terms.  The provisions of the Agreement which
                    by their nature extend beyond the expiration or termination
                    of the Agreement will survive and remain in effect until
                    all obligations are satisfied.

         12.4       Waiver.  No waiver of any right or remedy on one occasion
                    by either party shall be deemed a waiver of such right or
                    remedy on any other occasion.

         12.5       Superior Agreement.  This Agreement sets forth the entire
                    agreement and understanding between the parties as to the
                    subject matter hereof and merges all prior discussions,
                    agreements and understandings as to the subject matter,
                    including any agreements the parties have executed
                    concerning the Products, and neither of the parties shall
                    be bound by an conditions, definitions, warranties,
                    understandings or representations with respect to such
                    subject matter other than as expressly provided herein, or
                    in any prior existing written agreement




- --------------------------------------------------------------------------------
                                    Page 18
<PAGE>   19
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                    between the parties, or as duly set forth on or subsequent
                    to the effective date hereof in writing and signed by a
                    proper and duly authorized representative of the party to
                    be bound thereby.  The foregoing notwithstanding, the
                    agreement executed between the parties relative to NE3200
                    network interface cards shall remain in effect pursuant to
                    its terms and conditions.  No provision appearing on any
                    form originated by either party shall be applicable unless
                    such provision is expressly accepted in writing by the
                    other party.

         12.6       Assignment.  The Agreement is not assignable by either
                    party, in whole or in part, without the other party's prior
                    written consent except to a successor in interest of all or
                    substantially all of the assets or business of a party
                    hereto.  Notwithstanding, neither party shall unreasonably
                    withhold consent to an assignment of the Agreement or any
                    part of the Agreement to a parent, subsidiary or affiliate.
                    Any attempted assignment without written consent shall be
                    null and void.

         12.7       Notice.  Unless otherwise agreed to by the parties, all
                    notices required under the Agreement (except those relating
                    to product pricing, changes and upgrades) shall be deemed
                    effective when received and made in writing by either (i)
                    registered mail, (ii) certified mail, return receipt
                    requested, or (iii) overnight mail, addressed and sent to
                    the address first above written and to the attention of the
                    party executing the Agreement or that person's successor,
                    or (iv) by telephone facsimile transfer appropriately
                    directed to the attention of the party executing the
                    Agreement or that person's successor.  Notices given
                    pursuant to this Section 12.7 shall not be effective on
                    either Party unless a copy of the notice is delivered to
                    the office of General Counsel of the Party being served.

         12.8       Severability.  If any provision of the Agreement is held
                    invalid, illegal, or unenforceable, the validity, legality
                    and enforceability of the remaining provisions shall not in
                    any way be affected or impaired thereby, and shall be
                    construed giving in accordance with the intent of the
                    severed provisions.

         12.9       Independent Contractors.  Microdyne acknowledges that both
                    parties to the Agreement are independent contractors and
                    that Microdyne will not, except in accordance with the
                    Agreement, represent itself as an agent or legal
                    representative of Novell.





- --------------------------------------------------------------------------------
                                   Page 19

<PAGE>   20
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

         12.10      Compliance with Laws.  Microdyne shall comply, at
                    Microdyne's own expense, with all statutes, regulations,
                    rules, ordinances, and orders of any governmental body,
                    department or agency which apply to or result from
                    Microdyne's obligations under the Agreement.  Microdyne
                    hereby agrees that it and its subsidiaries and affiliates
                    do not intend and will not knowingly, without prior written
                    consent, if required, of the office of Export
                    Administration of the U.S. Department of Commerce,
                    Washington, D.C.  20230, export or transmit directly or
                    indirectly any of the Products to Afghanistan, the Peoples
                    Republic of China, or to any group Q, S, W, Y or Z country
                    specified in of the Export Administration Regulations
                    issued by the U.S. Department of Commerce or to any country
                    to which such transmission is restricted by applicable
                    regulations or statute.

         IN WITNESS WHEREOF the parties have entered into this Agreement to
take effect on the date executed by Novell.

   
<TABLE>
<S>                                        <C>
MICRODYNE, INC.                            NOVELL, INC.


Signature /s/Ralph Mason                   Signature /s/ David Preston Owen          
         ----------------------                     ---------------------------------

Print Name Ralph Mason                     Print Name       David Preston Owen       
          ---------------------                      --------------------------------

Print Title Vice President of Sales        Print Title      Vice President Engineering
           ------------------------                   --------------------------------

Date     31 July, 1992                     Date 31 July, 1992                        
    ---------------------------------          --------------------------------------
</TABLE>
    









- --------------------------------------------------------------------------------
                                   Page 20

<PAGE>   21
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                                   EXHIBIT A


                                  DELIVERABLES


Technology for manufacturing the Products ...

including:

Schematics, Bill of Materials, Machine Readable Manuals, EPROM master, film,
gorber tape, master driver diskette with the latest version at the time of
contract.

Master Source copy of the drivers for:

                          NE1000
                          NE1500T
                          NE2000
                          NE2000T
                          NE2100
                          N32000 (Already Provided)


Notes:              1)    Microdyne will have to obtain the Ethernet
                          manufacturer's identification code from EEE.






- --------------------------------------------------------------------------------
                                   Page 21

<PAGE>   22
NOVELL CONFIDENTIAL                                           EXECUTION ORIGINAL
- --------------------------------------------------------------------------------

                                   EXHIBIT B

                                  NOVELL MARKS



Novell
Novell Logotype
Novell Tigers Teeth Logotype
NE1000
NE1500T
NE2100
NE3200
Netware






- --------------------------------------------------------------------------------
                                   Page 22


<PAGE>   1



                                                                    EXHIBIT 10.9


                                  NOVELL, INC.
                         COMPOSITE SIGNATURE AGREEMENT
                           FOR NOVELL AUTHORIZED OEMS




Name and Address of Authorized OEM:                    Agreement Number:

Microdyne                                              Customer Number:
207 South Peyton St.
Alexandria, VA  22314


Novell Branch Office: Novell Philadelphia, 1235 Westlakes Drive, Suite 200,
Berwyn, PA 19312




This Composite Signature Agreement is entered into by Novell, Inc. ("Novell")
and OEM, and will commence on the date accepted and executed by an authorized
Novell signatory.

This Composite Signature Agreement, when signed by Novell and OEM, will have
the same effect as each of the below identified documents would have if signed
by Novell and OEM.

<TABLE>
<S>                       <C>
Initials                  Title of Documents

/s/ DL                    Standard OEM Agreement
- --------                                        

                                                                    
- --------                  ------------------------------------------

                                                                    
- --------                  ------------------------------------------

                                                                    
- --------                  ------------------------------------------
</TABLE>


Each of the identified documents is incorporated by reference.  In the event of
a conflict or ambiguity between documents, the specific shall control the
general; the relative order of specificity of the documents is as follows:  (1)
special Addenda, (2) Standard Addenda, and (3) the Standard OEM Agreement.

OEM ACKNOWLEDGES THAT IT HAS READ EACH OF THE DOCUMENTS DESIGNATED BY THE
INITIALS OF ITS AUTHORIZED REPRESENTATIVE, UNDERSTANDS THEM, AND AGREES TO BE
BOUND BY THEIR TERMS AND CONDITIONS.

This Composite Signature Agreement, together with all referenced documents, is
the exclusive statement of the entire agreement between Novell and OEM and
supersedes all prior oral and written representations or agreements between the
parties as to the subject matter of the Composite Signature Agreement and
referenced documents.

Accepted by:

<TABLE>
<S>                                           <C>
Novell, Inc.                                  OEM
                                                   
By: /s/ J.A. Marengi                          By: /s/ D.L. Laposata         
- -------------------------------------------------------------------------------
                                                   
Title:                                        Title: Vice President Operations 
- -------------------------------------------------------------------------------
                                                   
Date: 6/14/95                                      
- ----------------------------------
</TABLE>
<PAGE>   2
                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------


                                  NOVELL, INC.
                             STANDARD OEM AGREEMENT

Novell and OEM agree to the terms and conditions of this Standard OEM Agreement
("Agreement").  The Agreement authorizes OEM to acquire Novell Products from
Novell and market them directly to End Users and through OEM Authorized
Resellers.

Novell maintains a Program Description for its Authorized OEM Program.  Novell
may, from time to time, issue an amended Program Description which changes,
adds to or deletes from the terms of the previous Program Description.  Upon
signing and initialing the Composite Signature Agreement, OEM agrees to the
terms and conditions of the current Program Descriptions, subject to OEM's
rights under Section 11.b of the Agreement.

1.    DEFINITIONS.  Each term defined in this Section is as follows unless the
      context in which the term is used expressly provides otherwise.  The term
      "Section" refers to an identified section of the Agreement.

      a.   Bundled Products/ Services means the combination of the Novell
           Products and OEM Products/Services that OEM will market and sell as
           a single product offering.

      b.   End User means an entity who is not an affiliate of OEM's enterprise
           and acquires the Novell Products for Internal Use.  "End User" does
           not include an entity which resells, sells, licenses, rents or
           leases Novell Products to other parties in the regular course of
           business.

      c.   Expiration Date means the date identified as the expiration date in
           Exhibit A.
 
      d.   Internal Use means use for purposes which do not directly produce
           revenue for the user.  "Internal Use" does not include timesharing.

      e.   Marks means Novell's trademarks, serve marks, logos, designations
           and insignias.

      f.   Novell means Novell, Inc.

      g.   Novell Products means the Novell products identified in Exhibit A
           that OEM is authorized to market and sell under the Agreement.

      h.   OEM means the customer identified as an Authorized OEM in the
           Composite Signature Agreement.

      i.   OEM Authorized Reseller means an entity that (i) acquires Novell
           Products for resale from OEM (ii) has successfully completed
           Novell's Reseller Authorization Course or an equivalent course
           approved by Novell and (iii) has at least one person employed, at
           all times, who is a Certified NetWare Engineer.

      j.   OEM Products/Serves means OEM's products and/or services identified
           in Exhibit B.

2.    TERM.  The term of the Agreement, unless terminated earlier as provided
      in the Agreement, will commence on the date it is executed by an
      authorized Novell signatory and will automatically expire on the
      Expiration Date.  The acceptance of any purchase order by Novell after
      the Expiration Date will be construed as extending the Agreement on a
      month-to-month basis, with the month-to-month Agreement subject to
      termination at any time by either party upon thirty (30) days' prior
      written notice.  Nothing contained in the Agreement should be interpreted
      as requiring either Novell or OEM to renew or extend the Agreement.

3.    APPOINTMENT.

      a.   Appointment.  Novell appoints OEM as a Novell Authorized Original
           Equipment Manufacturer.  This appointment is non-exclusive, with
           Novell reserving the right to appoint other OEMs without restriction
           as to number and location.  Novell grants OEM a non-exclusive,
           non-transferable, worldwide license to market Novell Products to (i)
           End Users acquiring Bundled Products/Services for Internal Use and
           (ii) OEM Authorized Resellers acquiring Bundled Products/Services
           solely for resale in the ordinary course of business.  OEM agrees to
           offer Novell Products for sale to End Users or OEM Authorized
           Resellers only as a part of a Bundled Product/Service offering and
           not as a separate product offering.





                                     Page 2
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                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------

      b.   OEM Business Plan.  OEM represents and warrants that it has provided
           Novell a business plan relating to the Agreement and that the
           business plan is materially accurate.  OEM agrees to provide
           business plan updates in accordance with the format, content and
           schedule reasonably requested by Novell.  OEM acknowledges that
           Novell has materially relied upon OEM's representations in the
           business plan in appointing OEM as a Novell Authorized OEM and that
           Novell may terminate the Agreement if OEM makes an untrue statement
           or omits to state a material fact in the business plan or any
           business plan update.

4.    PRODUCTS AND PRICES.

      a.   Eligible Products.  OEM may market the Novell Products specified in
           Exhibit A.  Novell reserves the right at any time to make changes to
           any Novell Products, including without limitation changes which are
           required (i) for security, or (ii) to facilitate performance in
           accordance with specifications.

      b.   Pricing and Discounts.  OEM may acquire Novell Products under the
           Agreement at the prices listed in Novell's general price list, less
           the discount set forth in Exhibit A (or, as applicable, at the per
           unit price set forth in Exhibit A).  Novell reserves the right at
           any time to (i) add Novell Products to or drop Novell Products from
           the general price list and Exhibit A, (ii) increase or decrease
           prices on the general price list and/or (iii) to increase or
           decrease discounts or per unit prices.  Price changes become
           effective upon thirty (30) days' prior written notice to OEM.
           Orders requesting delivery after the effective date of a price
           increase will be charged at the increased price.  OEM agrees to
           waive the notice requirement in the event Novell decreases prices or
           increases discounts.

      c.   Taxes.  Prices are exclusive of all applicable taxes.  OEM agrees to
           pay all taxes associated with the marketing, sublicensing and
           delivery of Novell Products ordered under the Agreement, including
           but not limited to sales, use, excise, added value and similar taxes
           and all customs, duties or governmental impositions, but excluding
           taxes on Novell's net income.  Any tax or duty Novell may be
           required to collect or pay upon the marketing or delivery of the
           Novell Products will be paid by OEM, and such sums shall be due and
           payable to Novell upon delivery.  If OEM claims a tax exemption, OEM
           must provide Novell with valid tax exemption certificates.

      d.   Product Upgrades.  OEM may upgrade any Novell Products acquired by
           OEM under the Agreement in accordance with Novell's general product
           upgrade policies.  This upgrade right will expire on the Expiration
           Date or on the date the Agreement is otherwise terminated as
           provided in Section 11.

      e.   Volume Forecast.  OEM agrees to achieve the total volume forecast
           set forth in Exhibit A during the term of the Agreement.  OEM also
           agrees that Novell may review the actual dollar volumes achieved by
           OEM on a quarterly basis and may terminate the Agreement, under
           Section 11.a, for failure to meet a quarterly volume forecast.

      f.   Price Protection.  In the event of a price decrease, all inventory
           acquired by OEM from Novell within sixty (60) days before the price
           decrease and not yet sold or under a contract for sale will be
           granted price protection.  The difference between the price existing
           immediately prior to the decrease, less any prior credits, and the
           new price will be credited to OEM's account.  Price protection will
           not be granted in the case of a temporary price decrease or a
           special promotion.

5.    MARKETING, END USER SATISFACTION AND SUPPORT.

      a.   Use of Authorized OEM Title.  OEM may refer to itself, in connection
           with exercising its rights under the Agreement, as a "Novell
           Authorized OEM," but solely in connection with marketing the Bundled
           Products/Services and only during the term of the Agreement.

      b.   Use of Novell Marks and Trade Names.  OEM is authorized to use the
           Novell Marks applicable to Novell Products acquired under the
           Agreement in connection with its marketing of Bundled
           Products/Services, but only in accordance with Novell's trademark
           usage policies and only during the term of the Agreement.  OEM is
           not authorized to use any Novell trade names





                                     Page 3
<PAGE>   4
                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------

           without the prior written consent of Novell.  Upon the Expiration
           Date or termination of the Agreement, OEM agrees to cease all
           display, advertising and use of any and all Novell trade names and
           Marks.  OEM agrees not to alter, erase or overprint any notice
           provided by Novell and not to attach any additional trademarks
           without the prior written consent of Novell or affix any Novell
           Marks of any non-Novell product.  OEM recognizes Novell's ownership
           and title to the trade names and Marks and the goodwill attaching to
           the trade names and Marks.  OEM agrees that any goodwill which
           accrues because of its use of the trade names and/or Marks will
           become Novell's property.  OEM agrees not to contest Novell's Marks
           or trade names, or make application for registration of any Novell
           Marks or trade names without Novell's prior written consent.  OEM
           agrees not to use, employ or attempt to register any trademarks or
           trade names which are confusingly similar to Novell's Marks or trade
           names.

      c.   End User Satisfaction.  The Novell Products marketing by OEM under
           the Agreement are technically complex and require high-quality,
           individualized pre-marketing and post-marketing support.  This
           support is necessary to achieve and maintain high End User
           satisfaction.  Oem agrees that high End User satisfaction is a
           condition of its continued authorization by Novell.  Although Novell
           has granted OEM a worldwide license to market and sell Novell
           Products under the terms of the Agreement, OEM agrees that it will
           not market and sell Novell Products in areas where it does not have
           the ability to support the Novell Products.  In addition, in order
           to help ensure high End User satisfaction, Customer agrees to:

           -   Report to Novell promptly and in writing all suspected and
               actual problems with any Novell Product;

           -   Maintain a shipment report identifying the End User or OEM
               Authorized Reseller, the Novell Product sold, the date of sale,
               and each Novell Product's serial number;

           -   Retain all shipment reports for three (3) years after the date
               of sale, and assist Novell, upon request, in tracing a product
               to an End User or OEM Authorized Reseller, in order to
               distribute critical product information, locate a Novell Product
               for safety reasons, or discover unauthorized marketing or
               infringing acts;

           -   Conduct business in a manner which reflects favorably at all
               times on the products, goodwill and reputation of Novell;

           -   Avoid deceptive, misleading or unethical practices which are or
               might be detrimental to Novell or the Novell Products;

           -   Refrain from making any false or misleading representations with
               regard to Novell or the Novell Products;

           -   Refrain from making any representations, warranties or
               guarantees to customers with respect to the specifications,
               features or capabilities of the Novell Products that are
               inconsistent with the literature distributed by Novell;

           -   Provide, or make commercially reasonable efforts to cause to be
               provided, all original diskettes and manuals accompanying each
               Novell Product to the End User.

      d.   OEM Authorized Resellers.  OEM will require each OEM Authorized
           Reseller to enter into a written agreement with its supplier (i.e.,
           OEM itself or any other OEM Authorized Reseller) before any Bundled
           Products/Services are provided to the OEM Authorized Reseller.  The
           agreement should include provisions consistent with the agreements
           OEM uses with respect to the licensing of its own hardware and
           software products.  The agreement must contain provisions consistent
           with this Agreement requiring the OEM Authorized Reseller to abide
           by Section 7.a, 7.e, or 7.f of the Agreement.  OEM agrees to use
           commercially reasonable efforts to enforce its agreements with OEM
           Authorized Resellers to ensure compliance with Section 7.a, 7.e or
           7.f of the Agreement and commercially reasonable efforts to enforce
           agreements with OEM Authorized Resellers and End Users with respect
           to the other material provisions of this Agreement.





                                     Page 4
<PAGE>   5
                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------

      e.   Testing and Certification.  To the extent required by Novell, OEM
           agrees not to market OEM Products with Novell Products, until the
           OEM Products have been tested and approved through Novell Labs.

      f.   Maintenance and Support.  OEM is responsible to provide support to
           End Users that acquire Novell Products through OEM or an OEM
           Authorized Reseller.  During the term of the Agreement, Novell will
           provide OEM support as outlined in the Program Description.  This
           support will be equivalent to the support provided by Novell to
           other similarly situated Novell Authorized OEMs.

6.    PLACING ORDERS & TERMS OF PAYMENT.

      a.   Financial Information and Payment Terms.  OEM agrees to maintain
           good financial standing with Novell.  At Novell's request, OEM
           agrees to provide to Novell financial information and evidence of
           financial security as reasonably required by Novell, Novell may
           extend to OEM a line of credit based upon OEM's financial
           information.  Novell reserves the right to set the credit limit at
           any level deemed prudent, and may increase or decrease the line of
           credit at any time based upon OEM's payable history, credit limit,
           and/or perceived risk.  OEM agrees to pay for Novell Products it
           orders in accordance with the credit and payment terms provided to
           OEM, as they may change from time to time, or any special terms and
           conditions stated on any invoice.  Any other amounts owing under the
           Agreement will be due and payable as indicated in any special terms
           and conditions stated on the applicable invoice.  Invoices not paid
           when due will accrue interest on an annual basis from the date due
           until paid of two percentage points (2%) over the prime interest
           rate of the Chase Manhattan Bank of New York on any outstanding
           balance or the maximum legal rate allowed by law, whichever is less.
           All Novell Products ordered by OEM in excess of the credit limit
           will be paid for in acceptable currency in advance of shipment, by a
           letter of credit drawn upon a bank acceptable to Novell, a bank
           cashier's check, or a bank wire transfer.

      b.   Acceptance of Orders.  All orders will be subject to acceptance in
           writing by Novell at its principal place(s) of business and will not
           be binding until the earlier of acceptance or shipment.  Orders
           requesting shipment more than ninety (90) days from the date of the
           order will not be subject to acceptance by Novell and will be null
           and void.  Should orders for Novell Products exceed Novell's
           available inventory, Novell may, unless OEM has specifically
           indicated otherwise in its purchase order, accommodate OEM's order
           by allocating available inventory and making shipments on a basis
           Novell deems equitable, without liability to Novell on account of
           the method of allocation chosen or its implementation.  Orders not
           filled or completely filled by Novell within ninety (90) days of the
           date of the orders will be deemed to have lapsed and will be removed
           from Novell's order entry system, to the extent not filled.

      c.   Cancellation of Orders.  Orders accepted by Novell may be canceled
           without penalty by giving written notice of cancellation to Novell
           at least fifteen (15) days prior to the schedule shipment date.
           Orders canceled less than fifteen (15) days prior to the scheduled
           shipment date may be subject to a cancellation payment of fifteen
           percent (15%) of the invoice value of the canceled order.  In no
           event may OEM cancel any order or any portion of an order after
           shipment.

      d.   Product Availability and Shipping Designations.  Novell will use
           commercially reasonable efforts to fill OEM's orders for Novell
           Products and meet OEM's request for shipment dates subject to
           product availability and consistent with Novell production and
           supply schedules, but Novell will not be liable for any damages to
           OEM or to any third party for Novell's failure to fill any orders or
           for any delay in delivery or error in filling any orders for any
           reason whatsoever.  OEM may designate up to three (3) "bill to"
           addresses and up to five (5) "ship to" addresses for shipments under
           the Agreement.  Novell will ship Novell Products and bill OEM to
           OEM's designated "ship to" and "bill to" locations.  OEM may change
           the "ship to" location at any time prior to the estimated shipment
           date; however, Novell may not be able to honor a notice unless it is
           in writing and received at least fifteen (15) days prior to the
           estimated shipment date.  The right to change "ship to" locations
           does not include any right to drop ship to customer sites.





                                     Page 5
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                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------

      e.   Obligation to Ship in Presence of Breach.  Even in cases where
           Novell accepts a purchase order, Novell will not be obligated to
           ship Novell Products if OEM is in arrears on payments owing to
           Novell or if OEM is otherwise in material breach of the Agreement at
           the time of the schedule shipment.

      f.   Delivery.  Delivery in the United States and Canada will be made
           C.&F., OEM's facility, Novell's carrier, ground only.  all other
           freight arrangements will be prepaid and billed to OEM.  For
           delivery outside the United States and Canada, Novell will select a
           carrier to transport Novell Products to the point identified in
           Section 6.g, will prepay insurance and freight, and will add the
           cost of insurance and freight to OEM's invoice.

      g.   Title & Risk of Loss.  In the cases of shipments to shipping
           destinations within the United States, title to Novell Products,
           exclusive of the rights retained under the Agreement in Marks,
           patents, copyrights, trade names, trade secrets and intellectual
           property, and all risk of loss will pass to OEM upon delivery at
           Novell's designated shipping facility to OEM or the common carrier
           selected by Novell.

           in the case of shipments to shipping designations outside the United
           States, OEM and Novell expressly agree that beneficial and legal
           title to, ownership of, right to possession of, control over, and
           risks of loss and damage to, the Novell Products will remain with
           Novell until the shipment physically arrives at the port of entry in
           the importing country (or at a bonded warehouse within the
           jurisdictional boundaries of Canada or Mexico if OEM requests
           shipment to those countries).  The time of payment, whether before
           or after shipment, the place or medium of payment, the method of
           shipment, the manner of consignment, whether to Novell, or its
           agent, to OEM or its agent, or any agent for both, or any document
           in relation to any sale under the Agreement, will in no way limit or
           modify the right of Novell as the legal and beneficial owner of the
           Novell Products, its right to control and its right to possession of
           such goods until they physically arrive at the prot of entry of the
           importing country (or at a bonded warehouse within the
           jurisdictional boundaries of Canada or Mexico if OEM requests
           shipment to those countries).  Any use of the terms "F.O.B.,"
           "F.A.S.," C.&F.," OR "C.I.F." in the Agreement will apply only to
           price and not to title.  It is expressly understood that the
           foregoing will not be construed to mean that Novell has merely
           retained bare legal title for security purposes, but rather retains
           legal title and full beneficial ownership until the shipment arrives
           at the port of entry in the country of destination (or at a bonded
           warehouse within the jurisdictional boundaries of Canada or Mexico
           if OEM requests shipment to those countries).  If OEM insures the
           shipment insurance policies will protect the interest of Novell as
           the legal owner of the merchandise until title transfers as set
           forth above.

      h.   Security Interest.  OEM grants Novell, as security for its
           obligations under the Agreement, a purchase money security interest
           in (i) the Novell Products to be acquired from Novell under the
           Agreement or any extension of the Agreement and (ii) the proceeds of
           the Novell Products.  Upon Novell's request, OEM agrees to execute
           and cause to be filed all instruments or documents (including
           without limitation financing statements) necessary to perfect any
           security interest and further agrees that, in any event, Novell may
           file a copy of the Agreement as a financial statement for this
           purpose.

      i.   Point of Sale Reports.  OEM agrees to provide Novell, by no later
           than the tenth (10th) day of each calendar month, a Point of Sale
           report for the previous calendar month.  "Point of Sale Report"
           means, for purposes of the Agreement, a report provided by OEM to
           Novell which is in a Novell-specified format and which includes,
           among other things, (i) a list of Novell Products sold, (ii) the
           regional designation required by Novell, and (iii) the part numbers
           of the Novell Products sold.  The Point of Sale Report may only be
           used by Novell to provide compensation to Novell's sales force and
           to concentrate marketing activities to promote greater sales.

      j.   Inventory Balancing.  Once, during each Novell fiscal quarter OEM
           may return for credit a quantity of excess inventory of Novell
           Products, the value of which will not exceed twelve and one-half
           percent (12.5%) of OEM's net dollar sales invoiced by Novell during
           the immediately preceding Novell fiscal quarter.  The credit





                                     Page 6
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                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------

           issued for the returned inventory will be based on the then current
           U.S. list price, minus the contracted discount.  This inventory
           balancing privilege will apply only if:  (i) at the time the Novell
           Products are returned, OEM orders Novell Products equal in value to
           the issued credit; (ii) OEM obtains a Novell Return Material
           Authorization (RMA) prior to returning the Novell Products; (ii) the
           Novell Products have been in OEM's inventory more than sixty (60)
           days; and (iv) OEM completes and submits a Novell Stock Rotation
           Form.  Novell reserves the right to make partial approvals of any
           Stock Rotation Form.

7.    INTELLECTUAL PROPERTY RIGHTS & INDEMNIFICATION.

      a.   Software.  Software acquired under the Agreement is made available
           to OEM to market only under the provisions of the Agreement.  When
           marketing software, OEM agrees to exercise commercially reasonable
           efforts to ensure that each End User receiving the software through
           OEM or an OEM Authorized Reseller understands, and agrees to be
           bound by, the applicable Novell software License Agreement.  For
           purposes of the Agreement, "software" includes firmware and software
           stored in ROMs.  OEM agrees to be bound by the applicable Software
           License Agreement with respect to all software put to Internal Use
           by OEM.

      b.   Indemnification.  Novell agrees to indemnify, defend and hold OEM
           harmless from any and all damages, liabilities, costs and expenses
           incurred by OEM as a result of any claim, judgment or adjudication
           against OEM which provides that the Novell Products, trade names or
           the Marks appropriately used by OEM in connection with marketing the
           Novell Products infringe any U.S. trademark, U.S. copyright or U.S.
           patent of any third party, provided:  (i) OEM promptly notifies
           Novell in writing of the claim; and (ii) OEM agrees that Novell will
           have the sole control of the defense of any action and all
           negotiations for settlement and compromise.

      c.   Actual or Potential Product Infringement.  Should the Novell
           Products, or the operation of the Novell Products, become, or in
           Novell's opinion be likely to become, the subject of infringement of
           any U.S. trademark, U.S. copyright or U.S. patent, OEM agrees to
           permit Novell, at its option and expense, either to procure for OEM
           the right to continue using the Novell Products, to replace or
           modify them so that they become non-infringing, or to grant OEM
           credit for the Novell Products as depreciated on a straight-line
           method, using a useful life of five (5) years, and accept their
           return.

      d.   Disclaimer.  THE ABOVE STATES THE ENTIRE LIABILITY OF NOVELL WITH
           RESPECT TO INFRINGEMENT OF PATENTS, COPYRIGHTS, TRADEMARKS OR ANY
           OTHER FORM OF INTELLECTUAL PROPERTY RIGHT BY ANY PRODUCT SUPPLIED BY
           NOVELL.

      e.   Proprietary Nature of Products and Ownership.  No title to or
           ownership of software acquired under the Agreement or proprietary
           technology in hardware acquired under the Agreement is transferred
           to OEM.  Notwithstanding any provision of the Agreement to the
           contrary, Novell, or the licensor through which Novell obtained the
           rights to distribute the Novell Products, owns and retains all title
           and ownership of all intellectual property rights in the Novell
           Products, including all software, firmware, software master
           diskettes, copies of software, master diskettes, documentation and
           related materials which are acquired, produced or shipped by Novell
           under the Agreement, and all modifications to and derivative works
           from software acquired under the Agreement made by OEM, Novell or
           any third party.  Novell does not transfer any portion of such title
           and ownership, or any of the associated goodwill, to OEM, and the
           Agreement should not be construed to grant OEM any right or license,
           whether by implication, estoppel or otherwise, except as expressly
           provided.  OEM agrees to be bound by and observe the proprietary
           nature of the Novell Products acquired under the Agreement.  OEM
           agrees to take appropriate action by instruction or agreement with
           its employees, agents, contractors and sublicensees who are
           permitted access to the Novell Products to fulfill OEM's obligations
           under the Agreement.  Except as set forth in the Agreement, or as
           may be permitted in writing by Novell, OEM agrees not to provide
           Novell Products or any part or copies thereof to any third party
           without the prior written consent of Novell.





                                     Page 7
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      f.   Product Tampering.  OEM agrees not to de-compile, reverse engineer,
           reverse compile, modify or perform any similar type of operation on
           any software, firmware or hardware acquired under the Agreement, in
           any fashion or for any purpose whatsoever, without the prior written
           consent of Novell.  OEM also agrees that any such works are
           derivative works and as such are the sole and exclusive property of
           Novell or its licensor.

      g.   Confidential Information.  The parties agree that any information
           provided under the Agreement will be held and maintained in strict
           confidence.  Each party agrees to protect the confidentiality of
           such information in a manner consistently with the way a reasonable
           person would protect similar Confidential Information.
           "Confidential Information" means the information and materials
           noticed or marked by Novell or OEM as confidential and proprietary.
           "Confidential Information" does not include information that (i) is
           already known to the receiving party at the time it is disclosed and
           has not been obtained wrongfully, (ii) becomes publicly known
           without fault of the receiving party, (iii) is independently
           developed by the receiving party, (iv) is approved for release in
           writing by the disclosing party, (v) is disclosed without
           restriction by the disclosing party to a third party, or (vi) is
           disclosed pursuant to legal obligations beyond the control of the
           disclosing and receiving parties.

8.    WARRANTIES.

      a.   Statements of Limited Warranty.  Novell provides, to End Users only,
           warranties for software in the Software License Agreement which
           accompanies each software product and warranties for Novell hardware
           in the Statement of Limited Warranty which accompanies each hardware
           product.  Each Novell Statement of Limited Warranty and each
           Software License Agreement distributed with the Novell Products is
           incorporated in the Agreement by reference.  Novell extends the
           warranties contained in the applicable Statement of Limited Warranty
           or Software License Agreement through OEM to End Users.  OEM is
           responsible to provide, or cause to be provided, a copy of the
           applicable Statement of Limited Warranty or Software License
           Agreement to End Users for their review at the time of installation.
           Each revised Statement of Limited Warranty or Software License
           Agreement will become effective on the date indicated in the
           Statement of Limited Warranty or Software License Agreement.  Novell
           does not warrant non-Novell products.  They are provided by Novell
           on an "AS IS" basis.  Any warranty service for non-Novell products
           will be provided by the manufacturer of the products in accordance
           with the applicable manufacturer's warranty.

      b.   Warranty Representations.  OEM is not authorized to make any
           warranty commitment on Novell's behalf, whether written or oral,
           other than those contained in the applicable Statement of Limited
           Warranty or Software License Agreement.  Novell may authorize OEM to
           market Novell Products for which warranty service is provided by (1)
           OEM, (2) Novell, (3) a Novell selected third party, (4) the
           manufacturer of a non-Novell product, or (5) some combination of
           these providers of warranty service.

      c.   Warranty Service Responsibilities.  OEM agrees to validate, or cause
           to be validated, all warranty claims presented to OEM, and maintain
           the capability to provide warranty services according to the
           requirements of the Program Description.

9.    LIMITATION OF WARRANTIES.  THE WARRANTIES DESCRIBED IN THE APPLICABLE
      NOVELL STATEMENT LIMITED WARRANTY OR SOFTWARE LICENSE AGREEMENT AND
      SECTION 8 ABOVE ARE IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
      INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
      AND FITNESS FOR A PARTICULAR PURPOSE.

10.   LIMITATION OF REMEDIES.  NOVELL'S ENTIRE LIABILITY AND OEM'S EXCLUSIVE
      REMEDY FOR ANY CLAIMS CONCERNING THE AGREEMENT AND NOVELL PRODUCTS
      ACQUIRED UNDER THE AGREEMENT ARE SET FORTH IN THIS SECTION.

      NOTWITHSTANDING ANYTHING TO THE CONTRARY IN THE AGREEMENT, NEITHER NOVELL
      NOR OEM WILL BE LIABLE TO THE OTHER PARTY FOR ANY INDIRECT, INCIDENTAL,
      OR CONSEQUENTIAL DAMAGES (INCLUDING LOST PROFITS) SUSTAINED OR INCURRED
      IN CONNECTION WITH THE AGREEMENT AND THE NOVELL PRODUCTS THAT ARE SUBJECT
      TO THE AGREEMENT REGARDLESS OF THE FORM OF





                                     Page 8
<PAGE>   9
                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------

      ACTION AND WHETHER OR NOT SUCH DAMAGES ARE FORESEEABLE.

      a.   Hardware.  In all situations involving performance or
           non-performance of hardware acquired under the Agreement, OEM's
           remedy is the adjustment or repair of the hardware or replacement of
           parts of the hardware by Novell.  If, after repeated efforts, Novell
           is unable to place the hardware in good working order, all as
           warranted, OEM will be entitled to recover direct damages to the
           limits set forth in this Section.  For any other claim concerning
           performance or non-performance by Novell in any way related to, or
           arising from the Agreement, or any purchase order under the
           Agreement, OEM will be entitled to recover actual damages to the
           limits set forth in this Section.

      b.   Software.  Novell's liability and OEM's exclusive remedy for
           software acquired under the Agreement are set forth in the
           applicable Software License Agreement.  The Software License
           Agreement which applies is the Software License Agreement in effect
           at the time when the event occurs which causes the damages.

      c.   Third Party Claims.  Novell will not be liable for any claim by OEM
           based on any third party claim, except as stated in Sections 7 and 8
           of the Agreement.

      d.   Aggregate Liability.  Novell's liability for direct damages to OEM
           for any cause whatsoever, except as otherwise stated in this
           Section, and regardless of the form of action, will be limited to
           the greater of (1) $100,000 or (2) the price, less discount, of the
           Novell Product that caused the damages or gave rise to the cause of
           action.  This limitation does not apply to the payment of the costs,
           damages and attorney's fees referred to in Section 7.b and 12.g, or
           to claims by OEM for personal injury or damage to real property or
           tangible personal property caused by Novell's negligence.

11.   TERMINATION.

      a.   Termination for Cause.  Either party may terminate the Agreement for
           the substantial breach by the other party of material term.  The
           terminating party will first give the other party written notice of
           the breach and a reasonable period of at least thirty (30) days in
           which to cure the alleged breach.  If a cure is not achieved during
           the cure period, then the non-breaching party may terminate the
           Agreement upon written notice.

      b.   Termination by OEM.  OEM may terminate the Agreement upon thirty
           (30) days' prior written notice to Novell if Novell amends the
           Program Description and the amendment is unacceptable to OEM.

      c.   Termination by Novell.  Novell may terminate the Agreement if OEM
           fails to meet its payment obligations under the Agreement and this
           failure continues for ten (10) days following receipt of written
           notice from Novell.

      d.   Insolvency, Assignment, or Bankruptcy.  Either party may terminate
           the Agreement upon written notice to the other party if the other
           party (i) is not paying its debts as such debts generally become
           due, (ii) becomes insolvent, (iii) files or has filed against it a
           petition (or other document) under any Bankruptcy Law or similar
           law, which is unresolved within sixty (60) days of the filing of
           such petition (or document), (iv) proposes any dissolution,
           liquidation, composition, financial reorganization or
           recapitalization with creditors, (v) makes a general assignment or
           trust mortgage for the benefit of creditors, or (vi) if a receiver,
           trustee, custodian or similar agent is appointed or takes possession
           of any of its property or business.

      e.   Acceleration of Payment.  Upon termination of the Agreement by
           Novell under Section 11.a, 11.c or 11.d, the due dates of all
           outstanding invoices to OEM for Novell Products will automatically
           be accelerated so that they become due and payable on the effective
           date of termination, even if longer terms had been provided
           previously.  All orders or portions of orders remain unshipped as of
           the effective date of such termination will automatically be
           canceled.

      f.   Termination for Convenience.  Either party may terminate the
           Agreement solely for convenience upon ninety (90) days' prior
           written notice.





                                     Page 9
<PAGE>   10
                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------

      g.   Effect of Termination on Obligations.  Termination of the Agreement
           will not affect any pre-termination obligations of either party
           under the Agreement, and any termination is without prejudice to the
           enforcement of any undischarged obligations existing at the time of
           termination.  Regardless of any other provision of the Agreement,
           Novell will not by reason of the termination of the Agreement be
           liable for compensation, reimbursement, or damages on account of the
           loss of prospective profits on anticipated sales, or on account of
           expenditures, investments, leases, or commitments in connection with
           OEM's business or goodwill, or otherwise.

12.   GENERAL PROVISIONS.

      a.   Force Majeure.  If either party is prevented from performing any
           portion of the Agreement (except the payment of money) by causes
           beyond its control, including labor disputes, civil commotion, war,
           governmental regulations or controls, casualty, inability to obtain
           materials or services or acts of God, such defaulting party will be
           excused from performance for the period of the delay and for a
           reasonable time thereafter.

      b.   Jurisdiction.  The Agreement will in all respects be governed by and
           construed in accordance with the laws of the State of Utah of the
           United States of America, and will not be construed in accordance
           with or governed by the Untied Nations Convention for International
           Sales of Goods.

      c.   Survival of Terms.  The provisions of the Agreement which by their
           nature extend beyond the Expiration Date or other termination of the
           Agreement will survive and remain in effect until all obligations
           are satisfied.

      d.   Waiver.  No waiver of any right or remedy on one occasion by either
           party will be deemed a waiver of that right or remedy on any other
           occasion.

      e.   Superior Agreement.  The Agreement will not be supplemented or
           modified by any course of dealing or usage of trade.  Variance from
           or addition to the terms and conditions of the Agreement in any
           purchase order or other written notification from OEM (including but
           not limited to any specification of a price different than Novell's
           current list price, less the appropriate discount) will be of no
           effect, unless otherwise expressly provided in the Agreement.

      f.   Assignment.  The Agreement is not assignable by OEM, in whole or in
           part, without Novell's prior written consent.  Notwithstanding,
           Novell will not unreasonably withhold consent to an assignment of
           the Agreement or any part of the Agreement to a parent, subsidiary
           or affiliate.  Any attempted assignment without Novell's written
           consent will be null and void.

      g.   Attorneys' Fees.  Each party agrees to pay the other's reasonable
           attorneys' fees and costs of litigation if the original party, for
           any cause whatsoever, brings suit against the other party and the
           other party is finally adjudicated not to have liability.

      h.   Notice.  Unless otherwise agreed to by the parties, all notices
           required under the Agreement (except those relating to product
           pricing, changes and upgrades) will be deemed effective when
           received and made in writing by either (i) registered mail, (ii)
           certified mail, return receipt requested, (iii) overnight mail,
           addressed and sent to the address indicated in the Composite
           Signature Agreement and to the attention of the party executing the
           Agreement or that person's successor, or (iv) by telephone facsimile
           transfer appropriately directed to the attention of the party
           executing the Agreement or that person's successor.

      i.   Severability.  If any term, provision, covenant or condition of the
           Agreement is held invalid or unenforceable for any reason, the
           remainder of the provisions will continue in full force and effect
           as if the Agreement had been executed with the invalid portion
           eliminated.  The parties further agree to substitute for the invalid
           provision a valid provision which most closely approximates the
           intent and economic effect of the invalid provision.

      j.   Independent Contractors.  Each party acknowledges that the parties
           to the Agreement are independent contractors and that it will not,
           except in accordance with the Agreement, represent itself as an
           agent or legal representative of the other.





                                    Page 10
<PAGE>   11
                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------

      k.   Compliance with Laws.  OEM represents and warrants that all consents
           of government officials necessary for the Agreement to become
           effective have been obtained, or will be obtained, before OEM places
           any orders under the Agreement, OEM will comply, at its own expense,
           with all statutes, regulations, rules, ordinances, and orders of any
           governmental body, department or agency which apply to or result
           from OEM's obligations under the Agreement.  OEM agrees to not
           export Novell Products, directly or indirectly, separately or as
           part of a system, without first obtaining proper authority to do so
           from the appropriate governmental agencies or entities, as may be
           required by law.  In particular, OEM assures Novell that, absent any
           required prior authorization from the Office of Export Licensing,
           U.S. Department of Commerce, 14th and Constitution Avenue,
           Washington, D.C. 20230, OEM will not export or reexport (as defined
           in Section 779 of the Export Administration Regulations, as amended
           ("Regulations")) the Novell Products, any technical data or other
           confidential information, or direct product of any of the foregoing,
           to Afghanistan, Haiti, Iraq, the People's Republic of China,
           Yugoslavia, or any Group Q, S, W, Y, or Z country specified in
           Supplement No. 1 to Section 770 of the Regulations.

      l.   Governmental Rights.  OEM agrees to (i) identify the Novell Products
           in all proposals and agreements with the United States Government or
           any contractor for the United States Government; and (ii) identify
           or mark the software products provided pursuant to any agreement
           with the United States Government or any contractor for the United
           States Government as necessary to obtain protection substantially
           equivalent to that afforded commercial computer software and related
           documentation developed at private expense and provided with
           Restricted Rights as defined in DOD FAR Supplement 48 C.F.R.
           252.227-7013(c)(1)(ii) in effect as of May 18, 1987 or any successor
           regulation.

      m.   Records Examinations.  OEM agrees to allow Novell to examine its
           records to determine compliance or noncompliance with the Agreement.
           Any examination will be at the expense of Novell and will be solely
           for the purpose of ensuring compliance with the Agreement.  Any
           examination will be conducted only by an authorized representative
           of Novell, and will occur during regular business hours at OEM's
           offices and will not interfere unreasonably with OEM's business
           activities.  Examinations will be made no more frequently than
           quarterly, and Novell will give OEM ten (10) days or more prior
           written notice of the date of the examination and the name of the
           Novell authorized representative who will be conducting the
           examination.  All information obtained by the Novell authorized
           representative conducting the audit will be maintained confidential
           by the representative.  The examiner will give OEM and Novell an
           examination report containing only the information necessary to
           indicate compliance or non-compliance with the Agreement.





                                    Page 11
<PAGE>   12
                        CONFIDENTIAL -- WORKING DRAFT
- --------------------------------------------------------------------------------

                                   EXHIBIT A
                             PRODUCTS AND DISCOUNTS


ANNUAL VOLUME COMMITMENT:                                            
                         -------------------------------------------------------

EXPIRATION DATE:    October 31, 1995                                            
                 ---------------------------------------------------------------

PRODUCT CATEGORIES

         A      NetWare Operating System Products (excluding NetWare for VMS &
                NetWare Lite), Development Products and Database Products.
         B      NetWare Documentation Kits and Computer Based Training
                Products.
         C      Communications Hardware Products.
         E      Communications Products and NetWare for SAA Products.
         F      TCP/IP Connectivity Products.
         G      LANalyzer for NetWare
         H      Factor Install Program Kit.
         K      Desktop System Group Products.

ELIGIBLE PRODUCTS (check appropriate boxes)


<TABLE>
         <S>                   <C>   <C>
         All products          /X/
         A                     / /   Excluding (if any)                                                                            
                                                       ----------------------------------------------------------
         B                     / /   Excluding (if any)                                                                            
                                                       ----------------------------------------------------------
         C                     / /   Excluding (if any)                                                                            
                                                       ----------------------------------------------------------
         E                     / /   Excluding (if any)                                                                            
                                                       ----------------------------------------------------------
         F                     / /   Excluding (if any)                                                                            
                                                       ----------------------------------------------------------
         G                     / /   Excluding (if any)                                                                            
                                                       ----------------------------------------------------------
         H                     / /   Excluding (if any)                                                                            
                                                       ----------------------------------------------------------
         K                     / /   Excluding (if any)                                                                            
                                                       ----------------------------------------------------------
</TABLE>

NON-MANUFACTURING DISCOUNT

A: 58%   B: 58%   C: 50%       E: 58%     F: 58%     G: 58%   H:__%    K: 58%

MANUFACTURING DISCOUNT


SALES FORECAST (IN THOUSANDS OF $US)

YEAR            
    ------------

JAN             FEB       MAR        APR           MAY              JUNE       
- -------------------------------------------------------------------------------

JUL             AUG       SEPT       OCT           NOV              DEC        
- -------------------------------------------------------------------------------





                                    Page 12

<PAGE>   1



                                                                   EXHIBIT 10.10


                      DEPOT REPAIR, PRODUCT REFURBISHMENT,
                     AND WARRANTY ADMINISTRATION AGREEMENT

                                    BETWEEN

             FEDERAL TECHNOLOGY CORPORATION AND EPSON AMERICA, INC.


An AGREEMENT entered into between Federal Technology Corporation a Virginia
corporation, located at 207 South Peyton Street, Alexandria, Virginia 22314
("FTC") and Epson America, Inc. located at 20770 Madrona Avenue, Torrance,
California 90509 ("Epson").

                                    RECITALS

         In the course of its North American distribution and sale of personal
computer systems and imaging products, Epson provides warranty repair services
and warranty administration for sub-assembly parts, as well as end-user
technical support, at a depot facility in Carson, California.  Epson determined
that it is in Epson's best interest to contract for such services, and FTC has
indicated a willingness to undertake such responsibility on an independent
contractor basis.  The changeover contemplated will involve the transfer of a
number of Epson employees.

         Now, therefore, in consideration of the premises, and of the mutual
covenants and conditions contained herein, the parties agree as follows:

1.       TERM.  The term of this Agreement shall be for five (5) years from the
         date executed by FTC ("Effective Date"); the first year as an initial
         term, followed by automatically renewable one (1) year terms unless a
         written notice of non-renewal is provided by either party to the other
         at least ninety (90) days prior to the next anniversary of the
         Effective Date.

2.       CHANGEOVER AND FTC'S PROVISION OF SERVICES.  FTC will provide depot
         repair, product refurbishment and warranty administration services
         (the "Services") for Epson at Epson's Carson, California facility in
         accordance with the terms of this Agreement and its Attachments.

         2.1.    Changeover.  The changeover from an Epson-operated function to
         one supplied by FTC shall take place by mutual agreement, but in any
         event no later than January 14, 1991 (the "Changeover Date").  Prior
         to the Changeover Date, Epson will review its depot operation and
         employees and inform the employees of the pending changeover.  Epson
         will inform FTC of the Epson employees Epson plans to terminate in
         connection with the changeover, and of the ones recommended to be
         reemployed by FTC.  Before the Changeover Date, but after FTC has
         received the foregoing information from Epson, FTC will make a
         presentation to all affected Epson depot employees regarding the terms
         and conditions of their prospective employment by FTC.  FTC will, in
         cooperation with Epson, exert its best efforts to ensure a smooth
         changeover on or as of the Changeover Date.

         2.2.    Responsibility for Employees.

                 (a)      Epson will remain fully responsible for all of its
         employees affected by this Agreement, for all employment-related
         claims, duties and obligations, up to the Changeover Date.
         Thereafter, Epson will be responsible for and indemnify FTC from and
         against any and all claims, charges, cost and expense attributable to
         said employees arising from the period of their
<PAGE>   2
         employment before the Changeover Date, and status as Epson employees.
         FTC has no liability for any Epson employees terminated by Epson.

                 (b)      To the extent reasonably possible, FTC will offer
         comparable employment to the Epson employees at the depot affected by
         this Agreement.  As of the Changeover Date, FTC will be fully
         responsible for all of its employees, including former Epson employees
         hired by FTC.  FTC hereby indemnifies Epson and holds it harmless,
         from and against any and all claims, loss, cost and expense
         attributable to FTC's employees during the period after the Changeover
         Date and their status as FTC employees.

         2.3.    Services.  FTC shall provide the services to Epson as an
         independent contractor in accordance with the terms and conditions of
         this Agreement (as more fully described in the Attachment A hereto).
         Epson retains full management control over its warranty service terms
         and programs, as well as Epson's customer and end-user relations.  For
         all practical purposes, FTC's provision of the services shall be
         invisible to Epson's customers and end-users.  FTC shall have full
         daily operational control over FTC's employees and the manner and
         means by which said employees fulfill FTC's obligations to Epson under
         this Agreement.  Epson shall retain end-result Quality Approval
         authority consistent with its obligations as a licensee of Seiko Epson
         Corporation.

         FTC, on a quarterly basis, or sooner, shall provide Epson a value
         engineering change proposal which shall identify methodologies that
         may result in increased Epson Customer Service and/or cost reductions.
         All proposals which are accepted and incorporated by Epson, and result
         in either increased customer service and/or cost reductions shall
         result in a negotiated distribution of savings between FTC and Epson.

         2.4.    Lease Responsibilities.  Epson is the lessee of the depot
         facility at Carson, California.  Epson will continue as lessee after
         the Changeover Date, providing the leased space and facilities to FTC
         reasonably necessary for the services at no charge to FTC during the
         term of this Agreement.  In addition to offering use of the leased
         premises, Epson will pay for all utilities associated with the
         facility and the Services (heat, ventilation, air-conditioning, water,
         and electricity).  FTC will reimburse EAI for all FTC telephone
         charges (excluding TTS phone charges).  FTC will, however, be
         responsible for its proportional share of personal property taxes
         assessed against FTC attributable to FTC assets used for the services,
         and will promptly reimburse EAI for same.

         Both parties shall have a mutual and affirmative obligation to
         maintain the integrity and security of the Carson depot facility.
         Both parties will take all reasonable steps to assure the security of
         the facility and its contents.

         2.5.    Insurance.  FTC will obtain and maintain in effect at all
         times such insurance as will protect FTC and Epson from any and all
         claims under (1) Worker's Compensation Acts, (2) Personal Liability
         (including theft coverage), (3) Property Damage and all other claims
         for damages, including personal injury and death which may arise from
         FTC's operations under this Agreement.  FTC will provide Epson with
         certificates of insurance confirming the foregoing with minimum policy
         limits of $1,000,000.





                                      -2-
<PAGE>   3
         In addition, the FTC employee(s) who will be responsible for issuing
         warranty reimbursement checks to Epson customers will be bonded and
         insured at commercially reasonable (and mutually agreeable) limits and
         coverages.

         2.6.    Operating Assets and Equipment.  As of the Changeover Date,
         FTC will succeed to the possession and use of Epson's existing assets
         and equipment, including all available hardware and firmware
         specifications, diagnostics, specifications, drawings (including
         assemblies and subassemblies), manufacturing procedures (including
         production planning), and quality control procedures, bills of
         materials, and vendor arrangements necessary for the repair,
         refurbishment, and retrofit of the products included within the scope
         of this Agreement (the "Epson Assets" more fully described in
         Attachment D hereto).  Epson warrants that as of the Changeover Date
         the Epson Assets will be in good working order, normal wear and tear
         excepted.

         FTC represents that it has had the opportunity to inspect the Epson
         Assets prior to the Changeover Date.  After the Changeover Date, FTC
         has full responsibility, at FTC's cost and expense, to obtain,
         maintain and replace operating assets and equipment reasonably
         sufficient to provide the Services.  FTC is also responsible for the
         care and maintenance of the Epson Assets, including risk of loss or
         damage thereto.

         2.7.    Parts, Inventory and Ordering.  Epson will provide all parts
         necessary for the services at no cost to FTC.  FTC will order parts
         from Epson on an as-needed basis in conformance with Epson's existing
         parts and accounting procedures.  Epson will use its best efforts to
         deliver stock items to FTC in two working days, and non-stock items in
         ten working days.  All expenses of parts shipment and delivery to FTC
         shall be born by Epson.

         2.8.    Records and Audit Rights.

                 (a)      FTC agrees to keep and maintain commercially
         reasonable records of the costs and charges associated with FTC's
         provision of the Services.  Epson retains the right to have a
         representative of Coopers & Lybrand, Epson's certified public
         accounting firm, inspect and audit FTC's books and records pertaining
         to the Services upon notice to FTC, at Epson's expense.

                 (b)      FTC agrees to furnish to Epson a statement within
         fifteen (15) days following the end of each month identifying the
         items repaired/refurbished during the proceeding month. The report
         shall include product type, and quantity, as well as ready-for-issue
         and not-ready-for-issue status of component inventory provided by
         Epson.  FTC shall keep and maintain true and accurate records
         regarding all information and data reasonably necessary or required
         for the computation and verification of all amounts payable to FTC
         hereunder.

3.       USE OF EPSON TRADEMARKS AND LOGOS. During the term of this Agreement,
         FTC is authorized to use the Epson trademarks, proprietary logos, and
         designations applicable to the Products as may be necessary for FTC to
         provide the Services, in conformity with Epson's written guidelines
         for trademark usage.  Upon expiration or termination of this
         Agreement, FTC shall cease all references and use of any and all Epson
         names, trademarks, logos and designations.  FTC shall not use Epson
         trademarks, logos, or designations in any advertising materials, nor
         publicize the Agreement without prior written authorization from
         Epson.





                                      -3-
<PAGE>   4
4.       PROPRIETARY NATURE OF PRODUCTS.

                 (a)      Epson Rights.  No title to or ownership of Epson's
         products, including software or any of the parts, is transferred to
         FTC by this Agreement or the provision of the services by FTC.  Title
         to all applicable rights and patents, copyrights and trade secrets in
         Epson's products shall remain with Epson, and FTC agrees to respect
         and observe the proprietary nature thereof.  FTC agrees to take
         appropriate action by instructions or agreement with its employees,
         agents, and contractors who are permitted access to the Epson products
         or other proprietary information to fulfill its obligations hereunder.
         Notwithstanding any provision of this Agreement, Epson owns and
         retains all title and ownership of all intellectual property rights;
         all software; all firmware; all master diskettes; and related
         materials provided by Epson to FTC hereunder.

                 (b)      Reverse Engineering, Etc.  FTC agrees not to
         decompile, reverse engineer, reverse compile, modify, or perform any
         similar type of operation on products, parts, software or furniture
         furnished by Epson without the express prior written consent of Epson.

5.       TECHNICAL SUPPORT.  Epson shall make technical support available to
         FTC during the term of this Agreement without cost to FTC, to answer
         questions and provide support for FTC in connection with the services.

6.       INTELLECTUAL PROPERTY RIGHTS, INDEMNIFICATION.

                 (a)      By Epson.  Epson shall indemnify, defend,and hold FTC
         harmless from any and all damages, liabilities, costs, and expenses
         incurred by FTC as a result of any claims, judgments, or adjudication
         against FTC that Epson products infringe any U.S. patent or copyright
         of any third party, provided: (i) FTC shall promptly notify Epson in
         writing of such claim; and (ii) Epson shall have the sole control of
         the defense of any such action and all negotiations for its settlement
         and compromise.

                 (b)      By FTC.  FTC shall indemnify, defend, and hold Epson
         harmless from any and all damages, liabilities, costs, and expenses
         incurred by Epson as a result of any claims, judgments, or
         adjudication against Epson that Epson products modified by FTC
         infringe any U.S. patent or copyright of any third party, provided:
         (i) Epson shall promptly notify FTC in writing of such claim; and (ii)
         FTC shall have the sole control of the defense of any such action and
         all negotiations for its settlement and compromise.

7.       CONFIDENTIALITY.  Both parties acknowledge that confidential
         information provided hereunder, including the transfer of technology
         and software, constitute a trade secret and, as such, shall be held
         and maintained in confidence, as set forth in the Confidentiality and
         Non-Disclosure Agreement, Attachment C hereto.

8.       WARRANTIES AND DISCLAIMERS.

                 (a)      Warranty.  FTC warrants that the depot repairs,
         product refurbishment, product retrofits and Services will be
         performed in accordance with the repair and refurbishment criteria for
         the applicable service provided by Epson, and industry standards.  In
         the event any such repair, refurbishment, or retrofit does not perform
         in accordance with the applicable specifications





                                      -4-
<PAGE>   5
         in Attachment A for a period of ninety (90) days after shipment
         thereof by Epson to a customer, FTC will remedy such failure by repair
         at no additional cost to Epson.

                 (b)      DISCLAIMER.  FTC EXPRESSLY DISCLAIMS ALL WARRANTIES
         EXCEPT THE LIMITED WARRANTY SET FORTH ABOVE.  FTC WILL NOT BE LIABLE
         TO EPSON OR ANY THIRD PARTY FOR ANY SPECIAL, INCIDENTAL, OR
         CONSEQUENTIAL DAMAGES ARISING OUT OF THE SERVICES PERFORMED OR NOT
         PERFORMED OR THE USE OF OR INABILITY TO USE SUCH PRODUCTS EVEN IF FTC
         HAD BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

9.       Payment.  Epson agrees to pay for the Services at those rates set
         forth in Attachment B hereto.  FTC shall invoice Epson monthly in
         arrears for applicable Services performed and other related charges,
         accompanied by the report described in section 2.8(b) above.  Said
         invoices shall be paid in full within thirty (30) days after receipt.
         Any invoices which are unpaid after this thirty (30) day period will
         be amended to include interest charges of 1.5% (percent) a month on
         the invoice amount from the thirty-first (31st) day following invoice
         date to date of payment to FTC, or the highest amount allowed by law,
         whichever is applicable.  Further, FTC reserves the right to suspend
         all services provided under this Agreement or require payment in
         advance in the event any two consecutive invoices are not paid in full
         within forty-five (45) days after the second invoice date.  The
         charges for all services annually, identified herein, shall be
         reviewed and negotiated, for the next twelve (12) month period,
         commencing ninety (90) days prior to the next anniversary and renewal
         date of this Agreement.

10.      TAXES.  Epson shall be responsible for the payment of all sales, use
         and personal property taxes assessed on products provided or sold in
         connection with this Agreement, excluding taxes based upon the net
         income of FTC.  FTC shall be responsible for any and all taxes
         attributable to the provision of Services by FTC as any independent
         contractor.

11.      TERMINATION AND DEFAULT.

                 (a)      Without Cause.  Either party may terminate this
         Agreement at any time upon 90 days written notice of termination to
         the other.  Upon the effective date of such termination, Epson will
         resume possession and control over the Epson Assets, and is free to
         hire or rehire any and all of FTC's employees used in the provision of
         the Services.

                 (b)      For Cause.  Either party may terminate this Agreement
         upon written notice to the other party in the event that such other
         party fails to cure a material breach within ninety (90) days after
         notice of breach from the nonbreaching party.  This Agreement shall
         automatically be canceled if either party becomes insolvent or makes
         an assignment for the benefit of creditors or if any insolvency
         proceeding is initiated by or against it.  All unpaid charges accrued
         under this Agreement shall become immediately due and payable upon the
         happening of such event of termination.  The aforesaid rights shall be
         in addition to all other rights and remedies provided at law, in
         equity, or hereunder.  In the event of termination for any of the
         foregoing reasons, Epson will resume possession and control over the
         Epson Assets, and is free to hire or rehire any and all of FTC's
         employee's used in the provision of the Services.

                 (c)      In the event that Epson resumes possession and
         control of the Epson Assets, FTC agrees to sell and assign a complete
         copy of FTC's automated claims review system and depot





                                      -5-
<PAGE>   6
         tracking systems to Epson.  FTC further agrees to assist Epson in
         obtaining any necessary consents from third parties with rights in
         said software.

12.      FORCE MAJEURE.  If either party shall be prevented from performing any
         portion of this Agreement (except the payment of money) by causes
         beyond its reasonable control, including, without limitation, labor
         disputes, civil commotion, war, governmental regulations or controls,
         casualty, inability to obtain materials or services, or acts of God,
         such party shall be excused from performance for the period of the
         delay.

13.      NOTICE.  Unless otherwise agreed to by the parties, all notices
         required hereunder shall be made in writing by certified mail, return
         receipt requested, to the addresses first above written and to the
         attention of the parties executing this Agreement or their
         successor(s) in office.

14.      WAIVER.  No waiver of any right or remedy on one occasion shall be
         deemed a waiver of such right or remedy on any other occasion or of
         any other right or remedy.

15.      SEVERABILITY.  If any provision(s) of this Agreement is held to be
         illegal, unenforceable, or invalid by a court of competent
         jurisdiction, the validity, legality, and enforceability of the
         remaining provisions shall not in any way be affected or impaired
         thereby, so long as the verifiable intent of the parties is not
         materially affected thereby.

16.      INDEPENDENT CONTRACTORS.  Both parties hereto are independent
         contractors and neither party shall represent itself as an agent or
         legal representative of the other.  As an independent contractor, FTC
         reserves the right to preserve the organizational integrity of FTC
         with regard to maintaining.positive management control of the total
         depot repair operation.

17.      COMPLIANCE WITh LAWS.  Each party shall comply, at its own expense,
         with all statutes, regulations, rules, ordinances, and orders of any
         governmental body, department, or agency thereof, which apply to or
         result from its obligations hereunder.

18.      ATTACHMENTS.  The attachments referred to in the body of this
         Agreement are an integral part of this Agreement and reference to this
         Agreement shall be deemed to include all the attachments.

19.      HEADINGS.  The headings of this Agreement are included solely for
         convenience of reference and shall not control the meaning or
         interpretation of any provision of the Agreement.

20.      ENTIRE AGREEMENT/GOVERNING LAW.  This document constitutes the entire
         Agreement between the parties regarding the subject matter hereof.  No
         agent, employee, or representative of FTC has any authority to bind
         FTC to any affirmation, representation, or warranty concerning the
         products or services furnished under this Agreement, unless the same
         is expressly included within this written Agreement.  This Agreement
         may be modified only by a written instrument signed by both parties
         hereto or by their duly authorized agents. The terms and conditions
         herein shall govern with respect to the subject matter hereto and
         shall override all terms and conditions contained on any purchase
         order or acknowledgement form, previous letters, etc.,issued by the
         parties hereto.  This Agreement shall be governed by the laws of the
         State of California.  The individuals signing this Agreement on behalf
         of each party represents and warrants that he/she has the power and
         authority to sign.





                                      -6-
<PAGE>   7

<TABLE>                                
<S>                                              <C>
FEDERAL TECHNOLOGY CORPORATION                   EPSON AMERICA, INC.
                                       
By:  /s/ R. Dale D'Allesio                       By:  /s/ John Lang           
     ----------------------------------               -------------------------------
         Authorized Signature                             Authorized Signature
                                       
         R. Dale D'Alessio                       John Lang
         Vice President                          Executive Vice President
         General Counsel                         Finance & Corp. Support
                                       
                                       
         December 13, 1990                       December  13, 1990
</TABLE>





                                      -7-
<PAGE>   8
                                  ATTACHMENT A

                               STATEMENT OF WORK

SERVICES

A.       WARRANTY ADMINISTRATION.  During the term of the Agreement, FTC will
         provide administrative services involving warranty and Epson Extra
         Care (service contract) claims from authorized servicers and the
         processing of billable repair/exchange orders.  These services
         include:

         1.      Warranty claims and billable exchange part order receipt,
                 review, and processing.

         2.      Preparation and submission of applicable parts orders.

         3.      generation and distribution of Epson warranty payment checks
                 to authorized service providers as scheduled by Epson.

         4.      Maintain warranty payment register.

         5.      Record and maintain FTC billable services for submission to
                 Epson.

         6.      Sort received warranty and billable exchange parts.

         7.      Above services to be performed according to mutually
                 agreed-upon standards and average processing time of three (3)
                 days or less to be attained within ninety (90) days of start
                 of performance.

         8.      Warranty service provided by FTC shall meet or exceed a 98%
                 rate of correct processing on a six month rolling average, as
                 determined by monthly audit carried out by Epson.  This
                 requirement shall begin 90 days after the execution date of
                 this Agreement.


B.       CLAIMS REVIEW SYSTEM.  FTC will develop and implement an automated
         claims review system that would meet the following requirements:

         1.      System will interface with both Epson's Cambar and FTC's depot
                 tracking systems.

         2.      Inquiry capability will be available internal to the Carson
                 facility and other sites as agreed upon.

         3.      System will track on a real-time basis, the current status of
                 claims in process at the Carson facility. Also available will
                 be:

                 -        Warranty activity and exceptions (summary and by
                          account).

                 -        Quarterly services Warranty Activity Reports (summary
                          and by account).





                                      -8-
<PAGE>   9
                 -        Component/parts failure analysis compiled in
                          conjunction with depot tracking system information.

                 -        The system is intended to provide increased
                          productivity.  This increase in productivity is to be
                          included in annual review of performance and pricing
                          standards.

C.       REPAIR DEPOT SERVICES.  FTC will perform all depot repair and
         associated administrative functions for all Epson business products,
         consumer products and OEM products, to include whole units and
         subassemblies, under the following provisions and conditions:

         PCB/Sub-Assembly Repair:

         1.      Average monthly quality for ill repairs will ramp up over a
                 six-month period to less than a 1% failure rate out-of-box and
                 will be maintained thereafter.

         2.      Epson will provide to FTC at no cost all parts required for
                 repairs, both generic and proprietary, and packing materials.

         3.      FTC may identify for scrap up to a maximum of 7% of
                 PCBs/subassemblies received for repair during any given month.
                 There will be no penalty for scrapping, however, repair
                 charges may only be assessed for completed repair work.

         4.      The quoted flat rate charges, as shown in Attachment B, are
                 based on Epson replacement costs.  The quoted repair prices
                 include all labor costs associated with test, repair, quality
                 assurance test and packaging.

         5.      Sorting of PCB/Sub-Assemblies is performed under Warranty
                 administration services.

         6.      Turnaround time not to exceed thirty (30) days during first
                 ninety (90) days of contract performance with a revised
                 turnaround time to be mutually agreed upon and subject to
                 Epson's provisioning of material in a timely fashion.

         Hard Disk Drives:

         1.      FTC will provide test/reformat and repair services for hard
                 disk drive units at the prices shown in Attachment B.  Quoted
                 prices are inclusive of shipping costs.


         Whole Unit and Accessory Repair:

         1.      FTC will repair to the subassembly/pluggable chip level for
                 electronics and to the component part for mechanics as done by
                 Epson authorized dealers, with reimbursement at the current
                 Level I/EEC labor rate.

         2.      Defective subassemblies that are removed will be processed
                 through subassembly repair at the appropriate charge, as
                 listed attachment B.





                                      -9-
<PAGE>   10
         3.      From time to time Epson may request whole unit repair, on a
                 product-by-product basis, with a specially negotiated rate.

         Screen for Yield

         1.      FTC will screen and adjust to original specifications OEM
                 products (typically flexible diskette drives).

         2.      Items found to require additional repair beyond screen and
                 adjustment will be repaired at the prices listed in Attachment
                 B, less the flat rate screening charge.

         3.      FTC will screen other products designated by Epson for a 
                 negotiated flat rate.


D.       FLAT RATE CHARGE.  For any technical or administrative services
         performed by FTC which are outside those services already specified
         herein, hourly charges will be submitted to Epson in accordance with
         the rates shown in attachment B.

E.       END USER TELEPHONE TECHNICAL SUPPORT (TTS).  During the term of this
         agreement, FTC will provide complete telephone technical support on
         configuration, installation and operation of Epson products to end
         users of Epson products under the following conditions:

         1.      Epson will provide at no charge to FTC the required telephone
                 equipment and TTS phone service at the Carson Facility.

         2.      TTS support will be provided by FTC at mutually agreed upon
         times, but no less than 7:00 a.m. and 4:00 p.m. Pacific Time on
         scheduled working days at Epson.

         3.      FTC will provide Call Tracking and TTS Management Reports at
         mutually agreed-upon times; the call tracking software and hardware to
         be provided by Epson.

         4.      TTS performance standards, response times, and quality of
                 technical support will be in accordance with mutually
                 agreed-upon criteria, including the attainment within 90 days
                 of 15-second average caller queue wait time delay prior to
                 response by a TTS representative.

         5.      Epson will provide technical assistance as requested by FTC to
                 enable resolution of more difficult questions.

         6.      Epson will provide, at no charge to FTC, on-going training and
                 documentation for new Epson products as they are released.





                                      -10-
<PAGE>   11
                                  ATTACHMENT B

                               SCHEDULE OF PRICES



GENERAL

         Under the terms of this agreement, the services to be provided by
         Federal Technology Corporation, as outlined in both the basic
         agreement and Attachment A, will be performed according to the
         following Price schedule:

A.       Warranty Administration.  Federal Technology Corporation will provide
         the previously detailed warranty administration services outlined in
         Attachment A of this agreement at a flat rate per warranty claim
         action as indicated.  Postage, envelopes, shipping materials and other
         direct cost items will be furnished by Epson.

         Each warranty claim processed                      $2.85 per claim

         For any given calendar month where FTC's claim processing rate is less
         than 96% successful, a two percent penalty of the monthly warranty
         administration revenue (amount billed for the defaulting month) will
         be paid Epson by FTC.

B.       Claims Review System.  As noted, Federal Technology corporation will
         implement the above system, however, until more detailed information
         concerning the required interfaces, on-line inquiry, response times,
         etc., is made available, it is FTC's intention to implement this
         system at no cost to Epson.  However, any cost billed to Epson must be
         agreed to in advance.

C.       Repair Depot Services.  Federal Technology Corporation will provide
         all depot repair services and appropriate administrative functions as
         detailed in this agreement in accordance with the below price
         schedule:

<TABLE>
<CAPTION>
         PCB/Subassembly Repair
         ----------------------

         Epson Replacement Cost                                 FTC Repair Price
         ----------------------                                 ----------------
         <S>                                                        <C>
         Less than $70.00                                           $ 25.50
         $70.00 - $124.99                                           $ 29.00
         $125.00 - 249.99                                           $ 32.50
         $250.00 and greater                                        $ 41.00
</TABLE>





                                      -11-
<PAGE>   12
<TABLE>
<CAPTION>
         Hard Disk Drive
         ---------------

         Drive Description                 Test/Reformat Price               Repair
         -----------------                 -------------------               ------
                                                                             Price
                                                                             -----
         <S>                               <C>                               <C>
         Standard 20MB                     $       8.00                      $   98.50
         AT-interface 20MB                 $       8.00                      $  186.00
         Standard 40MB                     $       10.00                     $  277.00
         AT-interface 40MB                 $       10.00                     $  266.00
         Standard 90MB                     $       12.00                     $  410.00
         AT-interface 100MB                $       12.00                     $  425.00
</TABLE>


         Whole Unit and Accessory Repair

         1.      Federal Technology will repair to the subassembly/pluggable
                 chip level for electronics and to the component part for
                 merchandise as performed by Epson authorized dealers at the
                 Level I/EEC Labor Rate.

         2.      Defective subassemblies will be repaired at the above listed
                 subassembly rates.

         3.      Screen For Yield

         Screen for yield is at a flat rate charge of $7.50 each OEM product as
         per Attachment A.C. "Screen for Yield."


After the first six calendar months following the Execution Date of this
Agreement, FTC agrees to meet or exceed a 99% successful repair standard, and
agrees to pay a matching penalty of the monthly amount billed for depot repair
services for every percentage point (or part thereof) below the 99% standard in
the defaulting month

For new Epson products and technologies, the parties agree that new repair
prices will be negotiated if necessary at commercially reasonable rates.

D.       Flat Rate Charge.

         Any technical administrative services performed by Federal Technology
         Corporation at the specific request of Epson, but not within the scope
         of this agreement will be performed at the below rates:
<TABLE>
         <S>                                                <C>
         -       senior Level Computer Technician           $       50.00/hr.

         -       Computer Technician                                $        35.00/hr.

         -       Administrative Support                             $        20.00/hr.
</TABLE>





                                      -12-
<PAGE>   13
E.       END-USER TELEPHONE TECHNICAL SUPPORT

         Federal Technology will provide the previously detailed end-user
         telephone technical support services at a flat rate charge for each
         call minute of support provided, as follows:

                 Each call minute per month        $1.40

         There will be no charge for incidental outgoing calls required to
         complete responses to incoming TTS calls.





                                      -13-
<PAGE>   14
                                  ATTACHMENT C

                  CONFIDENTIALITY AND NON-DISCLOSURE AGREEMENT

This Agreement is made as of the 13th day of December, 1989, by and between
Epson America incorporated, a California corporation with its principal place
of business at 20770 Madrona Avenue, Torrance, California 90505 ("Epson") and
Federal Technology corporation, a Virginia corporation with its principal place
of business at 207 South Peyton Street, Alexandria, Virginia 22314 ("FTC").

Whereas Epson will disclose to FTC certain information relating to its
products, parts, customers and business practices for the purpose of enabling
FTC to perform various maintenance, repair and distribution services pertinent
to certain Epson products and sub-assemblies sold by Epson and it's other
appointees in the marketplace.  Epson desires that any confidential and/or
proprietary information ("Information") disclosed to FTC be used only to
further the business relationship between the parties hereto.

In order to ensure that the Information disclosed by Epson to FTC is used only
in accordance with the purposes stated above, the parties agree to the
following:

I.               This Agreement shall be in effect for five (5) years ,
                 beginning on the date of its execution by the parties hereto
                 and will have an initial term of two (2) years ("Initial
                 Term").  This agreement will continue from year to year after
                 the Initial Term but shall be terminable by either party as of
                 the end of the Initial Term, or as the end of any anniversary
                 thereof, upon not less than ninety (90) days prior written
                 notice.

II.              FTC shall prevent the disclosure to others of Information
                 transmitted to FTC where such Information is prominently
                 designated as confidential, and is disclosed in the
                 performance of, or in connection with, FTC services performed
                 for Epson.  Any Information delivered by Epson to FTC marked
                 "secret", "confidential", or with words of similar meaning,
                 shall be conclusively deemed, as between the parties,
                 confidential and trade secret information of Epson.  Any
                 Information not bearing such marking shall not, however, be
                 deemed to be non-secret or non-confidential but any such
                 unmarked Information shall be subject to the same restrictions
                 as contained herein.

III.             Epson warrants that no restriction is made upon FTC relating
                 to FTC's freedom to offer services to any other persons or to
                 transmit any Information to other persons where such
                 Information (a) shall have been in its possession prior to the
                 disclosure by Epson, (b) shall have become part of the public
                 domain through no fault of FTC, (c) shall have been developed
                 subsequent to, and independent of, the disclosure by Epson, or
                 (d) shall have been released in writing by Epson so that FTC
                 may make public disclosure or otherwise deemed no longer to be
                 confidential.

IV.              FTC shall not use such confidential Information itself,
                 disclose it to others or permit the disclosure. of such
                 Information to others, and will prevent FTC employees (so long
                 as they shall remain employed by FTC) from divulging,
                 publishing or using such Information, except as is necessary
                 to perform the aforementioned maintenance repair and
                 distribution services.





                                      -14-
<PAGE>   15
V.               All Information disclosed by Epson to FTC shall remain the
                 property of Epson.  At Epson's request, the Information
                 tangible from shall be promptly returned or destroyed,
                 together with all copies thereof.  Upon request, FTC shall
                 provide written certification of the destruction.

VI.              Any notice or other communication provided under this
                 Agreement will be in writing and be sent via telex, telefax or
                 certified or registered mail, return receipt requested, to the
                 respective addresses as either. party has designated to the
                 other by notice in writing.  Any such notice will be deemed
                 given when received by the other party, attention directed to
                 the individual signing this Agreement.

VII.             This Agreement will be governed by the laws of the State of
                 California and constitutes the entire Agreement between Epson
                 and FTC pertaining to the subject matter hereof.  No
                 provisions of this Agreement will be deemed waived, amended or
                 modified by either party unless such waiver, amendment or
                 modification be in writing signed by the party against whom it
                 is sought to enforce the waiver, amendment or modification.
                 If any provision if this Agreement is held to be illegal or
                 unenforceable, such shall not effect the balance thereof.

VIII.    The parties hereto acknowledge that they have read this Agreement,
         understand it, and agree to be bound by its terms and conditions.
         Further, the parties acknowledge that this Agreement supersedes all
         prior agreements, oral or written, and all other communications
         between the parties relating to the subject matter of this Agreement.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
         be duly executed.  The persons signing warrant that they are
         authorized to sign for, and on behalf of, the respective parties.


<TABLE>
<S>                                          <C>
Accepted By:                                 Accepted By:
                                      
EPSON AMERICA, INCORPORATED                  FEDERAL TECHNOLOGY CORPORATION
                                      
                                      
                                      
BY: /s/ John Lang                            BY:  /s/ R. Dale D'Alessio        
    ----------------------------------            -------------------------------
TITLE: Exec. Vice President                  TITLE: Vice President & General
       Finance & Corp. Support                      Counsel
                                      
DATE:    12/13/90                            DATE:     12/13/90      
       ---------------------------                  -----------------------------
</TABLE>





                                      -15-
<PAGE>   16
                                  AMENDMENT 6
                          to that Certain Depot Repair
          Product Refurbishment and Warranty Administration Agreement
                                    Between
                             MICRODYNE CORPORATION
                   (Formerly Federal Technology) Corporation)
                                      and
                              EPSON AMERICA, INC.

                                    RECITAL


Epson America, Inc. ("EAI") and Federal Technology Corporation ("FTC") were
parties to that certain Depot Repair, Product Refurbishment and Warranty
Administration Agreement dated as of December 13, 1990 (the "Agreement").  As
of June 21, 1991, FTC changed its name to Microdyne Corporation ("Microdyne").
The Agreement has been amended five times.  Changes in the parties' business
relationship mandate a further amendment to the Agreement.

NOW THEREFORE, in consideration of the premises and of the mutual covenants and
conditions contained herein, the parties hereto agree as follows:

1.       Effective Date.  The effective date of this Amendment is October 1,
         1994 (the "Effective Date").

2.       Attachment B, Section E, End User Telephone Technical Support.
         Section 4 of Attachment B, Section E is amended by deleting the
         existing text and replacing it with the following:

         1)      The initial number of TTS representatives is set at 61.

                 Epson may request additional TTS representatives.  Charges for
                 these representatives will start on their first day of work.

                 Over time, some TTS representative losses may occur do to
                 attrition.  If this occurs, Epson will evaluate the number TTS
                 representatives needed, and may decide to continue at a
                 reduced level or authorize hiring of a replacement.  Charles
                 for replacement TTS representatives hired in each calendar
                 year will start on their first day of work for a quantity up
                 to 10% of the number of TTS representatives authorized on
                 January 1 of each calendar year, rounded to the nearest whole
                 number.  For calendar year 1994, this number shall be 7.
                 Charges for additional replacement TTS representatives in a
                 calendar year will start at the completion of training.

                 Epson may elect to reduce the number of TTS representatives at
                 any time with 30 days written notification.  Should the number
                 of authorized TTS representatives fall below 61, the monthly
                 billing rate will adjust to $5,400 per TTS representative
                 through March, 1994, and $5.575 per TTS representative
                 thereafter.

         2)      TTS representatives will be designated to support product or
                 skill areas; currently advertising reply, customer relations,
                 laser printers ink jet printers, impact printers, scanners,
                 portable computers and desktop computers, or assigned to
                 special projects.
<PAGE>   17
                 Product or skill areas may be added or changed in the future
                 subject to mutual agreement by Epson and Microdyne.

                 Each TTS representative will be rated according to skill level
                 as follows:

                 Level 1 - Capable of supporting one or more product or skill
                 areas.

                 Level 2 - A minimum of 6 months experience at Level 1
                 including 2 or more months of demonstrated capability to
                 support 3 or more product or skill areas.

                 Level 3 - A minimum of 18 months experience at Level 2
                 including 2 or more months of demonstrated capability to
                 support all product or skill areas.

                 Special Project - Special assignment to projects other than
                 telephone support.

                 Epson and Microdyne will strive to achieve and maintain the
                 following skill level allocation of TTS representatives,
                 excluding those assigned to special projects:

<TABLE>
                          <S>             <C>
                          Level 1          20%
                          Level 2          70%
                          Level 3          10%
</TABLE>

                 Epson may redefine the percentage of TTS representatives
                 allocated to Level 1 and Level 2 skill levels. However, if the
                 required Level 1 allocation percentage exceeds 20%, the stated
                 monthly charge per Level 1 TTS representative will be
                 increased by $150.

                 Changes in skill level designation for individual TTS
                 representatives will be made subject to mutual agreement by
                 Epson and Microdyne, and will occur on the first day of any
                 billing month.

         3)      Effective December 1, 1993:

<TABLE>
<CAPTION>
                          Skill Level              Monthly Charge per TTS Representative
                          -----------              -------------------------------------
                          <S>                                       <C>
                          Level 1                                   $4,725
                          Level 2                                   $5,150
                          Level 3                                   $5,600
                          Special Project                           $5,400
</TABLE>

         4)      Effective April 1, 1994, and April 1, 1995, prices will adjust
                 as indicated below based on the total number of TTS
                 representatives authorized and their skill level.  Subsequent
                 adjustments may occur each month with pricing based on the
                 number of TTS representatives authorized on the first day of
                 the billing month.





                                      -2-
<PAGE>   18
<TABLE>
<CAPTION>
                                                                             Effective        Effective
TTS                                                                          10/1/94 -        4/1/95 -
Representative                    Skill            Current                   3/31/95          3/31/96
Authorized                        Level            Price                     Price            Price    
- -------------------------------------------------------------------------------------------------------
<S>                               <C>              <C>                       <C>              <C>
61 - 65                           1                $4,890                    $4,743           $4,910
                                  2                $5,330                    $5,170           $5,351
                                  3                $5,796                    $5,622           $5,819
                                  *Sp. P.          $5,589                    $5,421           $5,611

66 - 70                           1                $4,867                    $4,721           $4,886
                                  2                $5,305                    $5,146           $5,326
                                  3                $5,768                    $5,595           $5,791
                                  Sp. P.           $5,562                    $5,395           $5,584

71 - 75                           1                $4,843                    $4,698           $4,838
                                  2                $5,279                    $5,121           $5,274
                                  3                $5,740                    $5,568           $5,735
                                  Sp.P.            $5,535                    $5,369           $5,530

76 - 80                           1                $4,820                    $4,675           $4,793
                                  2                $5,253                    $5,095           $5,222
                                  3                $5,712                    $5,541           $5,679
                                  Sp. P.           $5,508                    $5,343           $5,477

81 - 85                           1                $4,796                    $4,652           $4,745
                                  2                $5,227                    $5,070           $5,172
                                  3                $5,684                    $5,513           $5,624
                                  Sp.P.            $5,481                    $5,317           $5,423

86 - 90                           1                $4,772                    $4,629           $4,699
                                  2                $5,202                    $5,046           $5,122
                                  3                $5,656                    $5,486           $5,569
                                  Sp. P.           $5,454                    $5,290           $5,370

91 - 95                           1                $4,749                    $4,607           $4,652
                                  2                $5,176                    $5,021           $5,071
                                  3                $5,628                    $5,459           $5,513
                                  Sp. P.           $5,427                    $5,264           $5,317

96 - 100                          1                $4,725                    $4,583           $4,607
                                  2                $5,150                    $4,995           $5,021
                                  3                $5,600                    $5,432           $5,459
                                  Sp P.            $5,400                    $5,238           $5,264
</TABLE>

101                                                     Rates will be negotiated

                                                        * Special Projects





                                      -3-
<PAGE>   19
         5)      Monthly charges for TTS representatives include necessary
                 overhead and support personnel as determined by Microdyne.
                 These minimally include:  1 manager, 4 team leaders, and 1
                 trainer.

         6)      Microdyne will be expected to maintain acceptable levels of
                 employee attendance as follows:

                 #TTS Rep days worked in month     = Monthly Attendance %
                 --------------------------------
                 #TTS Reps x # work days in month

                 A rolling six month minimum monthly attendance average of 94%
                 must be maintained for the immediate preceding six months.  In
                 any month where the six month average falls below 94% the
                 monthly invoice will be reduced in percentage by the amount
                 that the six month average is below 94%.  For example, a six
                 month average attendance percent of 92.5% would cause a 1.5%
                 decrease in the invoice for that month.

         7)      Epson will not be charged for TTS representatives who are
                 absent due to short or long term disability, leave of absence,
                 or jury duty; nor will these absences be counted against
                 Microdyne attendance percentages.

         8)      TTS representatives will collectively meet monthly time
                 allocation standards for either on line time or incoming time
                 allocation percentage as follows:

<TABLE>
<CAPTION>
                                  Dec 1993-Mar 1994         Apr 1994-Mar 1995        Apr 1995-Mar 1996
                                  -----------------         -----------------        -----------------
                 <S>                       <C>                      <C>                       <C>
                 On Line Time              75.0%                    78.0%                     80.0%
                      or
                 Incoming Time             60.0%                    62.4%                     64.0%
</TABLE>

                 Should the monthly time allocation standard not be met,
                 Microdyne will deduct 2.5% from the monthly invoice for
                 telephone technical support.

                 NOTE:  Time Allocation

                 Time is allocated as percentage of telephone log on time.  TTS
                 representatives should log on when their shift starts, and log
                 off when it ends, the exceptions being scheduled lunch break,
                 assignment to a training class, or other non-phone related
                 duties, where the ITS representative should be in a log off
                 condition.

                 Log on time is broken down into the following components:

                 -Available       -        On the phone and ready to take a
                                           call.

                 -Incoming        -        Talking on a call.

                 -On Line         -        The sum of available and incoming
                                           time.

                 -Work            -        After call work required to complete
                                           or prepare for a call, return calls.
                                           or call escalation.

                 -Break           -        Break, or restroom time where the
                                           TTS representative is away from 
                                           his/her workstation.





                                      -4-
<PAGE>   20
                 On Line Time x 100 = percent On Line Time
                 ------------
                 Log on Time

                 Incoming Talk Time x 100 = percent Incoming Time
                 ------------------
                 Log on Time

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly
executed in counterparts.  The persons signing warrant that they are authorized
to sign on behalf of the respective parties.

<TABLE>
<S>                                                         <C>
Accepted by:                                                Accepted by:

EPSON AMERICA, INC.                                         MICRODYNE CORPORATION


By:      /s/ Robert A. Britt                                By:      /s/ Dave Laposata             
         ----------------------------------                         -------------------------------

Title: VP Service & Support                                 Title: VP Operations                   
       --------------------                                        --------------------------------

Date:    10/17/94                                           Date:   11/1/94                        
         ----------------------------------                         -------------------------------
</TABLE>





                                      -5-

<PAGE>   1



                                                                   EXHIBIT 10.11



                                CREDIT AGREEMENT

                          Dated as of January 27, 1995


                                     among


                             MICRODYNE CORPORATION

                                  as Borrower


                                      and



                                  CRESTAR BANK

                                      and

                                    NBD BANK

                                    as Banks


                                      and


                                  CRESTAR BANK

                                    as Agent
<PAGE>   2
                               TABLE OF CONTENTS



<TABLE>
<CAPTION>
                                                                                                  Page
                                                                                                  ----
<S>             <C>                                                                                 <C>
ARTICLE 1       DEFINITIONS AND ACCOUNTING TERMS  . . . . . . . . . . . . . . . . . . . . . . . .    1
                --------------------------------                                                      
                                                                              
ARTICLE 2       AMOUNTS AND TERMS OF THE ADVANCES . . . . . . . . . . . . . . . . . . . . . . . .   12
                ---------------------------------                                                     
                                                                              
ARTICLE 3       PAYMENTS AND COMPUTATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . .   21
                -------------------------                                                             
                                                                              
ARTICLE 4       SECURITY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   22
                --------                                                                              
                                                                              
ARTICLE 5       CONDITIONS OF LENDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   23
                ---------------------                                                                 
                                                                              
ARTICLE 6       REPRESENTATIONS AND WARRANTIES  . . . . . . . . . . . . . . . . . . . . . . . . .   26
                ------------------------------                                                        
                                                                              
ARTICLE 7       COVENANTS OF THE BORROWER . . . . . . . . . . . . . . . . . . . . . . . . . . . .   28
                -------------------------                                                             
                                                                              
ARTICLE 8       SUBSIDIARIES BECOMING BORROWER  . . . . . . . . . . . . . . . . . . . . . . . . .   34
                ------------------------------                                                        
                                                                              
ARTICLE 9       EVENTS OF DEFAULT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   35
                -----------------                                                                     
                                                                              
ARTICLE 10      THE AGENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   38
                ---------                                                                             
                                                                              
ARTICLE 11      MISCELLANEOUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   40
                -------------                                                                         
</TABLE>





                                      -i-
<PAGE>   3
                         LIST OF SCHEDULES AND EXHIBITS

Schedule 1                        -        List of Applicable Lending Offices
Schedule 2                        -        Pending Litigation
Schedule 3                        -        Outstanding Liens
Schedule 4                        -        Outstanding Debt
Schedule 6.1(o)                   -         Patents and Trademarks



Exhibit A -      Acceptable Foreign Customers
Exhibit B -      Form of Assumption Agreement
Exhibit C -      Revolving Promissory Note
Exhibit D -      Term Note
Exhibit E -      Notice of Borrowing
Exhibit F -      Form of Security Agreement
Exhibit G -      Form of Patent and Trademark Assignment





                                      -ii-
<PAGE>   4
                                CREDIT AGREEMENT

                          Dated as of January 27, 1995

         MICRODYNE CORPORATION, a Maryland corporation (the "Borrower"),
CRESTAR BANK and NBD BANK (the "Banks"), and CRESTAR BANK as agent (the
"Agent") for the Banks hereunder, agree as follows:

                                   ARTICLE 1
                        DEFINITIONS AND ACCOUNTING TERMS


         SECTION 1.1        Certain Defined Terms. As used in this Agreement,
the following terms shall have the following meanings (such meanings to be
equally applicable to both the singular and plural forms of the terms defined):

                 "Acceptable Foreign Customers" means the existing Foreign
Customers listed on Exhibit A to this Agreement and any future Foreign Customer
listed on an Aging, provided that either Bank may remove any Foreign Customer
from the category of Acceptable Foreign Customers at any time in its sole
discretion by giving the Borrower at least 30 days' prior written notice.

                 "Accounts Receivable" shall have the meaning given to such
term in the Security Agreement.

                 "Advances" means advances made to the Borrower by the Banks
pursuant to, the provisions of Section 2.1.

                 "Advance Commitment" means $12,148,500 in the case of Crestar
and $5,351,500 in the case of NBD.

                 "Advances Against Inventory" means at any time the amount by
which the aggregate outstanding Advances exceed 75 % of Eligible Billed
Receivables.

                 "Affiliate" means, with respect to any specified Person, any
other Person that, directly or indirectly, through one or more intermediaries,
controls or is controlled by, or is under common control with, such specified
Person. The term "control" means the possession, direct or indirect, of the
power to direct or cause the direction of the management and policies of a
Person, whether through ownership of common stock, by contract or otherwise.

                 "Aging" means a schedule of all outstanding Receivables of the
Borrower showing the initial invoice date of each Receivable and the age of the
Receivables in intervals of 30 days.
<PAGE>   5
                 "Agreement" means this Revolving Credit and Term Loan
Agreement, as the same may be amended, modified or supplemented from time to
time.

                 "Applicable Lending Office" means, with respect to either
Bank, the office of such Bank specified opposite its name on Schedule 1 hereto,
or such other office of such Bank as such Bank may from time to time specify to
the Borrower and the Agent.

                 "Artisoft Acquisition" means the acquisition described in the
Artisoft Purchase Agreement.

                 "Artisoft Purchase Agreement" means the Asset Purchase
Agreement, dated as of January 6, 1995, between Artisoft, Inc.  and the
Borrower, and any amendments thereto.

                 "Artisoft Letters of Credit" means the $3,000,000 and
$2,500,000 Letters of Credit issued to Artisoft by the Agent pursuant to
Section 2.3 of this Agreement.

                 "Assignment of Claims Act" means, collectively, the Assignment
of Claims Act of 1940, as amended, 31 U.S.C. Section 3727, 41 U.S.C. Section
15, any applicable rules, regulations and interpretations issued pursuant
thereto, and any amendments to any of the foregoing.

                 "Assumption Agreement" means each Assumption Agreement,
substantially in the form of Exhibit B attached to this Agreement, executed by
a Subsidiary that becomes a party to this Agreement, the Revolving Notes, the
Term Notes and the other Loan Documents in accordance with the provisions of
Article 8 below.

                 "Base Rate" means, for any period, a fluctuating interest rate
per annum established and announced from time to time by Crestar as its prime
rate, it being understood and agreed that the Base Rate is used as a reference
for fixing the lending rate on commercial loans and is not necessarily the
lowest or most favorable rate of interest charged by Crestar on such loans.

                 "Base Rate Advance" means any Advance or portion thereof with
respect to which the interest rate is calculated by reference to the Base Rate.

                 "Base Rate Loans" means the Base Rate Advances and the Base
Rate Term Loans.

                 "Base Rate Term Loan" means any Term Loan or portion thereof
with respect to which the interest rate is calculated by reference to the Base
Rate.

                 "Borrowing Base" means, at the time in question, the sum of
the following: (a) 75% of Eligible Billed Receivables, plus (b) the applicable
Inventory Component.





                                      -2-
<PAGE>   6
                 "Borrowing Base Certificate" means a certificate of the
Borrower containing a computation of the Borrowing Base and certifying that no
Default or Event of Default has occurred and is continuing, in form and
substance satisfactory to the Banks.

                 "Business Day" means a day of the year on which banks are not
required or authorized to close in Richmond, Virginia and Washington, D.C.,
and, if the applicable Business Day relates to any Eurodollar Rate Advances or
Eurodollar Rate Loans, on which dealings are carried on in the London or Nassau
interbank market.

                 "Capital Lease" means any lease that has been or should be
capitalized on the books of the lessee in accordance with GAAP.

                 "Cash Management Agreement" means any applicable agreement or
agreements between the Borrower and the Agent pursuant to which funds are
transferred automatically to and from the Primary Operating Account with the
Agent, as any such agreement may be amended, modified or supplemented from time
to time.

                 "Closing" means the initial disbursement of the Loans.

                 "Code" means the Internal Revenue Code of 1986, as amended
from time to time.

                 "Collateral" means, collectively, and includes all Accounts
Receivable, Equipment, General Intangibles, Inventory and all other property of
the Borrower in which a Lien is granted to the Agent for the ratable benefit of
the Banks pursuant to the Security Agreement or any other Loan Document.

                 "Commitment Percentage" means, as to either Bank at any time,
the percentage of the aggregate Advance Commitments and Term Loan Commitments
then constituted by such Bank's Advance Commitment and Term Loan Commitment.

                 "Coverage Ratio" means for any period, the ratio of (a)
EBITDA, to (b) principal and interest payments due to the Banks under the
Notes, payments due to Artisoft Inc. under Section 1.5 of the Artisoft Purchase
Agreement, DCA Royalty Payments, payment& made in connection with the
obligations secured by the Outstanding Crestar LC, payments due under any other
obligations of the Borrower backed by letters of credit issued by Crestar
(other than ordinary trade accounts payable), stock purchases under Section
7.2(c) (4) and payments due on any other liabilities of the Borrower, other
than ordinary and customary trade accounts payable and accrued expenses.

                 "Crestar" means Crestar Bank, a Virginia banking corporation,
in its capacity as a Bank hereunder.

                 "Customer" means any Person obligated on a Receivable.





                                      -3-
<PAGE>   7

                 "DCA Royalty Payments" means the minimum royalty payments of
$600,000 per annum due to Digital Communications Associates, Inc., in
connection with the purchase of the Token Ring product line.

                 "Debt" means, collectively, and includes, with respect to any
specified Person (a) indebtedness or liability for borrowed money or for the
deferred purchase price of property or services; (b) obligations as a lessee
under a Capital Lease; (c) obligations to reimburse the issuer of letters of
credit or acceptances; (d) all guaranties, endorsements (other than for
collection or deposit in the ordinary course of business) and other contingent
obligations to purchase, to provide funds for payment, to supply funds to
invest in any other Person or otherwise to assure a creditor against loss; (e)
obligations under interest rate swap agreements or similar agreements; and (f)
obligations secured by any Lien on property owned by the specified Person,
whether or not the obligations have been assumed.

                 "Default" means any event that, with the giving of notice, the
lapse of time, or both, would constitute an Event of Default.

                 "EBITDA" means, for any period, Net Income plus, to the extent
deducted in determining Net Income for such period, interest expense, income
tax expense, depreciation, amortization and DCA Royalty Payments.

                 "Eligible Billed Receivables" means Eligible Receivables that
have been billed to the appropriate Customer and are aged less than 91 days
from the date of the initial invoice. For the purposes of this Agreement, the
term "initial invoice" shall mean the first invoice relating to the applicable
goods shipped or services rendered, and not any subsequent invoice relating
thereto.

                 "Eligible Inventory" shall mean Inventory that the Banks in
their sole discretion determine to meet all of the following requirements: (a)
such Inventory is owned by the Borrower, is subject to the security interest
created by the Security Agreement, which is perfected as to such Inventory, and
is subject to no other Lien whatsoever other than a Lien permitted by this
Agreement, (b) such Inventory consists of either raw materials, work in
processor finished goods (but does not include supplies and packaging used or
consumed in packaging, packing, shipping, advertising, selling or leasing such
raw materials or finished goods), (c) such Inventory is in good condition and
meets all standards imposed by any governmental agency, or department or
division thereof, having regulatory authority over such goods, their use or
sale, (d) such Inventory is currently either usable or salable, at prices
approximating at least cost, in the normal course of the Borrower's business,
(e) such Inventory is located at one of the locations set forth in Schedule 1
to the Security Agreement and, if such location is premises leased by the
Borrower, the landlord at such location has agreed in writing, in form and
substance satisfactory to the Agent, to waive any lien such landlord may have
on the Inventory, and (f) such Inventory is not determined by either Bank





                                      -4-
<PAGE>   8
to be ineligible for any other reason based upon such credit and collateral
considerations as such Bank may deem appropriate.

                 "Eligible Receivables" means Accounts Receivable of the
Borrower (a) that represent valid obligations incurred by a Customer for goods
shipped or delivered or services completed under valid contracts of sale, lease
or service that have been formally awarded to the Borrower and for which all
required contract documents have been executed by the Customer and the Borrower
and, in the case of Accounts Receivable owed by the Government, for which funds
have been appropriated and allocated; (b)on which the Customer is not an
Affiliate or Subsidiary of the Borrower; (c) with respect to which the Borrower
has no knowledge or notice of any inability of the Customer to make full
payment; (d) from the face amounts of which have been deducted all payments,
setoffs, amounts subject to adverse claims made in writing to the Borrower,
contractual allowances, bad debt reserves and other credits applicable thereto;
(e) that are subject to no Liens other than those permitted by this Agreement;
(f) that continue to be in full conformity with the representations and
warranties made by the Borrower to the Banks in this Agreement and the Security
Agreement; (g) with respect to which the Banks are and continue to be satisfied
with the credit standing of the Customer; (h) on which the Customer is not a
creditor of the Borrower; and (i) on which, unless an Acceptable Foreign
Customer or otherwise approved by the Banks in writing, in their sole
discretion, the Customer is not a Foreign Customer; provided, however, and
without limiting any other provisions of this Agreement with respect to the
exclusion of Receivables from the category of Eligible Receivables and the
Borrowing Base, that (1) if either Bank reasonably determines that the
collectibility of any Account Receivable makes it unacceptable for inclusion as
an Eligible Receivable and gives written notice to the Borrower indicating the
reasons for such determination, then such Account Receivable shall thereafter
be excluded from the category of Eligible Receivables, (2) if more than 50% of
the aggregate face amount of Accounts Receivable owed by a Customer other than
the Government are aged more than 90 days from the dates of the initial
invoices, then all Accounts Receivable owed by such Customer shall be included
in a separate line item on the Agings and, at the option of either Bank, shall
be excluded from the category of Eligible Receivables, and (3) in no case shall
Eligible Receivables include any Account Receivable representing or arising out
of retainages, holdbacks, revenues recognized or costs incurred in excess of
approved or allowed reimbursement rates, cost overruns, unauthorized work or
work beyond the scope of a contract, rebillings or contracts secured by surety
bonds.

                 "Equipment" shall have the meaning given to such term in the
Security Agreement.

                 "ERISA" means the Employee Retirement Income Security Act of
1974, as amended from time to time, and the regulations promulgated and rulings
issued thereunder.

                 "Eurodollar Rate" means, for any Interest Period, for any
Eurodollar Rate Loan, the rate per annum quoted by the Agent on the first day
of the applicable Interest Period as determined by the Agent based upon the
rates of interest at which either one-





                                      -5-
<PAGE>   9
month, two-month or three-month deposits, as applicable, in U.S. dollars are
offered to the Agent, in the amount of the applicable Eurodollar Rate Advance
or Eurodollar Rate Loan (as adjusted upwards if necessary, if such adjustment
is required for the Agent to determine such rate) covered by the Eurodollar
Rate, by major banks in the London or Nassau interbank market (whichever is
greater) upon request of such banks at 11:00 a.m. (London or Nassau time, as
the case may be) on the day that is three Business Days (being a day upon which
commercial banks are also open for business in London, England, Nassau and
Richmond, Virginia, for dealing in dollar deposits in London, England or
Nassau, as the case may be) prior to the first day of such Interest Period, as
adjusted from time to time in the Agent's sole discretion, for then-applicable
reserve requirements, deposit insurance assessment rates, broker's commissions
and other regulatory costs.

                 "Eurodollar Rate Advance" means any Advance or portion thereof
with respect to which the interest rate is calculated by reference to the
Eurodollar Rate as provided in Section 2.6(b).

                 "Eurodollar Rate Loans" means the Eurodollar Rate Advances and
the Eurodollar Rate Term Loans.

                 "Eurodollar Rate Term Loan" means any Term Loan or portion
thereof with respect to which the interest rate is calculated by reference to
the Eurodollar Rate.

                 "Events of Default" has the meaning specified in Section 9.1.

                 "Federal Funds Rate" means, for any period, a fluctuating
interest rate per annum equal for each day during such period to the weighted
average of the rates on overnight Federal funds transactions with members of
the Federal Reserve System arranged by Federal funds brokers, as published for
such day (or, if such day is not a Business Day, for the next preceding
Business Day) by the Federal Reserve Bank of Richmond, or, if such rate is not
so published for any day that is a Business Day, the average of the quotations
for such day on such transactions received by the Agent from three Federal
funds brokers of recognized standing selected by it.

                 "Foreign Customer" means any Customer that is a foreign
government or an entity organized and existing under the laws of a country
other than the United States.

                 "GAAP" means generally accepted accounting principles
consistently applied.

                 "Gateway", means Gateway Communications, Inc.

                 "General Intangibles" shall have the meaning given to such
term in the Security Agreement.





                                      -6-
<PAGE>   10
                 "Government" means the United States of America or any agency
or instrumentality thereof.

                 "Interest Payment Date" means the first day of each calendar
month.

                 "Interest Period" means, for any Eurodollar Rate Loan, a
period of one, two or three months' duration, as the Borrower may elect,
commencing on the date of the making or continuation of such Loan or the date
of the conversion of any Loan into a Eurodollar Rate Loan and ending on the
last day of such period, thereafter, each subsequent period commencing on the
last day of the immediately preceding Interest Period and ending on the last
day of such period; provided, however, that (a) the duration of any Interest
Period which commences before any principal repayment date and otherwise would
end after such date shall end on such date; (b) if any Interest Period would
end on a day that is not a Business Day, such Interest Period shall be extended
to the next succeeding Business Day, unless such next succeeding Business Day
would fall in the next calendar month, in which case such Interest Period shall
end on the next preceding Business Day; and (c) if any Interest Period
commences on a date for which there is no corresponding date in the month in
which it is to end, it shall end on the last Business Day of such month.

                 "Inventory" shall have the meaning given to such term in the
Security Agreement.

                 "Inventory Component" shall mean the applicable percentage of
Eligible Inventory as set forth below, valued at the lower of cost or market,
but in no event shall such value be more than $6,000,000. The Inventory
Component shall be (1) 25% of Eligible Inventory until and including June 30,
1995, (2) 20% of Eligible Inventory from July 1, 1995 until and including
December 31, 1995, and (3)15% of Eligible Inventory from January 1, 1996 until
and including June 30, 1996. There shall be no Inventory Component after July
1, 1996.

                 "Inventory Contribution Percentage" shall mean at any time the
percentage of the aggregate outstanding Advances then constituted by the
Advances Against Inventory.

                 "LC Agreement" means, collectively and individually, each
standard form of Application and Agreement for Irrevocable Standby Letter of
Credit to be executed and delivered by the Borrower to the Agent in connection
with each Letter of Credit, as required by Section 2.3 of this Agreement, as
any of the same may be amended, modified or supplemented from time to time.

                 "Letter of Credit" means, individually and collectively, the
Artisoft Letters of Credit, the Outstanding Crestar LC, any letter of credit
issued by the Agent for the account of the Borrower pursuant to Section 2.3 of
this Agreement, as any of the same may be amended, modified or supplemented,
renewed or extended from time to time.





                                      -7-
<PAGE>   11
                 "Leverage Ratio" means, at any time, the ratio of Total
Liabilities to Tangible Net Worth.

                 "Lien" means any mortgage, deed of trust, pledge, security
interest, hypothecation, assignment, deposit arrangement, encumbrance, lien
(statutory or other), or preference, priority or other security agreement, or
preferential arrangement, charge or encumbrance of any kind or nature
whatsoever (including, without limitation, any conditional sale or other title
retention agreement, any Capital Lease and the filing of any financing
statement under the UCC or comparable law of any jurisdiction to evidence any
of the foregoing).

                 "Liquid Collateral" means certificates of deposit, government
securities or other assets readily converted into cash and acceptable to the
Banks in their sole discretion.

                 "Loan Documents" means this Agreement, the Notes, the Security
Agreement, each LC Agreement, each Letter of Credit, the Cash Management
Agreement, the Patent and Trademark Assignment, the letter agreement referenced
in Section 3.2 below and any other document now or hereafter executed or
delivered in connection with the Obligations, in evidence thereof or as
security therefor, as any of the same may be amended, modified or supplemented
from time to time.

                 "Loans" means the Advances and the Term Loans to be made to
the Borrower pursuant to this Agreement.

                 "Maximum Amount" means, with respect to the Advances,
$17,500,000.

                 "NBD" means NBD Bank.

                 "Net Income" means, for any period, the consolidated net
income (or deficit) of the Borrower and its Subsidiaries for such period
determined on a consolidated basis in accordance with GAAP; provided that there
shall be excluded from the calculation thereof any extraordinary, unusual or
non-recurring gains during such period in accordance with GAAP.

                 "Notes" means each Revolving Note and each Term Note.

                 "Notice of Borrowing" has the meaning specified in Section
2.2(a).

                 "Obligations" shall have the meaning given to such term in the
Security Agreement.

                 "Outstanding Crestar LC" means irrevocable letter of credit
#S-016828, issued by Crestar, in the amount of $875,000.





                                      -8-
<PAGE>   12
                 "Patent and Trademark Assignment" has the meaning specified in
Section 5.1(c).

                 "PBGC" means the Pension Benefit Guaranty Corporation
established under ERISA.

                 "Permitted Acquisition" means the Artisoft Acquisition or any
transaction in which the Borrower or a Subsidiary acquires all or substantially
all of the assets or outstanding capital stock of any Person or merges or
consolidates with any Person, provided that (a) after giving effect thereto, no
Default or Event of Default shall occur, (b) the surviving entity, if not the
Borrower, shall become a Borrower under the terms of this Agreement within 30
Business Days after the consummation of such transaction, (c) if the aggregate
value of cash and securities paid and issued in connection with such
transaction is less than $1,000,000, the Borrower shall give the Agent at least
30 Business Days' prior written notice of such transaction, and (d) if the
aggregate value of cash and securities paid and issued in connection with such
transaction is $1,000,000 or more, such transaction must be approved by the
Banks, which approval shall be subject to the review by the Banks of all
documentation and financial analysis related to the transaction as the Banks
shall reasonably require, and shall be granted or denied within ten Business
Days after the Banks have received such documentation and analysis.

                 "Person" means an individual, partnership, limited liability
company, corporation (including a business trust), joint stock company, trust,
unincorporated association, joint venture or other entity, or a government or
any political subdivision or agency thereof.

                 "Primary Operating Account" means, individually and
collectively, such deposit accounts or controlled disbursement accounts on
which the Borrower draws to pay all or substantially all of its operating
expenses.

                 "Quick Assets" means, at any time, the consolidated current
assets of the Borrower and its Subsidiaries, as determined in accordance with
GAAP, less any such current assets representing inventory, prepaid expenses,
and Receivables due from Affiliates of the Borrower.

                 "Quick Ratio" means, at any time, the ratio of Quick Assets to
the consolidated current liabilities of the Borrower and its Subsidiaries, as
determined in accordance with GAAP.

                 "Receivables" means the Accounts Receivable and General
Intangibles related to or arising out of any Accounts Receivable, including,
but not limited to, any right of the Borrower to payment for goods sold or
leased or for services rendered, whether or not earned by performance.





                                      -9-
<PAGE>   13
                 "Revolving Note" means a promissory note of the Borrower in
substantially the form of Exhibit C hereto.

                 "Security Agreement" has the meaning specified in Section
5.1(c).

                 "Spread" shall mean the percentage corresponding to the
Leverage Ratio and the Inventory Contribution Percentage set forth below, as
calculated by the Agent. The applicable Spread for the Advances on the date
hereof is 1.90%. The applicable Spread for the Term Loans on the date hereof is
2.00%. The Spread will be adjusted on a quarterly basis based on the table set
forth below:

<TABLE>
<CAPTION>
                                                            
                                                        Inventory                                
                                                      Contribution          Spread for             Spread for Term      
                  Leverage Ratio                       Percentage            Advances                   Loans
                  --------------                       ----------            --------                   -----
                  <S>                               <C>                          <C>                     <C>
                  Greater than or equal to 2.5      Greater than 15%             1.90%                   2.00%
                  to 1

                  Less than 2.5 to 1 but               15% or less               1.70%                   1.80%
                  greater than or equal to 2 to
                  1

                  Less than 2 to 1 but greater             0%                    1.60%                   1.70%
                  than or equal to 1.5 to 1

                  Less than 1.5 to 1                       0%                    1.50%                   1.60%
</TABLE>


The Spread will be adjusted to the highest percentage corresponding to the
applicable Leverage Ratio in effect as of the last day of each fiscal quarter
of the Borrower and the highest Inventory Contribution Percentage in effect on
the last day of any month during such fiscal quarter. The adjustment will
become effective as of the first day of the calendar month next succeeding the
last day of the 45-day period within which the Borrower must deliver its
quarterly financial statements to the Banks. No decrease in the Spread shall
become effective if, at such time, any Default or Event of Default has occurred
and is continuing. (By way of example, if the Leverage Ratio as of the end of a
fiscal quarter is 1.9 to l, and the Inventory Contribution Percentage as of the
last day of the first month of such quarter is 18 %, the Spread for Advances
will be 1.90%.) If the Borrower's financial statements are not delivered to the
Banks within the specified time periods, the Spread may be increased, at the
option of the Banks, to the highest applicable percentage from the date on
which the statements were due through the next adjustment date. At such time as
the Borrowing Base is greater than the Advances and the Term Loans for an
entire fiscal quarter, the Spread for the Term Loans will be the same as the
Advances for as long as the Borrowing Base remains greater than the Advances
and the Term Loans.





                                      -10-
<PAGE>   14
                 "Subsidiary" means a corporation of which shares of stock
having ordinary voting power to elect a majority of the board of directors or
other managers of such corporation are owned, or the management of which is
otherwise controlled, directly or indirectly, through one or more
intermediaries, or both, by the Borrower or any one or more of them.

                 "Tangible Net Worth" means, at any date, all amounts that, in
accordance with GAAP, would be included under stockholders' equity on the
balance sheet of the Borrower and its Subsidiaries at such time; provided that,
in any event, such amounts are to be exclusive of amounts carried on the books
of the Borrower or its Subsidiaries for (a) any write-up in the book value of
any assets of the Borrower resulting from a revaluation thereof subsequent to
the date of this Agreement; (b) unamortized debt discount expense; (c) any cost
of investments in excess of the value of net assets acquired at any time of
acquisition by the Borrower; (d) loans or advances to any Affiliate or
Subsidiary of the Borrower, or directors, officers, employees or shareholders
of the Borrower, any Affiliate of the Borrower or any Subsidiary; and (e) net
leasehold improvements, patents, patent applications, copyrights, trademarks,
trade names, good will, research and development costs, organizational
expenses, capitalized software costs and other like intangibles.

                 "Termination Date" means January 31, 1998, any earlier date of
termination in whole of the Commitments pursuant to Section 9. 1, or any later
date if the Termination Date is extended in the sole discretion of the Banks in
accordance with Section 2.4.

                 "Term Loan Commitment" means $6,733,740 in the case of Crestar
and $2,966,260 in the case of NBD.

                 "Term Loans" means the loans to be made to the Borrower by the
Banks pursuant to the provisions of Section 2.7 of this Agreement.

                 "Term Note" means a promissory note in substantially the form
of Exhibit D hereto.

                 "Total Liabilities" means, at any date, the aggregate amount
of all liabilities of the Borrower and its Subsidiaries (including tax and
other proper accruals), computed in accordance with GAAP.

                 "UCC" means the Uniform Commercial Code as adopted in the
Commonwealth of Virginia, and all amendments thereto.

         SECTION 1.2        Computation of Time Periods. In this Agreement in
the computation of periods of time from a specified date to a later specified
date, the word "from" means "from and including" and the words "to" and "until"
each means "to but excluding".





                                      -11-
<PAGE>   15
         SECTION 1.3        Accounting Terms. All accounting terms not
specifically defined herein shall be construed in accordance with GAAP
consistent with those applied in the preparation of the financial statements
referred to in Section 6. 1(e).


                                   ARTICLE 2
                       AMOUNTS AND TERMS OF ThE ADVANCES

         SECTION 2.1        The Advances.

                 (a)        Each Bank severally agrees, subject to the terms
and conditions of this Agreement, to make Advances to the Borrower from time to
time on any Business Day during the period from the date hereof until the
Termination Date in an aggregate amount not to exceed at any time outstanding
the amount of such Bank's Advance Commitment. The aggregate Base Rate Advances
shall be in a minimum amount of $100,000 or an integral multiple thereof, and
the aggregate Eurodollar Rate Advances shall be in a minimum amount of $500,000
or an integral multiple of $100,000 above $500,000. The aggregate outstanding
amount of Advances shall not exceed the Maximum Amount at any time. Within the
limits of each Bank's Advance Commitment and up to the Maximum Amount, the
Borrower may borrow, prepay pursuant to Section 2.10 and reborrow hereunder
from the date of this Agreement until the Termination Date; provided, however,
that no Advance will be disbursed by any Bank if, after such disbursement, the
aggregate principal amount of the Advances would exceed the Borrowing Base.

                 (b)        The Borrower, in accordance with the terms of
Section 2. 10 below, shall immediately prepay the Advances to the extent that
the aggregate unpaid principal balance of the Advances at any time exceeds the
Borrowing Base.


                 (c)        The proceeds of the Advances shall be used (1) to
refinance existing revolving and term loans made by Crestar to the Borrower,
(2) for short-term working capital purposes, (3) to finance a portion of the
Artisoft Acquisition and other Permitted Acquisitions, or (4) for other
ordinary and customary corporate purposes, and no other purpose.

         SECTION 2.2        Making the Advances.

                 (a)        The Borrower authorizes the Agent to make Base Rate
Advances from time to time in amounts sufficient to pay checks drawn on the
Borrower's Primary Operating Account with the Agent, subject to the limitations
set forth herein, all as more particularly described in the Cash Management
Agreement. In addition, Advances may be made by a written request from the
Borrower to the Agent, made not later than 10:00 a.m. (Washington, D.C. time),
in the case of Base Rate Advances, two Business Days prior to the date of the
proposed borrowing, which must be a Business Day, and in the case of





                                      -12-
<PAGE>   16
Eurodollar Rate Advances, three Business Days prior to the date of the proposed
borrowing, which must be a Business Day. The Agent shall give to each Bank by
telecopier, telex or cable prompt notice of Base Rate Advances to be made in
accordance with the Cash Management Agreement or a notice of borrowing made by
the Borrower to the Agent. Each such written request from the Borrower (a
"Notice of Borrowing") shall be in substantially the form of Exhibit E hereto.
Each Bank shall, before 1:00 p.m. (Washington, D.C. time) on the date of
disbursement, make available for the account of its Applicable Lending Office
to the Agent at its address referred to in Section 11.2, in same day funds,
such Bank's ratable portion of such Advances. After the Agent's receipt of such
funds and upon fulfillment of the applicable conditions set forth in Article 5,
the Agent shall deposit such funds to the Primary Operating Account, or such
other account as the Borrower may direct.

                 (b)        Each Advance shall be a Base Rate Advance unless
the Borrower designates such Advance to be a Eurodollar Rate Advance pursuant
to Section 2.9 below.

                 (c)        Each Notice of Borrowing shall be irrevocable and
binding on the Borrower. in the case of any borrowing that the related Notice
of Borrowing specifies is to be comprised of Eurodollar Rate Advances, the
Borrower shall indemnify each Bank against any loss, cost or expense actually
incurred by such Bank as a result of any failure to borrow or fulfill on or
before the date specified in such Notice of Borrowing for such borrowing the
applicable conditions set forth in Article 5, including, without limitation,
any loss (including loss of anticipated profits), cost or expense actually
incurred by reason of the liquidation or reemployment of deposits or other
funds acquired by such Bank to fund the Advance to be made by such Bank as part
of such borrowing when such Advance, as a result of such failure, is not made
on such date.

                 (d)        Unless the Agent shall have received notice from a
Bank prior to the date of any Advances that such Bank will not make available
to the Agent such Bank's ratable portion of such Advances, the Agent may assume
that such Bank has made such portion available to the Agent on the date of such
Advances in accordance with Section 2.2(a) and the Agent may, in reliance upon
such assumption, make available to the Borrower on such date a corresponding
amount. If and to the extent that such Bank shall not hake so made such ratable
portion available to the Agent, such Bank and the Borrower severally agree to
repay to the Agent forthwith on demand such corresponding amount together with
interest thereon, for each day from the date such amount is made available to
the Borrower until the date such amount is repaid to the Agent, at (1) in the
case of the Borrower, the interest rate applicable at the time to such
Advances, and (2) in the case of such Bank, the Federal Funds Rate. If such
Bank shall repay to the Agent such corresponding amount, such amount so repaid
shall constitute such Bank's Advance for purposes of this Agreement.

                 (e)        The failure of either Bank to make the Advance to
be made by it shall not relieve the other Bank of its obligation, if any,
hereunder to make its Advance, but neither Bank shall be responsible for the
failure of the other Bank to make Advances.





                                      -13-
<PAGE>   17
         SECTION 2.3        Letters of Credit.

                 (a)        Subject to the terms and conditions of this
Agreement, the Agent, in reliance on the agreements of the Banks set forth in
Section 2.3(d) below, will issue at Closing to Artisoft two Letters of Credit
for the account of the Borrower in the principal face amounts of $3,000,000 and
up to $2,500,000, respectively. The Agent may from time to time at the request
of the Borrower and with the consent of the Banks issue Letters of Credit for
the account of the Borrower from time to time until the Termination Date.  Each
such subsequent Letter of Credit shall be approved by the Banks in their sole
discretion. The Advance Commitment of each Bank shall be reduced by each Bank's
Commitment Percentage of the Letters of Credit, other than the Artisoft Letters
of Credit. The Outstanding Crestar LC shall be treated as an outstanding Letter
of Credit under this Agreement.

                 (b)        Prior to the issuance of any Letter of Credit, the
Agent must receive an appropriately completed LC Agreement, executed by the
Borrower, not less than five Business Days prior to the date on which the
Letter of Credit is to be issued.  In the event of a conflict between the terms
of any LC Agreement and the terms of this Agreement, this Agreement shall
control. The Artisoft Letters of Credit shall secure the Borrower's obligations
under Section 1.5 of the Artisoft Purchase Agreement. The $3,000,000 Artisoft
Letter of Credit shall expire on July 10, 1995 and the other Artisoft Letter of
Credit shall    expire on October 9, 1995. The Borrower agrees to reimburse the
Agent on demand for any drawing paid by the Agent under a Letter of Credit,
together with interest thereon from the date of such demand at the Base Rate
plus 2% per annum.

                 (c)        The Borrower agrees to pay a nonrefundable
commission with respect to each Letter of Credit at a rate per annum equal to 1
1/4% of the face amount of such Letter of Credit, computed on the basis of a
360-day year for the actual number of days for which such Letter of Credit is
to be outstanding, which fee shall be due and payable in advance on the date of
issuance of such Letter of Credit. The Borrower shall pay such commission to
the Agent for the ratable benefit of the Banks in accordance with their
respective Advance Commitment Percentages. The Borrower shall pay to the Agent
for its own account a nonrefundable commission of 1/4 of 1% per annum of the
face amount of each Letter of Credit, imputed on the same basis and payable in
advance on the date of issuance, together with a $200 opening fee for each
Letter of Credit.

                 (d)        The Agent shall irrevocably grant to each Bank,
and, to induce the Agent to issue Letters of Credit hereunder, each Bank
irrevocably agrees to accept and purchase from the Agent, on the terms and
conditions hereinafter stated, for such Bank's own account and risk, an
undivided participation interest equal to such Bank's Advance Commitment
Percentage in the Agent's obligations and rights under the Outstanding Crestar
LC, the Artisoft Letters of Credit and each subsequent Letter of Credit issued
hereunder with the consent of the Banks and any amounts paid by the Agent
thereunder. Each Bank unconditionally and irrevocably agrees with the Agent
that, if any amounts are paid under





                                      -14-
<PAGE>   18
any Letter of Credit or LC Agreement for which the Agent is not reimbursed in
full by the Borrower in accordance with the terms of this Agreement, such Bank
shall pay to the Agent, upon demand, at the Agent's address for notices
specified in Section 11.2 below, such Bank's Advance Commitment Percentage of
such amounts paid by the Agent that are not so reimbursed.

                 (e)        If any amount required to be paid by any Bank to
the Agent pursuant to Section 2.3(d) in respect of any unreimbursed portion of
any payment made by the Agent under any Letter of Credit or LC Agreement is not
paid to the Agent within three Business Days after the date such payment is
due, such Bank shall pay to the Agent, on demand, an amount equal to the
product of (1) such amount, times (2) the daily average Federal Funds Rate, as
quoted by the Agent, during the period from and including the date such payment
is required to the date on which such payment,is immediately available to the
Agent, times (3) a fraction, the numerator of which is the number of days that
elapse during such period and the denominator of which is 360. If any such
amount required to be paid by any Bank pursuant to Section 2.3(d) is not in
fact made available to the Agent by such Bank within three Business Days after
the date such payment is due, the Agent shall be entitled to recover from such
Bank, on demand, such amount with interest thereon calculated from such due
date at the rate per annum then applicable to Base Rate Advances hereunder. A
certificate of the Agent submitted to any Bank with respect to any amounts
owing under this Section shall be conclusive in the absence of manifest error.

                 (f)        Whenever, at any time after the Agent has made
payment under any Letter of Credit and has received from any Bank its pro rata
share of such payment in accordance with Section 2.3(d), the Agent receives any
payment related to such Letter of Credit (whether directly from the Borrower or
otherwise, including proceeds of Collateral applied thereto by the Agent), or
any payment of interest on account thereof, the Agent will pay to such Bank its
pro rata share thereof; provided, however, that in the event that any such
payment received by the Agent shall be required to be returned by the Agent,
such Bank shall return to the Agent, for the account of the Agent, the portion
thereof previously distributed by the Agent to it.

                 (g)        The Borrower's obligations under this Section 2.3
shall be absolute and unconditional under any and all circumstances,
irrespective of any set-off, counterclaim or defense to payment that the
Borrower may have or have had against the Agent or any beneficiary of a Letter
of Credit. The Borrower also agrees with the Agent that the Agent shall not be
responsible for, and the Borrower's reimbursement obligations under any Letter
of Credit or LC Agreement shall not be affected by, among other things, the
validity or genuineness of any documents or of any endorsements thereon, even
though such documents shall prove in fact to be invalid, fraudulent or forged,
or any dispute between or among the Borrower and any beneficiary of any Letter
of Credit or any other party to which such Letter of Credit may be transferred,
or any claims whatsoever of the Borrower against any beneficiary of such Letter
of Credit or any such transferee, except for errors or omissions caused by the
Agent's gross negligence or willful misconduct. The Agent shall not be liable





                                      -15-
<PAGE>   19
for any error, omission, interruption or delay in transmission, dispatch or
delivery of any message or advice, however transmitted, in connection with any
Letter of Credit, except for errors or omissions caused by the Agent's gross
negligence or willful misconduct. The Borrower agrees that any action taken or
omitted by the Agent under or in connection with any Letter of Credit or the
related drafts or documents, if done in the absence of gross negligence or
willful misconduct and in accordance with the standards of care specified in
the UCC, shall be binding on the Borrower and shall not result in any liability
of the Agent to the Borrower.

         SECTION 2.4        Termination Date. The Borrower and the Banks from
time to time may agree to extend the Termination Date.  During any such periods
of extension, the remaining terms and conditions of this Agreement shall remain
in full force and effect, and the Borrower shall execute and deliver any
amendments or modifications to the Loan Documents as the Banks may require in
connection with any such extension. Nothing in this Section 2.4 shall obligate
the Banks to grant such extensions at any time.

         SECTION 2.5        Repayment of Advances. The obligation of the
Borrower to repay the Advances made by each Bank, together with interest
thereon, shall be evidenced by a Revolving Note issued to such Bank. The unpaid
principal balance of each Revolving Note shall be payable to the applicable
Bank on the Termination Date.

         SECTION 2.6        Interest. The Borrower shall pay interest on the
unpaid principal amount of each Advance and the Term Loans made by each Bank
from the date of such Advance or date of disbursement of the Term Loans until
such principal amount shall be paid in full, on each Interest Payment Date and
on the Termination Date, at the following rates per annum:

                 (a)        Base Rate Loans. During such periods as such
Advance or any portion of the Term Loans is a Base Rate Loan, a rate per annum
equal at all times to the Base Rate in effect from time to time. The rate at
which interest accrues on the unpaid principal balance of the Advances or Term
Loans shall be changed effective as of the date of any change in the Base Rate.

                 (b)        Eurodollar Rate Loans. During such periods as such
Advance or any portion of the Term Loans is a Eurodollar Rate Loan, at a rate
per annum equal to the Eurodollar Rate for the applicable Interest Period plus
the applicable Spread. The applicable Eurodollar Rate shall remain in effect
until the end of the applicable Interest Period. The Agent shall determine the
applicable Eurodollar Rate for each Interest Period at 10:00 a.m., Eastern
time, or as soon as practicable thereafter, two Business Days prior to the
first day of the applicable Interest Period and shall notify the Borrower of
the Eurodollar Rate so determined. Such determination shall be conclusive
absent manifest error.





                                      -16-
<PAGE>   20
         SECTION 2.7        Term Loans.

                 (a)        Subject to the terms and conditions of this
Agreement, each Bank severally agrees, to make the Term Loans to the Borrower
in the aggregate amount of $9,700,000 on the date of Closing. Each Bank shall
make a Term Loan in the principal amount set opposite such Bank's name on the
signature pages hereof (such Bank's "Term Loan Commitment").

                 (b)        The proceeds of the Term Loans shall be used to
finance the Artisoft Acquisition and to repay certain term indebtedness of the
Borrower to Crestar.

                 (c)        The principal of the Term Loans shall be repaid in
one $600,000 installment due on April 1, 1995, 22 equal consecutive monthly
installments of $400,000 each, beginning on July 1, 1995, and a final
installment of $300,000 due on May 1, 1997, when the unpaid principal balance
of the Term Loans, together with all accrued and unpaid interest thereon, shall
be due and payable in full.

                 (d)        The obligation of the Borrower to repay the Term
Loan made by each Bank, together with interest thereon, shall be evidenced by a
Term Note issued to such Bank.

         SECTION 2.8        Interest Rate Determination and Protection.

                 (a)        If the Agent is unable to determine the Eurodollar
Rate for any Eurodollar Rate Loan for any reason, (1) the Agent shall forthwith
notify the Borrower and the Banks of such determination, (2) any request for
Eurodollar Rate Loans shall be withdrawn or changed to a request for a Base
Rate Loan, at the discretion of the Borrower, (3) each Eurodollar Rate Loan
will automatically, on the last day of the then-existing Interest Period
therefor, convert into a Base Rate Loan, and (4) the obligation of the Banks to
make, to continue Loans as or to convert Loans into, Eurodollar Rate Loans,
shall be suspended until the Agent shall notify the Borrower and the Banks that
the circumstances causing such suspension no longer exist.

                 (b)        If, with respect to any Eurodollar Rate Loans, any
Bank notifies the Agent that the Eurodollar Rate for any Interest Period will
not adequately reflect the cost to such Bank of making, funding or maintaining
its respective Eurodollar Rate Loans for such Interest Period, the Agent shall
forthwith so notify the Borrower and the Banks, whereupon (1) each Eurodollar
Rate Loan will automatically, on the last day of the then-existing Interest
Period therefor, convert into a Base Rate Loan, (2) any request for Eurodollar
Rate Loans shall be withdrawn or changed to a request for Base Rate Loans, at
the discretion of the Borrower, and (3) the obligation of the Banks to make, to
continue Loans as or to convert Loans into, Eurodollar Rate Loans shall be
suspended until the Agent shall notify the Borrower and the Banks that the
circumstances causing such suspension no longer exist.





                                      -17-
<PAGE>   21
         SECTION 2.9        Designation. Conversion or Continuation of Loans.
The Borrower shall have the right (a) to designate any portion of a Loan to be
a Eurodollar Rate Loan, (b) to continue any Eurodollar Rate Loan or portion
thereof into a subsequent Interest Period, and (c) to convert any Base Rate
Loan into a Eurodollar Rate Loan, subject in each case to the selection of
Interest Periods in accordance with the definition thereof, and the provisions
set forth below. Each such designation, conversion or continuation shall be
made upon prior irrevocable written or telephonic notice to the Agent. To be
effective, each notice must be received by the Agent not later than 10:00 a.m.,
Washington, D.C. time, on the second Business Day preceding the date of any
designation, continuation or conversion of a Eurodollar Rate Loan. Each
designation, continuation and conversion shall be subject to the following:

                            (1)   in the case of a designation, continuation or
conversion of less than all Loans, the aggregate principal amount of Loans
designated, continued or converted shall not be less than $500,000;

                            (2)   if a Loan is being continued as a Eurodollar
Rate Loan, the first Interest Period with respect thereto shall commence on the
date of such continuation;

                            (3)   if a Loan or a portion thereof is being
designated as or converted to a Eurodollar Rate Loan, the first Interest Period
with respect thereto shall commence on the second Business Day following the
Agent's receipt of the notice required above;

                            (4)   a Eurodollar Rate Loan may be converted to a
Base Rate Loan only on the last day of an Interest Period;

                            (5)   each request for a Eurodollar Rate Loan or a
continuation thereof which shall fail to state an applicable Interest Period,
shall be deemed to be a request for an Interest Period of a one month duration;
and

                            (6)   not more than five Eurodollar Rate Loans
shall be outstanding at any time.


In the event that the Borrower shall not give the required notice to designate
a Loan as a Eurodollar Rate Loan, continue a Loan as a Eurodollar Rate Loan
into a subsequent Interest Period, or convert any Loan into a Eurodollar Rate
Loan, such Loan (unless repaid) shall automatically be or become a Base Rate
Loan at the expiration of the then-current Interest Period.





                                      -18-
<PAGE>   22
         SECTION 2.10       Prepayments.

                 (a)        The Borrower shall have the right at any time and
from time to time to prepay any Base Rate Loan, in whole or in part, without
premium or penalty, at any time.

                 (b)        The Borrower shall have the right to prepay any
Eurodollar Rate Loan, in whole or in part, on the last day of the then-current
Interest Period in effect for such Eurodollar Rate Loan upon at least two
Business Days' prior written or telephonic notice to the Agent. The Borrower
shall not prepay any Eurodollar Rate Loan except at the end of the Interest
Period in effect for such Loan.

                 (c)        Notwithstanding any contrary provision of the Cash
Management Agreement, funds of the Borrower on deposit with the Agent shall not
be applied automatically to the prepayment of any Eurodollar Rate Loan as long
as no Event of Default has occurred.

         SECTION 2.11       Fees.

                 (a)        In consideration of the Advances to be made by the
Banks, the Borrower agrees to pay to the Agent for the account of each Bank a
commitment fee equal to 118 of l % per annum of $17,500,000, to be paid to the
Agent in advance on the Closing for the period beginning on the Closing Date
and ending on March 31, 1995, and thereafter on the first day of each calendar
quarter, beginning on April l, 1995. Each installment of the commitment fee
shall be shared ratably between the Banks in accordance with their respective
Commitment Percentages.

                 (b)        The Borrower also agrees to pay to the Agent on the
date of Closing an origination fee equal to  1/4 of 1 % of $27,200,000. The
origination fee shall be shared ratably between the Banks in accordance with
their respective Commitment Percentages.

         SECTION 2.12       Increased Costs.

                 (a)        If, due to either (1) the introduction of or any
change in or in the interpretation of any law or regulation, or (2) the
compliance with any guideline or request from any central bank or other
governmental authority (whether or not having the force of law), there shall be
any increase in the cost to any Bank of agreeing to make or making, funding or
maintaining Eurodollar Rate Loans or Letters of Credit, or any Bank shall be
subjects to any tax of any kind whatsoever with respect to this Agreement, any
Note, any Letter of Credit or any LC Agreement, or there shall be a change in
the basis of taxation of payments to such Bank in respect thereof (except for
changes in the rate of tax on such Bank's overall net income), then the
Borrower shall from time to time, upon demand by such Bank (with a copy of such
demand to the Agent), pay to the Agent for the account of such Bank, additional
amounts sufficient to compensate such Bank for such increased cost or
additional tax. A certificate as to the amount of such increased cost or
additional tax,





                                      -19-
<PAGE>   23
submitted to the Borrower and the Agent by such Bank, shall be conclusive and
binding for all purposes, absent manifest error.

                 (b)        If any Bank determines that compliance with any law
or regulation or any guideline or request from any central bank or other
governmental authority (whether or not having the force of law) affects or
would affect the amount of capital required or expected to be maintained by
such Bank or any corporation controlling such Bank and that the amount of such
capital is increased by or based upon the existence of such Bank's commitment
to lend hereunder and other commitments of this type, then, upon demand by such
Bank (with a copy of such demand to the Agent), the Borrower shall immediately
pay to the Agent for the account of such Bank, from time to time as specified
by such Bank, additional amounts sufficient to compensate such Bank or such
corporation in the light of such circumstances, to the extent that such Bank
reasonably determines such increase in capital to be allocable to the existence
of such Bank's commitment to lend hereunder. A certificate as to such amounts
submitted to the Borrower and the Agent by such Bank shall be conclusive and
binding for all purposes, absent manifest error.

         SECTION 2.13       Illegality.  Notwithstanding any other provision of
this Agreement, if any Bank shall notify the Agent that the introduction of or
any change in or in the interpretation of any law or regulation makes it
unlawful, or any central bank or other governmental authority asserts that it
is unlawful, for any Bank to perform its obligations hereunder to make
Eurodollar Rate Loans or to fund or maintain Eurodollar Rate Loans hereunder,
(1) the obligation of the Banks to make, to continue Loans as or to convert
Loans or portions thereof into Eurodollar Rate Loans, shall be suspended until
the Agent shall notify the Borrower and the Banks that the circumstances
causing such suspension no longer exist, and (2) the Borrower shall forthwith
prepay in full all Eurodollar Rate Loans of all Banks then outstanding,
together with interest accrued thereon and any amount payable pursuant to
Section 11.6(b), unless the Borrower, within five Business Days of notice from
the Agent, converts all Eurodollar Rate Loans of all Banks then outstanding
into Base Rate Loans in accordance with Section 2.9.

         SECTION 2.14       Sharing of Payments. etc.  Except to the extent
otherwise expressly provided herein, (a) Loans shall be made by the Banks pro
rata in accordance with their respective Commitment Percentages, (b)each
reduction in the Commitment Percentages shall be made pro rata in accordance
with the respective amounts thereof, and (c) each payment of the principal of
or interest on the Loans or of fees shall be made for the account of the Banks
pro rata in accordance with their respective amounts thereof then due and
payable. If any Bank shall obtain any payment (whether voluntary, involuntary,
through the exercise of any right of set-off, or otherwise) on account of the
Advances made by it or on account of its share of the Term Loans (other than
pursuant to Sections 2.12 or 11.6(b)) in excess of its ratable share of
payments on account of the Advances or the Term Loans obtained by all the
Banks, such Bank shall forthwith purchase from the other Banks such
participations in the Advances made by them or in the Term Loans as shall be
necessary to cause such purchasing Bank to share the excess payment ratably
with each of them; provided, however, that if all





                                      -20-
<PAGE>   24
or any portion of such excess payment is thereafter recovered from such
purchasing Bank, such purchase from each Bank shall be rescinded and such Bank
shall repay to the purchasing Bank the purchase price to the extent of such
recovery together with an amount equal to such Bank's ratable share (according
to the proportion of (1) the amount of such Bank's required repayment to (2)
the total amount so recovered from the purchasing Bank) of any interest or
other amount paid or payable by the purchasing Bank in respect of the total
amount so recovered. The Borrower agrees that any Bank so purchasing a
participation from another Bank pursuant to this Section 2.14 may, to the
fullest extent permitted by law, exercise all of its rights of payment
(including the right of set-off) with respect to such participation as fully as
if such Bank were the direct creditor of the Borrower in the amount of such
participation.


                                   ARTICLE 3
                           PAYMENTS AND COMPUTATIONS

         SECTION 3.1        Payments.

                 (a)        The Borrower shall make each payment hereunder and
under the Notes without setoff, deduction or counterclaim of any kind not later
than 11:00 a.m. (Washington, D.C. time) on the day when due in U.S. dollars to
the Agent at its address referred to in Section 11.2 in same day funds. The
Agent will promptly thereafter cause to be distributed like funds relating to
the payment of principal or interest on the Advances, the Term Loans or fees
ratably (other than amounts payable pursuant to Sections 2.3(c) or 2. 12) to
the Banks for the account of their respective Applicable Lending Offices, and
like funds relating to the payment of any other amount payable to any Bank to
such Bank for the account of its Applicable Lending Office, in each case to be
applied in accordance with the terms of this Agreement.

                 (b)        If any payment of principal, interest or fees is
not made within ten days of its due date, the Borrower agrees to pay to the
Agent, for the ratable benefit of the Banks, a late charge equal to 5% of the
amount of the payment. Upon the occurrence of an Event of Default and during
the continuation of such Event of Default, interest shall accrue on the Loans
at a per annum rate of 2% above the rate of interest that otherwise would be
applicable.

                 (c)        Whenever any payment hereunder or under the Notes
shall be stated to be due on a day other than a Business Day, such payment
shall be made on the next succeeding Business Day, and such extension of time
shall in such case be included in the computation of payment of interest or
fee, as the case may be; provided, however, if such extension would cause
payment of interest on or principal of Eurodollar Rate Loans to be made in the
next following calendar month, such payment shall be made on the next preceding
Business Day.





                                      -21-
<PAGE>   25
                 (d)        Unless the Agent shall have received notice from
the Borrower prior to the date on which any payment is due to the Banks
hereunder that the Borrower will not make such payment in full, the Agent may
assume that the Borrower has made such payment in full to the Agent on such
date and the Agent may, in reliance upon such assumption, cause to be
distributed to each Bank on such due date an amount equal to the amount then
due such Bank. If and to the extent the Borrower shall not have so made such
payment in full to the Agent, each Bank shall repay to the Agent forthwith on
demand such amount distributed to such Bank if such payment is repaid to the
Agent within one Business Day of such demand, and thereafter, with interest on
such distributed amount at the Federal Funds Rate for each day until the date
such Bank repays such amount to the Agent.

         SECTION 3.2        Agent's Fee.  In consideration of the Agent's
services rendered in accordance with the terms of the Loan Documents, the
Borrower agrees to pay to the Agent, for the account of the Agent, the fees
specified in the letter agreement of even date herewith between the Borrower
and the Agent, as the same may be amended from time to time.

         SECTION 3.3        Computations.  All computations of interest, fees
and other charges hereunder and under any Loan Document shall be made by the
Agent on the basis of a year of 360 days, in each case for the actual number of
days (including the first day but excluding the last day) occurring in the
period for which such interest or other amounts are payable. Each determination
by the Agent of an interest rate hereunder shall be conclusive and binding for
all purposes, absent manifest error.


                                   ARTICLE 4
                                    SECURITY

         SECTION 4.1        Collateral.  The Obligations shall be secured by a
first priority security interest in all of the Collateral, granted to the Agent
for the ratable benefit of the Banks. The security interest will be created by
and subject to the provisions of the Security Agreement.

         SECTION 4.2        Assignments.  The Borrower shall execute all
agreements, instruments and documents and shall perform all acts that the Banks
reasonably may require with respect to Receivables owing by the Government to
ensure compliance with the Assignment of Claims Act.

         SECTION 4.3        Patent and Trademark Assignment. The Obligations
also shall be secured by an assignment of all of the Borrower's patents and
trademarks. Such assignment will be created by and subject to the provisions of
the Patent and Trademark Assignment.





                                      -22-
<PAGE>   26
                                   ARTICLE 5
                             CONDITIONS OF LENDING

         SECTION 5.1        Condition Precedent to Initial Disbursement. The
obligation of any Bank to make an initial Advance or the Term Loans, as
applicable, or the Agent to issue a Letter of Credit, is subject to the
condition precedent that the Agent shall have received on or before the day of
the initial Loan or the issuance of the initial Letter of Credit the following,
each in form and substance satisfactory to the Agent:

                 (a)        This Agreement, executed by all of the parties
hereto.

                 (b)        The Notes payable to the order of the Banks,
respectively.

                 (c)        A security agreement of even date herewith, duly
executed by the Borrower, in substantially the form of Exhibit F hereto (as
amended, modified or supplemented from time to time, the "Security Agreement"),
and a patent and trademark assignment of even date herewith, duly executed by
the Borrower, in substantially the form of Exhibit G hereto (as amended,
modified or supplemented from time to time, the Patent and Trademark
Assignment"), together with:

                            (1)   Sufficient signed original financing
statements to be filed under the Uniform Commercial Code of all jurisdictions
that the Agent may deem necessary or desirable in order to perfect the security
interests created by the Security Agreement,

                            (2)   Evidence that all filings have been made in
the U.S. Patent and Trademark Office necessary to perfect the assignments
created by the Patent and Trademark Assignment,

                            (3)   Completed lien search requests from all
jurisdictions referred to in Section 5.1(c)(1) above,

                            (4)   Evidence satisfactory to the Agent that the
Borrower is in the process of obtaining UCC-3 termination statements for all
financing statement filings that cover any portion of the Collateral except as
otherwise permitted hereby, and file-stamped copies of such termination
statements within 30 days after the date hereof,

                            (5)   Such landlord and mortgagee waivers as the
Agent shall request with respect to any landlord or mortgagee that may claim an
interest in any of the Collateral,

                            (6)   Evidence of the insurance required by the
terms of the Security Agreement, and





                                      -23-
<PAGE>   27
                            (7)   Evidence that all other actions necessary or,
in the opinion of the Agent, desirable to perfect and protect the security
interests created by the Security Agreement and the Patent and Trademark
Assignment have been taken.

                 (d)        Evidence of the closing of the Artisoft
Acquisition, and a copy of the applicable Hart-Scott-Rodino approval, or a
letter from the Borrower's counsel to the effect that such approval has been
obtained.

                 (e)        All documents pertaining to the Artisoft
Acquisition.

                 (f)        Evidence satisfactory to the Agent that all filings
have been made and other actions necessary to perfect a first priority security
interest in the assets acquired by the Borrower pursuant to the Artisoft
Acquisition have been completed.

                 (g)        A certification by Artisoft, Inc. with respect to
the assets acquired by the Borrower pursuant to the Artisoft Acquisition, in
form and substance satisfactory to the Agent.

                 (h)        A pro-forma balance sheet of the Borrower as of the
Closing, and pro-forma income statements of the Borrower, in each case giving
effect to the Artisoft Acquisition for the three-year period following the
Artisoft Acquisition.

                 (i)        A copy of each license agreement issued to the
Borrower by Novell, Inc. to manufacture and sell the Listed Products (as such
term is defined in the Artisoft Purchase Agreement).

                 (j)        Certified copies of the resolutions of the Board of
Directors of the Borrower approving each Loan Document, and of all documents
evidencing other necessary corporate action and governmental approvals, if any,
with respect to each such Loan Document.

                 (k)        A certificate of the Secretary or an Assistant
Secretary of the Borrower certifying the names and true signatures of the
officers of the Borrower authorized to sign each Loan Document and the other
documents to be delivered hereunder.

                 (l)        Certified copies of the articles of incorporation
and bylaws of the Borrower, together with a good standing certificate, dated
not more than 30 days prior to the date hereof, from the appropriate state
official of any state in which the Borrower is incorporated or qualified to do
business; provided, however, that if the certificates of qualification are not
delivered on the date of Closing, the Borrower shall deliver such certificates
to the Agent as soon as possible thereafter and, in any event, no later than 30
days after such date of Closing.





                                      -24-
<PAGE>   28
                 (m)        A Borrowing Base Certificate, an Aging and an
Inventory schedule, all of which shall be of a current date and shall be in
form and substance satisfactory to the Banks.

                 (n)        A favorable opinion of McGuire Woods Battle &
Boothe, counsel for the Borrower, in form and substance acceptable to the
Banks.

                 (o)        That portion of the commitment fee required by
Section 2. 11 above, paid to the Agent for the ratable benefit of the Banks.

                 (p)        The Agent's fee required by the letter agreement
referenced in Section 3.2 above, paid to the Agent for the account of the
Agent.

                 (q)        Payment of all fees, costs and expenses related to
the Loans and the Loan Documents, including, but not limited to, the reasonable
fees and expenses of counsel to the Banks, provided that counsel fees and
expenses shall not exceed $20,000.

         SECTION 5.2        Conditions Precedent to Each Borrowing. The
obligation of each Bank to make a Loan and the obligation of the Agent to issue
any Letter of Credit shall be subject to the further conditions precedent that
on the date of such Loan or the issuance of any Letter of Credit:

                 (a)        The following statements shall be true:

                            (1)   The representations and warranties contained
in each Loan Document are correct on and as of the date of disbursement of such
Loan, before and after giving effect to such Loan and to the application of the
proceeds therefrom, as though made on and as of such date, and

                            (2)   No Default or Event of Default has occurred
and is continuing, or would result from such Loan or from the application of
the proceeds therefrom;

                 (b)        With respect to each Letter of Credit, the Borrower
shall have complied with the provisions of Section 2.3;

                 (c)        If required by the Banks, the Borrower shall have
delivered to the Agent a current Borrowing Base Certificate, duly executed by
the chief financial officer of the Borrower and appropriately completed, and a
current Aging; and

                 (d)        The Agent shall have received such other approvals,
opinions or documents as any Bank through the Agent may reasonably request, and
all legal matters incident to the Loans shall be satisfactory to counsel for
the Agent.





                                      -25-
<PAGE>   29
                                   ARTICLE 6
                         REPRESENTATIONS AND WARRANTIES

         SECTION 2          Representations and Warranties of the Borrower. The
Borrower represents and warrants as follows:

                 (a)        Incorporation, Good Standing. The Borrower is a
corporation duly organized, validly existing and in good standing under the
laws of the jurisdiction indicated at the beginning of this Agreement and is
duly qualified to transact business in each jurisdiction in which such
qualification is required. The Borrower has no Subsidiaries.

                 (b)        Corporate Power and Authority. The execution,
delivery and performance by the Borrower of each Loan Document are within the
Borrower's corporate powers, have been duly authorized by all necessary
corporate action, and do not contravene (1) the Borrower's charter or bylaws,
or (2) law or any contractual restriction binding on or affecting the Borrower,
and do not result in or require the creation of any lien, security interest or
other charge or encumbrance (other than pursuant hereto) upon or with respect
to any of its properties.

                 (c)        No Authorizations. No authorization or approval or
other action by, and no notice to or filing with, any governmental authority or
regulatory body or of stockholders is required for the due execution, delivery
and performance by the Borrower of any Loan Document.

                 (d)        Legally Enforceable Agreement. This Agreement is,
and each other Loan Document to which the Borrower will be a party when
delivered hereunder will be, legal, valid and binding obligations of the
Borrower, enforceable against the Borrower in accordance with their respective
terms.

                 (e)        Financial Statements. The balance sheets of the
Borrower as of September 30, 1994, and the related statements of income and
stockholders' equity of the Borrower for the fiscal year then ended, copies of
which have been furnished to each Bank, fairly present the financial condition
of the Borrower as of such date and the results of the operations of the
Borrower for the period ended on such date, all in accordance with GAAP, and
since September 30, 1994, there has been no material adverse change in such
condition or operations. The Banks acknowledge that the settlement of the class
action suit described in footnote 3 to the Borrower's September 30, 1994 annual
report for a payment of approximately $875,000 does not constitute a material
adverse change.

                 (f)        Litigation. Other than the actions or proceedings
listed on Schedule 2 attached to this Agreement, there is no pending or, to the
best of the Borrower's knowledge, threatened action or proceeding affecting the
Borrower before any court, governmental agency or arbitrator, that may
materially adversely affect the financial condition or operations





                                      -26-
<PAGE>   30
of the Borrower or that purports to affect the legality, validity or
enforceability of this Agreement or any Loan Document to which the Borrower is
a party.

                 (g)        Use of Proceeds. No proceeds of any Loan will be
used to acquire any equity security of a class which is registered pursuant to
Section 12 of the Securities Exchange Act of 1934.

                 (h)        Regulation U. The Borrower is not engaged in the
business of extending credit for the purpose of purchasing or carrying margin
stock (within the meaning of Regulation U issued by the Board of Governors of
the Federal Reserve System), and no proceeds of any Loan shall be used to
purchase or carry any margin stock or to extend credit to others for the
purpose of purchasing or carrying any margin stock.

                 (i)        Ownership and Liens. The Borrower has title to all
of its assets, including the Collateral, and none of the Collateral or such
assets is subject to any Lien, except such Liens as are permitted by this
Agreement.

                 (j)        ERISA. The Borrower has not incurred any material
"accumulated funding deficiency" within the meaning of Section 302 of ERISA or
Section 412 of the Code, nor has the Borrower incurred any material liability
to the PBGC in connection with any "employee pension benefit plan" (as defined
in Section 3(2) of ERISA) established or maintained by the Borrower. None of
the employee pension benefit plans (as defined above) of the Borrower, nor any
trusts created thereunder, nor any trustee or administrator thereof, has
engaged in a "prohibited transaction," as such term is defined in Section 406
of ERISA or Section 4975 of the Code, that could subject such plans or any of
them, any such trust, or any trustee or administrator thereof, or any party
dealing with such plans or any such trust to any material liability or tax or
penalty on prohibited transactions imposed by such Section Section 406 or 4975.
Neither the Borrower nor any Affiliate of the Borrower is now, or at any time
in the past has been, obligated to make contributions to a "multiemployer
plan," as such term is defined in Section 4001(a)(3) of ERISA.

                 (k)        Taxes. The Borrower has filed all tax returns
(federal, state and local) required to be filed and have paid all taxes,
assessments and governmental charges and levies shown thereon to be due,
including interest and penalties.

                 (l)        Debt. The Borrower is not in any manner directly or
contingently obligated with respect to any Debt that is not permitted by this
Agreement. The Borrower is not in default with respect to any Debt. The Debt of
the Borrower to Gateway, including, without limitation, ordinary trade accounts
payable, has been paid in full.

                 (m)        Debarment and Suspension. No event has occurred and
no condition exists that is likely to result in the debarment or suspension of
the Borrower from any contracting with the Government, and the Borrower has
not, nor has any Affiliate of the





                                      -27-
<PAGE>   31
Borrower, been subject to any such debarment or suspension prior to the date of
this Agreement.

                 (n)        Contract Breach. The Borrower is not in default in
any material respect under any contract, lease, loan agreement, indenture,
mortgage, security agreement or other material agreement or obligation to which
it is a party or by which any of its properties may be bound.

                 (o)        Intellectual Property. The Borrower does not own or
hold any registered copyright, patent or trademarks other than those acquired
by it in connection with the Artisoft Acquisition and those listed on Schedule
6.1(o) attached hereto.


                                   ARTICLE 7
                           COVENANTS OF THE BORROWER

         SECTION 7.1        Affirmative Covenants. So long as any Note shall
remain unpaid, any Letter of Credit is outstanding or any Bank shall have any
Commitment hereunder, the Borrower shall, unless the Banks shall otherwise
consent in writing:

                 (a)        Compliance with Laws. etc. Comply in all material
respects with all applicable laws, rules, regulations and orders, such
compliance to include, without limitation, paying before the same become
delinquent all taxes, assessments and governmental charges imposed upon it or
upon its property except to the extent contested in good faith.

                 (b)        Reporting Requirements. Furnish to the Banks:

                            (1)   As soon as available and, in any event,
within 45 days after the end of each of the first three quarters of each fiscal
year of the Borrower, unaudited financial statements consisting of a
consolidated balance sheet of the Borrower and its Subsidiaries as of the end
of such quarter, consolidated statements of operations and stockholders' equity
of the Borrower and its Subsidiaries for the period commencing at the end of
the previous fiscal year and ending with the last day of the preceding quarter,
all in reasonable detail and stating in comparative form the respective
consolidated figures for the corresponding date and period in the previous
fiscal year and all prepared in accordance with GAAP. Such statements shall be
accompanied by reports itemizing raw materials, work in process and finished
goods Inventory by division and revenues and gross profits by division. Such
financial statements and reports shall be certified to be accurate by the chief
financial officer of the Borrower;

                            (2)   As soon as available and, in any event,
within 90 days after the end of each fiscal year of the Borrower, audited
financial statements consisting of consolidated balance sheets of the Borrower
and its Subsidiaries as of the end of such fiscal year, and consolidated
statements of operation, stockholders' equity and cash flows of the Borrower
and its Subsidiaries for such fiscal year, all in reasonable detail and stating
in





                                      -28-
<PAGE>   32
comparative form the respective consolidated figures for the corresponding date
and period in the prior fiscal year and all prepared in accordance with GAAP.
The consolidated statements shall be accompanied by an opinion thereon
acceptable to the Banks of an independent certified public accounting firm
selected by the Borrower and acceptable to the Banks;

                            (3)   Promptly upon receipt thereof, copies of any
reports submitted to the Borrower or any Subsidiary by independent certified
public accountants in connection with examination of the financial statements
of the Borrower or any Subsidiary made by such accountants;

                            (4)   Promptly after the commencement thereof,
notice of all actions, suits and proceedings before any court or governmental
department, commission, board, bureau, agency or instrumentality, domestic or
foreign, affecting the Borrower or any Subsidiary, that, if determined
adversely to the Borrower or any such Subsidiary, could have a material adverse
effect on the financial condition, properties or operations of the Borrower or
such Subsidiary;

                            (5)   As soon as possible and, in any event, within
ten days after tie occurrence of each Default and Event of Default, a written
notice setting forth the details of such Default or Event of Default and the
action that is proposed to be taken by the Borrower with respect thereto;

                            (6)   Promptly after the sending or filing thereof,
copies of all proxy statements, financial statements and reports that the
Borrower or any Subsidiary sends to its stockholders, and copies of all
regular, periodic and special reports, and all registration statements that the
Borrower or any Subsidiary files with the Securities and Exchange Commission or
any governmental authority that may be substituted therefor, or with any
national securities exchange;

                            (7)   On or before the 20th day of each calendar
month, (i) an Aging as of the last day of the previous calendar month, (ii) a
report identifying, in sufficient detail for the Banks, all Inventory on hand
as of the end of the previous calendar month, (iii) a Borrowing Base
Certificate signed by the chief financial officer of the Borrower, (iv) such
other supporting documents to the schedules as either Bank from time to time
reasonably may request, and (v) such invoices, instruments, chattel paper and
other evidence of indebtedness representing any Accounts Receivable, duly
endorsed in blank or to the Banks, as the Banks may request;

                            (8)   Within 45 days after the end of each fiscal
quarter, a certificate of the chief financial officer of the Borrower to the
effect that no Default or Event of Default occurred during the prior quarter
and containing calculations of the financial covenants set forth in Section
7.3; and





                                      -29-
<PAGE>   33
                            (9)   Such other information respecting the
condition or operations, financial or otherwise, of the Borrower or any
Subsidiary as the Banks from time to time reasonably may request in writing.

                 (c)        Maintenance of Existence. Preserve and maintain its
corporate existence and good standing in the jurisdiction of its incorporation,
and qualify and remain qualified as a foreign corporation in each jurisdiction
in which such qualification is required.

                 (d)        Maintenance of Records. Keep, and cause each
Subsidiary to keep, adequate records and books of account, in which complete
entries will be made in accordance with GAAP, reflecting all financial
transactions of the Borrower and the Subsidiaries. The principal records and
books of account, including those concerning the Collateral, shall be kept at
the chief executive office of the Borrower described in Section 4(a) of the
Security Agreement.  The Borrower will not move such records and books of
account or change its chief executive office or the name under which it does
business without (1) giving the Agent at least 90 days' prior written notice,
and (2) executing and delivering financing statements satisfactory to the Banks
prior to such move or change.

                 (e)        Maintenance of Properties. Maintain, keep and
preserve, and cause each Subsidiary to maintain, keep and preserve, all of its
franchises, licenses and other properties (tangible and intangible) necessary
or useful in the proper conduct of its business in good working order and
condition, ordinary wear and tear excepted.

                 (f)        Maintenance of Insurance. Maintain, and cause each
Subsidiary to maintain, insurance with financially sound and reputable
insurance companies or associations in such amounts and covering such risks as
are usually carried by companies engaged in the same or a similar business and
similarly situated.

                 (g)        Right of Inspection. At any reasonable time and
from time to time, permit the Banks or any agent or representative of the Banks
to audit and verify the Collateral, examine and make copies of and abstracts
from the records and books of account of, and visit the properties of, the
Borrower and any Subsidiary, and to discuss the affairs, finances and accounts
of the Borrower and any Subsidiary with any of their respective officers and
directors and the Borrower's independent accountants. The Borrower shall
reimburse the Banks for any expenses incurred by the Banks in connection with
any audits.

                 (h)        Compliance with ERISA. With respect to any employee
benefit plan or plans covered by Title IV of ERISA, the Borrower will not
permit (1) any prohibited transaction or transactions under ERISA or the Code
that results, or may result, in liability to the Borrower exceeding in the
aggregate $500,000, or (2) any reportable event under ERISA if, upon
termination of the plan or plans with respect to which one or more such
reportable events shall have occurred, there is or would be any liability of
the Borrower to the PBGC exceeding in the aggregate $500,000. Neither the
Borrower nor any Affiliate of the Borrower shall adopt, establish or become a
party to any multiemployer plan.





                                      -30-
<PAGE>   34
                 (i)        Business Line. Remain in substantially the same
lines of business as those conducted on the date of this Agreement.

                 (j)        Primary Operating Account. Maintain the Primary
Operating Account with the Agent.

                 (k)        Post-Closing Conditions. If the conditions set
forth in Sections 5.1(c)(2), 5. 1(c)(3), 5.1(c)(5) and 5.1(f) are not satisfied
by the date of the Closing, the Borrower shall cause such conditions to be
satisfied within 30 days after the date of the Closing; provided, however, that
the Borrower shall provide to the Agent a copy of the KPMG Peat Marwick audit
letter obtained by the Borrower with respect to the assets acquired by the
Borrower in the Artisoft Acquisition within 60 days after the date of the
Closing.

         SECTION 7.2        Negative Covenants. So long as any Note shall
remain unpaid, any Letter of Credit remain outstanding or any Bank shall have
any Commitment hereunder, the Borrower shall not, without the written consent
of the Banks:

                 (a)        Liens, etc. Create, incur, assume or permit to
exist, or permit any Subsidiary to create, incur, assume or permit to exist,
any Lien upon or with respect to any of its properties, now owned or hereafter
acquired, except: (1) Liens in favor of the Agent for the ratable benefit of
the Banks; (2) Liens that are incidental to the conduct of the business of the
Borrower or any Subsidiary, are not incurred in connection with the obtaining
of credit and do not materially impair the value or use of assets of the
Borrower or any Subsidiary; (3) Liens on fixed assets in existence on the date
of this Agreement and described on Schedule 3 attached to this Agreement; (4)
Liens securing obligations of a Subsidiary to the Borrower or another
Subsidiary; and (5) purchase-money Liens, whether now existing or hereafter
arising (including those arising out of a Capital Lease) on any fixed assets
provided that (i) any property subject to a purchase-money Lien is acquired by
the Borrower or any Subsidiary in the ordinary course of its respective
business and the Lien on any such property is created contemporaneously with
such acquisition, (ii) each such Lien shall attach only to the property so
acquired, and (iii) the Debt secured by all such Liens shall not exceed
$1,000,000 at any time outstanding in the aggregate.

                 (b)        Debt. Create, incur, assume or permit to exist, or
permit any Subsidiary to create, incur, assume or permit to exist, any Debt,
except: (1) the Obligations; (2) Debt in existence on the date of this
Agreement and described on Schedule 4 attached to this Agreement; (3) Debt of
the Borrower subordinated to the Obligations on terms satisfactory to the
Banks; (4) Debt of any Subsidiary to the Borrower or another Subsidiary; (5)
ordinary trade accounts payable, excluding any trade accounts payable to
Gateway; and (6) Debt of the Borrower or any Subsidiary (including Debt arising
out of a Capital Lease) secured by purchase-money Liens permitted by this
Agreement.





                                      -31-
<PAGE>   35
                 (c)        Dividends, etc. Declare or pay any dividends; or
purchase, redeem, retire or otherwise acquire for value any of its capital
stock now or hereafter outstanding; or make any distribution of assets to its
stockholders as such whether in cash, assets or obligations of the Borrower; or
allocate or otherwise set apart any sum for the payment of any dividend or
distribution on, or for the purchase, redemption or retirement of, any shares
of its capital stock; or make any other distribution by reduction of capital or
otherwise in respect of any shares of its capital stock; or permit any of its
Subsidiaries to purchase or otherwise acquire for value any stock of the
Borrower or another Subsidiary, except that, subject to the compliance by the
Borrower with the provisions of Section 7.3 below, (1) the Borrower may declare
and deliver dividends and make distributions payable in common stock of the
Borrower, (2) the Borrower may purchase or otherwise acquire shares of its
capital stock by exchange for or out of the proceeds received from a
substantially concurrent issue of new shares of its capital stock, (3) any
Subsidiary may pay dividends to the Borrower or to another Subsidiary, and (4)
provided that no Default or Event of Default shall have occurred and be
continuing, or would occur after giving effect thereto, the Borrower may
purchase shares of its capital stock in an aggregate amount not to exceed,
during any fiscal year, the lesser of $1,000,000 or positive Net Income accrued
through the date of such purchase from the beginning of such fiscal year.

                 (d)        Mergers, etc. Merge or consolidate with any Person,
or permit any Subsidiary to do so, except (1) for Permitted Acquisitions, (2)
that any Subsidiary may merge into or transfer assets to the Borrower, and (3)
that any Subsidiary may merge into or consolidate with or transfer assets to
any other Subsidiary.

                 (e)        Sale and Leaseback. Sell, transfer or otherwise
dispose of, or permit any Subsidiary to sell, transfer or otherwise dispose of,
any real or personal property to any Person and thereafter, directly or
indirectly, lease back the same or similar property.

                 (f)        Sale of Assets. Sell, lease, assign, transfer or
otherwise dispose of, or permit any Subsidiary to sell, lease, assign, transfer
or otherwise dispose of, any of its now owned or hereafter acquired assets
(including, without limitation, shares of stock and indebtedness of
Subsidiaries, Receivables and leasehold interests), except: (1) for Inventory
sold or leased in the ordinary course of business; (2) the sale or other
disposition of assets no longer used or useful in the conduct of its business;
and (3) that any Subsidiary may sell, lease, assign or otherwise transfer its
assets to the Borrower.

                 (g)        Loans. Make or permit to exist, or permit any
Subsidiary to make or permit to exist, any loan or advance to any Person except
for (1) loans to employees, officers or directors of the Borrower or any
Subsidiary not exceeding $500,000 in the aggregate at any time outstanding and
(2) travel advances made in the ordinary course of business.

                 (h)        Guaranties, etc. Assume, guarantee, endorse or
otherwise be or become directly or contingently responsible or liable, or
permit any Subsidiary to assume, guarantee, endorse or otherwise be or become
directly or contingently responsible or liable





                                      -32-
<PAGE>   36
(including, but not limited to, any liability arising out of any agreement to
purchase any obligation, stock, assets, goods or services, or to supply or
advance any funds, assets; goods or services, or to maintain or cause such
Person to maintain a minimum working capital or net worth or otherwise to
assure the creditors of any Person against loss) for obligations of any Person,
or permit any such guaranties or liabilities to exist, except guaranties by
endorsement of negotiable instruments for deposit or collection or similar
transactions in the ordinary course of business.

                 (i)        Acquisitions. Except for Permitted Acquisitions,
the Borrower shall not purchase or acquire, or permit any Subsidiary to
purchase or acquire (1) all or substantially all of the assets of any Person,
or (2) any capital stock of or ownership interest in any other Person.

                 (j)        Transactions with Affiliates. Enter into any
transaction, including, without limitation, the purchase, sale or exchange of
property or the rendering of any service, with any Affiliate, or permit any
Subsidiary to enter into any transaction, including, without limitation, the
purchase, sale or exchange of property or the rendering of any service, with
any Affiliate, except in the ordinary course of and pursuant to the reasonable
requirements of the Borrower's or such Subsidiary's business and upon fair and
reasonable terms no less favorable to the Borrower or such Subsidiary than
would be applicable in a comparable arm's-length transaction with a Person not
an Affiliate.

         SECTION 7.3        Financial Covenants. So long as any Note shall
remain unpaid, any Letter of Credit remains outstanding or any Bank shall have
any Commitment hereunder, the Borrower shall maintain, unless the Banks shall
otherwise consent in writing:

                 (a)        Tangible Net Worth. As of the end of each fiscal
quarter of the Borrower, Tangible Net Worth of not less than (1) $10,500,000 as
of March 31, 1995, and June 30, 1995, (2) $21,000,000 as of September 30, 1995,
through and including the fiscal quarter ending on June 30, 1996, and (3)
$34,000,000 as of September 30, 1996, and for each fiscal quarter thereafter.

                 (b)        Leverage Ratio. As of the last day of each fiscal
quarter of the Borrower, a Leverage Ratio of not greater than (1) 5.25 to 1 as
of March 30, 1995 and June 30, 1995, (2) 2.75 to 1 as of September 30, 1995,
through and including the fiscal quarter ending on June 30, 1996, and (3) 2.0
to 1 as of September 30, 1996, and for each fiscal quarter thereafter.

                 (c)        Quick Ratio. As of the last day of each fiscal
quarter of the Borrower, a Quick Ratio of not less than l to 1.

                 (d)        Coverage Ratio. For the fiscal year ending on
September 30, 1995, and for each 12-month period ending on December 31, 1995,
March 31, 1996, and June 30, 1996, a Coverage Ratio of not less than 2 to 1,
and for each 12-month period ending on the





                                      -33-
<PAGE>   37
last day of each fiscal quarter thereafter of the Borrower, a Coverage Ratio of
not less than 3.50 to 1.


                                   ARTICLE 8
                         SUBSIDIARIES BECOMING BORROWER

         SECTION 8.1        Conditions Precedent. Each Subsidiary that is
formed or acquired after the date of this Agreement shall become jointly and
severally liable with the Borrower and the other Subsidiaries under this
Agreement and the other Loan Documents (provided that only the Borrower may
borrow hereunder), subject to the satisfaction of the following conditions
precedent:

                 (a)        The Subsidiary shall execute and deliver to the
Banks an Assumption Agreement.

                 (b)        No Default or Event of Default shall have occurred
and be continuing.

                 (c)        All legal matters incident to such Subsidiary
becoming a party to the Loan Documents shall be satisfactory to counsel for
each Bank, and the Subsidiary shall execute and deliver to the Banks such
additional documents and certificates relating to the Loans as the Banks
reasonably may request.

                 (d)        Each Bank shall have received an opinion of counsel
to the Subsidiary, addressed to the Agent, for the benefit of the Banks,
covering such matters as the Banks may request, in form and substance
satisfactory to the Banks.

                 (e)        Financing statements in form and substance
satisfactory to the Banks shall have been properly filed in each office where
necessary to perfect the security interest of the Banks in the Collateral of
the Subsidiary, termination statements shall have been filed with respect to
any other financing statements covering all or any portion of such Collateral
(except with respect to liens or security interests permitted by this
Agreement), all taxes and fees with respect to such recording and filing shall
have been paid by the Subsidiary and the Banks shall have received such lien
searches or reports as it shall require confirming that the foregoing filings
and recordings have been completed.

                 (f)        The Subsidiary shall have delivered the following
documents to the Banks, each of which shall be certified as of the date on
which the Subsidiary is to become a party to The Loan Documents, by the
secretary of the Subsidiary: (1) copies of evidence of all corporate actions
taken by the Subsidiary to authorize the execution and delivery of the
Assumption Agreement and the other Loan Documents; (2) copies of the articles
or certificate of incorporation and bylaws of the Subsidiary; and (3) a
certificate as to the





                                      -34-
<PAGE>   38
incumbency and signatures of the officers of the Subsidiary executing the
Assumption Agreement.

                 (g)        The Banks shall have received a certificate of good
standing (or similar instrument) issued by the appropriate state official of
the state of incorporation of the Subsidiary, dated within 30 days of the date
of the applicable Assumption Agreement.

                 (h)        The Banks shall have received an Aging, Borrowing
Base Certificate and Inventory schedule of the Subsidiary, together with any
other information and documents the Banks may reasonably request with respect
to the Collateral of the Subsidiary.

                 (i)        If required by the Banks, the Banks shall have
received a satisfactory examination of the Collateral and internal control
systems of the Subsidiary performed by the Commercial Finance Division of the
Agent.

                 (j)        If required by the Banks, they shall have received
a landlord waiver from each landlord of the Subsidiary, which shall be in form
and substance acceptable to the Banks.

         No Receivable or Inventory of a Subsidiary shall be included in the
Borrowing Base prior to the date on which all of the foregoing conditions are
satisfied.


                                   ARTICLE 9
                               EVENTS OF DEFAULT

         SECTION 9.1        Events of Default. If any of the following events
("Events of Default") shall occur and be continuing:

                 (a)        Failure of the Borrower to pay any Obligation to
the Agent or the Banks, as applicable, including, without limitation, the
principal of or interest on the Notes, LC Agreements or any of the Loans, when
the same shall become due and payable, whether at maturity, as a result of the
Agent's demand for payment or otherwise, and such failure shall continue for a
period of ten days after written notice from the Agent to the Borrower
specifying such failure; or

                 (b)        If the Borrower refuses to permit any Bank to
inspect, examine, verify or audit the Collateral in accordance with the
provisions of this Agreement; or

                 (c)        Failure of the Borrower to perform or observe any
other term, condition, covenant, warranty, agreement or other provision
contained in this Agreement or any other Loan Document (except any such failure
resulting in the occurrence of another Event of Default described in this
Section), within 30 days after receipt of notice from the Agent specifying such
failure; or





                                      -35-
<PAGE>   39
                 (d)        Discovery that any representation or warranty made
or deemed made by the Borrower in this Agreement or any statement or
representation made in any certificate, report or opinion delivered pursuant to
this Agreement (including any Borrowing Base Certificate) or in connection with
any borrowing under this Agreement was materially untrue or is breached in any
material respect; or

                 (e)        If, as a result of default, any other obligation of
the Borrower or any Subsidiary for the payment of any Debt in excess of
$250,000 becomes or is declared to be due and payable prior to the expressed
maturity thereof, unless and to the extent that the declaration is being
contested in good faith in a court of appropriate jurisdiction; or

                 (f)        The Borrower makes an assignment for the benefit of
creditors, files a petition in bankruptcy, petitions or applies to any tribunal
for any receiver or any trustee of the Borrower or any substantial part of its
property, or commences any proceeding relating to the Borrower under any
reorganization, arrangement, readjustments of debt, dissolution or liquidation
law or statute of any jurisdiction, whether now or hereafter in effect; or

                 (g)        If, within 60 days after the filing of a bankruptcy
petition or the commencement of any proceeding against the Borrower seeking any
reorganization, arrangement, composition, readjustment, liquidation,
dissolution or similar relief under any present or future statute, law or
regulation, the proceeding shall not have been dismissed, or, if, within 60
days after the appointment, without the consent or acquiescence of the
Borrower, of any trustee, receiver or liquidator of the Borrower or of all or
any substantial part of the properties of the Borrower, the appointment shall
not have been vacated; or

                 (h)        Any judgment against the Borrower in excess of
$500,000 or any attachment in excess of $1,000,000 against any property of the
Borrower that remains unpaid, undischarged, unbonded or undismissed for a
period of 30 days, unless and to the extent that the judgment or attachment is
appealed in good faith in a court of higher jurisdiction and the appeal remains
pending; or

                 (i)        If any one or more of the Borrower's license
agreements with Novell, Inc. representing in the aggregate more than 30% of
Novell, Inc. related revenues of the Borrower for the fiscal year most recently
ended, is canceled and the Banks determine that the Borrower will be materially
and adversely affected by such cancellation; or

                 (j)        A material adverse change occurs in the financial
or business condition of the Borrower; or

                 (k)        The dissolution, liquidation or termination of
existence of the Borrower; or

                 (l)        If the Borrower fails to give the Banks any notice
required by this Agreement within ten days after the occurrence of the event
giving rise to the obligation to





                                      -36-
<PAGE>   40
give such notice, provided that such failure to give notice shall not
constitute an Event of Default if the applicable Event of Default or breach is
cured within any grace period that otherwise would have been applicable had the
notice been timely given; or

                 (m)        If any of the following events shall occur or
exists with respect to the Borrower or any employee benefit or other plan
established, maintained or to which contributions have been made by the
Borrower, any Affiliate of the Borrower or any other Person that, together with
the Borrower, would be treated as a single employer under Section 4001 of
ERISA, and the Banks reasonably determine that the financial condition of the
Borrower would be materially and adversely affected thereby: (1) any prohibited
transaction (as defined in Section 406 of ERISA or Section 4975 of the Code),
(2) any reportable event (as defined in Section 4043 of ERISA and the
regulations issued thereunder), (3) the filing under Section 4041 of ERISA of a
notice of intent to terminate any such plan or the termination of such plan, or
(4) the institution of proceedings by the PBGC under Section 4042 of ERISA for
the termination of, or the appointment of a trustee to administer, any such
plan; or

                 (n)        The occurrence of an event of default under any
other Loan Document; or

                 (o)        If the Borrower or any of its Affiliates shall be
debarred or suspended from any contracting with the Government; or

                 (p)        The Security Agreement after delivery thereof
pursuant to Section 5. 1(c) shall for any reason (other than pursuant to the
terms thereof) cease to create a valid and perfected first priority security
interest in any of the Collateral purported to be covered thereby or if any
Loan Document ceases to be in full force and effect; then, and in any such
event, the Agent (1) shall at the request of either Bank, by notice to the
Borrower, declare the obligation of each Bank to make Advances or of the Agent
to issue any Letter of Credit to be terminated, whereupon the same shall
forthwith terminate, and (2) shall at the request of either Bank, by notice to
the Borrower, declare the Notes, the Loans and all other Obligations, all
interest thereon and all other amounts payable under this Agreement, to be
forthwith due and payable, whereupon the Obligations, all such interest and all
such amounts shall become and be forthwith due and payable, without
presentment, demand, protest or further notice of any kind, all of which are
hereby expressly waived by the Borrower; provided, however, that if an Event of
Default occurs under Sections 9. 1(f) or 9.1(g) above, (i) the obligation of
each Bank to make Advances or of the Agent to issue any Letter of Credit shall
automatically be terminated, and (ii) the Obligations, all such interest and
all such amounts shall automatically become and be due and payable, without
presentment, demand, protest or any notice of any kind, all of which are hereby
expressly waived by the Borrower. After the occurrence of an Event of Default,
the Agent may require the Borrower to pay, and the Borrower agrees to pay, to
the Agent an amount of cash equal to the aggregate amount of the Letters of
Credit then outstanding, and any amounts paid by the Borrower shall be held by
the Agent in a cash collateral account for the benefit of the Banks,





                                      -37-
<PAGE>   41
over which the Agent shall have the exclusive power of withdrawal, as security
for the Obligations arising out of the Letters of Credit and the LC Agreements.


                                   ARTICLE 10
                                   THE AGENT 

         SECTION 10.1       Authorization and Action. Each Bank hereby appoints
and authorizes the Agent to take such action as agent on its behalf and to
exercise such powers under this Agreement as are delegated to the Agent by the
terms hereof, together with such powers as are reasonably incidental thereto.
As to any matters not expressly provided for by this Agreement (including,
without limitation, enforcement or collection of the Notes), the Agent shall
not be required to exercise any discretion or take any action, but shall be
required to act or to refrain from acting (and shall be fully protected in so
acting or refraining from acting) upon the instructions of the Banks, and such
instructions shall be binding upon all Banks and all holders of Notes;
provided, however, that the Agent shall not be required to take any action that
exposes the Agent to personal liability or that is contrary to this Agreement,
any other Loan Document or applicable law. The Agent agrees to give to each
Bank prompt notice of each notice given to it by the Borrower pursuant to the
terms of this Agreement.

         SECTION 10.2       Agent's Reliance, etc. Neither the Agent nor any of
its directors, officers, agents or employees shall be liable for any action
taken or omitted to be taken by it or them under or in connection with this
Agreement, except for its or their own gross negligence or willful misconduct.
Without limitation of the generality of the foregoing, the Agent: (1) may treat
the payee of any Note as the holder thereof; (2) may consult with legal counsel
(including counsel for the Borrower), independent public accountants and other
experts selected by it and shall not be liable for any action taken or omitted
to be taken in good faith by it in accordance with the advice of such counsel,
accountants or experts; (3) makes no warranty or representation to any Bank and
shall not be responsible to any Bank for any statements, warranties or
representations (whether written or oral) made in or in connection with this
Agreement; (4) shall not have any duty to ascertain or to inquire as to the
performance or observance of any of the terms, covenants or conditions of this
Agreement on the part of the Borrower or to inspect the property (including the
books and records) of the Borrower; (5) shall not be responsible to any Bank
for the due execution, legality, validity, enforceability, genuineness,
sufficiency or value of this Agreement or any other instrument or document
furnished pursuant hereto; and (6) shall incur no liability under or in respect
of this Agreement by acting upon any notice, consent, certificate or other
instrument or writing (which may be by telecopier, telegram, cable or telex)
reasonably believed by it to be genuine and signed or sent by the proper party
or parties.

         SECTION 10.3       Crestar and Affiliates. With respect to its Advance
Commitment or Term Loan Commitment, the Advances made by it, the Notes issued
to it and the Obligations due to it, Crestar shall have the same rights and
powers under this Agreement as any other





                                      -38-
<PAGE>   42
Bank and may exercise the same as though it were not the Agent, and the term
"Bank" or "Banks" shall, unless otherwise expressly indicated, include Crestar
in its individual capacity. Crestar and its affiliates may accept deposits
from, lend money to, act as trustee under indentures of, and generally engage
in any kind of business with, the Borrower and any Person who may do business
with or own common stock of the Borrower, all as if Crestar were not the Agent
and without any duty to account therefor to the Banks.

         SECTION 10.4       Bank Credit Decision. Each Bank acknowledges that
it has, independently and without reliance upon the Agent or any other Bank and
based on the financial statements referred to in Section 6. 1(e) and such other
documents and information as it has deemed appropriate, made its own credit
analysis and decision to enter into this Agreement. Each Bank also acknowledges
that it will, independently and without reliance upon the Agent or any other
Bank and based on such documents and information as it shall deem appropriate
at the time, continue to make its own credit decisions in taking or not taking
action under this Agreement.

         SECTION 10.5       Indemnification. The Banks agree to indemnify the
Agent (to the extent not reimbursed by the Borrower), ratably according to the
respective principal amounts of the Notes then held by each of them (or if no
Notes are at the time outstanding or if any Notes are held by Persons that are
not Banks, ratably according to the respective amounts of their Advance
Commitments or Term Loan Commitments), from and against any and all
liabilities, obligations, losses, damages, penalties, actions, judgments,
suits, costs, expenses or disbursements of any kind or nature whatsoever that
may be imposed on, incurred by, or asserted against the Agent in any way
relating to or arising out of this Agreement or any action taken or omitted by
the Agent under this Agreement, provided that no Bank shall be liable for any
portion of such liabilities, obligations, losses, damages, penalties, actions,
judgments, suits, costs, expenses or disbursements resulting from the Agent's
gross negligence or willful misconduct. Without limitation of the foregoing,
each Bank agrees to reimburse the Agent promptly upon demand for its ratable
share of any out-of-pocket expenses (including counsel fees) incurred by the
Agent in connection with the preparation, execution, delivery, administration,
modification, amendment or enforcement (whether through negotiations, legal
proceedings or otherwise) of, or legal advice in respect of rights or
responsibilities under, this Agreement, to the extent that the Agent is not
reimbursed for such expenses by the Borrower.

         SECTION 10.6       Successor Agent. The Agent may resign at any time
by giving written notice thereof to the Banks and the Borrower.  Upon any such
resignation, the Banks shall have the right to appoint a successor Agent. If no
successor Agent shall have been so appointed by the Banks, and shall have
accepted such appointment, within 30 days after the retiring Agent's giving of
notice of resignation, then the retiring Agent, on behalf of the Banks, may
appoint a successor Agent, which shall be a commercial bank organized under the
laws of the United States of America or of any State thereof and having a
combined capital and surplus of at least $50,000,000. Upon the acceptance of
any appointment as Agent hereunder by a successor Agent, such successor Agent
shall thereupon succeed to and





                                      -39-
<PAGE>   43
become vested with all the rights, powers, privileges and duties of the
retiring Agent, and the retiring Agent shall be discharged from its duties and
obligations under this Agreement. After any retiring Agent's resignation
hereunder as Agent, the provisions of this Article 10 shall inure to its
benefit as to any actions taken or omitted to be taken by it while it was Agent
under this Agreement.

         SECTION 10.7       Borrower's Reliance. The Borrower shall be entitled
to rely upon written confirmation from the Agent as to the consent of the Banks
to any action by the Borrower for which such consent is required.


                                   ARTICLE 11
                                 MISCELLANEOUS 

         SECTION 11.1       Amendments. etc. No amendment or waiver of any
provision of this Agreement, the Notes or any Loan Document, nor consent to any
departure by the Borrower therefrom, shall in any event be effective unless the
same shall be in writing and signed by the Banks, and then such waiver or
consent shall be effective only in the specific instance and for the specific
purpose for which given; and provided, that no amendment, waiver or consent
shall, unless in writing and signed by the Agent in addition to the Banks,
affect the rights or duties of the Agent under this Agreement, any Note or any
other Loan Document.

         SECTION 11.2       Notices. etc. All notices and other communications
provided for hereunder shall be in writing (including telecopier, telegraphic,
telex or cable communication) and mailed, telecopied, telegraphed, telexed,
cabled or delivered by hand or sent, prepaid, by Federal Express (or a
comparable overnight delivery service), if to the Borrower, at its address at
3601 Eisenhower Avenue, Alexandria, Virginia 22304, Attention: Philip T.
Cunningham; if to any Bank or to the Agent, at its Applicable Lending Office
specified opposite its name on Schedule 1 hereto; or, as to each party, at such
other address as shall be designated by such party in a written notice to the
other parties. Any such notice or other communication, when mailed, telecopied,
telegraphed, telexed, cabled, delivered by hand or sent overnight, shall be
effective on the earliest of (a) the date it is actually received or
telecopied, telexed (confirmed by telex answerback), or delivered by hand, (b)
the Business Day after the day on which it is properly delivered to a telegraph
or cable company or to Federal Express (or a comparable overnight delivery
service), as applicable, or (c) the third Business Day after the day on which
it is deposited in the United States mail, except that notices and
communications to the Agent pursuant to Article 2 or 10 shall not be effective
until received by the Agent.


         SECTION 11.3       No Waiver: Remedies. No failure on the part of any
Bank or the Agent to exercise, and no delay in exercising, any right under any
Loan Document shall operate as a waiver thereof; nor shall any single or
partial exercise of any such right





                                      -40-
<PAGE>   44
preclude any other or further exercise thereof or the exercise of any other
right. The remedies herein provided are cumulative and not exclusive of any
remedies provided by law.

         SECTION 11.4       Captions. The captions of the various sections and
paragraphs of this Agreement have been inserted only for the purposes of
convenience; such captions are not a part of this Agreement and shall not be
deemed in any manner to modify, explain, enlarge or restrict any of the
provisions of this Agreement.

         SECTION 11.5       Survival of Agreements. All agreements,
representations and warranties made herein shall survive the delivery of this
Agreement and the making and renewal of the Loans hereunder.

         SECTION 11.6       Costs Expenses and Taxes.

                 (a)        The Borrower agrees (1) to pay or reimburse each
Bank on demand for all its costs and expenses incurred in connection with the
preparation, execution and delivery of, and any amendment, supplement or
modification to, the Loan Documents and any other documents prepared in
connection herewith or therewith, and the consummation of the transactions
contemplated hereby and thereby, including, without limitation, the reasonable
fees and disbursements of counsel to the Agent; (2) to pay or reimburse the
Agent and each Bank for all of their respective costs and expenses incurred in
connection with the enforcement or preservation of any rights under the Loan
Documents and any such other documents, including, without limitation,
reasonable fees and disbursements of counsel to the Agent and each Bank; (3) to
pay, indemnify and hold each Bank and the Agent harmless from any and all
recording and filing fees and any and all liabilities with respect to, or
resulting from any delay in paying, stamp, excise and other taxes, if any, that
may be payable or determined to be payable in connection with the execution and
delivery or consummation of any of the transactions contemplated by, or any
amendment, supplement or modification to, or any waiver or consent under or in
respect of, the Loan Documents and any such other documents; and (4) to pay,
indemnify and hold each Bank and the Agent harmless from and against any and
all other liabilities, obligations, losses, damages, penalties, actions,
judgements, suits, costs, expenses or disbursements of any kind or nature
whatsoever arising out of or relating to the making or maintaining of the Loans
or the issuance of any Letter of Credit, or the enforcement, performance and
administration of the Loan Documents and any such other documents, or expenses
or other liabilities arising out of any bankruptcy or insolvency proceeding of
the Borrower (all of the foregoing, collectively, the "indemnified
liabilities"), provided, that the Borrower shall not have any obligations
hereunder to the Agent or any Bank with respect to indemnified liabilities
arising from the gross negligence or willful misconduct of the Agent or any
such Bank. The agreements in this Section 11.6(a) shall survive repayment of
the Notes and all other Obligations.

                 (b)        If any payment of principal of, or conversion of,
any Eurodollar Rate Loan is made other than on the last day of an Interest
Period relating to such Loan, as a result of a payment or conversion pursuant
to Section 2. 13 or acceleration of the maturity of





                                      -41-
<PAGE>   45
the Notes pursuant to Article 9 or for any other reason, the Borrower shall,
upon demand by any Bank (with a copy of such demand to the Agent), pay to the
Agent for the account of such Bank any amounts required to compensate such Bank
for any additional losses, costs or expenses that it may reasonably incur as a
result of such payment or conversion, including, without limitation, any loss
(including loss of anticipated profits), cost or expense incurred by reason of
the liquidation or reemployment of deposits or other funds acquired by such
Bank to fund or maintain such Loan. Such amounts shall be equal to the present
value of the difference between (1) the amount that would have been realized by
the applicable Bank for the remaining term of the applicable Interest Period on
such Eurodollar Rate Loan, and (2) any lesser amount that would be realized by
such Bank by reinvesting the prepaid funds in a United States Treasury security
with a maturity most closely equal to, but not longer than, the remaining term
of the applicable Interest Period. The foregoing difference shall be discounted
to its present value at a discount rate equal to the rate of interest being
paid on the selected United States Treasury security. The Bank shall provide
the Borrower with a statement explaining the calculation of any prepayment
premium due, which statement, in the absence of manifest error, shall be
conclusive and binding. The Borrower may prepay any Eurodollar Rate Loan
without premium or penalty if such prepayment is made on the last day of the
applicable Interest Period and otherwise in accordance with the terms of this
Agreement.

         SECTION 11.7       Right of Set-off. Upon (a) the failure of the
Borrower to make any payment owed to the Banks when due under any Loan Document
or (b) the occurrence and during the continuance of any Event of Default and
the making of the request or the granting of the consent specified by Section
9. 1 to authorize the Agent to declare the Obligations due and payable pursuant
to the provisions of Section 9.1, each Bank is hereby authorized at any time
and from time to time, to the fullest extent permitted by law, to set off and
apply any and all deposits (general or special, time or demand, provisional or
final) at any time held and other indebtedness at any time owing by such Bank
to or for the credit or the account of the Borrower against any and all of the
obligations of the Borrower now or hereafter existing under any Loan Document,
whether or not such Bank shall have made any demand under this Agreement or any
such Loan Document and although such obligations may be unmatured. Each Bank
agrees promptly to notify the Borrower after any such set-off and application
made by such Bank, provided that the failure to give such notice shall not
affect the validity of such set-off and application. The rights of each Bank
under this Section are in addition to other rights and remedies (including,
without limitation, other rights of set-off) that such Bank may have.

         SECTION 11.8       Waiver. THE BORROWER EXPRESSLY WAIVES ITS RIGHT TO
A TRIAL BY JURY WITH RESPECT TO ANY LITIGATION OR OTHER DISPUTE RELATING TO
THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT.

         SECTION 11.9       Severability. If any provision of any Loan Document
is held to be illegal, invalid or unenforceable under present or future laws
during the term of this Agreement, such provision shall be fully severable,
such Loan Document shall be construed





                                      -42-
<PAGE>   46
and enforced as if such illegal, invalid or unenforceable provision had never
comprised a part of such Loan Document, and the remaining provisions of such
Loan Document shall remain in full force and effect and shall not be affected
by the illegal, invalid or unenforceable provision or by its severance from
such Loan Document.

         SECTION 11.10      Entire Agreement. Except for the other Loan
Documents expressly referred to herein, this Agreement represents the entire
agreement between the Banks, the Agent and the Borrower, supersedes all prior
commitments and may be modified only by an agreement in writing.

         SECTION 11.11      Binding Effect. This Agreement shall be binding
upon and inure to the benefit of the Borrower, the Agent and each Bank and
their respective successors and assigns, except that no party shall have the
right to assign its rights hereunder or any interest herein without the prior
written consent of the other parties.

         SECTION 11.12      Governing Law. This Agreement, the Notes and each
Loan Document shall be governed by, and construed in accordance with, the laws
of the Commonwealth of Virginia, without reference to conflict of laws
principles.

         SECTION 11.13      Consent to Jurisdiction. Each party to this
Agreement hereby irrevocably submits generally and unconditionally for itself
and in respect of its property to the jurisdiction of the Circuit Court for
Fairfax County, Virginia, or the United States District Court for the Eastern
District of Virginia, Alexandria Division, over any suit, action or proceeding
arising out of or relating to this Agreement, any Loan Document or the
Obligations. Each party to this Agreement hereby irrevocably waives, to the
fullest extent permitted by law, any objection that it may now or hereafter
have to the laying of venue in any such court and any claim that any such court
is an inconvenient forum. The Borrower hereby agrees and consents that, in
addition to any methods of service of process provided for under applicable
law, all service of process in any such suit, action or proceeding in the
courts designated above may be made by certified or registered mail, return
receipt requested, directed to the Borrower at its address for notice stated in
Section 11.2 above, or at a subsequent address of which the Agent received
actual notice from the Borrower in accordance with the terms hereof, and
service so made shall be complete five days after the same shall have been so
mailed. The foregoing provisions shall not limit the right of any Bank, the
Agent or any other party hereto to serve process in any other manner permitted
by law or limit the right of any Bank or the Agent or other party hereto to
bring any suit, action or proceeding or to obtain execution on any judgment
rendered in any suit, action or proceeding in any other appropriate
jurisdiction or in any other manner.

         SECTION 11.14      Execution in Counterparts. This Agreement may be
executed in any number of counterparts and by different parties hereto in
separate counterparts, each of which when so executed shall be deemed to be an
original and all of which taken together shall constitute one and the same
agreement.

                         [SIGNATURES ON FOLLOWING PAGE]





                                      -43-
<PAGE>   47
         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
be executed by their respective officers thereunto duly authorized, as of the
date first above written.



                          BORROWER:
                          -------- 
                          
                          MICRODYNE CORPORATION, a Maryland corporation
                          
                          
                          By:\s\ Christopher M. Maginniss    
                             --------------------------------------------------
                          Name:  Christopher M. Maginniss                      
                               ------------------------------------------------
                          Title: Executive Vice President                      
                                -----------------------------------------------
                          
                          
                          AGENT:
                          ----- 
                          
                          CRESTAR BANK
                          
                          
                          By: \s\ Diane D. Taylor                              
                             --------------------------------------------------
                                           Diane D. Taylor
                                           Senior Vice President
                          
                          
                          BANKS:
                          ----- 
                          
                          CRESTAR BANK
                          
                          
                          By: \s\ Diane D. Taylor                              
                             --------------------------------------------------
                                           Diane D. Taylor
                                           Senior Vice President
                          
                          
                          NBD BANK
                          
                          
                          By:                                                  
                             --------------------------------------------------
                          Name:                                                
                               ------------------------------------------------
                          Title:                                               
                                -----------------------------------------------






                                      -44-
<PAGE>   48
                                   SCHEDULE 1

                             MICRODYNE CORPORATION


                                Credit Agreement


<TABLE>
<CAPTION>
Name of Bank                               Applicable Lending Office
- ------------                               -------------------------
<S>                                        <C>
Crestar Bank                               8245 Boone Boulevard
                                           Suite 300
                                           Vienna, Virginia 22182-3871


NBD Bank                                   611 Woodward Avenue
                                           Detroit, Michigan 48226
</TABLE>
<PAGE>   49
                                   SCHEDULE 2

                        PENDING OR THREATENED LITIGATION

<TABLE>
 <S>                                                                                      <C>
 MALONE VS. MICRODYNE (CLASS ACTION SUIT)                                                 AKIN GUMP STRAUSS HAUER & FELD
          (SETTLEMENT PENDING)


 RUSSEL VS. MICRODYNE (ALLEGED DISCRIMINATION)                                            LATHAM & WATKINS

 BUADD VS. MICRODYNE (ALLEGED WRONGFUL TERMINATION)                                       LATHAM & WATKINS


 ELTECH VS. MICRODYNE (CONTENDS DAMAGES RELATED TO CANCELLATION OF CERTAIN PURCHASE       MCGUIRE, WOODS, BATTLE & BOOTHE, L.L.P.
 ORDERS BY MICRODYNE)
</TABLE>
<PAGE>   50
                                   SCHEDULE 3


                               OUTSTANDING LIENS


                                    - None -
<PAGE>   51
                                   SCHEDULE 4


                                OUTSTANDING DEBT
                    MARION INDUSTRIAL DEVELOPMENT AUTHORITY

                      INDUSTRIAL DEVELOPMENT REVENUE BONDS
                                  SERIES 1985

                         DEBTOR: MICRODYNE CORPORATION

                             TRUSTEE:  BARNETT BANK

                            DATED:  NOVEMBER 1, 1985

                 CURRENT VALUE:  $353,000 @ SEPTEMBER 30, 1994
<PAGE>   52
                                SCHEDULE 6.1(o)

                      Patents, Trademarks and Trade Names


(1)      United States - Reg. No. 1,734,591
         Certificate of Registration - U.S. Patent and Trademark Office for the
         mark Eagle Technology and Design
         Effective: November 24, 1992

(2)      Benelux - Reg. No. 515672
         Eagle Technology and Design
         Effective: April 2, 1992

(3)      Int. Cl.: 9

         Prior  U.S. Cl.: 26

<TABLE>
         <S>                                                <C>
         United States Patent and Trademark Office          Reg. No. 1,787,902
                                                            Registered Aug. 17, 1993
         ---------------------------------------------------------------------------
</TABLE>

                                   TRADEMARK
                               PRINCIPAL REGISTER

                                   MICRODYNE

<TABLE>
 <S>                                                     <C>
 MICRODYNE CORPORATION (MARYLAND CORPORATION)            MODEMS, AUDIO DEMODULATORS, DATE ANALYSIS RECEIVERS,
 207 S. PEYTON STREET                                    TUNERS, ANTENNAS AND DOWN CONVERTORS, IN CLASS 9
 ALEXANDRIA, VA  22314                                   (U.S. CL. 26).

 FOR:  TELEMETRY EQUIPMENT:  NAMELY, WIDE BAND                   FIRST USE 9-30-1989; IN COMMERCE 10-311989.
 DISCRIMINATORS, SIGNAL GENERATORS, DIVERSITY
 COMBINERS, TELEMETRY RECEIVERS, DEMODULATORS, AND               OWNER OF U.S. REG. NO. 1,218,264
 SIGNAL SIMULATORS; SATELLITE SYSTEMS EQUIPMENT:
 NAMELY, MODULATORS, VIDEO RECEIVERS, TELEVISION                 SER. NO. 74-160.838, FILED 3-27-1992.
 RECEIVERS, VIDEO RECEIVING TERMINALS,
                                                         TODD BRAVERMAN, EXAMINING ATTORNEY
</TABLE>
<PAGE>   53
(4)      Int. Cl.: 9

         Prior  U.S. Cls.: 26  and 38

<TABLE>
         <S>                                                <C>
         United States Patent and Trademark Office          Reg. No. 1,755,025
                                                            Registered Mar. 2, 1993 
         ---------------------------------------------------------------------------
</TABLE>

                                   TRADEMARK
                               PRINCIPAL REGISTER

                                   MICRODYNE

<TABLE>
 <S>                                                     <C>
 MICRODYNE CORPORATION (MARYLAND CORPORATION)                    FIRST USE 7-15-1991.  IN COMMERCE 8-1-1991.
 207 S. PEYTON STREET
 ALEXANDRIA, VA  22314                                           OWNER OF U.S. REG. NO. 1,218,264

 FOR:  COMPUTER HARDWARE AND COMPUTER OPERATING                  SER. NO. 74-260.839, FILED 3-27-1992.
 SOFTWARE FOR USE IN LOCAL AREA NETWORKS, IN CLASS 9
 (U.S. CLS. 26 AND 38).                                  TODD BRAVERMAN, EXAMINING ATTORNEY
</TABLE>
<PAGE>   54
                                   EXHIBIT A(1)

                          ACCEPTABLE FOREIGN CUSTOMERS


<TABLE>
         <S>                                                <C>
         3C COMPLETE COMPUTER COMSULTING                    CANADA
         A-LINE TECHNOLOGIES B.V.                           NETHERLANDS
         ABC DATA SP. Z.O.O.                                POLAND
         ABCOM INFORMATICA LTDA                             BRAZIL
         ABM DATA SYSTEMS (PRIVATE)LTD                      PAKISTAN
         ACTEBIS COMPUTER GMBH                              GERMANY
         ADCOMP AG                                          SWITZERLAND
         ADCOMP DATA SYSTEMS NL                             THE NETHERLANDS
         ADVANCED COMPUTER TECHNOLOGY                       GIZA-EGYPT
         AGRICULTURE OF CANADA                              CANADA
         AKAM DATA B.V.                                     THE NETHERLANDS
         AKAM ELECTRONICS N.V.                              BELGIUM
         ALGOL S.P.A.                                       ITALY
         ALGOSYSTEMS S.A.                                   GREECE
         AMA (UK) LIMITED                                   ENGLAND
         AMASIA TRADING CO LTD                              JAPAN
         AMERICAN COMPUTER CORPORATION                      SAUDI ARABIA
         ARMADA BILGISAYAR LTD                              TURKEY
         ARNALDO C CASTRO SA                                URUGUAY
         ASCOM ELCOMA AG                                    SWITZERLAND
         ASIAN COMPUTER SERVICES                            SINGAPORE
         AUTOMATED SYSTEMS LTD                              KENYA
         AVENOR INC                                         CANADA
         AZCOM INFORMATION SYSTEM INC.                      CANADA
         AZLAN                                              ENGLAND
         BELL NORTHERN RESEARCH                             CANADA
         BGS-DAUSTRAB LTD. SLOVAKIA                         SLOVAKIA
         CANON SALES COMPANY INC.                           JAPAN
         CENTER REINSURANCE                                 BERMUDA
         CENTERA PTY LIMITED                                SOUTH AFRICA
         CHEK-TRAC                                          CANADA
         CHINATEK TECHNOLOGY LTD                            HONG KONG
         CIBERTEC DATA                                      PERU
         CIENTEC S.A.                                       CHILE
         CITY OF NORTH YORK                                 CANADA
         COM TECH COMMUNICATIONS PTY LT                     AUSTRALIA
         COMICRO NETSYS AG                                  SWITZERLAND
         COMMON SENSE CONSULTING                            CANADA
         COMMUNICATIONS AND INTERFACE                       KOREA
         COMPIDEA LTD                                       LITHUANIA
         COMPU-SHACK ELECTRONIK GMBH                        GERMANY
         COMPUDATA B.V.                                     THE NETHERLANDS
         COMPULINK SA                                       FRANCE
         COMPUMATIX SARL                                    LEBANON
         COMPUTACION BKO                                    ARGENTINA
</TABLE>






   
                                     
- --------------------

    (1)  Acceptable Foreign Customers include only those entities and
countries listed above, or Customers whose obligations under
Receivables are backed by the full faith and credit of the
countries listed above, and do not include any other corporations or
entities organized and existing under the laws of such
countries.


                                      A-1
<PAGE>   55
<TABLE>
         <S>                                                <C>
         COMPUTER 2000 et al.                               SWITZERLAND
         COMPUTER DATA NETWORKS                             DUBAI
         COMPUTER SOLUTIONS LTD                             MALTA
         COMPUTERS & PERIPHERALS                            HONG KONG
         CONEXUS PTY LIMITED                                AUSTRALIA
         CONSORCIO RED UNO, S.A. DE CV                      MEXICO D.F.
         COPACT CO. LTD.                                    POLAND
         CORNERSTONE SWEDEN A.B.                            SWEDEN
         COSAPI DATA                                        PERU
         DATA CONSTRUCTION/NORDIC LAN                       SWEDEN
         DATAGUILD LTD-DATAGUILD HOUSE                      ENGLAND
         DATAMATIC                                          AUSTRALIA
         DATATECH                                           CANADA
         DATAWAVE SA GENEVA                                 SWITZERLAND
         DATELCOM                                           THE NETHERLANDS
         DAUSTRAB CONSULTING GMBH                           AUSTRIA
         DCA                                                IRELAND
         DELTA DATA SYSTEMS                                 CANADA
         DELTAX SYSTEMS                                     CZECHOSLOVAKIA
         DEVRY INSTITUTE OF TECHNOLOGY                      CANADA
         DIGITAL PRO INC.                                   MANILA
         DIODE ESPANA S.A.                                  SPAIN
         ELCO TECHNOLOGY LTD                                RUSSIA
         EQUATORIAL CANADA INC                              CANADA
         ERIK WESTERBERG NS                                 DENMARK
         EUROCOM                                            U.A.E.
         EXPANDER INFORMATIC GROUP AB                       SWEDEN
         FASTNET SYSTEMS                                    UNITED KINGDOM
         FEEDER GROUP                                       FRANCE
         FIRST LAN'MARK A/S                                 DENMARK
         FONAR LIMITED                                      ISRAEL
         FRONTLINE DISTRIBUTION LTD                         ENGLAND
         GALATARIOTIS BROS. LTD.                            CYPRUS
         GATEWAY SYSTEMS LTD                                BERMUDA
         GBC TECHNOLOGIES U.K.                              ENGLAND
         GEAC CANADA LIMITED                                CANADA
         GLOBELLE/CBC                                       CANADA
         GOMARK LIMITED                                     ENGLAND
         GRAY MACKENZIE & COMPANY LTD                       U.A.E.
         GRAYTECH C2OOO MIDDLE EAST                         U.A.E.
         GUARDALL NORTH AMERICA, INC.                       CANADA
         GULF STARS COMPUTER SYSTEMS                        SAUDI ARABIA
         HAUSER COMPUTER GMBH                               GERMANY
         HEWLETT PACKARD MISSISSEUGE                        CANADA
         HORIZON DISTRIBUTION LTD.                          IRELAND
         IBM EDMONTON                                       CANADA
         INCOME SECURITY PROGRAMS-STND                      CANADA
         INCOS EDV SYSTEMS                                  GERMANY
         INFONET ENGINEERING PTE. LTD.                      SINGAPORE
         INFORMATICA MGMT FORMAZIONE                        ITALY
         INGRAM DICOM, S.A. DE C.V.                         MEXICO DF
         INGRAM MICRO, et al                                VARIOUS
         INTCOM                                             FRANCE
         INTERDATA S.A.                                     FRANCE
         INTERNATIONAL COMPUTER COMPANY                     1002 TUNISIA
</TABLE>





                                      A-2
<PAGE>   56
<TABLE>
         <S>                                                <C>
         INTERPROCOM LAN                                    RUSSIA
         INTERQUAD                                          FRANCE
         ISG NETWORK SOLUTIONS                              SOUTH AFRICA
         ISM NETWORK SOLUTIONS                              SOUTH AFRICA
         J.V. LANIT                                         RUSSIA
         JARDINE NETWORKING SYSTEMS                         HONG KONE
         JERAISY COMPUTER & COMM. SERV                      SAUDI ARABIA
         JOHNSON AND JOHNSON                                CANADA
         KEYLAN S.A.                                        SPAIN
         KVAZAR-MICRO                                       UKRAINE
         LA PRESSE LTD                                      CANADA
         LAGE INFORMATICA E SERVICOS                        PORTUGAL
         LAN DESIGN                                         SOUTH AFRICA
         LANSOFT COMPUTER NETWORK SYS.                      CHINA
         LATTICE TECHNOLOGIES                               SOUTH AFRICA
         LAUSERCO INC                                       CANADA
         LINE SWITCH M.B. SRL                               ITALY
         LINKS S.A.                                         COLOMBIA
         LIUSKI INTERNATIONAL                               VARIOUS
         LOGICORP DATA SYSTEMS                              CANADA
         M + S ELEKTRONIK GMBH                              GERMANY
         MACNICA INC.                                       JAPAN
         MACROTEK/HEATH COMM AB                             SWEDEN
         MANEFFA, GONZALES & ASSOCIATES                     ARGENTINA
         MASHOV COMPUTER                                    ISRAEL
         MAXIMUM INFORMATION SYSTEMS                        CANADA
         MCSB SALES & DISTRIBUTION M SB                     MALAYSIA
         MEGABYTE                                           GERMANY
         MERCANTILE OFFICE SYSTEMS                          NEPAL
         MERISEL, et al                                     CANADA
         MICRO COMPUTER STORE                               CANADA
         MICRO INFOR BUSINESS CENTER                        CANADA
         MICRO-SYSTEM-TECHNIK AG                            SWITZERLAND
         MICRO-SYSTEM-TECHNIK AG                            SWITZERLAND
         MICROAGE TORONTO                                   CANADA
         MICRONICA S.A.                                     GREECE
         MICROSISTEMAS LUJASA                               ECUADOR
         MINISTRY OF ENVIRONMENT TORONT                     CANADA
         MINISTRY OF HEALTH                                 CANADA
         MISCO LIMITED                                      ENGLAND
         MPS MAYORISTA S.A.DE C.V.                          MEXICO
         MR. COMPUTER                                       CANADA
         MSI COMPANY                                        CANADA
         MUNICH REINSURANCE COMPANY                         CANADA
         NATIONAL MONEY MART                                CANADA
         NATO                                               BELGIUM
         NCR GMBH                                           GERMANY
         NET-TEL DATA SYSTEMS                               CANADA
         NETCENTER A.S.                                     NORWAY
         NETIX LTDA.                                        COLOMBIA
         NEWTEC S.A. DE C.V.                                MEXICO
         NEXT/DS DISTRICUIO & SERVIOS                       PORTUGAL
         NOVELLINC., et al                                  CANADA
         OLIVETTI UK LTD                                    ENGLAND
         OMNILOGIC, et al                                   BELGIUM
         ONTARIO AUTOMOBILE SOFTWARE IN                     CANADA
</TABLE>





                                      A-3
<PAGE>   57
<TABLE>
         <S>                                                <C>
         ONTARIO HYDRO                                      CANADA
         OPC LAN                                            ITALY
         PARALLOGIX                                         CANADA
         PAYMA COMUNICACIONES S.A.                          SPAIN
         PEACOCK AG                                         GERMANY
         PERLE SYSTEMS LTD                                  CANADA
         PHOENIX SOLUTIONS                                  CANADA
         POULIADIS ASSOCIATES CORP                          GREECE
         PRICE WATERHOUSE, et al                            VARIOUS
         PRIDE FACILITIES MANAGEMENT                        UNITED KINGDOM
         PRIMO INFORMATIQUE                                 FRANCE
         PRISMA EXPRESS                                     GERMANY
         RAAB KARCHER ELEKTRONIK                            GERMANY
         RAND MCNALLY                                       IRELAND
         REPTEC                                             FRANCE
         RESEARCH & DEVELOPMENT S.A.                        FRANCE
         ROCKWELL INTERNATIONAL                             CANADA
         S.A. COMSOL N.V.                                   BELGIUM
         SALCOM COMMUNICATION AB                            SWEDEN
         SANTECH, et al                                     NORWAY
         SCANDINAVIAN COMMUNICATION SYS                     NORWAY
         SCHNEIDER & KOCH & CO                              GERMANY
         SCHOELLER ELECTRONICS                              AUSTRIA
         SCHOOL DISTRICT 18                                 CANADA
         SCRIBONA, et al                                    DENMARK
         SEC DATACOM NS                                     DENMARK
         SIEMENS NIXDORF                                    GERMANY
         SILTEK DISTRIBUTION DYNAMICS                       REP.OF S.AFRICA
         SIMWARE                                            CANADA
         SIS, et al                                         HONG KONG
         SNI P ITS AG                                       CZECH REPUBLIC
         SOFT-TRONIK, et al                                 GERMANY
         SONDA DISTRIBUTION SA                              CHILE
         SONY OF CANADA LTD                                 CANADA
         SP SCHLUMBERGER                                    FRANCE
         SPA SISTEMAS PLANEJAMENTO E AN                     SP-BRAZIL
         SPARNOON LIMITED                                   ENGLAND
         SPECS DISTRIBUTION BV                              THE NETHERLANDS
         SRC COMPUTERS                                      SLOVENIA
         SUNDAYNET COMPUTER CO LTD                          CHINA
         SUNTEK INFORMATION SYSTEMS CO                      KOREA
         SWS SOFTWARE                                       CZECH REPUBLIC
         SYSCOM COMPUTERS LTD                               ISRAEL
         SYSTEM 3000                                        POLAND
         SYSTEM INTEGRATORS LTD                             CROATIA
         SYSTEM ROTECH                                      CANADA
         TAEKNIVAL H.F.                                     ICELAND
         TAMARACK COMPUTER                                  CANADA
         TECHNOCOM PLC                                      ENGLAND
         TELENA S.P.A.                                      ITALY
         TELESISTEMAS 5A                                    PANAMA
         TENET COMPUTER GROUP, INC.                         CANADA
         TH'SYSTEM INC                                      CZECH REPUBLIC
         THAISOFT CO LTD                                    THAILAND
         TORONTO DOMINION BANK                              CANADA
         TOTAL SOLUTIONS LIMITED                            ENGLAND
</TABLE>





                                      A-4
<PAGE>   58
<TABLE>
         <S>                                                <C>
         UIC COMPUTER SYSTEMS PTE LTD                       SINGAPORE
         ULTRA COMPUTACION, S.A. DE C.V                     MEXICO
         UNICOM D.O.O.                                      R. SLOVENIA
         UNISEL S.A. ARGENTINA                              ARGENTINA
         UNISYS NEDERLAND N.V.                              THE NETHERLANDS
         UNITECH CORPORATION, et al                         RUSSIA
         UNITED TECHNOLOGIES (UNITECH)                      JORDAN
         VB COOK COMPANY LIMITED                            CANADA
         VETERANS AFFAIRS CHARLOTTETOWN                     CANADA
         VICTORIA HOSPITAL                                  CANADA
         VIGLEN LTD                                         ENGLAND
         WALTON NETWORKING LTD                              HUNGARY
         WBM OFFICE SYSTEMS                                 CANADA
         WINNERS APPAREL                                    CANADA
         WORLD BUSINESS CENTER CO LTD                       JAPAN
         XEROX SERVICE                                      CANADA
         XMIT AG DATA COMMUNICATIONS                        SWITZERLAND
         ZENITH COMPUTERS LTD                               INDIA
</TABLE>





                                      A-5
<PAGE>   59
                                   EXHIBIT B 

                          Form of Assumption Agreement


                              ASSUMPTION AGREEMENT


         THIS ASSUMPTION AGREEMENT (as the same may be amended, modified or
supplemented from time to time, the Assumption), dated as of ________________,
made by ______________________, a ____________________ (the Subsidiary), in
favor of the Agent and the Banks (as each term is defined below), recites and
provides:

                                    RECITALS


         Pursuant to the terms of a Credit Agreement, dated as of January 27,
1995 (as amended, modified or supplemented from time to time, the Credit
Agreement), among Microdyne Corporation, a Maryland corporation (the Original
Borrower), Crestar Bank (Crestar), NBD Bank (NBD and together with Crestar, the
Banks), and Crestar Bank as agent for the Banks (the Agent), the Banks agreed
to extend credit to the Original Borrower. Terms defined in the Credit
Agreement shall have the same defined meanings when such terms are used in this
Assumption.

         The Original Borrower owns ____% of the capital stock of the
Subsidiary. The Original Borrower and the Subsidiary are engaged in business on
a consolidated and integrated basis, and their integrated operations include
applying for and making use of credit on a joint basis. Accordingly, the
Original Borrower has requested that the Subsidiary become a Borrower under the
Credit Agreement and the other Loan Documents. The Banks have agreed to accept
the Subsidiary as a Borrower thereunder, and the Subsidiary has agreed to
assume the Obligations. Accordingly, the Subsidiary agrees as follows:

         1.      The Subsidiary (a) assumes and agrees to be jointly and
severally liable with [the Original Borrower] [each other Borrower] for all of
the Obligations now existing or hereafter arising, including, without
limitation, the Obligations arising out of the Credit Agreement, the Loans, the
Notes and the other Loan Documents, and (b)agrees to be jointly and severally
bound by all of the terms, covenants and conditions of the Credit Agreement,
the Notes and the other Loan Documents, and hereby assumes all of the
Obligations of the [Original] Borrower[s] thereunder and agrees to be jointly
and severally liable therefor.

         2.      The Subsidiary represents that (a) its chief executive office,
within the meaning of Section 9.103(3)(d) of the Uniform Commercial Code, is
located at ______________________________________________________ and (b)
during the five years prior to the date of this Assumption, the Subsidiary has
not used any fictitious or corporate name other





                                      B-1
<PAGE>   60
than its current corporate name. All of the representations and warranties set
forth in the Loan Documents are incorporated by reference in this Assumption,
and shall be deemed to have been made and given by the Subsidiary as of the
date hereof as though such representations and warranties were applicable to
it, except that the representations and warranties set forth in Section 6. 1(e)
of the Credit Agreement shall be deemed to have been given with respect to the
most recent financial statements provided to the Banks in accordance with the
provisions of Section 7.1(b) of the Credit Agreement.

         3.      The Subsidiary grants to the Agent, for the ratable benefit of
the Banks, in accordance with the provisions of Section 1 of the Security
Agreement, a security interest in all of the Collateral of the Subsidiary as
security for the Obligations.

         4.      The Subsidiary agrees to execute, deliver and, if applicable,
record, such additional instruments, documents and agreements as the Agent or
the Banks may reasonably require for the purpose of effecting the assumption
described herein.

         IN WITNESS WHEREOF, the Subsidiary has caused this Assumption to be
executed by its duly authorized representative as of the day and year first
written above.




                                                       , a
                              -------------------------   
                                                                               
                              -------------------------------------------------
                              
                              
                              By:                                              
                                 ----------------------------------------------
                              Name:                                            
                                   --------------------------------------------
                              Title:                                           
                                    -------------------------------------------






                                      B-2
<PAGE>   61
                                   EXHIBIT C 

                       Form of Revolving Promissory Note

                           REVOLVING PROMISSORY NOTE



U.S. $_______________                                           January 27, 1995


         FOR VALUE RECEIVED, the undersigned, MICRODYNE CORPORATION, a Maryland
corporation (the "Borrower"), HEREBY PROMISES TO PAY to the order of
____________________, a ______________________ (the "Bank"), for the account of
its Applicable Lending Office (as defined in the Credit Agreement referred to
below) on the Termination Date the principal sum of U.S.
______________________________________________________________________________
DOLLARS ($________________) or, if less, the aggregate principal amount of the
Advances (as defined below) made by the Bank to the Borrower pursuant to the
Credit Agreement and outstanding on the Termination Date (as defined in the
Credit Agreement).

         The Borrower promises to pay interest on the unpaid principal amount
of each Advance from the date of such Advance until such principal amount is
paid in full, at such interest rates, and payable at such times, as are
specified in the Credit Agreement.

         Both principal and interest are payable in lawful money of the United
States of America to CRESTAR BANK, as Agent (the "Agent"), at 8245 Boone
Boulevard, Suite 300, Vienna, Virginia 22182, in same day funds, without
defense, offset or counterclaim. The Agent is hereby authorized by the Bank and
the Borrower to maintain records of the amount of each Advance made by the Bank
under the Credit Agreement, the date such Advance is made, and the amount of
each payment or prepayment of principal of such Advance. The Borrower agrees
that the amounts so evidenced in such records, absent manifest error, shall
constitute conclusive evidence of the amount owed hereunder.

         This Revolving Promissory Note (as amended, modified, supplemented or
replaced from time to time, the "Note") is one of the Notes referred to in, and
is entitled to the benefits of, the Credit Agreement, dated as of January 27,
1995 (as amended, modified or supplemented from time to time, the "Credit
Agreement") between the Borrower, the Bank, ______________, and Crestar Bank as
Agent, and the other Loan Documents referred to therein and entered into
pursuant thereto. The Credit Agreement, among other things, (a) provides for
the making of advances (the "Advances") by the Bank to the Borrower from time
to time in an aggregate amount not to exceed at any time outstanding the U.S.
dollar amount first above mentioned, the indebtedness of the Borrower resulting
from each such Advance being evidenced by this Note, and (b)contains provisions
for acceleration of the maturity hereof upon the happening of certain stated
events and also for prepayments on





                                      C-1
<PAGE>   62
account of principal hereof prior to the maturity hereof upon the terms and
conditions therein specified.

         The Borrower, every guarantor and endorser hereof hereby waive
presentment, demand, notice of dishonor, protest and all other demands and
notiCes in Connection with the delivery, acceptance, performance and
enforcement of this Note.

         This Note shall be governed by and construed in accordance with the
laws of the Commonwealth of Virginia, without reference to conflict of laws
principles. THE BORROWER HEREBY WAIVES TRIAL BY JURY IN ANY LITIGATION IN ANY
COURT WITH RESPECT TO THIS NOTE OR THE ENFORCEMENT OR COLLECTION HEREOF.

         IN WITNESS WHEREOF, the Borrower has caused this Note to be executed
by its duly authorized representative as of the day and year first above
written.


                              
                              MICRODYNE CORPORATION,
                              a Maryland corporation
                              
                              
                              By:                                              
                                 ----------------------------------------------
                              Name:                                            
                                   --------------------------------------------
                              Title:






                                      C-2
<PAGE>   63
xx                                 EXHIBIT D

                               Form of Term Note

                                   TERM NOTE



U.S. $___________                                               January 27, 1995


         FOR VALUE RECEIVED, the undersigned, MICRODYNE CORPORATION, a Maryland
Corporation (the "Borrower"), HEREBY PROMISES TO PAY to the order of
____________________, a ______________________ (the "Bank"), for the account of
its Applicable Lending Office (as defined in the Credit Agreement referred to
below) the principal sum of U.S._______________________________________________
__________________________________ DOLLARS ($________).  The principal balance
hereof shall be payable in one installment of $_______ due on April 1, 1995, 22
equal consecutive monthly installments of $________ each, beginning on July 1,
1995, and a final installment of $_______ due on May 1, 1997, when the unpaid
principal balance hereof, together with all accrued and unpaid interest
thereon, shall be due and payable in full.

         The Borrower hereby further promises to pay interest on the unpaid
principal balance hereof at such interest rates as are specified in the Credit
Agreement (as defined below). Interest shall be payable monthly on the first
day of each month, beginning on February 1, 1995. Both principal and interest
are payable in lawful money of the United States of America to CRESTAR BANK, as
Agent (the "Agent"), at 8245 Boone Boulevard, Suite 300, Vienna, Virginia
22182, in same day funds, without defense, offset or counterclaim.

         This Term Note (as amended, modified, supplemented or replaced from
time to time, the "Note") is one of the Term Notes referred to in, and is
entitled to the benefits of, the Credit Agreement, dated as of January 27, 1995
(as amended, modified or supplemented from time to time, the "Credit
Agreement") between the Borrower, the Bank, ______________ and Crestar Bank as
Agent, and the other Loan Documents referred to therein and entered into
pursuant thereto. Capitalized terms used in this Note shall have the respective
meanings assigned to them in the Credit Agreement.

         Upon the occurrence and Continuation of an Event of Default, the
principal hereof and accrued interest hereon may be declared to be, or may
become, forthwith due and payable in the manner, upon the conditions and with
the effect provided in the Credit Agreement. The Borrower shall pay all
reasonable costs, fees and expenses (including court costs and reasonable
attorneys' fees) incurred by the Agent in collecting or attempting to collect
any amount that becomes due hereunder or in seeking legal advice with respect
to such collection or a default hereunder. This Note may be prepaid in
accordance with the provisions of the Credit Agreement.  Partial prepayments
shall be applied to installments due





                                      D-1
<PAGE>   64
hereunder in the inverse order of their maturities. Amounts prepaid hereunder
may not be reborrowed.

         The Borrower, every guarantor and endorser hereof hereby waive
presentment, demand, notice of dishonor, protest and all other demands and
notices in connection with the delivery, acceptance, performance and
enforcement of this Note.

         This Note shall be governed by and construed in accordance with the
laws of the Commonwealth of Virginia, without reference to conflict of laws
principles. THE BORROWER HEREBY WAIVES TRIAL BY JURY IN ANY LITIGATION IN ANY
COURT WITH RESPECT TO THIS NOTE OR THE ENFORCEMENT OR COLLECTION HEREOF.

         IN WITNESS WHEREOF, the Borrower has caused this Note to be executed
by its duly authorized representative as of the day and year first above
written.


                              MICRODYNE CORPORATION,
                              a Maryland corporation
                              
                              
                              By:                                              
                                 ----------------------------------------------
                              Name:                                            
                                   --------------------------------------------
                              Title:






                                      D-2
<PAGE>   65
                                   EXHIBIT E 


                              NOTICE OF BORROWING




[Date]


Crestar Bank, as Agent for the Banks parties
to the Credit Agreement referred to below
8245 Boone Boulevard
Suite 300
Vienna, Virginia 22182
Attention:  Ms. Diane D. Taylor


Gentlemen:

         The undersigned, Microdyne Corporation, refers to the Credit
Agreement, dated as of January 27, 1995 (as amended from time to time, the
"Credit Agreement, " the terms defined therein being used herein as therein
defined), among the undersigned, certain Banks parties thereto and Crestar
Bank, as Agent for said Banks, and hereby gives you notice, irrevocably,
pursuant to Section 2.2 of the Credit Agreement that the undersigned hereby
requests Advances under the Credit Agreement, and in that connection sets forth
below the information relating to such Advances (the "Proposed Borrowing") as
required by Section 2.2(a) of the Credit Agreement:

1.       The Business Day of the Proposed Borrowing is _______________, 19__.

2.       The Advances comprising the Proposed Borrowing are [Base Rate
         Advances] [Eurodollar Rate Advances].

3.       The aggregate amount of the Proposed Borrowing is $__________.

4.       A computation of the applicable Borrowing Base supporting this
         borrowing is shown on the attached Borrowing Base Certificate.

         The undersigned hereby certifies that the following statements are
true on the date hereof, and will be true on the date of the Proposed
Borrowing:





                                      E-1
<PAGE>   66
         (a)     The representations and warranties contained in the Loan
Documents are correct, before and after giving effect to the Proposed Borrowing
and to the application of the proceeds therefrom, as though made on and as of
such date; and

         (b)     No Default or Event of Default has occurred and is continuing,
or would result from such Proposed Borrowing or from the application of the
proceeds therefrom.


                              Very truly yours,



                              MICRODYNE CORPORATION,
                              a Maryland corporation
                              
                              
                              By:                                              
                                 ----------------------------------------------
                              Name:                                            
                                   --------------------------------------------
                              Title:                                           
                                    -------------------------------------------






                                      E-2
<PAGE>   67
                                   EXHIBIT F 

                           Form of Security Agreement


                               SECURITY AGREEMENT


         THIS SECURITY AGREEMENT (as amended, modified or supplemented from
time to time, the "Agreement"), dated as of January 27, 1995, is made by
MICRODYNE CORPORATION, a Maryland corporation (the "Grantor"), to CRESTAR BANK
("Crestar"), as agent (the "Agent") for the banks (the "Banks") parties to the
Credit Agreement (as hereinafter defined).

                                    RECITALS


         A.      The Banks and the Agent have entered into a Credit Agreement
of even date herewith (as amended, modified or supplemented from time to time,
the "Credit Agreement," the terms defined therein and not otherwise defined
herein being used herein as therein defined) with the Grantor.

         B.      It is a condition precedent to the making of Advances and Term
Loans by the Banks and the issuance of Letters of Credit by the Agent under the
Credit Agreement that the Grantor shall have granted the security interest
contemplated by this Agreement.

         NOW, THEREFORE, in consideration of the premises and in order to
induce the Banks to make Advances and the Term Loans and the Agent to issue
Letters of Credit under the Credit Agreement, the Grantor hereby agrees with
the Agent for its benefit and the ratable benefit of the Banks as follows:

         SECTION 1.         Grant of Security. The Grantor hereby assigns and
pledges to the Agent for its benefit and the ratable benefit of the Banks, and
hereby grants to the Agent for its benefit and the ratable benefit of the Banks
a security interest in, all of the Grantor's right, title and interest in and
to the following property of the Grantor, whether now owned or hereafter
acquired by the Grantor (collectively, the "Collateral"):

                 (a)        All items that are included within the definitions
of "equipment" and "fixtures" as set forth in the UCC, in all of their
respective forms, wherever located, now or hereafter existing, including,
without limitation, computer software, computer hardware, computer systems,
furniture, machinery, vehicles and trade fixtures, together with any and all
accessories, accessions, parts and appurtenances thereto, substitutions
therefor and replacements thereof (any and all such equipment, fixtures, parts
and accessions being the "Equipment");

                 (b)        All property included within the definition of
"inventory" set forth in the UCC, in all of its forms, wherever located, now or
hereafter existing, including, without limitation, (1) all goods, computer
software, computer hardware or computer systems held or intended for sale,
lease or licensing by the Grantor or furnished or to be furnished under
contracts of sale, leasing, licensing or service; (2) all raw materials, work
in process, finished goods, materials and supplies of every nature used or
usable in connection with the manufacture, packing, shipping, advertising or
sale of any such goods, (3) goods in which the Grantor has an interest in mass
or a joint or other interest or right of any kind (including, without
limitation, goods in which the Grantor has an interest or right as consignee),
and (4) goods that are returned to or repossessed by the Grantor, and all
accessions to, products of and documents for any of the foregoing (any and all
such inventory, accessions, products and documents being the "Inventory");





                                      F-1
<PAGE>   68
                 (c)        All property included within the definitions of
"accounts," "chattel paper," "documents" and "instruments" set forth in the
UCC; all contract rights, deposit accounts and other obligations of any kind,
now or hereafter existing, whether or not arising out of or in connection with
the sale or lease of goods or the rendering of services, whether or not
represented by instruments or chattel paper, and whether or not earned by
performance; all present and future rights to payments for computer software,
computer hardware or computer systems sold, leased or licensed; proceeds of any
letter of credit of which the Grantor is a beneficiary; all forms of
obligations whatsoever owed to the Grantor, together with all instruments and
documents of title representing any of the foregoing; all rights in any goods
that any of the foregoing may represent; any and all rights in any returned or
repossessed goods; all rights, security and guaranties with respect to any of
the foregoing, including, without limitation, any right of stoppage in transit;
and all rights now or hereafter existing in and to all security agreements,
leases, and other contracts securing or otherwise relating to any of the
foregoing (any and all such accounts, contract rights, chattel paper,
instruments, deposit accounts and obligations being the "Accounts Receivable,"
and any and all such leases, security agreements and other contracts being the
"Related Contracts");

                 (d)        All property that is included within the definition
of "general intangibles" as set forth in the UCC; chooses in action, causes of
action and all other intangible property of every kind and nature, including,
without limitation, corporate or other business records, inventions, designs,
patents, patent applications, trademarks, trademark applications, trade names,
trade secrets, good will, registrations, copyrights, licenses, franchises,
customer lists, tax refunds, tax refund claims, rights of claims against
carriers and shippers, leases and rights to indemnification (any and all such
property being the "General Intangibles"); and

                 (e)        All proceeds of any and all of the foregoing or
hereinafter described Collateral (including, without limitation, proceeds that
constitute property of the types described in Sections 1(a) through 1(d) above)
and, to the extent not otherwise included, all policies of insurance on any
property of the Grantor and all payments and proceeds under any such insurance
(whether or not the Agent is the loss payee thereof), or any indemnity,
warranty or guaranty payable by reason of loss or damage to or otherwise with
respect to any of the foregoing Collateral; all cash; all books of account and
records, including all computer software relating thereto; all deposits of the
Grantor (general or special, time or demand, provisional or final) at any time
maintained with or held by the Agent, any Bank or any of their respective
Affiliates, including any certificates of deposit, and all instruments,
investments or securities held for the Grantor pursuant to the Cash Management
Agreement or otherwise, and all indebtedness owed to the Grantor by the Agent,
any Bank or any of their respective Affiliates.

         SECTION 2.         Security for Obligations. This Agreement secures
the payment of all obligations of the Grantor now or hereafter existing under
the Credit Agreement, including, but not limited to, the Loans, the Notes and
all obligations, indebtedness and liabilities of the Grantor under this
Agreement and each other Loan Document, whether now existing or hereafter
arising, whether or not evidenced by notes or other instruments, and whether
such obligations, indebtedness and liabilities are direct or indirect, fixed or
contingent, liquidated or unliquidated, due or to become due, including,
without limitation, all obligations of the Grantor arising under any LC
Agreement or Letter of Credit issued by the Agent for the account of the
Grantor, and any indebtedness of the Grantor to any assignee of the Credit
Agreement (all such obligations of the Grantor being the "Obligations").
Without limiting the generality of the foregoing, this Agreement secures the
payment of all amounts that constitute part of the Obligations and would be
owed by the Grantor to the Agent or the Banks under the Credit Agreement and
the Notes but for the fact that they are unenforceable or not allowable due to
the existence of a bankruptcy, reorganization or similar proceeding involving
the Grantor.

         SECTION 3.         Grantor Remains Liable. Anything herein to the
contrary notwithstanding, (a) the Grantor shall remain liable under the
contracts and agreements included in the Collateral to the extent set forth
therein to perform all of its duties and obligations thereunder to the same
extent as if this Agreement had not





                                      F-2
<PAGE>   69
been executed, (b) the exercise by the Agent of any of the rights hereunder
shall not release the Grantor from any of its duties or obligations under the
contracts and agreements included in the Collateral, and (c) neither the Agent
nor any Bank shall have any obligation or liability under the contracts and
agreements included in the Collateral by reason of this Agreement, nor shall
the Agent or any Bank be obligated to perform any of the obligations or duties
of the Grantor thereunder or to take any action to collect or enforce any claim
for payment assigned hereunder.

         SECTION 4.         Representations and Warranties. The Grantor
represents and warrants as follows:

                 (a)        All of the Equipment and Inventory are located at
the places specified in Schedule l hereto. During the five years immediately
preceding the date of this Agreement, neither the Grantor nor any predecessor
of the Grantor has used any corporate or fictitious name other than its current
corporate name. The Grantor has no trade names. The chief executive office of
the Grantor, within the meaning of Section 9.103(3)(d) of the UCC, is 3601
Eisenhower Avenue, Alexandria, Virginia 22304.

                 (b)        The Grantor is the legal and beneficial owner of
the Collateral free and clear of any lien, security interest, option or other
charge or encumbrance except for the security interest created by this
Agreement or liens or other encumbrances permitted by the Credit Agreement. No
effective financing statement or other document similar in effect covering all
or any part of the Collateral is on file in any recording office, except such
as may have been filed in favor of the Agent relating to this Agreement or
otherwise permitted by the Credit Agreement.

                 (c)        The Grantor has exclusive possession and control of
the Equipment and Inventory.

                 (d)        This Agreement creates a valid and perfected first
priority security interest in the Collateral, securing the payment of the
Obligations, and all filings and other actions necessary or desirable to
perfect and protect such security interest have been duly taken.

                 (e)        No consent of any other person or entity and no
authorization, approval or other action by, and no notice to or filing with,
any governmental authority or regulatory body, other than the filing of UCC-1
financing statements in the applicable filing offices and such documentation as
is required to comply with the Assignment of Claims Act, is required (1) for
the grant by the Grantor of the Security interest granted hereby or for the
execution, delivery or performance of this Agreement by the Grantor, or (2) for
the exercise by the Agent of its rights and remedies hereunder. No consent of
any other person or entity and no authorization or approval by any governmental
authority or regulatory body is required for the perfection or maintenance of
the security interest created hereby (including the first priority nature of
such security interest).

                 (f)        The Inventory has been produced by the Grantor in
compliance with all requirements of the Fair Labor Standards Act.

                 (g)        There are no conditions precedent to the
effectiveness of this Agreement that have not been satisfied or waived.

                 (h)        The Grantor represents and warrants as to each and
every Account Receivable now existing that: (1) it is a bona fide existing
obligation, valid and enforceable against the Customer, for goods sold or
leaded or services rendered in the ordinary course of business; (2) it is
subject to no dispute, defense or offset except as disclosed in writing to the
Agent and approved by the Banks; (3) all instruments, chattel paper and other
evidences of indebtedness issued to the Grantor with respect to any Account
Receivable have been delivered to the Agent for the benefit of the Banks, and,
together with all supporting documents delivered to the Agent, are genuine,
complete, valid and enforceable in accordance with their terms; (4) it is not
subject to any discount, allowance or special terms of payment except as
permitted hereby or by the Credit Agreement or as





                                      F-3
<PAGE>   70
disclosed in writing to the Agent and approved by the Banks; and (5) it is not
and shall not be subject to any prohibition or limitation upon assignment. The
Grantor covenants and agrees that each Account Receivable arising after the
date of this Agreement will be in conformance with the foregoing
representations.

         SECTION 5.         Further Assurances.

                 (a)        The Grantor agrees that from time to time, at the
expense of the Grantor, the Grantor will promptly execute and deliver all
further instruments and documents, and take all further action, that may be
necessary or desirable, or that the Agent may reasonably request, in order to
perfect and protect any security interest granted or purported to be granted
hereby or to enable the Agent to exercise and enforce its rights and remedies
hereunder with respect to any Collateral. Without limiting the generality of
the foregoing, the Grantor shall: (1) if reasonably required by the Agent, mark
conspicuously each document included in the Inventory and all chattel paper
included in the Accounts Receivable and each Related Contract with a legend, in
form and substance satisfactory to the Agent, indicating that such Collateral
is subject to the security interest granted hereby; (2) if any Account
Receivable shall be evidenced by a promissory note or other instrument or
chattel paper, deliver and pledge to the Agent hereunder such note or
instrument or chattel paper, duly indorsed and accompanied by duly executed
instruments of transfer or assignment, all in form and substance satisfactory
to the Agent; and (3) execute and file such financing or continuation
statements, or amendments thereto, and such other instruments or notices, as
may be necessary or desirable, or as the Agent may request, in order to perfect
and preserve the security interest granted or purported to be granted hereby.

                 (b)        The Grantor hereby authorizes the Agent to file one
or more financing or continuation statements, and amendments thereto, relating
to all or any part of the Collateral without the signature of the Grantor where
permitted by law. The Grantor agrees that a carbon, photographic, photostatic
or other reproduction of this Agreement or of a financing statement is
sufficient as a financing statement.

                 (c)        The Grantor will furnish to the Agent from time to
time statements and schedules further identifying and describing the Collateral
and such other information and reports in connection with the Collateral as the
Agent reasonably may request, all in form and substance satisfactory to the
Agent.

                 (d)        The Grantor shall not change its name, identity or
corporate structure in any manner that might make any financing or continuation
statement filed hereunder seriously misleading within the meaning of Section
9-402(7) of the UCC (or any other then-applicable provision of the UCC) unless
the Grantor shall have given the Agent at least 90 days' prior written notice
thereof. The Grantor agrees to take all actions necessary or requested by the
Agent to amend any financing statements or continuation statements so that they
are not seriously misleading.

         SECTION 6.         As to Equipment and Inventory.

                 (a)        The Grantor shall keep the Equipment and Inventory
(other than Inventory sold in the ordinary course of business) at the places
specified on Schedule 1 or, upon 45 days' prior written notice to the Agent, at
such other places in a jurisdiction where all actions required by Section 5
shall have been taken with respect to such Equipment and Inventory. The Grantor
shall not, without the prior written consent of the Agent, move or deliver any
Inventory or Equipment with an aggregate book value of more than $500,000 to a
location outside of the United States of America.

                 (b)        The Grantor shall cause the Equipment to be
maintained and preserved in the same condition, repair and working order as
when new, ordinary wear and tear excepted, and shall forthwith, or in the case
of any loss or damage to any of the Equipment, as quickly as practicable after
the occurrence thereof, make or cause to be made all repairs, replacements and
other improvements in connection therewith that are necessary or desirable to
such end. The Grantor shall promptly furnish to the Agent a statement
respecting any loss or damage to any of the Equipment.





                                      F-4
<PAGE>   71
                 (c)        The Grantor shall pay promptly when due all
property and other taxes, assessments and governmental charges or levies
imposed upon, and all claims (including claims for labor, materials and
supplies) against, the Equipment and Inventory. In producing the Inventory, the
Grantor shall comply with all requirements of the Fair Labor Standards Act.

                 (d)        The Grantor shall not permit any of the Equipment
to become a fixture to any real estate unless subordination agreements
satisfactory to the Agent are obtained from any owner or mortgagee of such real
estate. Immediately on demand therefor by the Agent, the Grantor shall deliver
to the Agent any and all evidence of ownership of any of the Equipment. If any
Equipment is subject to a certificate of title at any time, the Grantor shall
deliver such certificate of title to the Agent, together with such documents as
are necessary to cause the security interest granted hereunder to be noted
thereon. None of the Equipment shall be sold, transferred, leased or otherwise
disposed of without the prior written consent of the Agent, except for (1)
sales or dispositions of obsolete Equipment, and (2) sales or dispositions of
Equipment that is contemporaneously replaced with Equipment of comparable value
and utility.

                 (e)        The security interest granted hereunder shall
extend and attach to Inventory that is presently in existence and is owned by
the Grantor or in which the Grantor purchases or acquires an interest at any
time and from time to time in the future, whether such Inventory is in transit
or in the Grantor's constructive, actual or exclusive occupancy or possession
or not and wherever such Inventory may be located, including, without
limitation, all Inventory that may be located at the premises of the Grantor or
upon the premises of any carriers, forwarding agents, truckers, warehousemen,
vendors, selling agents, finishers, convertors or other third parties who may
have possession of the Inventory.

                 (f)        Upon the sale, exchange, lease or disposition of
the Inventory, the security interest granted hereunder, without break in
continuity and without further formality or act, shall continue in and attach
to all cash and noncash proceeds of such sale, exchange, lease or disposition,
including Inventory returned or rejected by customers or repossessed by either
the Grantor or the Agent. As to any such sale, exchange, lease or disposition,
the Agent shall have all of the rights of an unpaid seller, including stoppage
in transit, replevin, detinue and reclamation.

         SECTION 7.         Insurance.

                 (a)        The Grantor shall, at its own expense, maintain
insurance with respect to the Collateral in such amounts, against such risks,
in such form and with such insurers, as shall be satisfactory to the Agent from
time to time. Each policy for liability insurance shall provide for all losses
to be paid on behalf of the Agent and the Grantor as their respective interests
may appear, and each policy for property damage insurance shall provide for all
losses to be paid directly to the Agent. Each such policy shall in addition (I)
name the Grantor and the Agent as insured parties thereunder (without any
representation or warranty by or obligation upon the Agent) as their interests
may appear, (2) contain the agreement by the insurer that any loss thereunder
shall be payable to the Agent notwithstanding any action, inaction or breach of
representation or warranty by the Grantor, (3) provide that there shall be no
recourse against the Agent for payment of premiums or other amounts with
respect thereto, and (4) provide that at least ten days' prior written notice
of cancellation or of lapse shall be given to the Agent by the insurer. The
Grantor shall, if so requested by the Agent, deliver to the Agent original or
duplicate policies of such insurance, together with such endorsements as may be
required by the Banks, and, as often as the Agent may reasonably request, a
report of a reputable insurance broker with respect to such insurance. Further,
the Grantor shall, at the request of the Agent, duly execute and deliver
instruments of assignment of such insurance policies to comply with the
requirements of Section 5 and cause the insurers to acknowledge notice of such
assignment.

                 (b)        Reimbursement under any liability insurance
maintained by the Grantor pursuant to this Section 7 may be paid directly to
the person who shall have incurred liability covered by such insurance.  In
case of any loss involving damage to Equipment or Inventory when Section 7(c)
is not applicable, the





                                      F-5
<PAGE>   72
Grantor shall make Or cause to be made the necessary repairs to or replacements
of such Equipment or Inventory, and any proceeds of insurance maintained by the
Grantor pursuant to this Section 7 shall be paid to the Grantor as
reimbursement for the costs of such repairs or replacements.

                 (c)        Upon (1) the occurrence and during the continuance
of any Event of Default, or (2) the actual or constructive total loss (in
excess of $50,000 per occurrence) of any Equipment or Inventory, all insurance
payments in respect of such Equipment or Inventory shall be paid to and applied
by the Agent as specified in Section 14(b).

         SECTION 8.         As to Accounts Receivable and General Intangibles.

                 (a)        The Grantor shall keep its chief place of business
and chief executive office and the office where it keeps its records concerning
the Accounts Receivable and the General Intangibles at 3601 Eisenhower Avenue,
Alexandria, Virginia 22304 or, upon 45 days' prior written notice to the Agent,
at any other location in a jurisdiction where all actions required by Section 5
shall have been taken with respect to the Accounts Receivable and General
Intangibles. The Grantor will hold and preserve such records and will permit
representatives of the Agent at any time during normal business hours to
inspect and make abstracts from such records.

                 (b)        The Grantor shall immediately notify the Agent of
(1) any dispute in excess of $250,000 with a Customer, and (2) the bankruptcy,
insolvency, receivership, assignment for the benefit of creditors or suspension
of business of any such Customer of which the Grantor has knowledge. The
Grantor shall not compromise or discount any Account Receivable without the
prior written consent of the Banks except for (i) ordinary trade discounts or
allowances for prompt payment, and (ii) prior to the occurrence of a Default or
an Event of Default, such compromises or discounts that, after giving effect
thereto, will not cause the Borrowing Base to be less than the unpaid principal
balance of the Advances then outstanding.

                 (c)        If required by the Banks, upon the occurrence of a
Default or an Event of Default, the Grantor shall establish a lockbox for the
account of the Grantor with the Agent and shall direct all Customers to make
payments on Accounts Receivable to such lockbox by printing such direction on
all invoices given to Customers. The Grantor also shall remit to such lockbox
all payments on Accounts Receivable received by the Grantor, all such payments
to be received in trust for the benefit of the Agent hereunder, and shall be
segregated from other funds of the Grantor. Such payments shall be remitted or
delivered to such lockbox in their original form on the day of receipt. All
notes, checks and other instruments so received by the Grantor shall be duly
endorsed to the order of the Agent. The payments remitted to the lockbox shall
be credited to a cash collateral account maintained by the Agent in the name of
the Grantor over which the Agent shall have the exclusive power of withdrawal.
After final collection, funds credited to the cash collateral account shall be
retained in the cash collateral account and be held as security for the
Obligations, and funds in the cash collateral account may be applied to the
Obligations by the Lender from time to time, whether pr not such Obligations
are then due.

                 (d)        Except as otherwise provided in this Section 8(d),
the Grantor shall continue to collect, at its own expense, all amounts due or
to become due the Grantor under the Accounts Receivable. In connection with
such collections, the Grantor may take (and, at the Agent's direction, shall
take) such action as the Grantor or the Agent may deem necessary or advisable
to enforce collection of the Accounts Receivable; provided, however, that the
Agent shall have the right, upon the occurrence and during the continuance of
any Default or Event of Default, and upon written notice to the Grantor of its
intention to do so, to notify Customers of the assignment of the applicable
Accounts Receivable to the Agent and, at the expense of the Grantor, to enforce
collection of any such Accounts Receivable, and to adjust, settle or compromise
the amount or payment thereof, in the same manner and to the same extent as the
Grantor might have done. After receipt by the Grantor of the notice from the
Agent referred to in the proviso to the preceding sentence, the Grantor





                                      F-6
<PAGE>   73
shall not adjust, settle or compromise the amount or payment of any Account
Receivable, release any Customer wholly or partly with respect thereto, or
allow any credit or discount thereon.

                 (e)        Upon the occurrence of a Default or an Event of
Default, the Agent shall have the right, to facilitate direct collection, to
take over the Grantor's post office boxes or make other arrangements, with
which the Grantor shall cooperate, to receive the Grantor's mail.

                 (f)        The Grantor shall execute all other agreements,
instruments and documents and shall perform all further acts that the Agent may
require with respect to Accounts Receivable owing by the Government to ensure
compliance with the Assignment of Claims Act.

         SECTION 9.         Defense of Collateral. The Grantor, at its expense,
shall defend the Collateral against any claims or demands adverse to the Banks'
security interest granted hereunder and shall promptly pay, when due, all taxes
or assessments levied against the Grantor on the Collateral.

         SECTION 10.        Transfers and Other Liens. The Grantor shall not
(1) sell, assign (by operation of law or otherwise) or otherwise dispose of, or
grant any option with respect to, any of the Collateral, except Inventory in
the ordinary course of business, or (2) create or permit to exist any Lien,
security interest, option or other charge or encumbrance upon or with respect
to any of the Collateral, except for the security interest created under this
Agreement or any such Lien or encumbrance permitted by the Credit Agreement.

         SECTION 11.        Agent Appointed Attorney-in-Fact. The Grantor
hereby irrevocably appoints the Agent as the Grantor's attorney-in-fact (such
power being coupled with an interest), with full authority in the place and
stead of the Grantor and in the name of the Grantor or otherwise, from time to
time in the Agent's discretion, to take any action and to execute any
instrument that the Agent may deem necessary or advisable to accomplish the
purposes of this Agreement (subject to the rights of the Grantor under Section
8), including, without limitation:

                 (a)        To obtain and adjust insurance required to be paid
to the Agent pursuant to Section 7;

                 (b)        To ask, demand, collect, sue for, recover,
compromise, receive and give acquittance and receipts for moneys due and to
become due under or in connection with the Collateral;

                 (c)        To receive, indorse, and collect any drafts or
other instruments, documents and chattel paper in connection therewith; and

                 (d)        To file any claims or take any action or institute
any proceedings that the Agent may deem necessary or desirable for the
collection of any of the Collateral, or otherwise to enforce the rights of the
Grantor or the Agent with respect to any of the Collateral.

         SECTION 12.        Agent May Perform. If the Grantor fails to perform
any covenant or agreement contained herein, the Agent may itself perform, or
cause performance of, such covenant or agreement, and the expenses of the Agent
incurred in connection therewith, together with interest thereon at the Base
Rate plus 3.0%, shall be payable by the Grantor to the Agent on demand and
shall constitute Obligations.

         SECTION 13.        Agent's Duties. The powers conferred on the Agent
hereunder are solely to protect its interest in the Collateral and shall not
impose any duty upon it to exercise any such powers. Except for the safe
custody of any Collateral in its possession and the accounting for moneys
actually received by it hereunder, the Agent shall have no duty as to any
Collateral or as to the taking of any necessary steps to preserve rights
against prior parties Or any other rights pertaining to any Collateral. The
Agent shall be deemed to have





                                      F-7
<PAGE>   74
exercised reasonable care in the custody and preservation of any Collateral in
its possession if such Collateral is accorded treatment substantially equal to
that which Crestar accords its own property.

         SECTION 14.        Remedies. If any Event of Default shall have
occurred and be continuing:

                 (a)        The Agent may exercise in respect of the
Collateral, in addition to any other rights and remedies provided for herein or
otherwise available to it, all the rights and remedies of a secured party on
default under the UCC (to the extent that the UCC applies to the affected
Collateral), and also may (1) require the Grantor to, and the Grantor hereby
agrees that it shall, at the Grantor's expense and upon request of the Agent,
forthwith assemble all or part of the Collateral as directed by the Agent and
make it available to the Agent at a place to be designated by the Agent that is
reasonably convenient to both parties, and (2) without notice except as
specified below, sell the Collateral or any part thereof, whether in its then
condition or after further preparation or processing, either at public or
private sale or at any broker's board, in lots or in bulk, at any time or
place, in one or more parcels, at any of the Agent's offices or elsewhere, for
cash, on credit or for future delivery, and upon such other terms as the Agent
may deem commercially reasonable. The Grantor agrees that, to the extent notice
of sale shall be required by law, at least ten days' notice to the Grantor of
the time and place of any public sale or the time after which any private sale
is to be made shall constitute reasonable notification. The Agent shall not be
obligated to make any sale of Collateral regardless of notice of sale having
been given. The Agent may adjourn any public or private sale from time to time
by announcement at the time and place fixed therefor, and such sale may,
without further notice, be made at the time and place to which it was so
adjourned. At any such sale any Bank may be the purchaser, subject to the
applicable provisions of the UCC.

                 (b)        Any cash held by the Agent as Collateral and all
cash proceeds received by the Agent in respect of any sale of, collection from,
or other realization upon all or any part of the Collateral may, in the
discretion of the Agent, be held by the Agent as collateral for, and then or at
any time thereafter be applied (after payment of any amounts payable to the
Agent pursuant to Section 16) in whole or in part by the Agent for the ratable
benefit of the Banks against all or any part of the Obligations in such order
as the Agent shall elect. Any deficiency shall be paid to the Agent by the
Grantor forthwith upon demand, and any surplus of such cash or cash proceeds
held by the Agent and remaining after payment in full of all the Obligations
shall be paid over to the Grantor or to whomsoever may be lawfully entitled to
receive such surplus.

         SECTION 15.        Division Among Banks. Each reference in this
Agreement to the "ratable benefit of the Banks" shall mean, at any time,
ratably according to the outstanding amount of all Obligations owed to each of
the Banks at such time.

         SECTION 16.        Indemnity and Expenses.

                 (a)        The Grantor agrees to indemnify the Agent from and
against any and all claims, losses and liabilities (including reasonable
attorneys' fees) growing out of or resulting from this Agreement (including,
without limitation, enforcement of this Agreement), except claims, losses or
liabilities resulting from the Agent's gross negligence or willful misconduct
or for any actions brought against the Agent by any Bank.

                 (b)        The Grantor shall pay to the Agent, upon demand,
the amount of any and all reasonable expenses, including the reasonable fees
and expenses of its counsel and of any experts and agents, that the Agent may
incur in connection with (1) the administration of this Agreement, (2) the
custody, preservation, use or operation of, or the sale of, collection from, or
other realization upon, any of the Collateral, (3) the exercise or enforcement
of any of the rights of the Agent or the Banks hereunder, or (4) the failure by
the Grantor to perform or observe any of the provisions hereof.

                 (c)        In any suit, proceeding or action brought by the
Agent relating to the Collateral, the Grantor will save, indemnify and keep the
Agent and the Banks harmless from and against all expense, loss





                                      F-8
<PAGE>   75
or damage suffered by reason of any defense, setoff, counterclaim, recoupment
or reduction of liability whatsoever of the obligor thereunder, arising out of
a breach by the Grantor of any obligation thereunder or arising out of any
other agreement, indebtedness or liability at any time owing to or in favor of
such obligor or its successors from the Grantor, and all such obligations of
the Grantor shall be and remain enforceable against and only against the
Grantor and shall not be enforceable against the Agent or any Banks.

                 (d)        The provisions of this Section 16 shall survive the
termination of this Agreement and the repayment of the Notes and all other
Obligations in full.

         SECTION 17.        Security Interest Absolute. All rights of the Agent
and security interests hereunder, and all obligations of the Grantor hereunder,
shall be absolute and unconditional, irrespective of:

                 (a)        Any lack of validity or enforceability of the
Credit Agreement, the Notes or any other Loan Document;

                 (b)        Any change in the time, manner or place of payment
of, or in any other term of, all or any of the Obligations, or any other
amendment or waiver of or any consent to any departure from the Credit
Agreement, the Notes or any other Loan Document, including, without limitation,
any increase in the Obligations resulting from the extension of additional
credit to the Grantor or any of its subsidiaries or otherwise;

                 (c)        Any taking, exchange, release or non-perfection of
any other collateral, or any taking, release or amendment or waiver of, consent
to or departure from any guaranty, for all or any of the Obligations;

                 (d)        Any manner of application of collateral, or
proceeds thereof, to all or any of the Obligations, or any manner of sale or
other disposition of any collateral for all or any of the Obligations or any
other assets of the Grantor or any of its subsidiaries;

                 (e)        Any change, restructuring or termination of the
corporate structure or existence of the Grantor or any of its subsidiaries; or

                 (f)        Any other circumstance that might otherwise
constitute a defense available to, or a discharge of, the Grantor or a third
party grantor of a security interest.

         SECTION 18.        Waivers.

                 (a)        THE GRANTOR, HAVING KNOWLEDGE THAT IT MAY BE
ENTITLED TO NOTICE AND A HEARING PRIOR TO REPOSSESSION OF THE COLLATERAL,
WAIVES ANY RIGHT THAT IT MAY HAVE UNDER EXISTING OR FUTURE LAW TO NOTICE OF
FORECLOSURE AND ANY OTHER ACT DESCRIBED HEREIN OR IN ANY LOAN DOCUMENT, TO ANY
HEARING THAT MAY BE HELD RELATING TO FORECLOSURE OR ANY OTHER SUCH ACTS, AND TO
ANY NOTICE THAT MAY BE REQUIRED TO BE GIVEN BY THE AGENT PRIOR TO SUCH HEARING.

                 (b)        The Grantor waives any right to insist upon or
plead or in any way take advantage of any appraisement, valuation, stay,
marshalling of assets, extension, redemption or moratorium law now or hereafter
in force and effect so as to prevent, hinder or delay the enforcement of the
provisions of this Agreement or any Loan Document or any rights or remedies the
Agent may have hereunder or thereunder or at law or in equity.

         SECTION 19.        Amendments, etc.  No amendment or waiver of any
provision hereof, and no consent to any departure by the Grantor herefrom,
shall in any event be effective unless the same shall be in





                                      F-9
<PAGE>   76
writing and signed by the Agent, and then such waiver or consent shall be
effective only in the specific instance and for the specific purpose for which
given.

         SECTION 20.        Addresses for Notices. All notices and other
communications provided for hereunder shall be in writing (including
telecopier, telegraphic, telex or cable communication) and mailed, telecopied,
telegraphed, telexed, cabled, delivered by hand or sent, prepaid, by Federal
Express (or a comparable overnight delivery service) to the Grantor and the
Agent at their respective addresses specified in the Credit Agreement, or, as
to either party, at such other address as shall be designated by such party in
a written notice to the other party. Any such notice or other communication,
when mailed, telecopied, telegraphed, telexed, cabled, delivered by hand or
sent overnight, shall be effective on the earliest of (a) the date it is
actually received or telecopied, telexed (confirmed by telex answerback), or
delivered by hand, (b)the Business Day after the day on which it is properly
delivered to a telegraph or cable company or to Federal Express (or a
comparable overnight delivery service), as applicable, or (c) the third
Business Day after the day on which it is deposited in the United States mail.

         SECTION 21.        Continuing Security Interest. This Agreement shall
create a continuing security interest in the Collateral and shall (a) remain in
full force and effect until the later of (1) the payment in full of the
Obligations, and (2) the expiration or termination of the Advance Commitments
and the Term Loan Commitments, (b)be binding upon the Grantor, its successors
and assigns, and (c) inure to the benefit of, and be enforceable by, the Agent,
the Banks and their respective successors, transferees and assigns. Upon the
later of the payment in full of the Obligations and the expiration or
termination of the Commitments, the security interest granted hereby shall
terminate and all rights to the Collateral shall revert to the Grantor. Upon
any such termination, the Agent, at the Grantor's expense, shall execute and
deliver to the Grantor such documents as the Grantor shall reasonably request
to evidence such termination.

         SECTION 22.        Governing Law; Terms; Jury Trial Waiver. This
Agreement shall be governed by and construed in accordance with the laws of the
Commonwealth of Virginia, without reference to conflict of laws principles.
Unless otherwise defined herein or in the Credit Agreement, terms used in
Article 9 of the UCC are used herein as therein defined. THE BORROWER HEREBY
WAIVES TRIAL BY JURY IN ANY LITIGATION IN ANY COURT WITH RESPECT TO THIS
AGREEMENT OR THE ENFORCEMENT OR COLLECTION OF THE OBLIGATIONS.

         IN WITNESS WHEREOF, the Grantor has caused this Agreement to be duly
executed and delivered by its officer thereunto duly authorized as of the date
first above written.


                              MICRODYNE CORPORATION,
                              a Maryland corporation
                              
                              
                              By:                                              
                                 ----------------------------------------------
                              Name:                                            
                                   --------------------------------------------
                              Title:                                           
                                    -------------------------------------------






                                      F-10
<PAGE>   77
                                   SCHEDULE I
                                       to
                               Security Agreement




Locations of Equipment:





Locations of Inventory:





                                      F-11
<PAGE>   78
                                   EXHIBIT G 

                    Form of Patent and Trademark Assignment


                COLLATERAL ASSIGNMENT OF PATENTS AND TRADEMARKS 


         THIS COLLATERAL ASSIGNMENT OF PATENTS AND TRADEMARKS (this
"Assignment") is entered into as of January 27, 1995, between MICRODYNE
CORPORATION, a Maryland corporation with its principal place of business at
Alexandria, Virginia (the "Borrower") and CRESTAR BANK ("Crestar"), as agent
(the "Agent") for the banks (the "Banks") parties to the Credit Agreement (as
hereinafter defined).

                         W I T N E S S E T H  T H A T:


         WHEREAS, the Banks and the Agent have entered into a Credit Agreement
of even date herewith (as amended, modified or supplemented from time to time,
the "Credit Agreement," the terms defined therein and not otherwise defined
herein being used herein as therein defined) with the Borrower.

         WHEREAS, it is a condition precedent to the making of Advances and
Term Loans by the Banks and the issuance of Letters of Credit by the Agent
under the Credit Agreement that the Borrower shall have granted the security
interest contemplated by this Assignment.

         NOW, THEREFORE, in consideration of the provisions herein contained,
the parties each intending to be legally bound hereby, agree as follows:

         SECTION 1.         ASSIGNMENT.

         For valuable consideration, receipt of which is hereby acknowledged,
to secure the payment and performance of the Obligations (as defined below),
the Borrower, for itself and for its successors and assigns, grants to the
Agent for its benefit and the ratable benefit of the Banks, an ongoing security
interest in and to all of its now owned or hereafter-acquired patents,
trademarks, registered trademarks and patents and trademarks for which
applications to issue or register have been filed and are pending or are
hereafter filed with the U.S. Patent and Trademark Office or any other
governmental authority, and all assets relating thereto, together with all of
the development and quality control procedures and specifications for the
development of the products, including, but not limited to, those patents and
registered trademarks listed on Exhibit A hereto (as the same may be amended
pursuant hereto from time to time) (collectively, the "Patents and
Trademarks"), and including without limitation, all proceeds thereof (such as,
by way of example, license royalties and proceeds of infringement suits), the
right to sue for past, present and future infringements, all rights
corresponding thereto throughout the world and all reissues, divisions,
continuations, renewals, extensions and continuations-in-part thereof, to have
and to hold until the Obligations have been paid and performed in full. The
term "Obligations" shall mean the payment of all obligations of the Borrower
now or hereafter existing under the Credit Agreement, including, but not
limited to, the Loans, the Notes and all obligations, indebtedness and
liabilities of the Borrower under this Assignment and each other Loan Document,
whether now existing or hereafter arising, whether or not evidenced by notes or
other instruments, and whether such obligations, indebtedness and liabilities
are direct or indirect, fixed or contingent, liquidated or unliquidated, due or
to become due, including, without limitation, all obligations of the Borrower
arising under any LC Agreement or Letter of Credit issued by the Agent for the
account of the Borrower, and any indebtedness of the Borrower to any assignee
of the Credit Agreement.





                                      G-1
<PAGE>   79
         SECTION 2.         BORROWER'S REPRESENTATIONS AND WARRANTIES.

         The Borrower represents and warrants that:

                 (a)        to the best of the Borrower's knowledge, each of
the Patents and Trademarks is subsisting and has not been adjudged invalid or
unenforceable, in whole or in part;

                 (b)        to the best of the Borrower's knowledge, no claim
has been made that the use of any of the Patents and Trademarks does or may
violate the rights of any third person;

                 (c)        to the best of the Borrower's knowledge, the
Borrower is the sole and exclusive owner of the entire and unencumbered right,
title and interest in and to each of the Patents and Trademarks, free and clear
of any liens, charges and encumbrances that would have an adverse effect on the
Patents and Trademarks as currently used in the Borrower's business, including,
without limitation, pledges, assignments, licenses, registered user agreements
and covenants by the Borrower not to sue third persons;

                 (d)        the Borrower has the unqualified right to enter
into this Assignment and perform its terms; and

                 (e)        the Borrower will file whenever required by law for
the duration of this Assignment, all statutory notices required in connection
with its use of the Patents and Trademarks to ensure the continued registration
of the Patents and Trademarks with the U.S. Patent and Trademark Office or any
other governmental authority within the United States.

         SECTION 3.         TERMINATION OF SECURITY INTERESTS.

         When the Obligations are paid and performed in full, this Assignment
shall become and be void, and the Agent shall execute and deliver to the
Borrower all documents and instruments and perform all other reasonable acts
necessary and proper to release, and evidence the release of, such security
interest in the Patents and Trademarks.

         SECTION 4.         THE BORROWER'S COVENANTS.

         The Borrower covenants and agrees that so long as any Obligations
remain unsatisfied, the Borrower will:

                 (a)        use reasonable efforts to defend the Patents and
Trademarks against all claims and demands of all persons at any time claiming
the same or any interest therein, provided that after an Event of Default only
the Agent shall have the right to commence and prosecute any actIon or
proceeding necessary to prevent any infringement of the Patents and Trademarks;

                 (b)        comply with all the terms and provisions of this
Assignment, the Credit Agreement, the Notes and of all Loan Documents and other
documents entered into in connection therewith and herewith;

                 (c)        not sell or offer to sell, assign, license or
otherwise transfer, or permit third parties to use, the Patents and Trademarks
or any interest therein without the prior written consent of the Agent;
provided, however, that the Borrower shall be permitted to license the Patents
and Trademarks to a third party so long as such license is not inconsistent
with or detrimental to the Agent's interest in the Patents and Trademarks and
is in the ordinary course of the Borrower's business;





                                      G-2
<PAGE>   80
                 (d)        keep the Patents and Trademarks free from any
adverse liens, security interests or encumbrances and will immediately inform
the Agent of any such adverse liens, security interests or encumbrances known
to it;

                 (e)        upon its using or becoming entitled to the benefit
of any after-acquired Patents and Trademarks, it will give written notice to
the Agent of the same and said after-acquired Patents and Trademarks shall
forthwith be subject to the security interest herein and Exhibit A shall be
amended by the Agent to reflect such after-acquired Patents and Trademarks. The
Borrower agrees to execute such documents as the Agent may reasonably require
to evidence and perfect the Agent's interest in such after-acquired Patents and
Trademarks;

                 (f)        upon its filing an application for issuance,
registration or obtaining issuance or registration of any Patent and Trademarks
it now owns, it will give written notice to the Agent of the same and said
applications for issuance or registration and issued Patents and registered
Trademarks shall forthwith be subject to the security interest herein and
Exhibit A shall be amended by the Agent to reflect such applications for
issuance or registration and issued Patents and registered Trademarks.  The
Borrower agrees to execute such documents as the Agent may reasonably require
to evidence and perfect the Agent's security interest in such applications for
issuance and issued Patents or applications for registration and registered
Trademarks;

                 (g)        prosecute diligently any patent or trademark
application either pending as of the date of this Assignment or filed after
even date herewith, make federal application on patentable inventions and on
registrable but unregistered marks, file diligently and prosecute
reexamination, reissue, opposition, cancellation and infringement proceedings,
and do any and all acts which are necessary or desirable to preserve, enforce,
protect and maintain all rights in the Patents and Trademarks (if so doing is
advisable in the Borrower's discretion on its counsel's advice);

                 (h)        not abandon any Patents and Trademarks without the
prior written consent of the Banks, which consent shall not be unreasonably
withheld; and

                 (i)        require and observe, for the duration of this
Assignment, consistent standards of quality in the manufacture, development,
production and publication of the Borrower's products and services to be sold
under the Patents and Trademarks.

         Any expenses incurred by the Borrower in connection with the
Borrower's compliance with its covenants under this Assignment shall be borne
by the Borrower.

         SECTION 5.         EVENTS OF DEFAULT

         Each of the following shall constitute an "Event of Default" under
this Assignment: (a) if an Event of Default occurs under the Credit Agreement;
(b) if the Borrower shall fail to observe or perform any of the provisions of
this Assignment and such failure continues for a period of thirty days after
written notice from the Agent to the Borrower; or (c) if any representation or
warranty contained in this Assignment shall prove to be untrue in any material
respect.

         SECTION 6.         INDEMNIFICATION.

         6.1     In General. The Borrower agrees to indemnify and hold the
Agent harmless against and from any and all liability, loss, damage and
expense, including reasonable attorneys' fees, which it may or shall incur or
which may be asserted under or in connection with any of the Patents and
Trademarks, or by reason of any reasonable and appropriate action taken by the
Agent under any of the Obligations (including, without limitation, any action
which the Agent in its discretion may take to protect its interest in the
Patents and Trademarks), provided, that the Borrower shall not have any
obligations hereunder to the Agent for any actions brought





                                      G-3
<PAGE>   81
against the Agent by any Bank or for liabilities arising from the gross
negligence or willful misconduct of the Agent or any such Bank.

         6.2     Interest. Should the Agent incur any such liability as
described in Section 6. l hereof, the amount thereof, together with interest
thereon at the Base Rate plus 3.00%, shall be payable by the Borrower to the
Agent immediately upon demand, or at the option of the Agent, the Agent may
reimburse itself therefor out of any profits or royalties or license fees
recovered in connection with the Patents and Trademarks by the Agent.

         6.3     Agent's Obligation To Perform. Nothing contained herein shall
operate or be construed to obligate the Agent to perform any of the Borrower's
terms, covenants or conditions contained herein or to take any measures, legal
or otherwise, to enforce collection of any of said profits, royalties or
license fees, or otherwise to impose any obligation upon the Agent with respect
to the Patents and Trademarks.

         6.4     Borrower's Obligation To Perform. Prior to the actual taking
of possession of the Patents and Trademarks by the Agent, this Assignment shall
not operate to place upon the Agent any responsibility for the use, control,
care or protection of the Patents and Trademarks, and the execution of this
Assignment by the Borrower shall constitute conclusive evidence that all
responsibility for the use, control, care and protection of the Patents and
Trademarks is and shall be that of the Borrower prior to such actual entry and
taking possession.

         SECTION 7.         LICENSES AFTER DEFAULT.

         Upon the occurrence of an Event of Default, the Agent from time to
time thereafter, upon fifteen (15) days written notice to the Borrower, may
grant, upon such terms and provisions as the Agent shall see fit, licenses to
third parties to exercise any of the rights under the Patents and Trademarks,
or to exercise any of such rights for royalty or other periodic payments; and
the Agent may receive and retain the monies arising therefrom and apply the
same in reduction or payment of the Obligations, with the balance thereof, if
any, to be paid to the Borrower, subject to the provisions of Section 8 hereof.

         SECTION 8.         POWER OF SALE AFTER EVENT OF DEFAULT.

         Upon the occurrence of an Event of Default, in addition to all other
rights and remedies given to the Agent hereunder and those rights and remedies
provided by law including the rights and remedies of a secured party under the
Uniform Commercial Code, as in effect from time to time, in any jurisdiction in
which the Patents and Trademarks may be located, the Agent may, from time to
time thereafter, either before or after its grant of rights under the terms of
Section 7 hereof, upon ten (10) days' written notice to the Borrower, sell the
Patents and Trademarks, including any licenses or benefits accruing thereunder
if any have been granted, at public or private sale, at which the Agent may
become the purchaser, and assign and transfer all right, title and interest in
the Patents and Trademarks to the purchaser thereof. In furtherance of its
right to sell the Patents and Trademarks, the Agent may execute all deeds and
other instruments as may be necessary or proper. The Agent shall apply the
proceeds of any sale hereunder of the Patents and Trademarks for the ratable
benefit of the Banks against all or any part of the Obligations in such order
as the Agent shall elect, with the balance thereof, if any, to be paid to the
Borrower. The Borrower agrees that upon any such sale it will execute such
documents and do all further actions as may be necessary or proper for the
Agent to grant absolute title to the purchaser of any of the Patents and
Trademarks.

         SECTION 9.         POWER OF ATTORNEY.

         The Borrower hereby authorizes and empowers the Agent to make,
constitute and appoint any officer or agent of the Agent as the Agent may
select, in its exclusive discretion, as Borrower's true and lawful
attorney-in-fact of the Borrower, with the power, as fully to all intents and
purposes for it and in its name,





                                      G-4
<PAGE>   82
place and stead, to do all acts necessary in the name and stead of the Borrower
or in the Agent's name for the purpose of carrying out the terms and conditions
of this Assignment, including but not limited to the following:

                 (a)        to endorse Borrower's name on all applications,
documents, papers and instruments necessary for the Agent to use the Patents
and Trademarks;

                 (b)        to grant or issue any exclusive or non-exclusive
license under the Patents and Trademarks; and

                 (c)        to assign, pledge, convey or otherwise transfer
title in the Patents and Trademarks, provided, however, that any such
attorney-in-fact shall not exercise its rights granted hereunder unless and
until such time as there shall exist an Event of Default and the Agent shall
have accelerated the payment of the Obligations.

         The Borrower hereby ratifies and confirms all that such
attorney-in-fact shall lawfully do or cause to be done by virtue of the power
of attorney granted above and releases the Agent from any liability arising
from any good faith act or acts hereunder or in furtherance of this Assignment.
Any action or failure or refusal to act by the Agent under this power of
attorney shall be at its election and without liability on its part. This power
of attorney shall be coupled with an interest and shall be irrevocable until
the Obligations have been paid in full.

         SECTION 10.        THE AGENT'S RIGHT TO PERFORM THE BORROWER'S DUTIES.

         If the Borrower fails to comply with any of its Obligations hereunder,
the Agent may do so in Borrower's name or in the Agent's name and the Borrower
hereby ratifies all that the Agent may do by virtue of this authorization.

         SECTION 11.        MISCELLANEOUS.

         11.1    Notices. Any notices or consents required or permitted by this
Agreement shall be in writing and shall be delivered as provided in the Credit
Agreement.

         11.2    Applicable Law; Waiver of Trial by Jury. The law of the
Commonwealth of Virginia shall govern the construction and enforcement of this
Assignment and the rights and remedies of the parties hereto. BORROWER HEREBY
WAIVES TRIAL BY JURY IN ANY LITIGATION IN ANY COURT WITH RESPECT TO THIS
ASSIGNMENT OR THE ENFORCEMENT OR COLLECTION OF THE OBLIGATIONS.

         11.3    Binding Effect. This Assignment shall inure to the benefit of,
and shall be binding upon, the respective successors and assigns of the parties
hereto.

         11.4    Expenses of the Agent. The Borrower will pay all expenses,
including the reasonable fees and expenses of legal counsel to the Agent, in
connection with the preparation and enforcement of this Assignment; until paid,
such fees and expenses shall constitute Obligations secured hereby.

         11.5    Definitions. Incorporated herein by reference are the
representations, warranties and agreements of the Borrower and the definitions,
terms and conditions as set forth in the Credit Agreement. If the terms of this
Assignment are inconsistent with the terms of the Credit Agreement, the terms
of the Credit Agreement shall control.

         11.6    Further Acts. The Borrower shall do, make, execute and deliver
all such additional and further acts, deeds, assurances and instruments as the
Agent may reasonably require for the purpose of more completely vesting in and
assuring to the Agent its rights hereunder in or to the Patents and Trademarks.





                                      G-5
<PAGE>   83

         11.7    Waiver. Neither any course of dealing between Borrower and the
Agent nor any failure to exercise, or any delay in exercising, on the part of
the Agent, any right, power or privilege hereunder or under the Credit
Agreement shall operate as a waiver thereof; nor shall any single or partial
exercise of any right, power or privilege hereunder or thereunder preclude any
other or further exercise thereof or the exercise of any other right, power or
privilege.

         11.8    Exercise of Rights and Remedies. The Agent's rights and
remedies with respect to the Patents and Trademarks, whether established hereby
or by the Credit Agreement, or by any other agreements or by law shall be
cumulative and may be exercised singularly or concurrently.

         11.9    Amendments. No change, amendment, modification, assignment of
rights or obligations, cancellation or discharge hereof, or for any part
hereof, shall be valid unless the Agent and the Borrower shall have consented
thereto in writing.

         11.10   Captions. The captions and section headings of this Assignment
are for convenience and reference only and shall not in any way define, limit,
or describe the construction, terms or provisions of this Assignment.

                         [SIGNATURES ON FOLLOWING PAGE]





                                      G-6
<PAGE>   84
         IN WITNESS WHEREOF, the parties hereto have caused their duly
authorized officers to duly execute this Assignment as an instrument under seal
all as of the day and year first above written.


                              MICRODYNE CORPORATION,
                              a Maryland corporation
                              
                              
                              By:                                              
                                 ----------------------------------------------
                              Name:                                            
                                   --------------------------------------------
                              Title:
                              
                              
                              CRESTAR BANK, a Virginia banking corporation, as
                              Agent
                              
                              
                              By:                                              
                                 ----------------------------------------------
                                       Diane D. Taylor
                                       Senior Vice President


COMMONWEALTH OF VIRGINIA  )
                          )
__________ OF _________   ) to-wit:


         On the ___ day of January, 1995, before me, the undersigned, a Notary
Public of the aforesaid jurisdiction, personally appeared
______________________________, as ____________________ of Microdyne
Corporation, a Maryland corporation, to me known and known by me to be the
person whose name is subscribed to the foregoing instrument on behalf of said
corporation, and who acknowledged said instrument so executed by him to be his
free act and deed and the free act and deed of said corporation.

                                                                               
                                              ----------------------------------
                                              Notary Public


My commission expires:_____________________


COMMONWEALTH OF VIRGINIA  )
                          )
__________ OF _________   ) to-wit:

         On the ___ day of January, 1995, before me, the undersigned Notary
Public in the aforesaid jurisdiction, personally appeared Diane D. Taylor, as
Senior Vice President of Crestar Bank, a Virginia banking corporation, whose
name as Agent is subscribed to the foregoing instrument and acknowledges the
same on behalf of the corporation.


                                                                               
                                              ---------------------------------
                                              Notary Public


My commission expires:_____________________





                                      G-7
<PAGE>   85
                                   EXHIBIT A


PATENTS

<TABLE>
<CAPTION>
                      Application or                                    Issue or Filing
                        Patent No.                 Country                    Date                    Title
                        ----------                 -------                    ----                    -----
<S>                   <C>                          <C>                  <C>                           <C>
</TABLE>





TRADEMARKS


<TABLE>
<CAPTION>
                            Application or        Registration or Filing
                               Mark No.                    Date                             Mark
                               --------                    ----                             ----
<S>                         <C>                    <C>                                 <C>
</TABLE>





                                      G-8

<PAGE>   1



                                                                   EXHIBIT 10.12


                               FIRST AMENDMENT TO
                                CREDIT AGREEMENT


         THIS FIRST AMENDMENT TO CREDIT AGREEMENT (the Amendment), dated as of
October 26, 1995, is made by and between MICRODYNE CORPORATION, a Maryland
corporation (the "Borrower"), CRESTAR BANK and NBD BANK (the "Banks"), and
CRESTAR BANK ("Crestar") as agent (the "Agent") for the Banks.

                                    RECITALS

         The Borrower, the Banks and the Agent are parties to a Credit
Agreement, dated as of January 27, 1995 (as amended, modified or supplemented
from time to time, the ("Agreement").  Terms defined in the Agreement shall
have the same defined meanings when such terms are used in this Amendment.

         The Borrower and the Banks have agreed to increase the Maximum Amount,
subject to the terms and conditions of this Amendment.  Accordingly, for
valuable consideration, the receipt and sufficiency of which are acknowledged,
the Borrower, the Banks and the Agent agree as follows:

         1.      The following definition is added to Section 1. 1 of the
Agreement:

                          "Discretionary Letter of Credit" means any Letter of
         Credit the Agent may issue for the account of the Borrower in
         accordance with Section 2.3 below.

         2.      The following definitions contained in Section 1. 1 of the
Agreement are deleted in their entirety and replaced with the following
provisions:

                          "Advance Commitment" means $15,619,500 in the case of
         Crestar and $6,880,500 in the case of NBD.

                          "Agreement" means this Credit Agreement, as the same
         may be amended, modified or supplemented from time to time.

                          "Borrowing Base" means, at the time in question, the
         sum of the following: (a) 75% of Eligible Billed Receivables, plus
         (b)the applicable Inventory Component; provided, however, that the
         Borrowing Base shall be reduced by an amount equal to the aggregate of
         the face amounts of Discretionary Letters of Credit, whether such
         Letters of Credit are now outstanding or hereafter issued.

                          "Maximum Amount" means, with respect to the Advances,
         $22,500,000.
<PAGE>   2
         3.      Section 2. 1(b) is deleted in its entirety and replaced with
the following provisions:


                          "(b) The Borrower shall immediately prepay the
         Advances to the extent that the sum of the aggregate unpaid principal
         balance of the Advances plus the aggregate face amounts of the
         Discretionary Letters of Credit at any time exceeds the Borrowing
         Base. If, after such repayment of the Advances, all or a portion of
         the aggregate face amount of outstanding Discretionary Letters of
         Credit still exceeds the Borrowing Base, the Borrower, within five
         days of the Agent's demand therefor, shall pay to the Agent an amount
         of cash equal to such excess amount, and such amounts of cash shall be
         held by the Agent in a cash collateral account for the benefit of the
         Banks, over which the Agent shall have the exclusive power of
         withdrawal, as security for the Obligations arising out of the
         Discretionary Letters of Credit and the corresponding LC Agreements."


         4.      The figure "$17,500,000" contained in Section 2.11(a) of the
Agreement is deleted and replaced with "$22,500,000."

         5.      Section 7.3(b) of the Agreement is deleted in its entirety and
replaced with the following provisions:

                 "(b) Leverage Ratio. As of the last day of each fiscal quarter
         of the Borrower, a Leverage Ratio of not greater than (1) 5.25 to 1 as
         of March 30, 1995 and June 30, 1995, (2) 3.00 to 1 as of September 30,
         1995, (3) 2.75 to 1 as of December 31, 1995, through and including the
         fiscal quarter ending on June 30, 1996, and (4) 2.0 to 1 as of
         September 30, 1996, and for each fiscal quarter thereafter."

         6.      The Borrower shall pay to the Agent, for the ratable benefit
of the Banks in accordance with their Commitment Percentages, $ 1 ,163. 19,
equal to the increased commitment fee payable under Section 2. 11(a) of the
Agreement, pro rated to the number of days between the date of this Amendment
and December 31, 1995, the last day of the current calendar quarter. Such
commitment fee shall be due and payable by the Borrower simultaneously with the
execution of this Amendment.

         7.      Simultaneously with the execution of this Amendment, the
Borrower agrees to execute and deliver to the Banks amended and restated
Revolving Notes, in form and substance substantially similar to the original
Revolving Notes and reflecting the increase in the Maximum Amount. The Borrower
agrees that no Bank shall have any obligation to fund any Advances under the
increase in the Maximum Amount effected hereby until each Bank has received its
respective amended and restated Revolving Note required under this paragraph 7.
After receipt of their respective amended and restated Revolving Note, the
Banks agree to return the superseded Revolving Notes to the Borrower.





                                      -2-
<PAGE>   3
         8.      The Borrower agrees that each reference in the Agreement and
any other Loan Document (a) to the Obligations shall include the increase in
the Maximum Amount effected hereby, (b)to the Revolving Notes shall be a
reference to the original Revolving Notes as amended and restated by the
Revolving Notes required by paragraph 7 above, and (c) to the Agreement shall
be deemed to be a reference to the Agreement as amended hereby.

         9.      Except for the amendments to the Agreement expressly set forth
above, the Agreement and the other Loan Documents shall remain in full force
and effect. The Borrower acknowledges and agrees that this Amendment only
amends the terms of the Agreement and is not a novation, and the Borrower
ratifies and confirms the remaining terms and provisions of the Agreement and
the other Loan Documents in all respects. Nothing in this Amendment shall
require the Banks to grant any further amendments to the terms of the Loan
Documents.

         10.     The Borrower acknowledges and agrees that (a) there are no
defenses, counterclaims or setoffs against any of its obligations under the
Loan Documents, and (b)the prior grant of a security interest in the Collateral
created by the Security Agreement and the Patent and Trademark Assignment
continues to secure the Obligations (including, but not limited to, the
increase in the Maximum Amount effected hereby and the amended and restated
Revolving Notes required under paragraph 7 above), is in full force and effect,
and is ratified and confirmed by the Borrower in all respects.

         11.     The Borrower represents and warrants that this Amendment has
been duly authorized, executed and delivered by it in accordance with
resolutions adopted by its board of directors.  All other representations and
warranties made by the Borrower in the Loan Documents are incorporated by
reference m this Amendment and are deemed to have been repeated as of the date
of this Amendment with the same force and effect as if set forth in this
Amendment, except that any representation or warranty relating to any financial
statements shall be deemed to be applicable to the financial statements most
recently delivered to the Banks in accordance with the provisions of the Loan
Documents.

         12.     The Borrower agrees to pay all costs and expenses incurred by
the Agent in connection with this Amendment, including, but not limited to,
reasonable attorneys' fees.

         13.     This Amendment shall be governed by the laws of the
Commonwealth of Virginia, without reference to conflict of laws principles.

         14.     This Amendment may be executed by the parties individually or
in any combination, in one or more counterpartS, each of which shall be an
original and all of which together constitute one and the same instrument.

                         [SIGNATURES ON FOLLOWING PAGE]





                                      -3-
<PAGE>   4
         WITNESS the following signatures.


                                     BORROWER:
                                     -------- 
                                     
                                     
                                     MICRODYNE CORPORATION,
                                     a Maryland corporation
                                     
                                     
                                     By:\s\ Christopher M. Maginniss           
                                        ----------------------------------------
                                     Name:  Christopher M. Maginniss
                                     Title: Executive Vice President
                                     
                                     
                                     AGENT:
                                     ----- 
                                     
                                     CRESTAR BANK
                                     
                                     
                                     By:\s\ Miriam M. Sadler                   
                                        ----------------------------------------
                                             Miriam M. Sadler
                                             Senior Vice President
                                     
                                     
                                     BANKS:
                                     ----- 
                                     
                                     CRESTAR BANK
                                     
                                     
                                     By:\s\ Miriam M. Sadler                   
                                        ----------------------------------------
                                             Miriam M. Sadler
                                             Senior Vice President
                                     
                                     
                                     NBD BANK
                                     
                                     
                                     By:\s\ Larry E. Schuster                  
                                        ----------------------------------------
                                     Name:  Larry E. Schuster                  
                                          --------------------------------------
                                     Title: Vice President                    
                                           -------------------------------------






                                      -4-


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