APPLIED DIGITAL ACCESS INC
10-Q, 1998-05-15
INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS
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<PAGE>


                                   UNITED STATES
                         SECURITIES AND EXCHANGE COMMISSION
                               WASHINGTON, D.C. 20549

                                     FORM 10-Q

[X]  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934

                     FOR THE QUARTERLY PERIOD ENDED MARCH 31, 1998
                                         

[  ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934


                          COMMISSION FILE NUMBER 000-23698

                             APPLIED DIGITAL ACCESS, INC.
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)


               DELAWARE                                  68-0132939 
     (STATE OR OTHER JURISDICTION OF           (IRS EMPLOYER IDENTIFICATION NO.)
      INCORPORATION OR ORGANIZATION) 


                  9855 SCRANTON ROAD, SAN DIEGO, CALIFORNIA 92121
                 (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES, ZIP CODE)

                                   (619) 623-2200
                (REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE)

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days.   Yes [X]       No [ ]

There were 12,674,294 shares of the registrant's Common Stock, $0.001 par value,
outstanding on April 30, 1998.

<PAGE>

                           APPLIED DIGITAL ACCESS, INC.

                                 INDEX TO FORM 10-Q
                                          


<TABLE>                     
<CAPTION>                                                                              
                                                                                               PAGE
<S>       <C>                                                                                  <C> 
PART I.   FINANCIAL INFORMATION 

Item 1.   Financial Statements 

          Condensed Consolidated Balance Sheets at
          March 31, 1998 and December 31, 1997 . . . . . . . . . . . . . . . . . . . . . .       3

          Condensed Consolidated Statement of Operations for the
          three months ended March 31, 1998 and March 31, 1997 . . . . . . . . . . . . . .       4

          Condensed Consolidated Statement of Cash Flows for the three
          months ended March 31, 1998 and March 31, 1997 . . . . . . . . . . . . . . . . .       5

          Notes to Condensed Consolidated Financial Statements . . . . . . . . . . . . . .     6 - 7

Item 2.   Management's Discussion and Analysis of Financial Condition
          and Results of Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . .     8 -10

          Risks and Uncertainties. . . . . . . . . . . . . . . . . . . . . . . . . . . . .     10-16

Item 3.   Quantitative and Qualitative Disclosures About Market Risk . . . . . . . . . . .       16

PART II.  OTHER INFORMATION 

Item 1.   Legal Proceedings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .       17

Item 2.   Changes in Securities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .       17

Item 3.   Defaults Upon Senior Securities. . . . . . . . . . . . . . . . . . . . . . . . .       17

Item 4.   Submission of Matters to a Vote of  Security Holders . . . . . . . . . . . . . .       17

Item 5.   Other Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .       17

Item 6.   Exhibits and Reports on Form 8-K . . . . . . . . . . . . . . . . . . . . . . . .       17

SIGNATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .       18
</TABLE>

                                       2

<PAGE>
                                         
                                       PART I
                                          
                               FINANCIAL INFORMATION
 
ITEM 1.   FINANCIAL STATEMENTS

                            APPLIED DIGITAL ACCESS, INC.

                        CONDENSED CONSOLIDATED BALANCE SHEETS

<TABLE>
<CAPTION>
                                                        MARCH 31,          DECEMBER 31,
                                                          1998                 1997     
                                                        ---------          ------------
                                                       (UNAUDITED)
                                                            (DOLLARS IN THOUSANDS)
<S>                                                    <C>                    <C>
 ASSETS
 Current assets:                                                    
   Cash and cash equivalents                            $ 3,291               $ 4,400
   Investments - current                                  9,320                 8,779
   Accounts receivable, net                               9,132                12,981
   Inventory, net                                         5,345                 5,859
   Deferred income taxes                                    130                   130
   Prepaid expenses and other current assets              3,611                 3,775
                                                       ---------              --------

     Total current assets                                30,829                35,924
                                                                    
 Property and equipment, net                              6,216                 6,165
 Deferred income taxes                                    2,538                 1,372
 Other, net                                               1,372                 2,822
                                                       ---------              --------
                                                        $40,955               $46,283
                                                       ---------              --------
                                                       ---------              --------
                                                                    
 LIABILITIES AND SHAREHOLDERS' EQUITY                               
 Current liabilities:                                               
   Accounts payable                                     $ 4,334               $ 3,478
   Accrued expenses                                       1,281                 2,864
   Accrued warranty                                       1,318                 1,323
   Deferred revenue                                       1,695                 1,471
                                                       ---------              --------
                                                                    
       Total current liabilities                          8,628                 9,136

   Obligations under capital leases, net
     of current portion                                      10                    15
                                                       ---------              --------
       Total liabilities                                  8,638                 9,151

 Shareholders' equity:
   Preferred stock, $0.001 par value, 7,500,000          
     shares authorized, no shares issued                   -                     -
   Common stock, $0.001 par value,
     30,000,000 shares authorized, 12,671,267 
     and 12,605,082 shares issued and outstanding 
     at March 31, 1998 and December 31, 1997, 
     respectively                                        51,894                51,610
   Additional paid-in capital                             2,519                 2,492
   Unrealized gain on investments                           166                    84
   Accumulated deficit                                  (22,262)              (17,054)
                                                       ---------              --------
       Total shareholders' equity                        32,317                37,132
                                                       ---------              --------
                                                        $40,955               $46,283
                                                       ---------              --------
                                                       ---------              --------
</TABLE>
 
    The accompanying notes are an integral part of the consolidated financial
                                    statements.

                                       3

<PAGE>

                            APPLIED DIGITAL ACCESS, INC.
                  CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                                    (UNAUDITED)
                                          
                                                            
                                                FOR THE THREE MONTHS     
                                                    ENDED MARCH 31,     
                                            -----------------------------
                                                1997            1998 
                                            ------------     ------------
                                             (AMOUNTS IN THOUSANDS EXCEPT
                                                    PER SHARE AMOUNT)
<TABLE>
<CAPTION>
<S>                                         <C>              <C> 
Revenue                                      $5,272           $6,388  
Cost of revenue                               3,664            3,211
                                            ---------        ---------

Gross profit                                  1,608            3,177
                                                                
Operating expenses:                                             
  Research and development                    3,544            2,001
  Sales and marketing                         2,280            1,458
  General and administrative                  1,119            1,355
                                            ---------        ---------
                                                                
Total operating expenses                      6,943            4,814
                                            ---------        ---------
                                                                
Operating loss                               (5,335)          (1,637)
                                                                
Interest income                                 175              243
Other income (expense), net                     (11)              (4)
                                            ---------        ---------

Loss before income taxes                     (5,171)          (1,398)
                                                                 
Provision for income taxes                       37               51
                                            ---------        ---------
Net loss                                    ($5,208)         ($1,449)
                                            ---------        ---------
Net loss per basic and diluted share         ($0.41)          ($0.12)
                                            ---------        ---------
                                            ---------        ---------
Number of shares used in per share                              
  computations                               12,624           12,310

Comprehensive Loss                          ($5,127)         ($1,465)
                                           ---------         --------
                                           ---------         --------
</TABLE>

The accompanying notes are an integral part of the consolidated financial
                                   statements.

                                       4
<PAGE>

                          APPLIED DIGITAL ACCESS, INC.
                 CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                                   (UNAUDITED)


                                                    FOR THE THREE MONTHS     
                                                        ENDED MARCH 31,     
                                                -----------------------------
                                                    1998            1997 
                                                ------------     ------------
                                                     (DOLLARS IN THOUSANDS)
<TABLE>
<CAPTION>
<S>                                             <C>              <C>
 Cash flows from operating activities:
   Net loss                                     ($5,208)         ($1,449)
   Adjustments to reconcile net loss to net                        
     cash provided (used) by operating                       
     activities:
       Depreciation and amortization                918              661
       Other                                         17               51
 Changes in assets and liabilities:                              
   Accounts receivable                            3,849              645
   Inventory                                        514              240
   Prepaid expenses and other current               164               80
     assets
   Accounts payable                                 856              145
   Accrued expenses                              (1,584)            (251)
   Accrued warranty                                  (5)              (5)
   Deferred revenue                                 224              (91)
                                                --------         --------

   Net cash provided (used) by operating 
     activities:                                   (255)              26
                                                --------         --------
 Cash flows from investing activities:                              
   Purchases of investments                      (3,413)          (6,789)
   Maturities of investments                      2,935            6,944
   Purchases of property and equipment             (684)            (249)
                                                --------         --------
   Net cash used by investing activities         (1,162)             (94)

 Cash flows from financing activities:                              
   Principal payments on capital leases             (4)               (3)
   Proceeds from the issuance of common                            
     stock under stock option plans                 312              298
                                                --------         --------
  Net cash provided by financing activities         308              295
                                                --------         --------
  Net increase (decrease) in cash and            (1,109)             227
    cash equivalents
                                                                    
  Cash and cash equivalents, beginning of         4,400            1,504
    period
                                                --------         --------
  Cash and cash equivalents, end of period       $3,291           $1,731
                                                --------         --------
                                                --------         --------
</TABLE>

 The accompanying notes are an integral part of the consolidated financial
                                  statements.

                                       5


<PAGE>
                            APPLIED DIGITAL ACCESS, INC.

                Notes to Condensed Consolidated Financial Statements
                                   March 31, 1998
                                    (Unaudited)

1.   Basis of Presentation 

     The accompanying unaudited condensed consolidated financial statements
     include the accounts of Applied Digital Access, Inc. (the "Company" or
     "ADA") and its wholly owned subsidiary: Applied Digital Access - Canada,
     Inc. All significant intercompany balances and transactions have been
     eliminated in consolidation. These financial statements have been prepared
     in accordance with the interim reporting requirements of Form 10-Q,
     pursuant to the rules and regulations of the Securities and Exchange
     Commission ("SEC"). Accordingly, they do not include all of the information
     and footnotes required by generally accepted accounting principles for
     complete financial statements.

     In the opinion of management, all adjustments (consisting of only normal
     recurring adjustments) considered necessary for a fair presentation have
     been included. Operating results for the three month period ended March 31,
     1998 are not necessarily indicative of the results that may be expected for
     the year ending December 31, 1998. These financial statements should be
     read in conjunction with the Company's audited financial statements and
     notes thereto, together with Management's Discussion and Analysis of
     Financial Condition and Results of Operations, and Risks and Uncertainties,
     contained in the Company's Annual Report on Form 10-K for the fiscal year
     ended December 31, 1997 filed with the SEC.

2.   New Accounting Pronouncements

     The Company has adopted the provisions of Statement of Financial Accounting
     Standards No. 130, "Reporting of Comprehensive Income," effective January
     1, 1998.  This statement requires the disclosure of comprehensive income
     and its components in a full set of general-purpose financial statements. 
     Comprehensive income is defined as net income plus revenues, expenses,
     gains and losses that, under generally accepted accounting principles, are
     excluded from net income.  The components of comprehensive income, which
     are excluded from net income are foreign currency gains/losses and
     unrealized gains/losses on securities and have been included in the
     calculation of comprehensive income.

     In June 1997, the Financial Accounting Standards Board issued Statement of
     Financial Accounting Standards No. 131, "Disclosures about Segments of an
     Enterprise and Related Information" ("SFAS 131"), which supersedes
     Statement of Financial Accounting Standards, "Financial Reporting of
     Segments of a Business Enterprise" ("SFAS 14").  SFAS 131 changes current
     practice under SFAS 14 by establishing a new framework on which to base
     segment reporting and also requires interim reporting of segments
     information.  This statement is effective for fiscal years beginning after
     December 15, 1997.  This statement's interim reporting disclosures are not
     required until the first quarter immediately subsequent to the fiscal year
     in which SFAS 131 is effective.
       
3.   Inventory
 
     Inventory is valued at the lower of cost (determined using the first-in,
     first-out method) or market. Inventory was as follows:
<TABLE>
<CAPTION>
                                       MARCH 31, 1998          DECEMBER 31, 1997
                                       --------------          -----------------
                                                (DOLLARS IN THOUSANDS)
<S>                                        <C>                       <C>

         Raw materials                     $2,855                    $3,419
         Work-in-process                    2,220                     2,223
         Finished goods                       716                       787
                                           -------                   ------- 
                                            5,791                     6,429
         Less inventory reserve              (446)                     (570)
                                           -------                   ------- 
                                           $5,345                    $5,859
                                           -------                   ------- 
                                           -------                   ------- 
</TABLE>
                                       6

<PAGE>

4.   Per Share Information 

     The Company has adopted the provisions of SFAS No. 128, EARNINGS PER SHARE,
     effective December 31, 1997. SFAS No. 128 requires the  presentation of
     basic and diluted earnings per share. Basic EPS is  computed by dividing
     income available to common stockholders by the  weighted average number of
     common shares outstanding for the period.  Diluted EPS is computed giving
     effect to all dilutive potential common  shares that were outstanding
     during the period. Dilutive potential  common shares consist of the
     incremental common shares issuable upon the  conversion of convertible
     preferred stock (using the "if converted")  method and exercise of stock
     options and warrants for all periods. All  prior period earnings per share
     amounts have been restated to comply  with SFAS No. 128.  
     
     In accordance with the disclosure requirements of SFAS No. 128, a
     reconciliation of the numerator and denominator of basic and diluted EPS is
     provided as follows (dollars in thousands, except per share amounts).

<TABLE>
<CAPTION>
                                                           THREE MONTHS ENDED MARCH 31,
                                                           ----------------------------
                                                             1998                 1997
                                                           --------             --------
            <S>                                             <C>                  <C>  
            Numerator - basic and diluted EPS:
              Net loss                                     $(5,208)            $(1,449)
     
            Denominator - basis and diluted EPS:
              Weighted average common stock outstanding     12,624              12,310
     
            Basic and diluted earnings per share           $ (0.41)            $ (0.12)

</TABLE>

                                       7

<PAGE>

ITEM 2.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
          RESULTS OF OPERATIONS

THE STATEMENTS CONTAINED IN THIS FORM 10-Q THAT ARE NOT PURELY HISTORICAL ARE 
FORWARD LOOKING STATEMENTS.  STATEMENTS WHICH USE THE WORDS "OBJECTIVE," 
"SEEK," "INTEND," "WILL," "ANTICIPATE," "CAN," "CONTINUE," AND "EXPECT" ARE 
FORWARD LOOKING STATEMENTS.  THESE FORWARD LOOKING STATEMENTS, INCLUDING 
STATEMENTS REGARDING (I) PLANS FOR DEVELOPMENT OR ACQUISITION OF NEW PRODUCTS 
OR ENHANCEMENT OF EXISTING PRODUCTS, (II) STRATEGY AND (III) EXPANDED SALES 
AND MARKETING EFFORTS, ARE BASED ON INFORMATION AVAILABLE TO THE COMPANY AS 
OF THE DATE HEREOF, AND THE COMPANY ASSUMES NO OBLIGATION TO UPDATE ANY SUCH 
FORWARD LOOKING STATEMENT.  IT IS IMPORTANT TO NOTE THAT THE COMPANY'S ACTUAL 
RESULTS COULD DIFFER MATERIALLY FROM THOSE IN SUCH FORWARD LOOKING 
STATEMENTS. AMONG THE FACTORS THAT COULD CAUSE ACTUAL RESULTS TO DIFFER 
MATERIALLY ARE THE FACTORS SET FORTH BELOW UNDER THE HEADING "RISKS AND 
UNCERTAINTIES."

The following should be read in conjunction with "Management's Discussion and
Analysis of Financial Condition and Results of Operations" and "Risks and
Uncertainties", contained in the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997 filed with the Securities and Exchange
Commission.

OVERVIEW 
     
ADA is a leading provider of network performance management products  that 
include systems, software, and services used to manage the quality, 
performance, availability and reliability of telecommunications service 
providers' ("TSP") networks.  ADA's products are designed to enable TSPs to 
improve their quality of service, to increase productivity, to lower 
operating expenses and to effectively deploy new services.  ADA has 
positioned its business to assist TSPs in addressing the rapidly increasing 
demand for new services, higher bandwidth and access to the Internet.  ADA's 
systems and software provide network management functions such as circuit 
provisioning,   network configuration management, network performance 
management, circuit testing, and traffic management of the public switched 
network. ADA has addressed the industry demand for network management 
products with a  three-faceted approach:  (1) network systems that provide 
testing and performance monitoring functions as well as selected transport 
functions; (2) network management software that enables TSPs to manage their 
network operations; and (3) services that are customized to meet the evolving 
needs of our TSP market. The Company has two business units: the Network 
Systems business unit and the Network Management business unit.  The business 
units are the result of the evolution of the Company from a single product 
line to multiple product lines.  The Network Systems business unit is built 
around the Company's test and performance management products and services, 
including its T3AS Test and Performance Monitoring System ("T3AS"), 
Centralized Test System ("CTS"), Remote Module, a DS1 network interface unit 
("NIU"), and Protocol Analysis Access System ("PAAS").  The Network 
Management business unit focuses on Operations Systems ("OS") software 
products, including .Provisioner, Test OS, Graphical Test Assistant ("GTA"), 
Sectionalizer, Fault Management System ("FMS"), Traffic Data Collection and 
Engineering System ("TDC&E"), and OS design services.

RESULTS OF OPERATIONS

Revenue totaled $5,272,000 for the three months ended March 31, 1998, a 17% 
decrease from revenue of $6,388,000 for the three months ended March 31, 
1997. The decrease was primarily due to decreased revenue from the Company's 
network management OS design services. Revenue from network management OS 
software products and services totaled $2,155,000 for the quarter ended March 
31, 1998, a 41% decrease from $3,629,000 in the same prior year period.  The 
decrease resulted from decreased sales of the Company's OS design services to 
Northern Telecom, Ltd. ("Northern Telecom") partially offset by increased 
sales of the Company's . Provisioner and Test OS software products.  The 
Company acquired an exclusive license to Northern Telecom's DSS II software 
product in June 1997. The Company markets and supports the DSS II product and 
technology under the new name . Provisioner.  Prior to the acquisition, the 
Company provided OS design services to Northern Telecom that supported the 
DSS II product.  As a result of the acquisition, the Company's OS design 
services business supporting DSS II shifted to a product based business.  
Unlike revenue from OS design services which is recognized as the service is 
performed, revenue from OS software product sales requires the satisfaction 
of specific delivery and acceptance criteria prior to revenue recognition.  
As a result, the Company has experienced and may in the future continue to 
experience increased quarterly revenue fluctuations that could have a 
material adverse affect on the Company's business, operating results and 
financial condition.  The decrease in network management OS software products 
and services revenue was partially offset by an increase in network systems 
test and performance management products and services revenue. Revenue from 
the Company's network systems test and performance management products 
totaled $3,117,000 for the quarter ended March 31, 1998, a 13% increase from 
$2,759,000 in the same quarter a year ago. The net increase was primarily the 
result of increased sales of the Company's Remote Module product largely 
offset by decreased sales of the Company's T3AS systems.  The Company 
believes that revenue in the first quarter of 1998 was also negatively 
impacted by customer order delays resulting from prolonged contract 
negotiations with a current RBOC customer and seasonality of booking patterns 
in the telecommunications industry that typically result in decreased orders 
in calendar first quarter.  There can be no assurance that customer order 
delays and seasonal factors will not continue in the future, each of which 

<PAGE>

could have a material adverse effect on the Company's business, operating 
results and financial condition.  SEE "RISKS AND UNCERTAINTIES -- 
FLUCTUATIONS IN QUARTERLY OPERATING RESULTS; HISTORY OF LOSSES" AND "-- 
CONCENTRATION OF MAJOR CUSTOMERS; TELEPHONE COMPANY QUALIFICATION 
REQUIREMENTS."

Gross profit totaled $1,608,000 for the three months ended March 31, 1998, a
decrease of 49% from $3,177,000 in the first quarter of 1997. Gross profit as a
percent of revenue was 31% for the three months ended March 31, 1998 compared to
50% for the three months ended March 31, 1997.  The decrease in gross profit was
the result of decreased revenue, a product mix weighted toward the Company's
Remote Module NIU and CTS products which carry lower gross profit margins than
T3AS systems, and the impact of a $378,000 one-time inventory obsolescence
charge in the first quarter of 1998. The highly competitive NIU and CTS markets
are subject to severe pricing pressures which have contributed to significantly
lower overall gross profits on these products.  In addition, the Company's
relatively fixed manufacturing overhead costs allocated over lower revenue
levels in the first quarter of 1998 resulted in lower overall gross profit
levels.  The decrease in gross profit as a percent of revenue resulted from the
factors discussed above partially offset by an increase in gross profit as a
percent of revenue due to a shift in the majority of the Company's OS design
services business to an OS software product-based business.  As a result of the
 .Provisioner (formerly DSS II) license acquisition from Northern Telecom, a
majority of engineering labor previously associated with OS design services
revenue shifted from the cost of revenue line to research and development
operating expenses supporting OS software product development. There can be no
assurance that the Company will be able to maintain current gross profit or
gross profit as a percent of revenue levels. Factors which may materially and
adversely affect the Company's gross profit in the future include its level of
revenue, competitive pricing pressure in the telecommunication network
management market, fluctuations in quarterly order bookings and revenue, new
product introductions by the Company or its competitors, potential inventory
obsolesce and scrap, possible recalls, production or quality problems, timing of
development expenditures, changes in material cost, disruptions in sources of
supply, regulatory changes,  capital spending, and changes in general economic
conditions.

Research and development expenses totaled $3,544,000 for the three months ended
March 31, 1998, a 77% increase from $2,001,000 for the three months ended March
31, 1997.  The majority of the increase was due to the shift in engineering
labor from cost of revenue to research and development operating expenses as a
result of the .Provisioner license acquisition discussed above in the gross
profit analysis and the addition of research and development personnel to
support the Joint Development Agreement ("JDA") with Northern Telecom, Inc.
("Nortel").  In September 1997, the Company entered into the JDA with Nortel to
develop unique synchronous optical network ("SONET") products for the
telecommunications industry.  Nortel and ADA both contribute technology and
development resources to projects conducted under the JDA and equally share the
development costs.  For the quarter ended March 31, 1998, the Company's research
and development expenses include a  $700,000 reduction representing Nortel's
proportionate share of first quarter 1998 development costs incurred under the
initial project being conducted under the JDA.  The Company believes that its
future success depends on its ability to maintain its technological leadership
through enhancement of its existing products and development of innovative new
products and services that meet customer needs. Therefore, the Company intends
to continue to make significant investments in research and product development
in association with planned development projects.

Sales and marketing expenses totaled $2,280,000 for the three months ended March
31, 1998, a 56% increase from $1,458,000 for the three months ended March 31,
1997.  The majority of the increase is the result of increased staff in sales
and marketing to support increased sales and marketing efforts and new customer
accounts and increased personnel costs in technical support and marketing  to
support the shift of a majority of the Company's OS design services business to
an OS software product based business.  The Company expects that sales and
marketing expenses will continue to increase in absolute dollars as the Company
continues to hire additional sales, marketing and technical support personnel to
support both current products and planned product introductions.

General and administrative expenses totaled $1,119,000 for the three months
ended March 31, 1998, a 17% decrease from $1,355,000 for the three months ended
March 31, 1997.  The decrease is due to lower recruiting and consulting costs
and a general decrease in administrative expenditures in the first quarter of
1998.  The Company expects that general and administrative expenses will
increase in absolute dollars in the future as the Company expands its internal
networking capabilities to support the integration of its geographically
distributed organization. 

Interest income totaled $175,000 for the first quarter of 1998, a 28% decrease
from $243,000 in the same quarter a year ago. The decrease was the result of a
decreased level of cash investments compared to the same period last year.

For the three months ended March 31, 1998 and March 31, 1997, the Company
provided for income taxes related to the operations of the Company's Canadian
subsidiary, based on an annual effective Canadian tax rate of 46%. The Company
did not provide for U.S. income taxes for the three months ended March 31, 1998
or March 31, 1997 due to a net loss in both quarters. The Company expects 

                                       9

<PAGE>

to provide for foreign, federal and state income taxes for 1998 at applicable 
statutory rates, after giving effect to net operating losses, remaining 
available net operating loss carryforwards, and any available tax credits.

As a result of the factors discussed above, the Company incurred a net loss of
$5,208,000, or $.41 per basic and diluted share, for the three months ended
March 31, 1998 compared to a net loss of $1,449,000, or $.12 per basic and
diluted share, for the three months ended March 31, 1997.

LIQUIDITY AND CAPITAL RESOURCES 

At March 31, 1998 the Company had approximately $12,611,000 in cash and 
investments, compared to $13,179,000 at December 31, 1997, a decrease of 
$568,000.  The decrease in cash and investments was primarily due to net 
operating losses, an $867,000 payment for the final installment of the DSS II 
license acquisition from Northern Telecom, and capital equipment purchases.

Working capital decreased approximately 17% or $4,587,000 from $26,788,000 at
December 31, 1997 to $22,201,000 at March 31, 1998. The decrease in working
capital was primarily the result of net operating losses, the license payment
and decreased accounts receivable.

For the three months ended March 31, 1998 the Company's operating activities
used $255,000 in cash, primarily the result of a net operating loss in the
quarter and the license payment significantly offset by decreases in accounts
receivable and inventory, compared to $26,000 provided by operating activities
for the three months ended March 31, 1997.

For the three months ended March 31, 1998 cash used for capital expenditures
totaled approximately $684,000 compared to $249,000 for the three months ended
March 31, 1997.  Most of the capital equipment additions were for software tool
kits, computer workstations and lab equipment related to the Company's expanded
research and development efforts and the Richardson, Texas office moving to a
new location. The Company expects the level of capital expenditures will
increase in 1998 as a result of investments in research and development
projects.

Assuming no material changes in the Company's current operating plans, the
Company believes that cash generated from operations, and the total of its cash
and investments, will be sufficient to meet its working capital and capital
expenditure requirements for at least the next twelve months. Thereafter, the
Company may seek additional capital resources to meet working capital and
capital expenditure requirements.  Additionally, significant additional capital
resources may be required to fund acquisitions of complementary businesses,
products or technologies.  The Company may need to issue additional shares of
its capital stock or incur indebtedness in connection with any such acquisitions
or future operations.  At present, the Company does not have any agreements or
commitments with respect to any such acquisitions.

The Company believes the impact of inflation on its business activities has not
been significant to date.

RISKS AND UNCERTAINTIES 

     FLUCTUATIONS IN QUARTERLY OPERATING RESULTS; HISTORY OF LOSSES.  The 
Company has experienced significant fluctuations in bookings, revenue and 
operating results from quarter to quarter due to a combination of factors and 
expects such fluctuations to continue in future periods. Factors that may 
cause the Company's results of operations to vary significantly from quarter 
to quarter include but are not limited to the size and timing of customer 
orders and subsequent shipment of systems products and implementation of OS 
software products to major customers, timing and market acceptance of product 
introductions or enhancements by the Company or its competitors, customer 
order deferrals in anticipation of new products, technological changes in the 
telecommunications industry, competitive pricing pressures, changes in the 
Company's operating expenses, personnel changes, management of a changing 
business, changes in the mix of products sold and licensed, disruption in 
sources of supply, changes in pricing policies by the Company's suppliers, 
regulatory changes, capital spending, delays of payments by customers and 
general economic conditions. The Company believes that in late 1997 it began 
experiencing seasonality in its product shipments and OS software licensing. 
Generally, TSPs place more orders for products and licenses in the second and 
fourth quarters, with the orders significantly down in the first quarter and 
relatively flat in the third quarter of each year. The Company expects that 
revenue may begin to reflect these seasonal order cycles more closely, which 
could result in quarterly fluctuations. There can be no assurance that the 
TSPs will not defer or delay orders contrary to the historical seasonal 
pattern or that they will not change their ordering patterns. Because of the 
relatively fixed nature of most of the Company's costs, including personnel 
and facilities costs, any unanticipated shortfall in revenue in any fiscal 
quarter would 

                                      10

<PAGE>

have a proportionately greater impact on the Company's operating income in 
that quarter and may result in fluctuations in the price of the Company's 
Common Stock. 
     
     As the impact of the Company's Network Management business unit on the 
Company's revenue increases, the Company may be faced with greater 
fluctuations in operating income. The licensing and implementation of the 
Company's OS products generally involves a significant capital expenditure 
and a commitment of resources by prospective customers. Accordingly, the 
Company is dependent on its customers' decisions as to the timing and level 
of commitment and expenditures. In addition, the Company typically realizes a 
significant portion of license revenues in the last weeks or even days of a 
quarter. As a result, the magnitude of quarterly fluctuations in the Network 
Management business unit may not become evident until late in, or after the 
close of, a particular quarter. In addition, the Company does not recognize 
service revenues until the services are rendered. The time required to 
implement the Company's OS products can vary significantly with the needs of 
its customers and is generally a process that extends for several months.  
Because of their complexity, larger implementations may take multiple 
quarters to complete. Additionally, quarter-to-quarter product mix 
variations, customer orders tending to be placed late in the quarter, and 
competitive pressures on pricing could have a materially adverse effect on 
the Company's operating results in any one quarter. The Company's expenses 
are based in part on the Company's expectations as to future revenues and to 
a large extent are fixed in the short term. If revenues do not meet 
expectations, the Company's business, operations and financial condition are 
likely to be materially adversely affected. The Company has experienced 
losses in the past and there can be no assurance that the Company will not 
experience losses in the future. 

     COMPETITION.  Competition in the Company's markets is intense and is 
characterized by rapidly changing technologies, conformance with evolving 
industry standards, frequent new product introductions and enhancements, 
rapid changes in customer requirements, and price-competitive bidding.  To 
maintain and improve its competitive position, the Company must continue to 
develop and introduce, in a timely and cost-effective manner, new products 
and features that keep pace with increasing customer requirements.  The 
Company expects competition in its markets to increase from existing 
competitors and from other companies which may enter the Company's current or 
future markets. The Company believes the principal competitive factors 
affecting the market for its network systems test and performance monitoring 
products are product features, price, conformance with BellCore and other 
industry transmission standards and specifications, performance and 
reliability, technical support, and the maintenance of close working 
relationships with customers.  The Company's network systems products, 
especially CTS and Remote Module, are currently focused in highly competitive 
market niches. The environment for CTS and Remote Module is fiercely 
competitive with respect to price, product features, established 
customer-supplier relationships and conformance with industry standards.  The 
Company believes the current competitors that provide partial solutions to 
either performance monitoring or testing of the DS3, and the DS1 and DS0 
circuits that make up the DS3 circuit, include Hekimian Laboratories, Inc., 
Telecommunications Techniques Corporation, Anritsu Wiltron Corporation and 
some of the manufacturers of large transmission equipment and digital 
cross-connect test and performance monitoring equipment such as Lucent 
Technologies, Inc. ("Lucent"), Alcatel Data Networks, Ericsson Communication 
Inc. ("Ericsson"), ADC Telecommunications, and Tellabs, Inc. The Company's 
Remote Module product addresses the DS1 NIU market in which current 
competitors include Westell Inc., Teltrend Inc., and Troncom, Inc.  Many of 
these competitors have significantly greater technical, financial, 
manufacturing, and marketing resources than the Company.  In addition, in 
1997, ANSI adopted certain of the Company's technology as an industry 
standard.  As a result, the Company is obligated to grant licenses of this 
technology to third parties, including competitors, on fair and equitable 
terms and may also face competition from the licensees of its own technology. 
 
     
     The Company believes there are an increasing number of current  
competitors in the network management OS market that provide network 
management OS applications for circuit and services provisioning and services 
management, testing and test management, fault and alarm management and 
surveillance, network and circuit performance monitoring and traffic 
management telecommunications functions. The OS market is characterized by a 
wide range of companies that have varying degrees of market influence. The 
nature of the network management OS market is such that improved technologies 
and tool sets have made the barriers to entry in this market relatively small 
resulting in fierce competition. The principal competitive factors affecting 
the Company's network management OS products include product quality, 
performance, price, customer support, corporate reputation, and product 
features such as scalability, interoperability, functionality and ease of 
use. The Company's existing and potential competitors offer a variety of 
solutions to address network management needs. Competitors include suppliers 
of standard off-the-shelf products, custom software developers, large 
telecommunications equipment vendors that offer software applications to 
manage their own and other suppliers' equipment, such as Lucent, Northern 
Telecom, Inc., Fujitsu, and Ericsson, hardware and software vendors, 
including IBM, Sun Microsystems and Hewlett Packard, and providers of 
specific network management and OS applications, such as BellCore, Objective 
Systems Integrators, Inc., TCSI Corporation, Architel Systems Corporation and 
others. Additionally, many of the Company's existing and potential customers 
continuously evaluate whether they should develop their own network 
management and OS applications or license them from outside vendors. The 
Company expects competition in the OS market to increase significantly in the 
future. Additionally, several of the Company's competitors have 
long-established relationships with the Company's current and prospective 

                                      11
<PAGE>

customers which may adversely affect the Company's ability to successfully 
compete for business with these customers. In addition, product price 
reductions resulting from market share penetration initiatives or competitive 
pricing pressures could have a material and adverse effect on the Company's 
business, operating results, and financial condition. There can be no 
assurance that the Company will have the financial resources, technical 
expertise or manufacturing, marketing, distribution and support capabilities 
to compete successfully in the future.
      
     CONCENTRATION OF MAJOR CUSTOMERS; TELEPHONE COMPANY QUALIFICATION
REQUIREMENTS. The market for the Company's products and services currently
consists of the five regional Bell operating companies ("RBOCs"), long distance
or "interexchange carriers" ("IXCs"), local exchange carriers ("LECs"),
competitive local exchange carriers ("CLECs"), competitive access providers
("CAPs"), Internet service providers ("ISPs"), enterprise networks and other
TSPs. Historically, the Company's marketing efforts focused primarily on the
RBOCs, which accounted for approximately 99%, 73%, 31%, and 50% of the Company's
total revenue in 1995, 1996, 1997, and the first quarter of 1998, respectively. 
However, the Company's strategy has been to focus its efforts on diversifying
its customer base. RBOCs, IXCs and enterprise customers accounted for 31%, 27%
and 20% of the Company's total revenue in 1997, and 50%, 29% and 0% of the
Company's total revenue for the first quarter in 1998.  The increased customer
base is primarily a function of the Company's acquisitions in 1996 of Applied
Computing Devices, Inc. ("ACD") and the Special Services Network ("SSN")
division of MPR Teltech Inc. and the acquisition of the DSS II license from
Northern Telecom in 1997. As a result of these acquisitions, the Company added
OS related products and services that the Company has been able to market to a
wider group of customers. In addition, the Company added a number of TSPs that
were new customers to the Company. To date, the OS customers tend to be IXCs,
CAPs and enterprise vendors who have not invested in legacy systems from
BellCore. While the Company believes its customer base diversification is
beneficial to the Company, there can be no assurances that the Company will be
able to continue expanding the distribution of its OS and system products and
services to additional prospective customers. In addition, the Company's
customers are significantly larger than the Company and may be able to exert a
high degree of influence over the Company. The loss of one or more of the
Company's major customers, the reduction of orders, a delay in deployment of the
Company's products or the cancellation, modification or non-renewal of license
or maintenance agreements could materially and adversely affect the Company's
business, operating results and financial condition. BellSouth, Ameritech,
Southwestern Bell and MCI have entered into purchase contracts with the Company.
MCI has also entered into license agreements with the Company. Other TSPs
purchase the Company's network system products and license OS products under
standard purchase orders. Since the RBOC and MCI contracts may be terminated at
either the customer's or the Company's convenience, the Company believes that
the purchase contracts and license agreements are not materially different than
purchasing or licensing under purchase orders. Prior to selling products to
RBOCs and certain other TSPs, a vendor must often first undergo a product
qualification process with the TSP for its products. Although the qualification
process for a new product varies somewhat among these prospective customers, the
Company's experience is that the process often takes a year or more. Currently,
the five RBOCs, MCI, Worldcomm and several other customers have qualified the
Company's products, when required. Any failure on the part of any of the
Company's customers to maintain their qualification of the Company's products,
failure of any of the TSPs to deploy the Company's products, or any attempt by
any of the TSPs to seek out alternative suppliers could have a material adverse
effect on the Company's business, operating results and financial condition.
There can be no assurance that the Company's products will be qualified by new
customers, or that such qualification will not be significantly delayed.
Furthermore, work force reductions and staff reassignments by some of the
Company's customers have in the past delayed the product qualification process,
and the Company expects such reductions and reassignments to continue in the
future.  There can be no assurance that such reductions and reassignments will
not have a material adverse effect on the Company's business, operating results
and financial condition.  
     
     HIGH DEPENDENCE ON TWO PRODUCT LINES.  Historically, the majority of the 
Company's revenue has been derived from the sale of its network systems 
products and services. However, as a result of acquisitions completed in 1996 
and 1997, the Company added additional product lines and derived revenue from 
a product mix of both network systems products and services and network 
management OS software products and services. Revenue from network systems 
products and services, including CTS, T3AS and Remote Module, generated 74%, 
50% and 59% of the Company's total revenues in 1996 , 1997 and first quarter 
of 1998, respectively.  Revenue from network management OS products and 
services, including software design services, .Provisioner, Test OS, TDC&E 
and FMS, generated 26%, 50% and 41% of the Company's total revenue in 1996, 
1997 and first quarter of 1998, respectively. However, there can be no 
assurance that the Company's future revenues will not be heavily dependent on 
sales from one of its primary product lines. The Company is investing in the 
expansion of these two product lines through the enhancement, development and 
marketing of its Remote Module, CTS, PAAS, T3AS and OS products. Failure by 
the Company to enhance either its existing products and services or to 
develop new product lines and new markets could materially and adversely 
affect the Company's business, operating results and financial condition. 
There is no assurance that the Company will be able to develop and market new 
products and technology or otherwise diversify its source of revenue.  

                                      12

<PAGE>

     MANAGEMENT OF CHANGING BUSINESS.  As a result of acquisitions in 1996,  the
Company obtained additional office space and hired additional personnel in both
Terre Haute, Indiana and British Columbia, Canada to support the business
operations of the new products, services and technologies acquired.  The Company
continues to face significant management challenges related to the integration
of the business operations of the new organizations' personnel, products,
services and technologies acquired. In 1996, the Company formed two business
units: the Network Systems business unit and the Network Management business
unit. The business units are a result of the evolution of the Company from a
single product line to multiple product lines. The Network Management business
unit focuses on OS software products including .Provisioner, Test OS, GTA,
Sectionalizer, FMS, TDC&E, and OS design services. The Network Systems business
unit is built around the Company's test and performance management products,
including T3AS, CTS,  Remote Module and PAAS products. There can be no assurance
that the Company will be successful in managing its new business unit structure.
In June 1997, the Company acquired a license from Northern Telecom to its DSS II
software product and technology. The Company markets and supports the DSS II
product and technology under the new name .Provisioner. The Company is
integrating the licensed technology into new product development. The
acquisition of the software license has generated a shift in the Company's
Canadian subsidiary's operations from a software design services business to a
product business and the transition will likely place a significant strain on
the Company's management, information systems and operations and there can be no
assurance that such a transition can be successfully managed. In addition, in
November 1997, the Company opened an office in Richardson, Texas to expand new
product development efforts. The acquisitions and resultant growth in the
Company's infrastructure have placed, and are expected to continue to place, a
significant strain on the Company's management, information systems and
operations. The strain experienced to date has chiefly been in management of a
geographically distributed organization, and in hiring sufficient numbers of
qualified personnel to support the expansion of the business. The Company may
also make future acquisitions where it believes it can acquire new products or
otherwise rapidly enter new or emerging markets. Mergers and acquisitions of
high technology companies are inherently risky and can place significant strains
on the Company's management, information systems and operations. The Company is
not able to forecast additional strains that may be placed on the Company's
management, information systems and operations as a result of recent or future
acquisitions or in the future. The Company's potential inability to manage its
changing business effectively could have a material adverse effect on the
Company's business, operating results, and financial condition. 
     
     CUSTOMER MERGERS.  Of the nine major TSPs currently involved in or that 
have recently completed merger transactions, seven are customers of the Company.
Several of the mergers involve companies that purchase network systems and
software products and services from the Company's competitors.  Consequently,
the completion of certain of these mergers may result in the   loss of business
and customers for the Company. Additionally, the impact of capital spending
constraints during the merger transitions and thereafter   could have a material
adverse effect on the Company's business, operating   results and financial
condition. In addition, future merger transactions involving or contemplated by
the Company's current or prospective customers may cause increased concentration
among some of the Company's major  customers or delays or decreases in their
capital spending decisions, any of which could have a material adverse effect on
the Company's business, operating results and financial condition.  
     
     RAPID TECHNOLOGICAL CHANGE AND DEPENDENCE ON NEW PRODUCTS.  The market for
the Company's products is characterized by rapid technological advances,
evolving industry transmission standards, changing regulatory environments,
price-competitive bidding, changes in customer requirements, and frequent new
product introductions and enhancements. The introduction of   telecommunications
network performance management products involving superior technologies or the
evolution of alternative technologies or new industry transmission standards
could render the Company's existing products, as well as products currently
under development, obsolete and unmarketable.  The Company believes its future
success will depend in part upon its ability, on a cost-effective and timely
basis, to continue to enhance its products, to develop and introduce new
products for the telecommunications network performance management market, to
address new industry standards and changing customer needs and to achieve broad
market acceptance for its products. In particular, the Company anticipates that
the SONET and SDH optical transmission standards will become the industry
transmission standards over the coming years for the North American and
international networks, respectively. The Company's current network circuit test
and performance monitoring systems do not address either the SONET or SDH
transmission standards. The Company intends to extend its current products and
develop new products to accommodate such new transmission standards and other
advances in technology, as they evolve. The widespread adoption of SONET and/or
SDH as industry transmission standards before the Company is able to
successfully develop products which address such transmission standards could in
the future adversely affect the sale and deployment of the Company's products. 
     
     The Company's OS products are designed to operate on a variety of  
hardware and software platforms and with a variety of databases employed by 
its customers in their networks. The Company must continually modify and 
enhance its OS products to keep pace with changes in hardware and software 
platforms and database technology.  As a result, uncertainties related to the 
timing and nature of new product announcements, introductions or 
modifications by systems vendors, particularly, Sun Microsystems and Hewlett 
Packard, and by vendors of relational database software, particularly, Oracle 
Corporation, could materially adversely impact the 

                                      13

<PAGE>

Company's business, operating results and financial condition. In addition, 
the failure of the Company's OS products to operate across the various 
existing and evolving versions of hardware and software platforms and 
database environments employed by customers would have a material adverse 
effect on the Company's business, operating results and financial condition. 
     
     The introduction or announcement of products by the Company or one or more
of its competitors embodying new technologies, or changes in industry standards
or customer requirements, could render the Company's existing products and
solutions obsolete and unmarketable. The introduction of new or enhanced
versions of its products requires the Company to manage the transition from
older products in order to minimize disruption in customer ordering. There can
be no assurance that the introduction or announcement of new product offerings
by the Company or its competitors will not cause customers to defer licensing or
purchasing of existing Company products or engaging the Company's services. Any
deferral of revenues could have a material adverse effect on the Company's
business, operating results and financial condition.  
     
     Any failure by the Company to anticipate or respond on a cost-effective and
timely basis to technological developments, changes in industry transmission
standards or customer requirements, or any significant delays in product
development or introduction could have a material adverse effect on the
Company's business. There can be no assurance that the Company will be able to
successfully develop new products to meet customer requirements, to address new
industry transmission standards and technological changes or to respond to new
product announcements by others, or that such products will achieve market
acceptance. 
     
     DEPENDENCE ON SUPPLIERS AND SUBCONTRACTORS.  Certain components used in the
Company's T3AS, CTS, PAAS and Remote Module products, including its VLSI ASICs,
are available from a single source and other components are available from only
a limited number of sources. The Company has few supply agreements and generally
makes its purchases with purchase orders. Further, certain components require an
order lead time of up to one year. Other components that currently are readily
available may become difficult to obtain in the future.  Failure of the Company
to order sufficient quantities of these components in advance could prevent the
Company from increasing production in response to customer orders in excess of
amounts projected by the Company. In the past, the Company has experienced
delays in the receipt of certain of its key components, which have resulted in
delays in product deliveries. There can be no assurance that delays in key
component and part deliveries will not occur in the future. 
     
     The inability to obtain sufficient key components as required or to 
develop alternative sources if and as required in the future could result in 
delays or reductions in product shipments, which in turn could have a 
material adverse effect on the Company's customer relationships and operating 
results. Additionally, the Company uses third-party subcontractors for the 
manufacture of its sub-assemblies, some of which are located in Asia. This 
reliance on third-party subcontractors involves several risks, including the 
potential absence of adequate capacity, the unavailability of or interruption 
in access to certain process technologies, and reduced control over product 
quality, delivery schedules, manufacturing yields and costs.  The Company 
believes that the recent significant economic downturns in Asia may increase 
these risks with respect to its Asian third-party subcontractors.  Shortages 
of raw materials or production capacity constraints at the Company's 
subcontractors could negatively affect the Company's ability to meet its 
production obligations and could result in increased prices for affected 
parts. 
     
     HIGH INVENTORY LEVELS AND NEED TO MAKE ADVANCE PURCHASE COMMITMENTS. To 
respond to anticipated customer demand, the Company maintains high inventory 
levels.  Maintaining high inventory levels substantially increases the risk 
that the Company's profitability and results of operations may from time to 
time be materially and adversely affected by inventory obsolescence.  To 
procure adequate supplies of certain products or components, the Company must 
make advance commitments to purchase relatively large quantities of such 
products or components in a number of circumstances. A large portion of the 
Company's purchase commitments consists of custom parts, some of which are 
sole-source such as VLSI ASICs, for which there is no alternative use or 
application. The inability of the Company to sell such products or 
incorporate such components in its other products could have a material 
adverse effect on the Company's business, operating results and financial 
condition. 
     
     YEAR 2000 COMPLIANCE.  Many installed computer systems and software 
products are coded to accept only two digit entries in the date code field.  
As the year 2000 approaches, these code fields will need to accept four digit 
entries to distinguish years beginning with "19" from those beginning with 
"20" dates. As a result, in less than two years, computer systems and/or 
software products used by many companies may need to be upgraded to comply 
with such year 2000 requirements. The Company is assessing its products, as 
well as its internal management information systems in order to identify and 
modify those products and systems that are not year 2000 compliant. Based 
upon a preliminary assessment, the Company expects such modifications will be 
made on a timely basis and does not believe that the cost of such 
modifications will have a material effect on the Company's operating results 
or financial condition. There can be no assurance, however, that the 
Company's preliminary assessment is accurate. If the Company encounters any 
unanticipated 

                                      14

<PAGE>

delays in or costs associated with the implementation of such changes, in 
particular with respect to the Company's products, the Company's business, 
operating results and financial condition could be materially adversely 
affected.  
     
     PRODUCT RECALL AND DEFECTS.  Producers of telecommunications network 
performance management products such as those being marketed by the Company, 
are often required to meet rigorous standards imposed by BellCore, the 
research and development entity created following the divestiture of AT&T to 
provide ongoing engineering support to the RBOCs. In addition, the Company 
must meet specialized standards imposed by many of its customers.  The 
Company's products are also required to interface in a complex and changing 
environment with telecommunication network equipment made by numerous other 
suppliers.  Since many of these suppliers are competitors of the Company, 
there can be no assurance that they will cooperate with the Company. In the 
event there are material deficiencies or defects in the design or manufacture 
of the Company's systems, or if the Company's systems become incompatible 
with existing third-party network equipment, the affected products could be 
subject to a recall. The Company has experienced two significant product 
recalls in its history and there can be no assurance that the Company will 
not experience any product recalls in the future. The cost of any subsequent 
product recall and associated negative publicity could have a material 
adverse effect on the Company's business, operating results and financial 
condition.  In addition, the Company's development and enhancement of its 
complex OS products entails substantial risks of product defects. There can 
be no assurance that software errors will not be found in existing or new 
products or releases after commencement of commercial licensing, which may 
result in delay or loss of revenue, loss of market share, failure to achieve 
market acceptance, or may otherwise adversely impact the Company's business, 
operating results and financial condition. 
     
     GOVERNMENT REGULATION.  The majority of the Company's customers operate 
within the telecommunications industry which is subject to regulation in the 
United States and other countries.  Most of the Company's customers must 
receive regulatory approvals in conducting their businesses.  Although the 
telecommunications industry has recently experienced government deregulation, 
there is no assurance this trend will continue. Moreover, the federal and 
state courts and the FCC continue to interpret and clarify the provisions of 
the 1996 Telecommunications Act. In fact, recent regulatory rulings have 
affected the ability of the Company's customers to enter new markets and 
deliver new services which could impact their ability to make significant 
capital expenditures. The effect of judicial or regulatory rulings by federal 
and state agencies on the Company's customers may adversely impact the 
Company's business, operating results and financial condition. 
     
     POTENTIAL COMPETITION FROM RBOCS.  The 1996 Telecommunications Act has 
generally eliminated the restrictions which had previously prohibited the 
RBOCs from manufacturing telecommunications equipment (subject to first 
satisfying certain conditions designed to facilitate local exchange 
competition and receipt of prior approval by the FCC). These restrictions had 
been imposed under the Modification of Final Judgment, which governed the 
structure of the 1984 divestiture by AT&T of its local operating telephone 
company subsidiaries. The passage of the 1996 Telecommunications Act may have 
an adverse effect on the Company because the RBOCs, which are presently the 
Company's principal customers, may now become manufacturers of some or all of 
the products currently manufactured and sold by the Company and, 
consequently, may no longer purchase telecommunications equipment produced by 
the Company at the levels historically experienced. 
     
     PROPRIETARY TECHNOLOGY.  The Company relies on a combination of  
technical leadership, patent, trade secret, copyright and trademark 
protection and non-disclosure agreements to protect its proprietary rights.  
Although the Company has pursued and intends to continue to pursue patent 
protection of inventions that it considers important and for which such 
protection is available, the Company believes its success will be largely 
dependent on its reputation for technology, product innovation, 
affordability, marketing ability and response to customers needs. Currently, 
the Company has eleven U.S. patents granted and three U.S. patent 
applications allowed. One of the granted patents relates to the Company's 
Remote Module product.  Additionally, the Company has six pending U.S. patent 
applications and four international (Patent Cooperation Treaty and European 
Patent Office) applications on file covering various circuit and system 
aspects of its products. There can be no assurance that the Company will be 
granted additional patents or that, if any patents are granted, they will 
provide the Company's products with significant protection or will not be 
challenged. Additionally, should a third party challenge any of the Company's 
current or future patents, there can be no assurance that the Company will be 
successful in defending its patents or that any litigation, regardless of 
outcome, will not result in substantial cost to and diversion of efforts by 
the Company. As part of its confidentiality procedures, the Company generally 
enters into non-disclosure agreements with its employees, consultants and 
suppliers, and limits access to and distribution of its proprietary 
information. Despite these precautions, it may be possible for a third party 
to copy or otherwise obtain and use the Company's technology without 
authorization. Accordingly, there can be no assurance that the Company will 
be successful in protecting its proprietary technology or that ADA's 
proprietary rights will preclude competitors from developing products or 
technology equivalent or superior to that of the Company. 

                                      15

<PAGE>

     The telecommunications industry is characterized by the existence of a 
large number of patents and frequent litigation based on allegations of 
patent infringement. The Company is currently not party to any litigation 
regarding any patents or other intellectual property rights. However, there 
can be no assurance that third parties will not assert infringement claims 
against the Company in the future or that any such assertions will not result 
in costly litigation or require the Company to obtain a license to 
intellectual property rights of such parties. There can be no assurance that 
any such licenses would be available on terms acceptable to the Company, if 
at all. Further, litigation, regardless of outcome, could result in 
substantial cost to and diversion of efforts by the Company. Any infringement 
claims or litigation by or against the Company could materially and adversely 
affect the Company's business, operating results and financial condition.  
Moreover, the laws of some foreign countries do not protect the Company's 
proprietary rights in the products to the same extent as do the laws of the 
United States.  
     
     The Company relies on certain software that it licenses from third 
parties, including software that is integrated with internally developed 
software and used in the Company's products to perform key functions.  There 
can be no assurance that these third party software licenses will continue to 
be available to the Company on commercially reasonable terms or that such 
licenses will not be terminated. Although the Company believes that 
alternative software is available from other third party suppliers, the loss 
of or inability of the third parties to enhance their products in a timely 
and cost-effective manner could result in delays or reductions in product 
shipments by the Company until equivalent software could be developed 
internally or identified, licensed, and integrated, which could have a 
material adverse effect on the Company's business, operating results and 
financial condition.  
     
     DEPENDENCE ON KEY PERSONNEL.  The success of the Company is dependent,  
in part, on its ability to attract and retain highly qualified personnel. 
Competition for such personnel is intense and the inability to attract and 
retain additional key employees or the loss of one or more current key 
employees could adversely affect the Company. There can be no assurance that 
the Company will be successful in hiring or retaining requisite personnel.  
     
     VOLATILITY OF STOCK PRICE.  The Company's future earnings and stock  price
may be subject to significant volatility, particularly on a quarterly basis. Any
shortfall in revenue or earnings from levels expected by public market analysts
and investors could have an immediate and significant adverse effect on the
trading price of the Company's Common Stock.  Fluctuation in the Company's stock
price may also have an effect on  customer decisions to purchase the Company's
products which could have a material adverse effect on the Company's business,
operating results and financial condition.  

ITEM 3.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

     Not applicable.

                                      16

<PAGE>

                                      PART II

                                 OTHER INFORMATION

ITEM 1.  LEGAL PROCEEDINGS 

  From time to time, ADA may be involved in litigation relating to claims
arising out of its operations in the normal course of business. As of the date
of this Quarterly Report, the Company is not a party to any legal proceedings.

ITEM 2.  CHANGES IN SECURITIES 

     None. 

ITEM 3.  DEFAULTS UPON SENIOR SECURITIES 

     None. 

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS 

     None. 

ITEM 5.  OTHER INFORMATION 

     None. 


ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K 

     (a) Exhibits. 

<TABLE>
<CAPTION>

              EXHIBIT
              NUMBER                      DESCRIPTION
             --------              ------------------------------
               <S>                 <C>
               27.1                Financial Data Schedule. 

</TABLE>

     (b)   Reports on Form 8-K. 

None. 

                                       17


<PAGE>


                                     SIGNATURES

Pursuant to the requirements of the Securities and Exchange Act of 1934, the 
registrant has duly caused this report to be signed on its behalf by the 
undersigned thereunto duly authorized.

                                           Applied Digital Access, Inc. 
     

Date: May 15, 1998                         /s/ PETER P. SAVAGE     
                                           ----------------------------
                                           Peter P. Savage 
                                           Director 
                                           President and Chief Executive Officer
     
     
     
     
     
     
Date: May 15, 1998                         /s/  JAMES L. KEEFE 
                                           ---------------------------- 
                                           James L. Keefe 
                                           Vice President Finance and 
                                           Administration and Chief 
                                           Financial Officer 
     
                                      18


<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONDENSED
CONSOLIDATED BALANCE SHEETS AND STATEMENT OF OPERATIONS AND CASH FLOWS AS OF
MARCH 31, 1998 AND MARCH 31, 1997 AND THE THREE MONTHS THEN ENDED AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                           3,291
<SECURITIES>                                     9,320
<RECEIVABLES>                                      912
<ALLOWANCES>                                        60
<INVENTORY>                                      5,345
<CURRENT-ASSETS>                                30,829
<PP&E>                                          13,403
<DEPRECIATION>                                 (7,187)
<TOTAL-ASSETS>                                  40,955
<CURRENT-LIABILITIES>                            8,628
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        51,894
<OTHER-SE>                                       2,685
<TOTAL-LIABILITY-AND-EQUITY>                    32,317
<SALES>                                          5,272
<TOTAL-REVENUES>                                 5,272
<CGS>                                            3,664
<TOTAL-COSTS>                                    3,664
<OTHER-EXPENSES>                                 6,943
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                (5,171)
<INCOME-TAX>                                        37
<INCOME-CONTINUING>                            (5,208)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (5,208)
<EPS-PRIMARY>                                   (0.41)
<EPS-DILUTED>                                   (0.41)
        

</TABLE>


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