APPLIED DIGITAL ACCESS INC
10-Q, 1998-11-16
INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS
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                                   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 SEPTEMBER 30, 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 12,832,197 shares of the registrant's Common Stock, $.001 par 
value, outstanding as of October 31, 1998.


                                                                      1

<PAGE>

                            APPLIED DIGITAL ACCESS, INC.

                                  INDEX TO FORM 10-Q

                                                                            PAGE

PART I.   FINANCIAL INFORMATION    

Item 1.   Financial Statements     

          Condensed Consolidated Balance Sheets at September 30, 1998
          and December 31, 1997 . . . . . . . . . . . . . . . . . . . . . .   3

          Condensed Consolidated Statements of Operations for the
          three and nine months ended September 30, 1998 and
          September 30, 1997. . . . . . . . . . . . . . . . . . . . . . . .   4

          Condensed Consolidated Statements of Cash Flows for the nine
          months ended September 30, 1998 and September 30, 1997. . . . . .   5

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

Item 2.   Management's Discussion and Analysis of Financial Condition
          and Results of Operations . . . . . . . . . . . . . . . . . . . . 8-11

          Risks and Uncertainties . . . . . . . . . . . . . . . . . . . . .11-18

Item 3.   Quantitative and Qualitative Disclosures About Market Risk  . . .   19

PART II.  OTHER INFORMATION

Item 1.   Legal Proceedings . . . . . . . . . . . . . . . . . . . . . . . .   20

Item 2.   Changes in Securities . . . . . . . . . . . . . . . . . . . . . .   20

Item 3.   Defaults Upon Senior Securities . . . . . . . . . . . . . . . . .   20

Item 4.   Submission of Matters to a Vote of  Security Holders. . . . . . .   20

Item 5.   Other Information . . . . . . . . . . . . . . . . . . . . . . . .   20

Item 6.   Exhibits and Reports on Form 8-K. . . . . . . . . . . . . . . . .   20

SIGNATURES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   21


                                                                      2
<PAGE>
                                       PART I
                               FINANCIAL INFORMATION

Item 1. FINANCIAL STATEMENTS

                            APPLIED DIGITAL ACCESS, INC.
                       CONDENSED CONSOLIDATED BALANCE SHEETS
                                    (Unaudited)
                                          
<TABLE>
<CAPTION>

                                               SEPTEMBER 30,    DECEMBER 31,
                                                   1998             1997
                                               -------------    ------------
                                                    (DOLLARS IN THOUSANDS)
 ASSETS
 <S>                                           <C>              <C>
 Current assets:
   Cash and cash equivalents                   $       5,604    $      4,400
   Investments                                         6,544           8,779
   Accounts receivable, net                            5,746          12,981
   Inventory, net                                      7,884           5,859
   Deferred income taxes                                 130             130
   Prepaid expenses and other current assets           1,825           3,775
                                               -------------    ------------
      Total current assets                            27,733          35,924

   Property and equipment, net                         5,921           6,165
   Deferred income taxes                               1,426           1,372
   Other, net                                          1,500           2,822
                                               -------------    ------------
                                               $      36,580    $     46,283
                                               -------------    ------------
                                               -------------    ------------

 LIABILITIES AND SHAREHOLDERS' EQUITY
 Current liabilities:
   Accounts payable                            $       4,899    $      3,478
   Acquisition payments due to licensor                   --             867
   Accrued expenses                                    1,489           1,997
   Accrued warranty                                    1,288           1,323
   Deferred revenue                                    2,188           1,471
                                               -------------    ------------
      Total current liabilities                        9,864           9,136

   Obligations under capital leases, net of
   current portion                                         0              15
                                               -------------    ------------
      Total liabilities                                9,864           9,151
                                               -------------    ------------

 Shareholders' equity:
   Preferred stock, $.001 par value, 7,500,000
   shares authorized, no shares issued                    --              --
   Common stock, $.001 par value, 30,000,000
   shares authorized, 12,825,992 and 
   12,605,082 shares issued and outstanding 
   at September 30, 1998 and
   December 31, 1997, respectively                    52,215          51,610
   Additional paid-in capital                          2,519           2,492
   Unrealized gain on investments                         70              84
   Accumulated deficit                               (28,088)        (17,054)
                                               -------------    ------------
      Total shareholders' equity                      26,716          37,132
                                               -------------    ------------
                                               $      36,580    $     46,283
                                               -------------    ------------
                                               -------------    ------------
</TABLE>

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


                                                                      3

<PAGE>
                             APPLIED DIGITAL ACCESS, INC.
                   CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                                     (Unaudited)

<TABLE>
<CAPTION>

                            FOR THE THREE MONTHS       FOR THE NINE MONTHS
                             ENDED SEPTEMBER 30,        ENDED SEPTEMBER 30,
                          ------------------------   ------------------------
                              1998          1997       1998           1997
                          -----------   ----------   -----------   ----------
                           (AMOUNTS IN THOUSANDS,    (AMOUNTS IN THOUSANDS,
                          EXCEPT PER SHARE AMOUNTS)  EXCEPT PER SHARE AMOUNTS)
 <S>                      <C>           <C>          <C>           <C>
 Revenue                       $6,764        $8,750      $20,616      $23,302
 Cost of revenue                2,747         3,873       10,152       10,795
                          -----------   ----------   -----------   ----------
 Gross profit                   4,017         4,877       10,464       12,507

 Operating expenses:
   Research and
    development                 3,583         1,963       10,904        6,498
   In-process research
    and development
    related to asset
    acquisition                    --            --           --        1,578
   Sales and marketing          2,458         2,230        7,289        5,590
   General and
    administrative              1,258         1,379        3,672        3,816
                          -----------   ----------   -----------   ----------
 Total operating expenses       7,299         5,572       21,865       17,482
                          -----------   ----------   -----------   ----------

 Operating loss                (3,282)        (695)      (11,401)      (4,975)

 Interest income                  165          236           508          746
 Other income (expense),
  net                             (14)         (24)          (31)         (13)
                          -----------   ----------   -----------   ----------

 Loss before income taxes      (3,131)        (483)      (10,924)      (4,242)

 Provision for income
  taxes                            37           43           110          107
                          -----------   ----------   -----------   ----------

 Net loss                     $(3,168)       $(526)     $(11,034)     $(4,349)
                          -----------   ----------   -----------   ----------
                          -----------   ----------   -----------   ----------

 Net loss per share            $(0.25)      $(0.04)       $(0.87)      $(0.35)
                          -----------   ----------   -----------   ----------
                          -----------   ----------   -----------   ----------

 Number of shares used in
  per share computations       12,712       12,512        12,671       12,425

 Comprehensive loss           $(3,171)       $(509)     $(11,049)     $(4,318)
                          -----------   ----------   -----------   ----------
                          -----------   ----------   -----------   ----------
</TABLE>


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


                                                                      4

<PAGE>

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

<TABLE>
<CAPTION>

                                                     FOR THE NINE MONTHS
                                                      ENDED SEPTEMBER 30,
                                                      -------------------
                                                        1998       1997
                                                      -------      -----
                                                     (DOLLARS IN THOUSANDS)
<S>                                                  <C>          <C>
 Cash flows from operating activities:
   Net loss                                          $(11,034)    $(4,349)
   Adjustments to reconcile net loss to net
     cash provided (used) by operating
     activities:
     In-process research and development 
     related to asset acquisition                          --       1,578
     Depreciation and amortization                      2,706       2,167
     Other                                                (88)         87
   Changes in assets and liabilities:
     Accounts receivable                                7,235      (2,961)
     Inventory                                         (2,025)       (808)
     Prepaid expenses and other current assets          1,950      (1,726)
     Deferred income taxes                                (54)         --
     Accounts payable                                   1,421         537
     Acquisition payments due licensor                   (867)      1,733
     Accrued expenses                                    (652)        137
     Accrued warranty                                     (34)         51
     Deferred revenue                                     867        (157)
                                                     --------     --------
     Net cash used by operating activities               (575)     (3,711)
                                                     --------     -------
   Cash flows from investing activities:
    Purchases of investments                          (10,901)    (12,716)
    Maturities of investments                          13,210      20,743
    Purchases of property and equipment                (1,641)     (1,475)
    Purchase costs related to asset acquisitions          500      (3,383)
                                                     --------     -------
           Net cash provided (used) by investing
       activities                                       1,168       3,169
                                                     --------     -------
   Cash flows from financing activities:
    Principal payments on capital leases                  (21)        (12)
    Proceeds from the issuance of common
    stock under stock option plans                        632         708
                                                     --------     -------
       Net cash provided by financing
       activities                                         611         696
                                                     --------     -------
       Net increase (decrease) in cash and cash
       equivalents                                      1,204         154
   Cash and cash equivalents, beginning of
   period                                               4,400       1,504
                                                     --------     -------
   Cash and cash equivalents, end of period          $  5,604     $ 1,658
                                                     --------     -------
                                                     --------     -------
</TABLE>

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

                                                                      5

<PAGE>
                             APPLIED DIGITAL ACCESS, INC.
                 Notes to Condensed Consolidated Financial Statements

                                  September 30, 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 and nine month periods ended 
September 30, 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>
                                     SEPTEMBER 30,             DECEMBER 31,
                                          1998                    1997
                                     -------------             ------------
                                             (DOLLARS IN THOUSANDS)
 <S>                                 <C>                       <C>
 Raw materials                       $       4,574             $      3,419
 Work-in-process                             2,881                    2,223
 Finished goods                                913                      787
                                     -------------             ------------
                                             8,368                    6,429
 Less inventory  reserve                      (484)                    (570)
                                     -------------             ------------
                                     $       7,884             $      5,859
                                     -------------             ------------
                                     -------------             ------------
</TABLE>
                                                                       6
<PAGE>

4.   Per Share Information 

The Company has adopted the provisions of Statement of Financial Accounting 
Standards No. 128, "Earnings per Share" ("SFAS 128"), effective December 31, 
1997.  SFAS 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 128.  

In accordance with the disclosure requirements of SFAS 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    Nine Months Ended
                                    ------------------   -------------------
                                         Sept. 30,             Sept. 30,
                                      1998       1997       1998        1997
                                    --------  --------   --------     -------
 <S>                                <C>       <C>        <C>          <C>
 Numerator - basic and diluted
 EPS:
      Net loss                      $(3,168) $    (526)  $(11,034)    $(4,349)
 Denominator - basic and diluted
 EPS:
      Weighted average common        
      stock outstanding              12,712     12,512     12,671      12,425
 Basic and diluted earnings per     $ (0.25)  $  (0.04)  $  (0.87)    $( 0.35)
  share
</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 " SEEK," "INTEND," 
"WILL," "ANTICIPATE," "CAN," "MAY," "CONTINUE," AND "EXPECT" ARE FORWARD 
LOOKING STATEMENTS. THESE FORWARD LOOKING STATEMENTS, INCLUDING STATEMENTS 
REGARDING THE COMPANY'S (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.  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 service 
activation and circuit provisioning, network configuration management, 
network performance management, circuit and facilities 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 the Company's 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 and services, 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 $6,764,000 for the three months ended September 30, 1998, a 
23% decrease from revenue of $8,750,000 for the three months ended September 
30, 1997.  The decrease for the quarter was primarily the result of decreased 
sales of  the Company's network management OS software products.  Revenue 
from network management OS software products and services for the three 
months ended September 30, 1998 totaled $3,628,000, a 34% decrease from 
$5,534,000 in the same period last year.  The decrease resulted from 
decreased sales of the Company's Test OS, .Provisioner and FMS software 
products partially offset by increased sales of the Company's TDC&E software 
product.

                                                             8
<PAGE>

Revenue from the Company's network systems test and performance management 
products for the three months ended September 30, 1998 totaled $3,136,000, a 
2% decrease from $3,216,000 in the same period last year. The decrease was 
the net result of decreased sales of the Company's Remote Module product 
offset by increased sales of the Company's T3AS and CTS products. The Company 
believes revenue for the third quarter of 1998 was negatively impacted by 
decreased spending by the Company's customers due to merger activity, capital 
spending constraints, order delays for the Company's Remote Module product 
due to customer inventory reductions and tightening of inventory control 
procedures, and to a lesser extent, order delays resulting from the impact of 
short strikes and strike preparations at two of the Company's customers at 
the beginning of the quarter. In addition, revenue for the third quarter was 
negatively impacted by delays in the completion of an OS software 
installation at one of the Company's customers. The Company recognizes 
revenue from sales of its OS software products only upon satisfaction of the 
customer's specific delivery and acceptance criteria. In any period, 
significant revenue may be derived from a small number of large OS software 
product sales and, as a result of various customer delivery and acceptance 
criteria, the Company may experience fluctuations in quarterly revenue. As a 
result of the factors discussed above, the Company has experienced and may in 
the future continue to experience quarterly revenue fluctuations that 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".

Revenue for the nine months ended September 30, 1998 totaled $20,616,000, a 
12% decrease from $23,302,000 in the same period last year.  The decrease for 
the nine months ended September 30, 1998 resulted from a net decrease in 
revenue from the Company's network management OS software design services and 
products partially offset by a net increase in sales from the Company's 
network systems test and performance management products.  Revenue from the 
Company's network systems test and performance management products for the 
nine months ended September 30, 1998 totaled $11,266,000, an 8% increase from 
$10,405,000 in the same period last year.  The majority of the increase 
resulted from increased sales of the Company's Remote Module product 
partially offset by decreased sales of the Company's CTS products.  Revenue 
from network management OS software products and services for the nine months 
ended September 30, 1998 totaled $9,350,000, a 28% decrease from $12,897,000 
in the same period last year.  The majority of the decrease was the result of 
decreased sales of the Company's OS design services to Northern Telecom, Ltd. 
("Northern Telecom") and decreased sales of the Company's Test OS software 
product partially offset by increased sales of the Company's TDC&E and 
 .Provisioner software products.  The decreased revenue from OS design 
services and increased sales of the Company's .Provisioner product resulted 
from the Company's acquisition of an exclusive license to Northern Telecom's 
DSS II software product in June 1997.  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.  The Company 
now markets and supports the DSS II product and technology under the new name 
 .Provisioner.  Unlike revenue from OS software 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. The Company believes the same factors that 
negatively impacted revenue for the three months ended September 30, 1998 
also negatively impacted  revenue for the nine months ended September 30, 
1998.  There can be no assurances that the factors discussed above will not 
continue in the future, or that revenue increases that occurred for 
individual products during the three and nine months ended September 30, 1998 
will continue in the future, each of which 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", "--Customer Mergers" and "--Concentration of Major 
Customers; Telephone Company Qualification Requirements." 

Gross profit totaled $4,017,000 for the three months ended September 30, 
1998, an 18% decrease from $4,877,000 in the same period last year.  The 
decrease in gross profit was the result of lower revenue levels. Gross profit 
as a percent of revenue was 59% for the three months ended September 30, 1998 
compared to 56% for the three months ended September 30, 1997.  The increase 
in gross profit as a percent of revenue was primarily the result of a product 
mix weighted towards T3AS and CTS products combined with decreased sales of 
the Company's Remote Module NIU products partially offset by lower overall 
sales of the Company's network management OS software products.  Generally, 
the Company's T3AS and CTS products have a higher gross profit margin than 
NIU products. The highly competitive NIU market is subject to severe pricing 
pressures which have contributed to significantly lower overall gross profits 
on this product.

Gross profit totaled $10,464,000 for the nine months ended September 30, 
1998, a 16% decrease from $12,507,000 in the same period last year.  Gross 
profit as a percent of revenue was 51% for the nine months ended September 
30, 1998 compared to 54% in the same period last year.  The decrease in gross 
profit was the result of a product mix weighted toward the Company's 
lower-margin Remote Module NIU, decreased revenue and the impact of a 
$378,000 one-time inventory obsolescence charge in the first quarter of 1998. 
The Company's relatively fixed manufacturing overhead costs allocated over 
lower revenue levels in the first nine months of 1998 resulted in lower 
overall gross profit levels.  The net decrease in gross profit as a percent 
of revenue resulted from the factors discussed above substantially offset by 
the shift in the Company's OS software design services business to an OS 
software product-based business. As a result of the .Provisioner (formerly 
DSS II) license acquisition, 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

                                                                      9

<PAGE>

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 obsolescence 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 $3,583,000 for the three months 
ended September 30, 1998, an 83% increase from $1,963,000 for the three 
months ended September 30, 1997.  Research and development expenses totaled 
$10,904,000 for the nine months ended September 30, 1998, a 68% increase from 
$6,498,000 for the nine months ended September 30, 1997.  The majority of the 
increase for the three and nine months ended September 30, 1998 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, the addition of 
research and development personnel to support the Joint Development Agreement 
("JDA") with Northern Telecom Inc. ("Nortel") and increased non-recurring 
engineering expenses related to the JDA and other product developments.  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 three and nine months ended September 30, 
1998, the Company's research and development expenses include a $1.1 million 
and $2.8 million reduction, respectively, representing Nortel's proportionate 
share of development costs incurred under the initial project being conducted 
under the JDA, compared to an offset of $1.0 million for the three and nine 
months ended September 30, 1997.  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.  

In the nine months ended September 30, 1997 the Company recorded a charge of 
approximately $1.6 million for purchased research and development costs 
related to the acquisition of the .Provisioner license and related assets 
from Northern Telecom.   

Sales and marketing expenses totaled $2,458,000 for the three months ended 
September 30, 1998, a 10% increase from $2,230,000 for the three months ended 
September 30, 1997.   Sales and marketing expenses totaled $7,289,000 for the 
nine months ended  September 30, 1998, a 30% increase from $5,590,000 for the 
nine months ended September 30, 1997.  The majority of the increases for the 
three and nine months is the result of increased staff in sales to support 
increased sales 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 $1,258,000 for the three months 
ended September 30, 1998, a 9% decrease from $1,379,000 for the three months 
ended September 30, 1997.  General and administrative expenses totaled 
$3,672,000 for the nine months ended September 30, 1998, a 4% decrease from 
$3,816,000 for the nine months ended September 30, 1997.  The majority of the 
decrease for the three months ended  September 30, 1998 resulted from lower 
corporate expenses.  The majority of the decrease for the nine months ended  
September 30, 1998 resulted from lower consulting and recruiting costs offset 
by increased expenses for the amortization of intangible assets and  legal 
expenses.  The Company expects that general and administrative expenses may 
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 $165,000 for the three months ended September 30, 
1998, a 30% decrease from $236,000 in the same quarter a year ago.  Interest 
income totaled $508,000 for the nine months ended September 30, 1998, a 32% 
decrease from $746,000 for the nine months ended September 30, 1997.   The 
decreases resulted from decreased levels of cash investments compared to the 
same periods last year.   

                                                                      10

<PAGE>

For the three and nine months ended September 30, 1998 and September 30, 
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 or 
nine months ended September 30, 1998 or September 30, 1997 due to net losses. 
The Company expects 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 $3,168,000, or $.25 per basic and diluted share, for the three months 
ended September 30, 1998 compared to a net loss of $526,000, or $.04 per 
basic   and diluted share, for the three months ended September 30, 1997.  
The Company incurred a net loss of $11,034,000, or $.87 per basic and diluted 
share, for the nine months ended September 30, 1998 compared to a net loss of 
$4,349,000, or $.35 per basic and diluted share, for the nine months ended 
September 30, 1997. Excluding the above referenced $1.6 million charge for 
purchased research and development associated with the .Provisioner license 
acquisition, the Company would have incurred a net loss of  $2,771,000 or 
$.22 per share, for the nine months ended September 30, 1997.  

LIQUIDITY AND CAPITAL RESOURCES  

At September 30, 1998 the Company had approximately $12,148,000 in cash, cash 
equivalents and investments, compared to $13,179,000 at December 31, 1997, a 
decrease of  $1,031,000.  The decrease in cash, cash equivalents and 
investments was primarily the result of net operating losses and, to a lesser 
extent, purchases of capital equipment.   

Working capital totaled $17,869,000 at September 30, 1998, a decrease of 
$8,919,000 from $26,788,000 at December 31, 1997.  The decrease in working 
capital was  primarily the result of net operating losses, decreased accounts 
receivable and  other current assets as well as an increase in accounts 
payable and other current liabilities.   

For the nine months ended September 30, 1998 the Company's operating 
activities used $575,000 in cash, primarily the result of net operating 
losses offset by decreased accounts receivable and other current assets and 
increased accounts payable compared to the use of $3,711,000 in cash for the 
nine months ended September 30, 1997.

For the nine months ended September 30, 1998 cash used for capital 
expenditures totaled approximately $1,641,000.  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 tenant improvements for the Company's Richardson, Texas office.  
The Company expects the level of capital expenditures will increase in 1998 
and 1999 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. 
However, there can be no assurance that the Company will not need to 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 

                                                                      11

<PAGE>

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 placed 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 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

                                                                      12

<PAGE>

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 thus, also faces 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  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 46% of the 
Company's total revenue in 1995, 1996, 1997, and the first nine months 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 46%, 31% and 0% of the Company's total revenue for the first nine 
months of 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, a labor strike at one or more of the Company's major 
customers, such as the recent Bell Atlantic and US West strikes, 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, Bell Atlantic, 
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

                                                                      13 
<PAGE>

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 55% of the Company's total revenues in 1996, 1997 and first nine 
months 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 45% of the Company's total revenue in 1996, 
1997 and first nine months 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 and through 
new product development. 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.   

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 

                                                                      14

<PAGE>

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 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.  
 

                                                                      15

<PAGE>

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 currently installed computer systems and software 
products are coded to accept only two digit entries in the date code field. 
Without modification, these systems and software will be unable to 
appropriately interpret or recognize dates beyond the calendar year 1999.  
The Year 2000 computer issue could result in system failures or 
miscalculations causing disruptions in business operations worldwide 
(including, without limitation, disruptions in order processing, invoicing, 
manufacturing and similar functions).

The risk to ADA exists in four areas:  systems used by the Company to run its 
business, systems used by the Company's suppliers, potential warranty or 
other claims from Company customers, and the potential reduced spending by 
TSPs on network performance management products as a result of significant 
information systems spending  on Year 2000 remediation.

The Company is continuing to conduct an assessment and analysis of its 
internal information technology ("IT") systems to determine the potential 
costs and scope of any Year 2000 issues.  Based on a preliminary assessment, 
ADA has determined that certain of its IT systems need to be upgraded or 
replaced to address Year 2000 issues.   The Company believes that all 
necessary upgrades or replacements of its IT systems will be completed by 
June 30, 1999. Validation testing will be conducted as IT systems are 
upgraded and replaced.  All IT systems that have been purchased in 1999 or 
1998 are Year 2000 compliant. The upgrades are generally covered by service 
contracts

                                                                      16

<PAGE>

previously entered into by the Company in the ordinary course of business and 
the cost of the upgrades and remediation is not expected to be material to 
the Company's operating results.  If implementation of upgrades or 
replacement systems is delayed, or if  significant new non-compliance issues 
are identified, the Company's results of operations or financial condition 
could be materially adversely affected. 

ADA is also in the process of conducting a comprehensive evaluation of its 
non-IT systems and equipment (e.g., facilities, and test equipment containing 
microprocessors or other similar circuitry, etc.).  Based on this evaluation 
to date, ADA is not aware of any Year 2000 issues which are expected to have 
a material adverse effect on the Company's non-IT systems and equipment.  
However, as the Company is still in the process of evaluating possible Year 
2000 issues with respect to certain key test equipment, there can be no 
assurance that ADA will not experience a material adverse effect due to Year 
2000 issues affecting this equipment.  ADA anticipates completing its 
assessment and analysis of this equipment by December 31, 1998.    

In addition, the Company is in the process of making inquiries of its third 
party suppliers to determine if they have any Year 2000 issues that will 
materially and adversely impact the Company.  To date, the Company has not 
been made aware of any material Year 2000 issues which would adversely affect 
ADA.  The Company expects to complete a survey of all such suppliers and 
vendors by December 31, 1998. 

The Company believes that the majority of its current products are Year 2000 
compliant.  It is expected that the remaining Company products will be Year 
2000 compliant by December 31, 1998.   Internal validation testing is being 
conducted as products are being upgraded.  An independent third party also 
performed validation testing on one of the Company's test and performance 
management products.   However, since all customer situations cannot be 
anticipated, particularly those involving third party products, the Company 
may see an increase in warranty and other claims as a result of the Year 2000 
transition. In addition, litigation regarding Year 2000 compliance issues is 
expected to escalate.  For these reasons, the impact of customer claims could 
have a material adverse impact on the Company's operating results or 
financial condition.

Year 2000 compliance is an issue for virtually all businesses, whose computer 
systems and applications may require significant hardware and software 
upgrades or modifications.   TSPs may plan to devote a substantial portion of 
their information systems' spending to fund such upgrades and modifications 
and divert spending away from network performance management products.  Such 
changes in customers' spending patterns could have a material adverse impact 
on the Company's sales, operating results or financial condition.

The Company intends to continue the review, remediation and testing of its 
Year 2000 status and, to the extent necessary, it will develop Year 2000 
contingency plans for critical business purposes.  In addition, there can be 
no assurance that Year 2000 issues will not have a material adverse effect on 
the Company if ADA and/or those with whom it conducts business are 
unsuccessful in identifying or implementing timely solutions to any Year 2000 
problems.

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.   

                                                                      17

<PAGE>

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 fourteen 
U.S. patents granted and five U.S. patent applications allowed. Four of the   
granted patents relates to the Company's Remote Module product.  
Additionally, the Company has five 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. 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

                                                                      18
<PAGE>

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. 

                                                                      19

<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 AND USE OF PROCEEDS. 

     None. 

ITEM 3.  DEFAULTS UPON SENIOR SECURITIES. 

     None. 

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

     None. 

ITEM 5.  OTHER INFORMATION. 

     Proposals of stockholders intended to be presented at the next Annual
     Meeting of the Stockholders of the Company must be received by the Company
     at its offices at 9855 Scranton Road, San Diego, CA, 92121 not later than
     December 14, 1998.  
     
ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K. 

     (a) Exhibits. 

     EXHIBIT NUMBER                                DESCRIPTION    
     -------------                                 -----------
     
       3.3(1)                 Certificate of Incorporation of the Company. 
       3.4(2)                 Certificate of Agreement of Merger of the Company
                              and its California predecessor.  
               
       3.5(1)                 Bylaws of the Company. 

       27.1                   Financial Data Schedule. 

     (1)  Incorporated by reference to the Company's Current Report on Form 8-K
          dated December 23, 1997 (File No. 0-23698).  
     
     (2)  Incorporated by reference to the Company's Current Report on Form 
          8-K/A dated January 12, 1998 (File No. 0-26398).  
          
     (b)  Reports on Form 8-K. 

     None. 

                                                                      20

<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: November 16, 1998        /s/  PETER P. SAVAGE    
                                    --------------------------
                                    Peter P. Savage  
                                    Director  
                                    President and Chief Executive Officer
                         
     Date: November 16, 1998        /s/  JAMES L. KEEFE       
                                    --------------------------- 
                                    James L. Keefe  
                                    Vice President Finance and  
                                    Administration and Chief Financial Officer


                                                                      21

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<NAME> APPLIED DIGITAL ACCESS INC
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