ADVANCED FIBRE COMMUNICATIONS INC
S-3, 2000-09-20
TELEPHONE & TELEGRAPH APPARATUS
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<PAGE>   1

   As filed with the Securities and Exchange Commission on September 20, 2000
                                                        Registration No. 333-
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                              --------------------
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      Under
                           THE SECURITIES ACT OF 1933
                              --------------------
                       ADVANCED FIBRE COMMUNICATIONS, INC.
             (Exact name of registrant as specified in its charter)

           Delaware                                      68-0277743
(State or other jurisdiction of            (I.R.S. Employer Identification No.)
incorporation or organization)

                          1465 North McDowell Boulevard
                           Petaluma, California 94954
                                 (707) 794-7700

               (Address, including zip code, and telephone number,
        including area code, of registrant's principal executive offices)

                                JOHN A. SCHOFIELD
                      President and Chief Executive Officer
                      ADVANCED FIBRE COMMUNICATIONS, INC.
                         1465 North McDowell Boulevard
                           Petaluma, California 94954
                                 (707) 794-7700

            (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)

                                   Copies to:
                             DAVID R. LAMARRE, ESQ.
                          Pillsbury Madison & Sutro LLP
                                  P.O. Box 7880
                         San Francisco, California 94120
                              --------------------

        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
     From time to time after this registration statement becomes effective.

        If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box. [ ]

        If any of the securities being registered on this Form are to be offered
on a delayed or continuous basis pursuant to Rule 415 under the Securities Act
of 1933, other than securities offered only in connection with dividend or
interest reinvestment plans, check the following box. [X]

        If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. [ ]

        If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [ ]

        If delivery of the prospectus is expected to be made pursuant to Rule
434, please check the following box. [ ]


                        CALCULATION OF REGISTRATION FEE

<TABLE>
<CAPTION>
==============================================================================================================
<S>                                      <C>                <C>               <C>                <C>
                                                              PROPOSED          PROPOSED
                                                               MAXIMUM           MAXIMUM          AMOUNT OF
  TITLE OF EACH CLASS OF                 AMOUNT TO BE       OFFERING PRICE       AGGREGATE       REGISTRATION
SECURITIES TO BE REGISTERED               REGISTERED         PER SHARE(1)     OFFERING PRICE(1)      FEE
--------------------------------------------------------------------------------------------------------------
Common stock, $.01 par value(2)          804,034 Shares        $45.125         $36,282,034.25     $9,578.46
==============================================================================================================
</TABLE>

(1)  Estimated solely for the purpose of calculating the registration fee
     pursuant to Rule 457(c) based upon the average of the high and low prices
     of the common stock on the Nasdaq National Market on September 18, 2000.

(2)  Associated with the common stock are Series A Junior Participating
     Preferred Stock Purchase Rights that will not be exercisable or be
     evidenced separately from the common stock prior to the occurrence of
     certain events.

        THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE SECURITIES AND EXCHANGE COMMISSION, ACTING
PURSUANT TO SAID SECTION 8(a), MAY DETERMINE.

================================================================================
<PAGE>   2


THE INFORMATION IN THIS PROSPECTUS IS NOT COMPLETE AND MAY BE CHANGED. WE MAY
NOT SELL THESE SECURITIES UNTIL THE REGISTRATION STATEMENT FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE. THIS PROSPECTUS IS NOT AN
OFFER TO SELL THESE SECURITIES AND IT IS NOT SOLICITING AN OFFER TO BUY THESE
SECURITIES IN ANY STATE WHERE THE OFFER OR SALE IS NOT PERMITTED.


                  Subject to completion, dated September 20, 2000
PROSPECTUS

                                 804,034 SHARES


                       ADVANCED FIBRE COMMUNICATIONS, INC.

                                  COMMON STOCK

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

        This prospectus relates to 804,034 shares of our common stock, par value
$0.01 per share, offered for the account of certain of our stockholders. The
selling stockholders acquired these shares in connection with our acquisition of
GVN Technologies, Inc. in May, 2000. These shares may be offered by the selling
stockholders from time to time in transactions, which may include block
transactions, on the Nasdaq National Market, in negotiated transactions, through
a combination of such methods of sale, or otherwise, at fixed prices that may be
changed, at market prices prevailing at the time of sale, at prices related to
prevailing market prices, or at negotiated prices. The selling stockholders may
effect such transactions by selling the shares to or through broker-dealers, who
may receive compensation in the form of discounts, concessions or commissions
from the selling stockholders and/or the purchasers of the shares for whom such
broker-dealers may act as agents or to whom they may sell as principals, or
both, which compensation as to a particular broker-dealer might be in excess of
customary commissions. We will not receive any of the proceeds from the sale of
the shares by the selling stockholders. We have agreed to bear all expenses of
registration of the shares, but all selling and other expenses incurred by a
selling stockholder will be borne by that selling stockholder.

        The selling stockholders and any broker-dealers, agents or underwriters
that participate with the selling stockholders in the distribution of the shares
may be deemed to be "underwriters" within the meaning of the Securities Act of
1933, as amended, and any commissions paid or any discounts or concessions
allowed to any such persons, and any profits received on the resale of the
shares purchased by them, may be deemed to be underwriting commissions or
discounts under the Securities Act. See "Selling Stockholders" and "Plan of
Distribution."


        Our common stock is traded on the Nasdaq National Market under the
symbol "AFCI."

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

        INVESTING IN OUR COMMON STOCK INVOLVES A HIGH DEGREE OF RISK. YOU SHOULD
CAREFULLY READ AND CONSIDER THE "RISK FACTORS" BEGINNING ON PAGE 4.

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

        NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

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


               The date of this prospectus is September   , 2000

<PAGE>   3


        We have not authorized anyone to provide you with information or to
represent anything not contained in this prospectus. You must not rely on any
unauthorized information or representations. The selling stockholders are
offering to sell, and seeking offers to buy, only the shares of our common stock
covered by this prospectus, and only under circumstances and in jurisdictions
where it is lawful to do so. The information contained in this prospectus is
current only as of its date, regardless of the time of delivery of this
prospectus or of any sale of the shares.

        You should read carefully the entire prospectus, as well as the
documents incorporated by reference in the prospectus, before making an
investment decision.


                           FORWARD-LOOKING STATEMENTS

        Except for the historical financial information contained herein, the
following discussion may contain "forward-looking statements" that have been
made pursuant to the provisions of the Private Securities Litigation Reform Act
of 1995. Such statements include declarations regarding the intent, belief,
estimates, current plans, or expectations of AFC and its management. Any such
forward-looking statements are not guarantees of future performance and involve
a number of risks and uncertainties. Actual results could differ materially from
those indicated by such forward-looking statements. Among the important factors
that could cause actual results to differ materially from those indicated by
such forward-looking statements are those set forth beginning on page 4 in "Risk
Factors," as well as those noted in the documents incorporated herein by
reference. Unless required by law, we undertake no obligations to update
publicly any forward-looking statements, whether as a result of new information,
future events or otherwise. However, readers should review carefully the risk
factors set forth in other reports or documents we file from time to time with
the Securities and Exchange Commission, particularly the Quarterly Reports on
Form 10-Q and any current reports on Form 8-K.

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

        AFC(R), Universal Modular Carrier(R), and UMC1000(R), are registered
trademarks, and AccessMAX(TM), OmniMAX(TM), PremMAX(TM), TransMAX(TM), EMAX(TM),
ONX1012(TM), CNX1024(TM), OCX103(TM), and FibreMAX(TM) are trademarks of
Advanced Fibre Communications, Inc. We also refer to trademarks of other
corporations and organizations in this prospectus.


                                       2
<PAGE>   4


                       ADVANCED FIBRE COMMUNICATIONS, INC.

        AFC designs and manufacturers worldwide broadband access solutions for
the last mile. AFC's OmniMAX(TM) is a global product family consisting of
industry-leading multi-service access platforms with integrated optics and
intelligent CPE. AFC's OmniMAX products can quickly and cost-effectively upgrade
legacy networks, ubiquitously delivering narrowband, wideband and broadband
services to all subscribers regardless of their geographic location from a
carrier's central office.

        AFC's OmniMAX product portfolio consists of: AccessMAX(TM), a variety of
broadband multi-service access platforms that provide local loop voice, data and
broadband solutions; PremMAX(TM), a series of integrated access devices (IADs)
that provide integrated voice and data at the customer premises; and
TransMAX(TM), a Sonet/SDH optical transport system for metro ring solutions. AFC
is also a leading designer and manufacturer of environmentally hardened outside
plant cabinets and technology, ranging from 48 to 2,048 lines, as well as indoor
cabinets ranging from 48 to 480 lines.

        AFC was incorporated in California in May 1992 and reincorporated in
Delaware in September 1995, and effected its initial public offering in 1996.
Unless the context requires otherwise, the term "AFC" means Advanced Fibre
Communications, Inc. and its wholly owned subsidiaries. Our executive offices
are located at 1465 North McDowell Boulevard, Petaluma, California, and our
telephone number at that address is (707) 794-7555.



                                       3
<PAGE>   5


                                  RISK FACTORS

        OUR OPERATING RESULTS WILL LIKELY CONTINUE TO FLUCTUATE DUE TO
SEASONALITY AND OTHER FACTORS.

        Our operating results have been, and will continue to be, affected by a
wide variety of factors, some of which are outside of our control, that could,
among other things, lower revenues, increase operating expenses, and lower net
income. These factors include:

        -   U.S. and international sales mix

        -   Customer and distribution channel mix

        -   Product feature component mix

        -   Timing and size of orders which are received and can be shipped in a
            quarter

        -   Availability of adequate supplies of key components and assemblies

        -   Component pricing due to vendor allocation

        -   Rapidly changing industry standards and customer needs

        -   Ability to introduce new product features and technologies on a
            timely basis

        -   Timing of new product feature introductions or announcements by us
            or by our competitors

        -   Price competition

        -   Unit volume

        -   Royalty revenue levels

        -   Excess or obsolete inventory

        -   Adequacy of manufacturing capacity

        -   Customers' ability to pay when due

        -   Expanded warranty coverage

        -   Integration of acquired businesses and technologies and expenses
            associated with acquisitions

        We sell the OmniMAX product family primarily to telecommunications
companies installing our equipment as part of their access networks. Additions
to those networks represent complex engineering projects, requiring lengthy
periods from project conceptualization to completion. Our equipment typically
represents only a portion of a given project and, therefore, the timing of
product shipment and revenue recognition is often difficult to forecast. Our
customers normally install a portion of our equipment in outdoor locations.
Shipments of the system can be subject to the effects of seasonality, with fewer
installation projects scheduled for the winter months. The majority of our sales
have been made to telecommunications companies in the U.S., and accordingly, we
believe that over time this seasonality will generally cause revenues in the
quarter ended March 31 to be lower than revenues in the preceding quarter ended
December 31. In developing countries, delays and reductions in the planned
project deployment can be caused by additional factors, including currency
fluctuations, reductions in capital availability due to declines in the local
economy, priority changes in governments' budgets, political environment, and
delays in receiving government approval for deployment of the OmniMAX global
product family in the last mile.

        Expenditures for research and development, sales, general, and
administrative functions are based, in part, on future growth projections and in
the near term are relatively fixed. We may be unable to adjust spending in a
timely manner in response to any unanticipated failure to meet these growth
projections. Accordingly, any significant decline in demand for the OmniMAX
global product family relative to planned levels could result in, among other
things, higher operating expenses and lower net income in a quarter or
subsequent quarters.


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<PAGE>   6

        All of the above factors are difficult to forecast, and these or other
factors could, among other things, reduce revenues, increase operating expenses,
and reduce net income. As a result, we believe that period to period comparisons
are not necessarily meaningful and should not be relied upon as indications of
future performance. There can be no assurance that we will sustain or increase
our profitability in the future.

        We have made an investment in a start-up company specializing in
telecommunication technologies. This investment is inherently risky, as the
market for the technology or products the company has under development are in
the early stages and may never materialize. We could lose our entire investment
in this company.

        In February 2000, we entered into a hedging transaction structured as a
costless collar agreement to minimize the potential impact of adverse market
risk on the Cisco Systems, Inc. shares we own. We are currently evaluating the
requirements and impact of Statement of Financial Accounting Standards (SFAS)
No. 133, Accounting for Derivative Instruments and Hedging Activities. SFAS No.
133 is effective for us beginning in the first quarter of 2001, and there may be
changes in accounting for hedges under SFAS No. 133 which, combined with the
anticipated volatility in Cisco's stock price, may affect our income statement
and cause our results of operations to fluctuate. See "Quantitative and
Qualitative Disclosures About Market Risk" as it pertains to this matter on page
20 of our Quarterly Report on Form 10-Q for the second quarter of 2000, for more
information.

        Fluctuations in our operating results may cause volatility in the price
of our common stock. It is possible that in any given period, revenues or
operating results will be below the expectations of public market analysts and
investors. In such event, the market price of our common stock would likely be
materially adversely affected. Due to factors outside our control, there may be
little or no meaningful relationship between the resulting market price of our
common stock and the results of operations. Factors outside of our control, such
as market analysts' published expectations and short traders' activities, can
cause a material fluctuation in our stock price. In addition, the stock market
has demonstrated extreme price and volume fluctuations that have affected the
market price of many technology companies in particular and that have been
unrelated to the operating performance of those companies. The significant
decline in the market price of our common stock in mid-1998 resulted in
stockholder litigation against us and various officers and directors. Such
litigation, or future litigation based on fluctuations in our stock price, could
result in substantial litigation costs, and a diversion of management's
attention and resources from our operations. See Note 5 - "Commitments and
Contingencies" as it pertains to this matter on page 6 of our Quarterly Report
on Form 10-Q for the second quarter of 2000.

        BECAUSE A LIMITED NUMBER OF CUSTOMERS ACCOUNT FOR A SUBSTANTIAL PORTION
OF OUR TOTAL REVENUES, THE LOSS OF A SINGLE CUSTOMER COULD HAVE A SIGNIFICANTLY
ADVERSE IMPACT ON OUR BUSINESS.

        For the quarter ended June 30, 2000, WinStar accounted for 23.3% of our
total revenues, and Sprint accounted for 13.5%. For the second quarter of 1999,
WinStar Sprint accounted for 15.0%. No other single customer accounted for 10%
or more of total revenues in either of these periods. Although our largest
customers have varied from period to period, we anticipate that results of
operations in any given period will continue to depend to a significant extent
upon sales to a small number of customers. This dependence may increase due to
our strategy of securing large accounts. Marconi Communications Inc. is our only
customer that has agreed to purchase a minimum amount of product from us. No
other customer has a minimum purchase agreement with us. There can be no
assurance that our significant customers will continue to purchase product at
current levels, if at all. In the event that a significant existing customer
merges with another company, there can be no assurance that such customer will
continue to purchase the OmniMAX global product family. The loss of one or more
significant


                                       5
<PAGE>   7


customers could, among other things, decrease our revenues and net income, and
increase our dependency on our remaining significant customers.

        WE MAY CONTINUE TO EXPERIENCE DELAYS AND DEFECTS IN PRODUCT DEVELOPMENT
AND PRODUCT FEATURE RELEASES.

        We have experienced delays in completing development and introduction of
new product variations and feature enhancements, and there can be no assurance
that such delays will not continue or recur in the future. We could incur
contract penalties should we fail to meet production and delivery time schedules
on certain orders. There can be no assurance that we will be successful in
developing new product features and releasing products to the market, or that we
will be able to do so before our competitors. Our OmniMAX global product family
contains a significant amount of complex hardware and software that may contain
undetected or unresolved errors that may become apparent as product features are
introduced, or as new versions are released. Technical difficulties have been
discovered in certain of our system installations. It is possible that, despite
significant testing, hardware or software errors will be found in our OmniMAX
global product family after commencement of shipments, resulting in delays or
cancellation of customer orders, payment of contract penalties to customers, or
the loss of market acceptance. Any of these factors could result in, among other
things, decreased revenues, net income, and cash flows.

        WE CONDUCT BUSINESS INTERNATIONALLY AND FACE SEVERAL RISKS ASSOCIATED
WITH INTERNATIONAL MARKETS.

        A portion of our business is conducted internationally. Operating in
international markets subjects us to certain risks, including:

        -   Political and economic conditions

        -   Tariffs or other barriers

        -   Longer sales and payment cycles

        -   Collection of accounts receivable

        -   Staffing and managing international operations

        -   Exchange and repatriation controls on foreign earnings

        -   Negative tax consequences

        -   Exchange rate fluctuations

        -   Changes in regulatory requirements

        International sales constituted 11.7% of our total revenues in the
quarter ended June 30, 2000 and 11.1% for the year to date. In the corresponding
periods of 1999, international sales were 11.7% and 12.3% of total revenues,
respectively. International sales have fluctuated in absolute dollars and as a
percentage of revenues and are expected to continue to fluctuate in future
periods. We continue to experience certain difficulties in international
markets, and there can be no assurance that we can expand our international
operations. Failure to meet revenue projections in the international market
could, among other things, adversely affect the future growth of consolidated
revenues, gross profit, and net income.

        Many international telecommunications companies are owned or strictly
regulated by local authorities. Access to international markets is often
difficult to achieve due to trade barriers and established relationships between
government-owned or controlled telecommunications companies and traditional
indigenous equipment vendors. Many of these companies require extended payment
terms and financing options which increase the risk of nonpayment and may, among
other things, have the effect of increasing our operating expenses, lowering net
income, and decreasing cash flows. We may be required


                                       6
<PAGE>   8

to post bid and performance bonds for certain customers in international
markets. Failure to meet delivery schedules could also result in the loss of
collateral posted for the bonds or financial penalties, which could, among other
things, increase our operating expenses and lower net income.

        We are working to enter new international markets which demand
significant management attention and financial commitment. Successful expansion
of international operations and sales in certain markets may depend on our
ability to establish and maintain productive strategic relationships. We rely on
a number of third party distributors and sales representatives to market and
sell the OmniMAX global product family outside of the U.S. There can be no
assurance that such distributors or sales representatives will provide the
support and effort necessary to service international markets effectively. In
addition, some of our third-party and indirect distribution channels have
resulted in lower gross profit margins in the past. Increased sales through
these channels may reduce our overall gross profit margins. There can be no
assurance that we will be able to identify suitable parties for joint ventures
or strategic relationships or, even if such parties are identified, that
successful joint ventures or strategic relationships will result. We may be
unable to increase international sales of the OmniMAX global product family
through joint ventures or strategic relationships. The failure to do so could
significantly limit our ability to expand international operations and could,
among other things, reduce our revenues, gross profit, and net income.

        Sales activities in foreign countries may subject us to taxation in
those countries. Although we have attempted to minimize our exposure to taxation
in foreign countries, any income or other taxes imposed may increase our overall
effective tax rate and adversely impact our competitiveness in those countries.
In addition, we currently intend that the earnings of our foreign subsidiaries
remain permanently invested in these entities in order to facilitate the
potential expansion of our business. To the extent that these earnings are
actually or deemed repatriated, U.S. and state income taxes would be imposed,
and this could adversely impact our overall effective tax rate, net income, and
cash flows.

        Our international sales are primarily U.S. dollar denominated. As a
result, an increase in the value of the dollar relative to foreign currencies
could make our product less competitive in international markets.

        We must comply with various country-specific regulations and standards
to compete in international markets. Any inability to obtain local regulatory
approval could delay or prevent entrance into international markets, which could
result in, among other things, delays or loss of customer orders, decreased
revenues, and lower net income.

        WE FACE INTENSE COMPETITION, AND THE COMPETITIVE LANDSCAPE IN OUR
INDUSTRY CHANGES RAPIDLY.

        Many of our competitors have more extensive financial, marketing, and
technical resources than we have and enjoy superior name recognition in the
market. Our primary competitors include: ADC Telecommunications, Inc., Carrier
Access Corporation, Compagnie Financiere Alcatel, Lucent Technologies, Inc.,
Marconi Communications Inc., Next Level Communications, Inc., Northern Telecom
Ltd., and Siemens AG.

        Marconi is a competitor in the U.S. market, but it also serves as a
distributor of our products in the international market starting this year. As a
result of a settlement and distribution agreement reached in February 2000,
Marconi entered into a minimum purchase agreement for our OmniMAX global product
family line and acts as a distributor in specific international markets.



                                       7
<PAGE>   9

        As a result of a settlement agreement and related agreements entered
into in 1998 with the Industrial Technology Research Institute, certain of its
member companies have been granted certain rights to manufacture and sell the
ETSI version of our narrowband UMC1000(TM) product outside of North America. We
currently compete with such entities in international markets, primarily in
China. Upon termination of certain restrictions set forth in the settlement
agreement, those member companies will gain a worldwide, non-exclusive,
royalty-free, irrevocable license to use an older version of narrowband UMC1000
technology in January 2005, and will be able to compete with us worldwide.

        We believe rapid technological change, continuing regulatory change and
industry consolidation will continue to cause rapid evolution in the competitive
environment of the telecommunications equipment market, the full scope and
nature of which is difficult to predict. Industry consolidation among our
competitors may provide those companies with price competition leverage and
broader product lines superior to our pricing and present technology. Moreover,
we believe that technological and regulatory change will continue to attract new
entrants to the market in which we compete. There can be no assurance that we
will be able to compete successfully in the future.

        OUR BUSINESS AND OPERATING RESULTS WILL BE HARMED IF WE FAIL TO MANAGE
RECENT AND POTENTIAL GROWTH.

        Historically, we have experienced periods of rapid growth, which have
imposed significant burdens on management, operations, finance, and other
resources. We must continue to recruit, train, assimilate, motivate, and retain
qualified managers and employees to manage our operations effectively. Our
results of operations could be adversely affected if revenues do not increase
sufficiently to compensate for any increase in operating expenses and facility
obligations resulting from any expansion. If we fail to effectively manage any
growth in our U.S. and international operations, including growth through
acquisitions, our business could be disrupted, and we could incur, among other
things, increased operating expenses, lower net income, and decreases in cash
flow.

        We have expanded our manufacturing capacity and may further expand it in
the future. There can be no assurance that we will not have excess manufacturing
capacity or that further utilization of our manufacturing and distribution
facility will continue without interruption.

        OUR PRODUCT LINE IS CONCENTRATED WITHIN A SINGLE FAMILY OF PRODUCTS, AND
OUR ABILITY TO INTRODUCE NEW PRODUCT FEATURES AND RESPOND TO RAPID TECHNOLOGICAL
CHANGE IS SUBJECT TO SIGNIFICANT UNCERTAINTY.

        Substantially all of our revenues are derived from the OmniMAX(TM)
global product family, and we expect this concentration will continue in the
foreseeable future. Any decrease in the level of sales of, or the prices for the
OmniMAX global product family could result in, among other things, decreased
revenues and lower net income. Factors potentially affecting sales include price
competition, introductions or announcements by competitors, a decline in the
demand for the OmniMAX global product family, or product obsolescence, among
others.

        The telecommunications equipment market is characterized by rapidly
changing technology, evolving industry standards, changes in end-user
requirements, and frequent new product introductions and enhancements. The
introduction of products embodying new technologies or the emergence of new
industry standards can render existing products obsolete or unmarketable. For
example, the introduction of new industry digital switch interfaces, such as
GR-303, TR-08, and V5, reduces the amount of equipment required to support each
access line or port. There can be no assurance that technological advances in
the telecommunications industry will not reduce sales of our OmniMAX global
product


                                       8
<PAGE>   10

family, diminish market acceptance of the system or render the system obsolete
and possibly result in, among other things, loss of customer orders, decreased
revenues, and lower net income.

        Our success will depend upon our ability to enhance the OmniMAX global
product family technology and to develop and introduce, on a timely basis, new
products or new product feature enhancements. Product enhancements must keep
pace with technological developments and emerging industry standards, and
address changing customer requirements in a cost-effective manner. There can be
no assurance that we will be successful in identifying, developing,
manufacturing, and marketing new products or product enhancements that respond
to technological change or evolving industry standards, and that achieve market
acceptance. We may be required to incur substantial costs to modify the OmniMAX
global product family, develop or acquire new products, and build our
infrastructure to accommodate these changes. In addition, if product or warranty
costs associated with new products are greater than we have experienced
historically, our gross profit may be adversely affected. From time to time, we
or our competitors may announce new products or product enhancements, services,
or technologies that have the potential to replace or shorten the life cycle of
the OmniMAX global product family, causing customers to defer purchasing our
equipment.

        OUR ABILITY TO PROTECT OUR PROPRIETARY TECHNOLOGY IS LIMITED, AND WE
EXPECT TO CONTINUE TO BE SUBJECT TO THIRD-PARTY CLAIMS OF INTELLECTUAL PROPERTY
INFRINGEMENT.

        We attempt to protect our technology through a combination of
copyrights, trade secret laws, contractual obligations, and patents. We do not
presently hold any patents for the OmniMAX global product family, and although
four patent applications are pending, they may not result in any issued patents.
These intellectual property protection measures may not be sufficient to prevent
wrongful misappropriation of our technology nor will they prevent competitors
from independently developing technologies that are substantially equivalent or
superior to our technology. The laws of many foreign countries do not protect
our intellectual property rights to the same extent as the laws of the U.S.
Failure to protect proprietary information could result in, among other things,
loss of our competitive advantage, loss of customer orders, decreased revenues,
and lower net income.

        Like other participants in our industry, we expect that we will be
increasingly subject to infringement claims and other intellectual property
disputes as competition in our market continues to intensify. We have been
subject to several intellectual property disputes in the past.

        From 1998 through January 2000, we pursued trade secret misappropriation
and related claims against RELTEC Corporation, now Marconi Communications Inc.
The case involved RELTEC's acquisition of our technology through our
Taiwan-based licensee, Vidar-SMS Co., Ltd. The case settled in February 2000,
when Marconi agreed to pay us $32.75 million in cash, and entered into a
distribution agreement for our UMC1000 product family that guarantees us minimum
purchases or specified payments over the next three years.

        In 1998, we settled litigation with the Industrial Technology Research
Institute and its sub-licensee member companies, and others, involving breach of
a prior agreement, trade secret misappropriation, unfair competition and related
claims. Under the settlement, we granted a limited license for the use of
certain proprietary technology. In September 1998, we settled litigation with
Acer Netxus, Inc. enjoining them from developing, manufacturing, and selling any
device utilizing or deriving from our UMC1000 technology.

        In 1996, we settled litigation with DSC Communications, Inc. (DSC) under
which DSC had claimed proprietary rights to the UMC1000 technology. In June
1999, we settled litigation with Alcatel USA, Inc. (formerly DSC) under a
separate proprietary rights claim to our UMC1000 technology.


                                       9
<PAGE>   11


        In the future, we may be subject to additional litigation and may be
required to defend against claimed infringements of the rights of others or to
determine the scope and validity of the proprietary rights of others. Litigation
also may be necessary to enforce and protect our trade secrets and other
intellectual property rights. Any such litigation could be costly and divert
management's attention from running our operations, either of which could result
in, among other things, increased operating expenses, lower net income, and
failure to remain competitive in a rapidly changing technological environment.
Adverse determinations in such litigation could result in the loss of our
proprietary rights, subject us to significant liabilities, require us to seek
licenses from third parties, or prevent us from manufacturing or selling our
products. Furthermore, there can be no assurance that any necessary licenses
will be available on reasonable terms. Any one of these results could, among
other things, decrease revenues, increase operating expenses, lower net income,
and decrease cash flows.

        OUR CUSTOMERS ARE CONCENTRATED IN A SINGLE INDUSTRY WHICH EXPOSES US TO
FLUCTUATIONS IN CAPITAL SPENDING PATTERNS AND OTHER FACTORS AFFECTING DEMAND FOR
OUR PRODUCTS IN THIS INDUSTRY.

        Our customers are concentrated in the public carrier telecommunications
industry and, in the U.S., include CLECs, RBOCs, NLECs, and IOCs. Accordingly,
our future success depends upon the capital spending patterns of these customers
and the continued demand by these customers for the OmniMAX global product
family. Our historical markets have been the U.S. and international small to
mid-line size markets. We are attempting to expand into larger-line size markets
both in the U.S. and international markets. The OmniMAX global product family
and any new products we introduce may not be met with widespread acceptance
among the telecommunications companies and other potential customers. Existing
customers and potential customers may adopt alternative architectures or
technologies that are incompatible with our technology which could result in,
among other things, delays or cancellation of customer orders, decreased
revenues, and lower net income. There can be no assurance that
telecommunications companies, foreign governments or other customers will pursue
infrastructure upgrades that will necessitate the implementation of advanced
products such as our OmniMAX global product family. Infrastructure improvements
may be delayed or prevented by a variety of factors including cost, regulatory
obstacles, the lack of consumer demand for advanced telecommunications services
and alternative approaches to service delivery.

        WE MAY BE UNABLE TO SECURE NECESSARY COMPONENTS AND SUPPORT BECAUSE WE
DEPEND UPON A LIMITED NUMBER OF THIRD-PARTY MANUFACTURERS AND SUPPORT
ORGANIZATIONS, OVER WHICH WE HAVE NO CONTROL, AND IN SOME CASES RELY UPON SOLE
SOURCE SUPPLIERS.

        Certain components used in our products, including our proprietary
ASICs, codec components, certain surface mount technology components and other
components, are only available from a single source or limited number of
vendors. A limited number of vendors manufacture the subassemblies to our
specifications for use in our systems. Some of the sole source vendors are
companies who, from time to time, allocate parts to telecommunications equipment
manufacturers due to market demand for components and equipment. Especially in
recent times in a worldwide telecommunications market expansion, many component
suppliers have placed critical components on worldwide allocation. Many of our
competitors are much larger and may be able to obtain priority allocations from
these shared vendors, thereby limiting or making unreliable the sources of
supply for these components. In addition, our current strategy includes focusing
on securing large customer accounts. These customers may require us to produce
and ship large orders within a compressed timeframe. This may absorb available
supplies of components and impair our ability to make later shipments to others.
We have experienced shortages of key components from time to time in the past,
and there can be no assurance that shortages of components will not occur in the
future or will not result in our having to pay a higher price for components. If
sufficient quantities of these or any other components cannot be obtained,
delays or reductions in manufacturing or product shipments could occur which
could result in, among other things,


                                       10
<PAGE>   12

delays or cancellation of customer orders, contractual penalties, lower
revenues, gross profit, net income, and cash flows. In particular, we rely upon:

        -   Solectron International USA, Inc. to manufacture PCBAs

        -   Siemens Microelectronics, Inc. for PCBA components

        -   Paragon Electronic Systems, Inc. and Tyco Printed Circuit Group Inc.
            to manufacture backplanes and channel bank assemblies

        -   General Cable Corporation for protector panel subassemblies

        -   CMOR Manufacturing and Wilco Wire Technology, Inc. for cable and
            wire harnesses and various turnkey assemblies

        -   American Microsystems, Inc. and Texas Instruments for ASICs

        -   Hendry Telephone Products for fuse panels and racks

        -   Powersafe Standby Batteries Inc. for battery systems

        -   PairGain Technologies, Inc. for custom enclosures and boards

        -   Sonoma Metal Products, Inc., Cowden Metal San Jose, Inc., Mayville
            Metal Products, and EMAR Inc. to manufacture the external housing
            cabinets

        -   Advanced Digital Graphics, Inc. for system documentation

        Our production and shipping schedules could be adversely affected if one
or more of our vendors were to experience financial, operational, production, or
quality assurance difficulties that resulted in a reduction or interruption in
supply to us or otherwise failed to meet our manufacturing requirements. We may
not be able to establish sufficient manufacturing supply from alternative
sources. Current or alternative manufacturers may not be able to meet our future
requirements and such manufacturing services may not continue to be made
available to us at favorable prices, or at all.

        Various third party support organizations provide post-sales support to
our U.S. customers. There can be no assurance that these organizations will be
able to provide the level of customer support demanded by existing or potential
customers.

        WE MUST ATTRACT, RETAIN, AND MOTIVATE KEY TECHNICAL AND MANAGEMENT
PERSONNEL IN A COMPETITIVE MARKET.

        Our success depends to a significant extent upon key technical and
management employees. The loss of the services of any of these key employees
could result in, among other things, loss of our competitive position in a
rapidly changing technological environment, which in turn could lead to
decreased revenues, increased operating expenses to locate experienced
replacements, and lower net income. In the recent past, we have experienced an
increase in our employee turnover rate, including technical and engineering
positions. Competition for highly qualified employees is intense and the process
of locating key technical and management personnel with the required combination
of skills and attributes is often lengthy and expensive. In general, we do not
have employment agreements with, or key person life insurance for, our
employees. There can be no assurance that we will be successful in


                                       11
<PAGE>   13


retaining our existing key personnel or in attracting and retaining the
additional employees we may require. There can be no assurance as to the ongoing
effect of key personnel on our business, financial condition and results of
operations.

        RECENT AND FUTURE ACQUISITIONS MAY ADVERSELY AFFECT OUR OPERATIONS AND
FINANCIAL RESULTS.

        As part of our efforts to enhance our existing products, introduce new
products, and fulfill changing customer requirements, we plan to pursue
acquisitions of complementary companies, products, and technologies. On May 16,
2000, we acquired GVN Technologies, Inc., a privately-held developer of
integrated access devices, for approximately 1.1 million shares and options to
purchase our common stock.

        Our acquisition of GVN and future acquisitions, if any, will involve
numerous risks, including the following:

        -   Disruption of our ongoing business and diversion of our management's
            time and attention

        -   Exposure to unknown liabilities of acquired companies

        -   Potential difficulties and costs in assimilating the operations,
            personnel, and technologies of the acquired businesses, such as
            integrating GVN's products into the OmniMAX global product family

        -   Possible loss of acquired companies' employees, customers, and
            vendors

        -   Difficulties in completing the development and application of
            acquired technologies

        -   Potential impairment of our existing relationships with employees,
            customers, distributors, and other business partners due to the
            addition of new personnel, products, and technologies

        -   Risks associated with operating in new markets, including
            potentially greater competition and additional intellectual property
            claims

        -   Additional expenses associated with amortization of goodwill or
            other intangible assets arising from acquisitions

        -   Dilution of our existing stockholders if we pay for acquisitions
            with equity securities, such as in the GVN acquisition

        We cannot make assurances that the GVN acquisition, or any other
acquisition that we undertake, will not result in significant costs or business
disruption, or that we will be able to successfully integrate GVN or any other
businesses, products, technologies, or personnel that we may acquire. Our
failure to do so could seriously harm our business, financial condition, and
results of operations.

        WE ARE PARTY TO COSTLY AND DISRUPTIVE LEGAL PROCEEDINGS, THE OUTCOME OF
WHICH IS UNPREDICTABLE.

        We are a party to certain legal proceedings as described in Note 5 -
"Commitments and Contingencies" on page 6 of our Quarterly Report on Form 10-Q
for the second quarter of 2000. We are unable to predict the ultimate outcome of
these proceedings or determine the total expense or possible loss, if any, that
may ultimately be incurred in the resolution of these proceedings. Regardless of
the ultimate outcome, these proceedings could result in significant diversion of
management's time, and significant legal costs which could result in, among
other things, increased operating expenses and lowered net income, and failure
to remain competitive in a rapidly changing technological environment.


                                       12
<PAGE>   14

        OUR BUSINESS WILL SUFFER IF OUR PRODUCTS DO NOT COMPLY WITH NUMEROUS
REGULATIONS AND INDUSTRY STANDARDS, WHICH ARE SUBJECT TO CHANGE.

        Our OmniMAX global product family must comply with a significant number
of voice and data regulations and standards, which vary between U.S. and
international markets, and may vary within specific international markets.
Standards for new services continue to evolve, and we will need to modify our
products or develop new versions to meet these standards. If our systems fail to
comply with evolving standards in U.S. and international markets on a timely
basis, our ability to sell our product would be impaired, and we could
experience, among other things, delayed or lost customer orders, decreased
revenues, and lower net income. Standards setting and compliance verification in
the U.S. are determined by the Federal Communications Commission, Underwriters
Laboratories, Quality Management Institute, Telcordia, other independent third
party testing organizations, and by independent telecommunications companies. In
international markets, our products must comply with recommendations issued by
the Consultative Committee on International Telegraph and Telephony, Industry
Canada, and individual regional carriers' network operating system requirements
and specifications. Our products must also comply with standards issued by the
European Telecommunications Standards Institute and implemented and enforced by
the Telecommunications Regulatory Authority of each European nation.

        We need to continue to ensure that the OmniMAX global product family is
easily integrated with various network management systems. Telcordia testing on
our products is often required to ensure interoperability with various standards
of operations, administration, maintenance and provisioning systems. Telcordia
testing requires significant investments in time and money to achieve
compliance. Failure to maintain such compliance or to obtain it on new features
released in the future could result in, among other things, delays in or loss of
customer orders, decreased revenues, and lower net income.

        We have maintained compliance with ISO 9001 (ISO) since we were first
certified in 1997. The ISO standard consists of all elements defining a quality
system, aimed primarily at achieving customer satisfaction by preventing
non-conformity at all stages, from design through servicing. There can be no
assurance that we will maintain such certification. The failure to maintain such
certification may preclude selling the OmniMAX global product family in certain
markets and could adversely affect our ability to compete with other vendors of
telecommunications equipment.

        We are currently working to meet compliance requirements for TL9000
certification, a quality standard designed specifically for the
telecommunications industry. There can be no assurance that we will attain
certification.

        Our ability to compete with other telecommunications equipment vendors
could be adversely affected should we fail to maintain interoperability with
other companies or if we fail to ensure that the OmniMAX global product family
complies with industry standards.

        In 1996, the U.S. Congress passed regulations that affect
telecommunications services, including changes to pricing, access by competitive
vendors and many other broad changes to the data and telecommunications networks
and services. These changes have had a major impact on the pricing of existing
services, and may affect the deployment of future services. These changes have
caused greater consolidation in the telecommunications industry, which in turn
could disrupt existing customer relationships, and could result in, among other
things, delays or loss of customer orders and lower revenues. There can be no
assurance that any future legislative and regulatory changes will not have a
material adverse effect on the demand for the OmniMAX global product family.
Uncertainty regarding future legislation and governmental policies combined with
emerging new competition may also affect the demand for telecommunications
products such as the OmniMAX system.


                                       13
<PAGE>   15


                           PROCEEDS FROM THE OFFERING

        We will not receive any proceeds from the sale of the shares by the
selling stockholders. All proceeds from the sale of the shares will be for the
account of the selling stockholders, as described below. See "Selling
Stockholders" and "Plan of Distribution" below.




                                       14
<PAGE>   16



                              SELLING STOCKHOLDERS

        The following table sets forth certain information as of September 1,
2000 regarding the beneficial ownership of common stock by each of the selling
stockholders and the shares being offered by the selling stockholders.
Information with respect to beneficial ownership is based upon information
obtained from the selling stockholders. Information with respect to shares owned
beneficially after the offering assumes the sale of all of the shares offered
and no other purchases or sales of common stock.

<TABLE>
<CAPTION>
                                          SHARES BENEFICIALLY                          SHARES BENEFICIALLY
                                             OWNED PRIOR                                   OWNED AFTER
                                             TO OFFERING            NUMBER OF              THE OFFERING
                                        ----------------------        SHARES          ----------------------
SELLING STOCKHOLDERS                     NUMBER        PERCENT     BEING OFFERED       NUMBER        PERCENT
--------------------                    ---------     --------     -------------      --------      --------
<S>                                     <C>            <C>         <C>                 <C>           <C>
David A. Davies                           1,895           *            1,309              586           *
Robert F. Dornon, M.D.                  144,573           *          130,116           14,457           *
Cliff Gimlin                                189           *               57              132           *
John M. Hamilton, Jr.                    91,824           *           72,742           19,082           *
William M. Hargen                        37,376           *           16,412           20,964           *
Edward F. Kamptner, Jr.                     355           *              319               36           *
Ron Kemmis                                4,881           *                7            4,874           *
Dorian LaRowe                             1,250           *               16            1,234           *
John M. Hamilton, M.D.                    7,758           *            6,982              776           *
A. Christopher Kasten                     2,987           *            2,688              289           *
David K. Kim                              4,711           *            4,240              471           *
Herminio Lugo, Jr.                          668           *              396              272           *
Angus McNeely                             3,868           *            2,336            1,532           *
Giao Nguyen                             314,600           *          259,380           55,220           *
Retirement Accounts, Inc. TTEE
FBO John W. Jennings SEP                  5,979           *            5,381              598           *

RMS Limited Partnership                 296,198           *          266,578           29,620           *
Karl E. Schlenther                       30,930           *           15,840           15,090           *
Yicheng Tong                                986           *              887               99           *
Binh D. Uong                             31,980           *           15,840           16,140           *
Edward D. Wirth, Jr.                      9,920           *            2,508            7,412           *
</TABLE>
-----------------

* Less than 1%

        All of the selling stockholders received their respective shares of
common stock in connection with the merger of our wholly owned subsidiary with
GVN, pursuant to which all of the outstanding shares of capital stock of GVN
were converted into shares of common stock and all outstanding options to
purchase common stock of GVN were converted into options to purchase our common
stock. Certain selling stockholders serve as employees of or consultants to AFC
or its wholly owned subsidiary. The


                                       15
<PAGE>   17

registration statement to which this prospectus relates is being filed pursuant
to a Registration Rights Agreement among us and the former GVN shareholders.
Subject to the terms and conditions of the Registration Rights Agreement, we
have agreed to file the registration statement, which covers 90% of the shares
of common stock received by each selling stockholder in the merger, and to keep
the registration statement effective until the earlier of (1) 90 days after the
effective date of the registration statement, or (2) the date on which all
selling stockholders are eligible to sell all such shares then held by them
pursuant to Rule 144 or Rule 145 under the Securities Act.


                              PLAN OF DISTRIBUTION

        The shares covered by this prospectus may be offered and sold at various
times by the selling stockholders. As used in this prospectus, the term "selling
stockholders" includes donees, pledgees, transferees or other
successors-in-interest selling shares received from a named selling stockholder
as a gift, partnership distribution, or other non-sale-related transfer after
the date of this prospectus. The selling stockholders will act independently of
us in making decisions with respect to the timing, manner and size of each sale.
The shares may be sold by or for the account of the selling stockholders in
transactions on the Nasdaq National Market, the over-the-counter market, or
otherwise. These sales may be made at fixed prices, at market prices prevailing
at the time of sale, at prices related to prevailing market prices, or at
negotiated prices. The shares may be sold by means of one or more of the
following methods:

        -   a block trade in which the broker-dealer so engaged will attempt to
            sell the shares as agent, but may position and resell a portion of
            the block as principal to facilitate the transaction;

        -   purchases by a broker-dealer as principal and resale by that
            broker-dealer for its account pursuant to this prospectus;

        -   ordinary brokerage transactions in which the broker solicits
            purchasers;

        -   in connection with short sales, in which the shares are redelivered
            to close out short positions;

        -   in connection with the loan or pledge of shares registered hereunder
            to a broker-dealer, and the sale of the shares so loaned or the sale
            of the shares so pledged upon a default;

        -   in connection with the writing of non-traded and exchange-traded
            call options, in hedge transactions and in settlement of other
            transactions in standardized or over-the-counter options;

        -   privately negotiated transactions; or

        -   in a combination of any of the above methods.

        If required, we will distribute a supplement to this prospectus to
describe material changes in the terms of the offering.

        In effecting sales, broker-dealers engaged by the selling stockholders
may arrange for other broker-dealers to participate in resales. Broker-dealers
may receive compensation in the form of discounts, concessions or commissions
from the selling stockholders or from the purchasers of the shares or from both.
This compensation may exceed customary commissions.


                                       16
<PAGE>   18

        The selling stockholders and any broker-dealers, agents or underwriters
that participate with the selling stockholders in the distribution of the shares
may be deemed to be "underwriters" within the meaning of the Securities Act of
1933. Any commissions paid or any discounts or concessions allowed to any of
those persons, and any profits received on the resale of the shares purchased by
them, may be deemed to be underwriting commissions or discounts under the
Securities Act.

        We have agreed to bear all expenses of registration of the shares (other
than fees and expenses, if any, of counsel or other advisors to the selling
stockholders and stock transfer taxes, if any, payable by the selling
stockholders). Any commissions, discounts, concessions or other fees, if any,
payable to broker-dealers in connection with any sale of the shares will be
borne by the selling stockholders selling those shares.


                                  LEGAL MATTERS

        Certain legal matters with respect to the validity of common stock
offered by this prospectus are being passed upon for us by Pillsbury Madison &
Sutro LLP, San Francisco, California.


                                     EXPERTS

        KPMG LLP, independent auditors, have audited our financial statements
included in our 1999 Annual Report on Form 10-K and the financial statements to
reflect the pooling filed on Form 8-K. These financial statements are
incorporated by reference in this prospectus in reliance upon KPMG's report,
given on their authority as experts in accounting and auditing.


                       WHERE YOU CAN FIND MORE INFORMATION

        We file annual, quarterly and special reports, proxy statements, and
other information with the Securities and Exchange Commission. You may read and
copy any materials we file with the Commission at the Commission's public
reference room at 450 Fifth Street, N.W., Washington, D.C. 20549. Please call
the Commission at 1-800-SEC-0330 for more information on its public reference
rooms. The Commission also maintains an Internet Website at http://www.sec.gov
that contains reports, proxy and information statements, and other information
regarding issuers that file electronically with the Commission.

        We have filed with the Commission a registration statement (which
contains this prospectus) on Form S-3 under the Securities Act of 1933. The
registration statement relates to the common stock offered by the selling
stockholders. This prospectus does not contain all of the information set forth
in the registration statement and the exhibits and schedules to the registration
statement. Please refer to the registration statement and its exhibits and
schedules for further information with respect to AFC and the common stock.
Statements contained in this prospectus as to the contents of any contract or
other document are not necessarily complete and, in each instance, we refer you
to the copy of that contract or document filed as an exhibit to the registration
statement. You may read and obtain a copy of the registration statement and its
exhibits and schedules from the Commission, as described in the preceding
paragraph.




                                       17
<PAGE>   19

                       DOCUMENTS INCORPORATED BY REFERENCE

        The Commission allows us to "incorporate by reference" the information
we file with them, which means that we can disclose important information to you
by referring you to those documents. The information incorporated by reference
is considered to be a part of this prospectus, and later information that we
file with the Commission will automatically update and supersede this
information. We incorporate by reference the documents listed below and any
future filings we make with the Commission under Section 13(a), 13(c), 14 or
15(d) of the Securities Exchange Act of 1934 until this offering is completed.
The documents we incorporate by reference are:

        -   Our Annual Report on Form 10-K for the year ended December 31, 1999
            and Amendment No. 1 to our Annual Report on Form 10-K/A filed on
            August 30, 2000.

        -   Our Quarterly Reports on Form 10-Q for the quarterly periods ended
            March 31, 2000 and June 30, 2000.

        -   Our Current Report on Form 8-K filed on September 19, 2000, which
            supercedes the financial information included in our Annual Report
            on Form 10-K for the year ended December 31, 1999 and our Quarterly
            Report on Form 10-Q for the quarterly period ended March 31, 2000.

        -   The description of our common stock contained in our registration
            statement on Form 8-A filed under the Exchange Act on July 31, 1996,
            incorporated therein by reference to our prospectus filed pursuant
            to Rule 424(b) under the Securities Act on February 13, 1997.

        -   The descriptions of our Series A Participating Preferred Stock
            Purchase Rights contained in the registration statements on Form 8-A
            filed under the Exchange Act on May 19, 1998 and October 29, 1998.

        You may request a copy of these filings, at no cost, by writing or
telephoning us at the following address and number:

               Investor Relations Department
               Advanced Fibre Communications, Inc.
               P.O. Box 751239
               Petaluma, California 94975-1239
               Telephone (707) 794-7555





                                       18
<PAGE>   20

                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

        The following table sets forth the various expenses payable by the
Registrant in connection with the sale and distribution of the securities being
registered hereby. Normal commission expenses and brokerage fees are payable
individually by the selling stockholders. All amounts are estimated except the
Commission registration fee.

<TABLE>
<CAPTION>
                                                              Amount
                                                            ----------
<S>                                                         <C>
SEC registration fee .............................          $ 9,578.46
Accounting fees and expenses .....................            5,000.00
Legal fees and expenses ..........................           20,000.00
Miscellaneous fees and expenses ..................            5,000.00
                                                            ----------
       Total .....................................          $39,578.46
                                                            ==========
</TABLE>

ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS

        Section 145 of the Delaware General Corporation Law provides for the
indemnification of officers, directors, and other corporate agents in terms
sufficiently broad to indemnify such persons under certain circumstances for
liabilities (including reimbursement for expenses incurred) arising under the
Securities Act. The Registrant's certificate of incorporation limits the
liability of directors to the maximum extent permitted by Delaware law. The
Registrant's bylaws provide for indemnification of the Registrant's directors to
the extent permitted by the Delaware General Corporation Law and authorize the
Registrant's Board of Directors to similarly indemnify the Registrant's officers
and other agents. The Registrant has entered into agreements with its directors
and officers that will require the Registrant, among other things, to indemnify
them against certain liabilities that may arise by reason of their status or
service as directors or officers.

ITEM 16. EXHIBITS

<TABLE>
<CAPTION>
        EXHIBIT
        NUMBER               DESCRIPTION OF DOCUMENT
        -------              -----------------------
<S>                          <C>
           5.1               Opinion of Pillsbury Madison & Sutro LLP.

          23.1               Consent of KPMG LLP, Independent Auditors.

          23.2               Consent of Pillsbury Madison & Sutro LLP (included
                             in its opinion filed as Exhibit 5.1 to this
                             Registration Statement).

          24.1               Powers of Attorney.
</TABLE>

ITEM 17. UNDERTAKINGS

        Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to directors, officers and controlling persons of the
Registrant pursuant to the foregoing provisions, or otherwise, the Registrant
has been advised that in the opinion of the Commission such indemnification is
against public policy as expressed in the Securities Act and is, therefore,
unenforceable. In the event that a claim for indemnification against such
liabilities (other than the payment by the Registrant of expenses incurred or
paid by a director, officer or controlling person of the Registrant in the
successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the


                                      II-1
<PAGE>   21

opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Securities
Act and will be governed by the final adjudication of such issue.

        The undersigned Registrant hereby undertakes:

               (1) To file, during any period in which offers or sales are being
        made, a post-effective amendment to the Registration Statement:

                   (i) To include any prospectus required by Section 10(a)(3) of
               the Securities Act;

                   (ii) To reflect in the prospectus any facts or events arising
               after the effective date of the Registration Statement (or the
               most recent post-effective amendment thereof) which, individually
               or in the aggregate, represent a fundamental change in the
               information set forth in the Registration Statement; and

                   (iii) To include any material information with respect to the
               plan of distribution not previously disclosed in the Registration
               Statement or any material change to such information in the
               Registration Statement;

        Provided, however, that paragraphs (i) and (ii) do not apply if the
information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed by the Registrant pursuant to
Section 13 or Section 15(d) of the Exchange Act that are incorporated by
reference in the Registration Statement.

               (2) That, for the purpose of determining any liability under the
        Securities Act, each such post-effective amendment shall be deemed to be
        a new registration statement relating to the securities offered therein,
        and the offering of such securities at that time shall be deemed to be
        the initial bona fide offering thereof.

               (3) To remove from registration by means of a post-effective
        amendment any of the securities being registered which remain unsold at
        the termination of the offering.

               (4) That, for purposes of determining any liability under the
        Securities Act, each filing of the Registrant's annual report pursuant
        to Section 13(a) or Section 15(d) of the Exchange Act that is
        incorporated by reference in the Registration Statement shall be deemed
        to be a new registration statement relating to the securities offered
        therein, and the offering of such securities at that time shall be
        deemed to be the initial bona fide offering thereof.




                                      II-2
<PAGE>   22

                                   SIGNATURES

        Pursuant to the requirements of the Securities Act, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3, and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Petaluma, State of California, on September 20, 2000.

                                    ADVANCED FIBRE COMMUNICATIONS, INC.


                                    By           JOHN A. SCHOFIELD*
                                       -----------------------------------------
                                                 John A. Schofield
                                        President and Chief Executive Officer


        Pursuant to the requirements of the Securities Act, this Registration
Statement has been signed below by the following persons in the capacities on
September 20, 2000.

<TABLE>
<CAPTION>
PRINCIPAL EXECUTIVE OFFICER AND DIRECTOR             DIRECTORS
<S>                                                  <C>
               JOHN A. SCHOFIELD*                                   DONALD GREEN*
-------------------------------------------------    --------------------------------------------
               John A. Schofield                                    Donald Green
Director, President and Chief Executive Officer                 Chairman of the Board


                                                               HERBERT M. DWIGHT, JR.*
                                                     --------------------------------------------
PRINCIPAL FINANCIAL OFFICER                                    Herbert M. Dwight, Jr.


                KEITH E. PRATT*                                    RUANN F. ERNST*
-------------------------------------------------    --------------------------------------------
                 Keith E. Pratt                                    Ruann F. Ernst
    Vice President, Chief Financial Officer
            and Assistant Secretary

                                                                CLIFFORD H. HIGGERSON*
                                                     --------------------------------------------
                                                                Clifford H. Higgerson
PRINCIPAL ACCOUNTING OFFICER

                 JUDE RADESKI*                                       DAN RASDAL*
-------------------------------------------------    --------------------------------------------
                 Jude Radeski                                        Dan Rasdal
             Corporate Controller

                                                                    ALEX SOZONOFF*
                                                     --------------------------------------------
                                                                    Alex Sozonoff
</TABLE>


 *By          /s/ Amy M. Paul
    --------------------------------------
         Amy M. Paul, Attorney-in-Fact





                                      II-3
<PAGE>   23

                                  EXHIBIT INDEX

<TABLE>
<CAPTION>
EXHIBIT NUMBER      DESCRIPTION OF DOCUMENT
--------------      -----------------------
<S>                 <C>
       5.1          Opinion of Pillsbury Madison & Sutro LLP.

      23.1          Consent of KPMG LLP, Independent Auditors.

      23.2          Consent of Pillsbury Madison & Sutro LLP (included in its
                    opinion filed as Exhibit 5.1 to the Registration Statement).

      24.1          Powers of Attorney.
</TABLE>




                                      II-4


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