<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 15
CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF
THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER
SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.
Commission File Number 0-22202
-------
PAIRGAIN TECHNOLOGIES, INC.
-------------------------------------------------------------------------------
(Exact name of registrant as specified in its charter)
14402 Franklin Avenue, Tustin, California 92780-7013
-------------------------------------------------------------------------------
(Address, including zip code, and telephone number, including area code, of
registrant's principal executive offices)
Common Stock, $.0005 Par Value
Preferred Stock Purchase Rights
-------------------------------------------------------------------------------
(Title of each class of securities covered by this Form)
NONE
-------------------------------------------------------------------------------
(Titles of all other classes of securities for which a duty to file reports
under section 13(a) or 15(d) remains)
Please place an X in the box(es) to designate the appropriate rule
provision(s) relied upon to terminate or suspend the duty to file reports.
Rule 12g-4(a)(1)(i) /X/* Rule 12h-3(b)(1)(i) /X/*
Rule 12g-4(a)(1)(ii) / / Rule 12h-3(b)(1)(ii) / /
Rule 12g-4(a)(2)(i) / / Rule 12h-3(b)(2)(i) / /
Rule 12g-4(a)(2)(ii) / / Rule 12h-3(b)(2)(ii) / /
Rule 15d-6 / /
Number of holders of record as of the certificate or notice date: 1
----
Pursuant to the requirements of the Securities Exchange Act of 1934,
PairGain Technologies, Inc. has caused this certification/notice to be signed on
its behalf by the undersigned duly authorized person.
Date: June 28, 2000 By: /s/ Charles T. Roehrick
-----------------------------------------------
Charles T. Roehrick, Vice President, Controller
* PairGain Technologies, Inc. was acquired by ADC Telecommunications, Inc.,
effective June 28, 2000. The shareholder of record of Pairgain Technologies,
Inc. is ADC Telecommunications, Inc.
