<PAGE>
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 2054
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (Date of Earliest Event Reported): July 29, 1998
CABLETRON SYSTEMS, INC.
(Exact name of registrant as specified in charter)
DELAWARE 1-10228 04-2797263
(State or other jurisdiction (Commission File Number) (I.R.S. Employer
of incorporation) Identification No.)
35 Industrial Way, Rochester, NH 03867
(Address of principal executive offices) (Zip code)
Registrant's telephone number, including area code: (603) 332-9400
<PAGE>
Item 5.
On July 29, 1998, Donald B. Reed resigned from the Board of Directors of
Cabletron. Mr. Reed resigned as a result of his current employment which he
believes presents him with a potential conflict of interest with his continuing
membership on the Board of Directors of Cabletron.
-2-
<PAGE>
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.
CABLETRON SYSTEMS, INC.
Date: July 31, 1998 By: /s/ David J. Kirkpatrick
----------------------------
David J. Kirkpatrick
Executive Vice President and
Chief Financial Officer
-3-
