Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code), I, Howard S. Modlin, Chairman of the Board, President and Chief Executive Officer of General DataComm Industries, Inc. (the “Company”), do hereby certify, to the best of my knowledge that:

(1) Except for the financial statements which are unaudited, the Company’s Annual Report on Form 10-K for the year ended September 30, 2008 being filed with the Securities and Exchange Commission (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

This Certification accompanies this Form 10-K as an exhibit, but shall not be deemed as having been filed for purposes of Section 18 of the Securities Exchange Act of 1934 or as a separate disclosure document of the Company or the certifying officer.

	/s/ Howard S. Modlin
Date: January 13, 2009	Howard S. Modlin,
	Chairman of the Board, President and Chief Executive Officer

GENERAL DATACOMM INDUSTRIES INC 10-K