-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MTqrFJCs9PAMCl+iL7Bh0jcp0Rw4HkBTrScwDoE08tTSbNl0ukMe/13BBUZJv9Vv
 BjIfsCKVZ2AkmyXM+Gv5/w==

<SEC-DOCUMENT>0001019056-03-001021.txt : 20031002
<SEC-HEADER>0001019056-03-001021.hdr.sgml : 20031002
<ACCEPTANCE-DATETIME>20031002175602
ACCESSION NUMBER:		0001019056-03-001021
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030930
FILED AS OF DATE:		20031002

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MODLIN HOWARD S
		CENTRAL INDEX KEY:			0001188182

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08086
		FILM NUMBER:		03925299

	MAIL ADDRESS:	
		STREET 1:		P O BOX 813
		CITY:			LIBERTY CORNER
		STATE:			NJ
		ZIP:			07938

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GENERAL DATACOMM INDUSTRIES INC
		CENTRAL INDEX KEY:			0000040518
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				060853856
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		ROUTE 63
		CITY:			MIDDLEBURY
		STATE:			CT
		ZIP:			06762
		BUSINESS PHONE:		2035741118

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1299
		CITY:			MIDDLEBURY
		STATE:			CT
		ZIP:			06762-1299
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-09-30</periodOfReport>
    <issuer>
        <issuerCik>0000040518</issuerCik>
        <issuerName>GENERAL DATACOMM INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>GNRDV</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001188182</rptOwnerCik>
            <rptOwnerName>MODLIN HOWARD S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>WEISMAN CELLER SPETT &amp; MODLIN, P.C.</rptOwnerStreet1>
            <rptOwnerStreet2>445 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Chief Executive Officer</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Class B Common</value></securityTitle><transactionDate><value>2003-09-30</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>459268</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>459943</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirec
tOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">On September 16, 2003 there was a 1 for 10 reverse split of issuer's Common Stock and Class B Stock resulting in prior holdings of 6,750 Shares being reduced to 675 Shares of Class B Stock.</footnote></footnotes><remarks/><ownerSignature><signatureName>HOWARD S. MODLIN</signatureName><signatureDate>2003-09-30</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----