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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000919567-03-000061.txt : 20030909
<SEC-HEADER>0000919567-03-000061.hdr.sgml : 20030909
<ACCEPTANCE-DATETIME>20030909165038
ACCESSION NUMBER:		0000919567-03-000061
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030905
FILED AS OF DATE:		20030909

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTEGRATED SECURITY SYSTEMS INC
		CENTRAL INDEX KEY:			0000741114
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMUNICATIONS EQUIPMENT, NEC [3669]
		IRS NUMBER:				752422983
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		8200 SPRINGWOOD DR STE 230
		CITY:			IRVING
		STATE:			TX
		ZIP:			75063
		BUSINESS PHONE:		9724448280

	MAIL ADDRESS:	
		STREET 1:		8200 SPRINGWOOD DR SUITE 230
		CITY:			IRVING
		STATE:			TX
		ZIP:			75063

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RENAISSANCE CAPITAL GROWTH & INCOME FUND III INC
		CENTRAL INDEX KEY:			0000919567
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11900
		FILM NUMBER:		03888406

	BUSINESS ADDRESS:	
		STREET 1:		8080 N CENTRAL EXPRWY
		STREET 2:		STE 210 LB59
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75206
		BUSINESS PHONE:		2148918294

	MAIL ADDRESS:	
		STREET 1:		8080 N CENTRAL EXPWY., SUITE 210 LB 59
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75206
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>renn-conversion09052003_ex.xml
<TEXT>
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   <periodOfReport>2003-09-05</periodOfReport>
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    <issuer>
        <issuerCik>0000741114</issuerCik>
        <issuerName>INTEGRATED SECURITY SYSTEMS INC</issuerName>
        <issuerTradingSymbol>IZZI</issuerTradingSymbol>
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   <reportingOwner>
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            <rptOwnerName>RENAISSANCE CAPITAL GROWTH &amp; INCOME FUND III INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8080 N CENTRAL EXPRWY</rptOwnerStreet1>
            <rptOwnerStreet2>STE 210 LB59</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75206</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <reportingOwnerRelationship>
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         <isTenPercentOwner>1</isTenPercentOwner>
         <isOther>0</isOther>
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      <transactionDate>
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         <transactionCode>J</transactionCode>
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      <transactionAmounts>
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         <transactionPricePerShare>
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   <derivativeTransaction>
      <securityTitle>
         <value>Series F Preferred Stock</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>.20</value>
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         <value>2003-09-05</value>
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            <footnoteId id="F3"/>
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           <value>D</value>
            <footnoteId id="F3"/>
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   </derivativeTransaction>
   <derivativeTransaction>
      <securityTitle>
         <value>Series G Preferred Stock</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>.20</value>
      </conversionOrExercisePrice>
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         <value>2003-09-05</value>
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           <value>D</value>
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   <footnotes>
      <footnote id="F1"> Shares received as payment in kind of interest due on promissory notes.</footnote>

      <footnote id="F2"> Shares received as payment in kind of dividends due on Series F preferred stock.</footnote>

      <footnote id="F3"> Conversion of Series F preferred stock.</footnote>

      <footnote id="F4"> Conversion of Series G preferred stock.</footnote>

      <footnote id="F5"> Shares received as payment in kind of dividends due on Series G preferred stock.</footnote>
   </footnotes>
   <remarks>Renaissance Capital Growth &amp; Income Fund III, Inc. (&quot;RENN&quot;) is the beneficial owner of more than 10% of the Company's common stock on a fully converted basis. The investment Adviser is RENN Capital Group, Inc., which is Investment Manager for Renaissance US Growth Investment Trust PLC and Investment Adviser to BFS US Special Opportunities Trust PLC, both of which also own stock of the Company.</remarks>
   <ownerSignature>
      <signatureName>Russell Cleveland, President &amp; CEO</signatureName>
      <signatureDate>2003-09-09</signatureDate>
   </ownerSignature>
</ownershipDocument>

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