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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 V+UnO5CEMarPRmvkWlj3jO1QLdw5uyndS10mHAo0mgcaVNDNi72GGFY3/oxC4aLb
 jzrS2wmeGw3mcw98okDNWw==

<SEC-DOCUMENT>0001243786-05-000070.txt : 20051206
<SEC-HEADER>0001243786-05-000070.hdr.sgml : 20051206
<ACCEPTANCE-DATETIME>20051206134136
ACCESSION NUMBER:		0001243786-05-000070
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051201
FILED AS OF DATE:		20051206
DATE AS OF CHANGE:		20051206

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADC TELECOMMUNICATIONS INC
		CENTRAL INDEX KEY:			0000061478
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				410743912
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		13625 TECHNOLOGY DRIVE
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344
		BUSINESS PHONE:		9529388080

	MAIL ADDRESS:	
		STREET 1:		13625 TECHNOLOGY DRIVE
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAGNETIC CONTROLS CO
		DATE OF NAME CHANGE:	19850605

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MATHEWS JAMES G
		CENTRAL INDEX KEY:			0001245320

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-01424
		FILM NUMBER:		051246540

	BUSINESS ADDRESS:	
		STREET 1:		C/O NORTHWEST AIRLINES CORP
		STREET 2:		2700 LONE OAK PARKWAY DEPT A6030
		CITY:			EAGAN
		STATE:			MN
		ZIP:			55121
		BUSINESS PHONE:		9529170940

	MAIL ADDRESS:	
		STREET 1:		ADC TELECOMMUNICATIONS, INC.
		STREET 2:		13625 TECHNOLOGY DRIVE
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-12-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000061478</issuerCik>
        <issuerName>ADC TELECOMMUNICATIONS INC</issuerName>
        <issuerTradingSymbol>ADCT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001245320</rptOwnerCik>
            <rptOwnerName>MATHEWS JAMES G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>13625 TECHNOLOGY DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MINNEAPOLIS</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55344</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP CORPORATE CONTROLLER</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>428</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Spouse's IRA</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>James G. Mathews</signatureName>
        <signatureDate>2005-12-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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