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Exhibit 23-b

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We consent to the use in this Registration Statement No. 333-108247 of ADC Telecommunications, Inc. on Form S-1 of our report dated August 11, 2004, appearing in the Prospectus, which is part of this Registration Statement. We also consent to the reference to us under the heading "Experts" in such Prospectus.

	/s/ DELOITTE & TOUCHE LLP
Parsippany, New Jersey January 19, 2005

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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM