Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
OBRIEN PATRICK D
  2. Issuer Name and Ticker or Trading Symbol
ADC TELECOMMUNICATIONS INC [ADCT]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP, PRES GLOBAL CONNECTIVITY
(Last)
(First)
(Middle)
13625 TECHNOLOGY DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
03/03/2005
(Street)

MINNEAPOLIS, MN 55344
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/03/2005   M   7,291 A $ 0 100,995 D  
Common Stock (1) 03/03/2005   F   2,836 D $ 2.32 98,159 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Phantom Stock Unit (2) 03/03/2005   M     7,291   (2)   (2) Common Stock 7,291 $ 0 21,876 (3) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
OBRIEN PATRICK D
13625 TECHNOLOGY DRIVE
MINNEAPOLIS, MN 55344
      VP, PRES GLOBAL CONNECTIVITY  

Signatures

 By: Jeffrey D. Pflaum For: Patrick D. O'Brien   03/07/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The reporting person also indirectly beneficially owns 15,892 shares of ADC Telecommunications, Inc. common stock through the ADC Telecommunications, Inc. Retirement Savings Plan (401k), pursuant to a plan statement dated as of 12/31/04; and 17,307 shares through the Global Employee Stock Purchase Plan, based on a plan statement dated as of 9/30/04.
(2) Represents vesting of one-quarter of a grant of Phantom Stock Units issued on 3/3/04 under the ADC Telecommunications, Inc. Global Stock Incentive Plan. The remaining unvested units are subject to forfeiture and will vest one-third per year beginning 3/3/06. Vested units of phantom stock are settled, one-for-one, in shares of common stock.
(3) The reporting person also indirectly owns 319 phantom stock units which were accrued under the registrant's 401(k) Excess Plan and are to be settled in cash upon reporting person's retirement; conversion rate = One-for-One. The information herein is based on a statement dated as of 12/31/04.

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