<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS FOR ADC TELECOMMUNICATIONS, INC. AND SUBSIDIARIES FOR THE
SIX-MONTH PERIOD ENDED APRIL 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.


<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          OCT-31-2000
<PERIOD-START>                             NOV-01-1999
<PERIOD-END>                               APR-30-2000
<CASH>                                         233,016
<SECURITIES>                                   549,267
<RECEIVABLES>                                  530,149
<ALLOWANCES>                                     9,677
<INVENTORY>                                    315,459
<CURRENT-ASSETS>                             1,689,943
<PP&E>                                         710,990
<DEPRECIATION>                                 326,857
<TOTAL-ASSETS>                               2,425,671
<CURRENT-LIABILITIES>                          633,522
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        61,653
<OTHER-SE>                                   1,708,942
<TOTAL-LIABILITY-AND-EQUITY>                 2,425,671
<SALES>                                      1,253,792
<TOTAL-REVENUES>                             1,253,792
<CGS>                                          639,712
<TOTAL-COSTS>                                  639,712
<OTHER-EXPENSES>                               388,605
<LOSS-PROVISION>                                 2,171
<INTEREST-EXPENSE>                               1,333
<INCOME-PRETAX>                                949,807
<INCOME-TAX>                                   344,611
<INCOME-CONTINUING>                            605,196
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   605,196
<EPS-BASIC>                                       1.99
<EPS-DILUTED>                                     1.90

<F1>AMOUNT IS NET OF ALLOWANCE FOR BAD DEBT AND RETURNS
<F2>AMOUNT IS NET OF OBSOLESCENCE RESERVES