<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS FOR ADC TELECOMMUNICATIONS, INC. AND SUBSIDIARIES FOR
THE NINE-MONTH PERIOD ENDED JULY 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          OCT-31-2000
<PERIOD-START>                             NOV-01-1999
<PERIOD-END>                               JUL-31-2000
<CASH>                                         176,865
<SECURITIES>                                 1,454,635
<RECEIVABLES>                                  660,106
<ALLOWANCES>                                    12,150
<INVENTORY>                                    422,238
<CURRENT-ASSETS>                             2,904,131
<PP&E>                                         885,701
<DEPRECIATION>                                 389,275
<TOTAL-ASSETS>                               4,001,300
<CURRENT-LIABILITIES>                        1,125,643
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       142,050
<OTHER-SE>                                   2,714,822
<TOTAL-LIABILITY-AND-EQUITY>                 4,001,300
<SALES>                                      2,255,516
<TOTAL-REVENUES>                             2,225,516
<CGS>                                        1,163,319
<TOTAL-COSTS>                                1,163,319
<OTHER-EXPENSES>                               826,679
<LOSS-PROVISION>                                 1,965
<INTEREST-EXPENSE>                               3,402
<INCOME-PRETAX>                              1,323,355
<INCOME-TAX>                                   523,479
<INCOME-CONTINUING>                            799,876
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   799,876
<EPS-BASIC>                                       1.14
<EPS-DILUTED>                                     1.08

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