<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BLACK BOX
CORPORATION'S FORM 10-Q FOR THE FISCAL QUARTER ENDED JUNE 30, 1998 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-START>                             APR-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                          11,072
<SECURITIES>                                         0
<RECEIVABLES>                                   47,365
<ALLOWANCES>                                     2,445
<INVENTORY>                                     33,136
<CURRENT-ASSETS>                                97,131
<PP&E>                                          29,884
<DEPRECIATION>                                  15,891
<TOTAL-ASSETS>                                 182,941
<CURRENT-LIABILITIES>                           33,970
<BONDS>                                             83
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            17
<OTHER-SE>                                     138,064
<TOTAL-LIABILITY-AND-EQUITY>                   182,941
<SALES>                                         73,812
<TOTAL-REVENUES>                                73,812
<CGS>                                           37,348
<TOTAL-COSTS>                                   37,348
<OTHER-EXPENSES>                                  (77)
<LOSS-PROVISION>                                   333
<INTEREST-EXPENSE>                                 184
<INCOME-PRETAX>                                 13,798
<INCOME-TAX>                                     5,451
<INCOME-CONTINUING>                              8,347
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     8,347
<EPS-PRIMARY>                                     0.48
<EPS-DILUTED>                                     0.46