<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>                                          10,936
<SECURITIES>                                         0
<RECEIVABLES>                                   47,427
<ALLOWANCES>                                     2,442
<INVENTORY>                                     32,713
<CURRENT-ASSETS>                                96,791
<PP&E>                                          29,282
<DEPRECIATION>                                  15,524
<TOTAL-ASSETS>                                 182,234
<CURRENT-LIABILITIES>                           33,732
<BONDS>                                             83
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            17
<OTHER-SE>                                     137,595
<TOTAL-LIABILITY-AND-EQUITY>                   182,234
<SALES>                                         73,096
<TOTAL-REVENUES>                                73,096
<CGS>                                           36,911
<TOTAL-COSTS>                                   36,911
<OTHER-EXPENSES>                                  (77)
<LOSS-PROVISION>                                   205
<INTEREST-EXPENSE>                                 183
<INCOME-PRETAX>                                 13,685
<INCOME-TAX>                                     5,401
<INCOME-CONTINUING>                              8,284
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     8,284
<EPS-PRIMARY>                                     0.48
<EPS-DILUTED>                                     0.46