<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BLACK BOX
CORPORATION'S FORM 10-Q FOR THE FISCAL QUARTER ENDED DECEMBER 31, 1997 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-31-1998
<PERIOD-START>                             OCT-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                           1,809
<SECURITIES>                                         0
<RECEIVABLES>                                   49,453
<ALLOWANCES>                                     2,666
<INVENTORY>                                     37,163
<CURRENT-ASSETS>                                96,589
<PP&E>                                          28,506
<DEPRECIATION>                                  14,629
<TOTAL-ASSETS>                                 184,161
<CURRENT-LIABILITIES>                           43,279
<BONDS>                                          8,223
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            17
<OTHER-SE>                                     120,837
<TOTAL-LIABILITY-AND-EQUITY>                   184,161
<SALES>                                         74,643
<TOTAL-REVENUES>                                74,643
<CGS>                                           37,472
<TOTAL-COSTS>                                   37,472
<OTHER-EXPENSES>                                 (184)
<LOSS-PROVISION>                                   333
<INTEREST-EXPENSE>                                 756
<INCOME-PRETAX>                                 13,214
<INCOME-TAX>                                     5,114
<INCOME-CONTINUING>                              8,100
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     8,100
<EPS-PRIMARY>                                     0.47
<EPS-DILUTED>                                     0.45