<ARTICLE> 5
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                           5,224
<SECURITIES>                                     6,209
<RECEIVABLES>                                   20,870
<ALLOWANCES>                                     2,292
<INVENTORY>                                      9,404
<CURRENT-ASSETS>                                41,783
<PP&E>                                           8,471
<DEPRECIATION>                                   6,259
<TOTAL-ASSETS>                                  79,176
<CURRENT-LIABILITIES>                           16,796
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         1,585
<OTHER-SE>                                      60,795
<TOTAL-LIABILITY-AND-EQUITY>                    79,176
<SALES>                                         29,720
<TOTAL-REVENUES>                                29,720
<CGS>                                           21,745
<TOTAL-COSTS>                                   27,253
<OTHER-EXPENSES>                                 (257)
<LOSS-PROVISION>                                   (3)
<INTEREST-EXPENSE>                                   9
<INCOME-PRETAX>                                  2,723
<INCOME-TAX>                                       950
<INCOME-CONTINUING>                              1,773
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,773
<EPS-PRIMARY>                                      .37
<EPS-DILUTED>                                      .37