<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                          19,418
<SECURITIES>                                    20,326
<RECEIVABLES>                                   58,460
<ALLOWANCES>                                     3,301
<INVENTORY>                                     26,785
<CURRENT-ASSETS>                               133,892
<PP&E>                                          15,413
<DEPRECIATION>                                  10,685
<TOTAL-ASSETS>                                 133,892
<CURRENT-LIABILITIES>                           41,671
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        49,535
<OTHER-SE>                                      59,217
<TOTAL-LIABILITY-AND-EQUITY>                   151,030
<SALES>                                        126,267
<TOTAL-REVENUES>                               126,267
<CGS>                                           89,531
<TOTAL-COSTS>                                   89,531
<OTHER-EXPENSES>                                29,282
<LOSS-PROVISION>                               255,734
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  8,507
<INCOME-TAX>                                     3,020
<INCOME-CONTINUING>                              5,843
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,843
<EPS-PRIMARY>                                     0.50
<EPS-DILUTED>                                     0.50