<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
STATEMENTS OF OPERATIONS, BALANCE SHEETS, STATEMENTS OF STOCKHOLDERS' 
EQUITY AND STATEMENTS OF CASH FLOWS AND IS QUALIFIED IN ITS ENTIRETY 
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>     1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                           5,986
<SECURITIES>                                         0
<RECEIVABLES>                                   39,259
<ALLOWANCES>                                   (3,000)
<INVENTORY>                                     22,687
<CURRENT-ASSETS>                                69,414
<PP&E>                                          31,074
<DEPRECIATION>                                (16,942)
<TOTAL-ASSETS>                                  93,959
<CURRENT-LIABILITIES>                           23,132
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        85,498
<OTHER-SE>                                    (29,456)
<TOTAL-LIABILITY-AND-EQUITY>                    93,959
<SALES>                                         22,660
<TOTAL-REVENUES>                                23,635
<CGS>                                            9,953
<TOTAL-COSTS>                                   15,489
<OTHER-EXPENSES>                                    71
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 289
<INCOME-PRETAX>                                (2,025)
<INCOME-TAX>                                        47
<INCOME-CONTINUING>                            (2,072)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (2,072)
<EPS-PRIMARY>                                    (.12)
<EPS-DILUTED>                                    (.12)