<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                          12,306
<SECURITIES>                                     3,525
<RECEIVABLES>                                   23,477
<ALLOWANCES>                                     1,628
<INVENTORY>                                     15,952
<CURRENT-ASSETS>                                58,579
<PP&E>                                          24,095
<DEPRECIATION>                                  19,575
<TOTAL-ASSETS>                                  66,568
<CURRENT-LIABILITIES>                           24,607
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        60,360
<OTHER-SE>                                    (18,399)
<TOTAL-LIABILITY-AND-EQUITY>                    66,568
<SALES>                                         83,590<F1>
<TOTAL-REVENUES>                                83,590
<CGS>                                           49,282<F2>
<TOTAL-COSTS>                                   49,282
<OTHER-EXPENSES>                                39,007
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   1
<INCOME-PRETAX>                                (4,234)
<INCOME-TAX>                                     6,951
<INCOME-CONTINUING>                           (11,185)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (11,185)
<EPS-BASIC>                                     (0.69)
<EPS-DILUTED>                                   (0.69)
<FN>
<F1>INCLUDES REVENUES FROM LICENSING OF SOFTWARE AND SUPPORT SERVICES.
<F2>INCLUDES COSTS FROM LICENSING OF SOFTWARE AND SUPPORT SERVICES.
</FN>