<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH UNAUDITED FINANCIAL STATEMENTS FOR THE PERIOD ENDING MARCH 31, 2000.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          SEP-30-2000
<PERIOD-START>                             OCT-01-1999
<PERIOD-END>                               MAR-31-2000
<CASH>                                          59,175
<SECURITIES>                                    43,650
<RECEIVABLES>                                   23,045
<ALLOWANCES>                                     1,497
<INVENTORY>                                     37,926
<CURRENT-ASSETS>                               163,545
<PP&E>                                          27,009
<DEPRECIATION>                                  20,679
<TOTAL-ASSETS>                                 224,259
<CURRENT-LIABILITIES>                           30,306
<BONDS>                                            385
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             3
<OTHER-SE>                                     188,569
<TOTAL-LIABILITY-AND-EQUITY>                   224,259
<SALES>                                         53,283
<TOTAL-REVENUES>                                53,283
<CGS>                                           38,203
<TOTAL-COSTS>                                   38,203
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  63
<INCOME-PRETAX>                                  1,095
<INCOME-TAX>                                       200
<INCOME-CONTINUING>                              3,879
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,879
<EPS-BASIC>                                     0.18
<EPS-DILUTED>                                     0.16