<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1999
<PERIOD-START>                             AUG-01-1998
<PERIOD-END>                               JAN-31-1999
<CASH>                                           3,798
<SECURITIES>                                    19,551
<RECEIVABLES>                                   11,500
<ALLOWANCES>                                       414
<INVENTORY>                                      6,365
<CURRENT-ASSETS>                                42,422
<PP&E>                                           5,023
<DEPRECIATION>                                   4,620
<TOTAL-ASSETS>                                  43,862
<CURRENT-LIABILITIES>                            7,520
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             9
<OTHER-SE>                                      36,333
<TOTAL-LIABILITY-AND-EQUITY>                    43,862
<SALES>                                         19,502
<TOTAL-REVENUES>                                19,502
<CGS>                                           15,109
<TOTAL-COSTS>                                   15,109
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                    419
<INCOME-TAX>                                       180
<INCOME-CONTINUING>                                239
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       239
<EPS-PRIMARY>                                     0.04
<EPS-DILUTED>                                     0.04