<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> JUL-31-2001
<PERIOD-START> AUG-01-2000
<PERIOD-END> OCT-31-2000
<CASH> 1,503
<SECURITIES> 10,427
<RECEIVABLES> 16,747
<ALLOWANCES> 1,473
<INVENTORY> 10,730
<CURRENT-ASSETS> 41,818
<PP&E> 6,077
<DEPRECIATION> 2,545
<TOTAL-ASSETS> 56,809
<CURRENT-LIABILITIES> 8,914
<BONDS> 0
0
0
<COMMON> 12
<OTHER-SE> 47,883
<TOTAL-LIABILITY-AND-EQUITY> 56,809
<SALES> 12,338
<TOTAL-REVENUES> 12,338
<CGS> 7,446
<TOTAL-COSTS> 7,446
<OTHER-EXPENSES> 6,582
<LOSS-PROVISION> 271
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (1,527)
<INCOME-TAX> (370)
<INCOME-CONTINUING> (1,157)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (1,157)
<EPS-BASIC> (0.09)
<EPS-DILUTED> (0.09)
</TABLE>