<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AS OF JUNE 30, 2000, CONSOLIDATED STATEMENT OF
OPERATIONS FOR THE THREE MONTH PERIOD ENDED JUNE 30, 2000 AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> MAR-31-2001
<PERIOD-START> APR-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 15,121
<SECURITIES> 2,024
<RECEIVABLES> 32,749
<ALLOWANCES> 7,371
<INVENTORY> 8,177
<CURRENT-ASSETS> 55,001
<PP&E> 20,556
<DEPRECIATION> 13,779
<TOTAL-ASSETS> 68,711
<CURRENT-LIABILITIES> 21,902
<BONDS> 0
0
0
<COMMON> 410
<OTHER-SE> (675)
<TOTAL-LIABILITY-AND-EQUITY> 68,711
<SALES> 7,856
<TOTAL-REVENUES> 7,856
<CGS> 4,292
<TOTAL-COSTS> 29,060
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 505
<INCOME-PRETAX> (25,444)
<INCOME-TAX> 18
<INCOME-CONTINUING> (25,462)
<DISCONTINUED> 0
<EXTRAORDINARY> (800)
<CHANGES> 0
<NET-INCOME> (26,262)
<EPS-BASIC> (0.71)
<EPS-DILUTED> (0.71)
</TABLE>