<TABLE> <S> <C>

<ARTICLE> 5
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                                    3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          JUN-30-1998             JUN-30-1998             JUN-30-1998
<PERIOD-START>                             JUL-01-1997             JUL-01-1997             JUL-01-1997
<PERIOD-END>                               SEP-30-1997             DEC-31-1997             MAR-31-1998
<CASH>                                           2,132                   3,408                   3,265
<SECURITIES>                                     2,534                   2,755                   2,838
<RECEIVABLES>                                   45,724                  48,330                  56,335
<ALLOWANCES>                                       930                     825                   1,176
<INVENTORY>                                     47,553                  44,390                  50,819
<CURRENT-ASSETS>                               176,460                 176,532                 175,254
<PP&E>                                          56,916                  58,357                  58,526
<DEPRECIATION>                                  32,504                  34,287                  34,830
<TOTAL-ASSETS>                                 258,354                 257,342                 247,336
<CURRENT-LIABILITIES>                           66,705                  66,905                  77,295
<BONDS>                                         66,263                  62,895                  60,485
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                         1,650                   1,653                   1,665
<OTHER-SE>                                     119,746                 121,899                 105,891
<TOTAL-LIABILITY-AND-EQUITY>                   258,354                 257,342                 247,336
<SALES>                                         64,427                 130,981                 197,612
<TOTAL-REVENUES>                                64,427                 130,981                 197,612
<CGS>                                           43,924                  87,012                 131,074
<TOTAL-COSTS>                                   43,924                  87,012                 131,074
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                    47                       0                     233
<INTEREST-EXPENSE>                               1,113                   2,161                   3,476
<INCOME-PRETAX>                                  3,612                   6,538                  11,372
<INCOME-TAX>                                     1,300                   2,354                   4,083
<INCOME-CONTINUING>                              2,312                   4,184                   7,289
<DISCONTINUED>                                       0                       0                (12,500)<F2>
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     2,312                   4,184<F1>             (5,211)
<EPS-PRIMARY>                                      .14<F1>                 .25<F1>               (.32)<F1>
<EPS-DILUTED>                                      .14                     .25                   (.31)
<FN>
<F1>For purposes of this exhibit, primary means basic.
<F2>Discontinued operations -- consists of additional loss on disposal of the
Microwave Networks Division.
</FN>
        

</TABLE>