SUMMA FOUR INC 10-K

SUMMA FOUR, INC.

EMPLOYMENT AGREEMENT WITH PHILIP T. COATES

SUBSIDIARIES OF THE REGISTRANT

CONSENT OF COOPERS & LYBRAND L.L.P.

FINANCIAL DATA SCHEDULE

RESTATED FINANCIAL DATA SCHEDULE FOR FY 31-MAR-97

RESTATED FINANCIAL DATA SCHEDULE FOR FY 31-MAR-96