First line: Part Number EV3026 October 1999 EV3026 SONET/SDH Clock Recovery UnitAbstract: .. EV3026. SONET/SDH Clock Recovery Unit. 1. EVALUATION BOARD. Description. The S3026 S3026 evaluation board provides a flexible plat-form for verifying the operation of the S3026 S3026 Clock Recovery Unit CRU .. Tags: 92121*EV3026