Clock-recovery module

April 1, 1995

Clock-recovery module

SCRM-622 clock-recovery module suits Sonet OC-12/CCITT STM-4 rates. Three levels of synchronization--loop, system and internal--are included in one package. An onboard crystal oscillator produces a 䔸- parts-per-million TTL clock at 31.104 MH¥for holdover and system use. Jitter tolerance meets CCITT STM-4A and Bellcore requirements. All control lines are TTL-compatible, and high-speed inputs and outputs are ECL level.

Vectron Laboratories Inc.

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