MULTIPLEX SYNCHRONIZATION DEVICE IN A C MULTIPLEX SYNCHRONIZATION DEVICE IN A TEMPORAL SWITCHING UNIT TEMPORAL SWITCHING ENTRAL

摘要

A device for synchronizing multiplex lines in a time-division exchange comprising an input register, local and distant counters, a memory with a capacity of two frames, a frame alignment word detector, a write time select circuit, a decision circuit providing a frame skip or frame repetition facility for memory read operations, a circuit for addressing the memory in write and read modes and an odd parity injection circuit.