System and method for controlling timing in a distributed digita

Details System and method for controlling timing in a distributed digita System and method for controlling timing in a distributed digita

1996-12-26

1999-05-04

Pham, Chi H.

Multiplex communications

Fault recovery

Bypass an inoperative switch or inoperative element of a...

370386, 370509, 370508, H04Q 1104, H04J 322, H04L 1264

Patent

active

059011360

ABSTRACT:
A timing system (100) for coordinating the components of a distributed digital cross-connect system (10) is provided. The timing system (100) includes a master timing system (102) that receives a network timing reference (98, 99) and generates a master timing signal. A distributed services node timing system (104, 106) is connected to the master timing system (102) and receives the master timing signal. The distributed services node timing system (104, 106) then embeds a timing signal in a data transmission frame (150). Two or more digital cross-connect timing systems (108) are connected to the distributed services node timing system (104, 106) and receive the data transmission frame (150). The digital cross-connect timing systems (108) retrieve the embedded timing signal from the data transmission frame (150).

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