WideBand cross-connect system and protection method...

Details WideBand cross-connect system and protection method... WideBand cross-connect system and protection method...

2003-12-22

2009-10-13

Ngo, Ricky (Department: 2416)

Multiplex communications

Fault recovery

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

C370S244000

Reexamination Certificate

active

07602701

ABSTRACT:
A cross-connect protection method and system having two switch fabrics each coupled to at least one SONET add/drop multiplexer. The SONET add/drop multiplexer utilizes PDI-P codes to determine which signal between a working signal received from a working fabric and protect signal received from a protect fabric to forward on to the client.

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