Method of controlling 1+1bi-directional switching operation...

Details Method of controlling 1+1bi-directional switching operation... Method of controlling 1+1bi-directional switching operation...

2006-09-19

2006-09-19

Nguyen, Chau (Department: 2616)

Multiplex communications

Fault recovery

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

C370S227000, C370S228000

Reexamination Certificate

active

07110354

ABSTRACT:
A system and method of controlling a bi-directional switching operation for a synchronous transfer mode (STM-1) signal transmission line of an asynchronous transfer mode (ATM) switch is disclosed. The system and method provide a rapid bi-directional switching operation through a 1+1 structure, being compatible with a 1+N structure, using MSP (Multiplex Section Protection) protocol. The process includes determining whether a signal fail has occurred, determining whether a priority of the signal fail is higher than that of a current signal fail determining whether a target station uses the same protocol as a source station if the priority of the signal fail is higher and performing a switching operation and transmitting a switching notification signal to the target station if the same protocol is used by the target station.

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