Protection switching in a multi-channel communications system

Details Protection switching in a multi-channel communications system Protection switching in a multi-channel communications system

1987-07-23

1991-07-02

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04J 116, H04J 314

Patent

active

050291580

ABSTRACT:
In a multi-channel, multi-site communications system, spans on working channels extending in an overlapping manner among the sites are afforded protection by a protection channel in accordance with a priority scheme. Enabling of protection switching for each span in the event of a signal failure on the span is dependent upon whether there is any protection higher priority overlapping span. This is determined individually for each span in response to each change in protection requests in the system.

REFERENCES:
patent: 4646286 (1987-02-01), Reid et al.
patent: 4680776 (1987-07-01), Ikeuchi et al.

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