Optical transmission systems including optical protection...

Details Optical transmission systems including optical protection... Optical transmission systems including optical protection...

2007-03-27

2007-03-27

Sedighian, M. R. (Department: 2613)

Optical communications

Fault recovery

Bypass inoperative element

C398S003000, C398S004000, C398S012000, C398S019000

Reexamination Certificate

active

10373555

ABSTRACT:
Optical transmission systems of the present invention include optical protection systems, apparatuses, and methods that provide increased reliability in the system. The optical system generally includes an optical switch having distinct, cooperating dedicated and shared protection sections. The shared protection sections in a plurality of nodes can be configured to provide a protection net, in which a plurality of traffic demands, or working channels, are commonly protected as protection group using one protection channels supported by the protection net.

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International Search Report for PCT/US01/26554.
Written Opinion for PCT/US01/26554.
International Preliminary Examination Report for PCT/US01/26554.
Communication Pursuant to Article 96(2) EPC.

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