Method and system for providing protection in an optical...

Optical communications – Fault recovery – Bypass inoperative element

Reexamination Certificate

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Details

C398S059000, C398S056000, C398S057000, C398S066000, C398S070000, C398S071000, C398S072000, C398S083000, C370S221000, C370S222000

Reexamination Certificate

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10625609

ABSTRACT:
A method and system for providing tandem protection in a communication system. Path protection is provided using at least two redundant communication paths and selecting the communication having higher signal quality. Interface protection is provided through a protection transceiver thus implementing M:N equipment protection and 1+1 optical protection.

REFERENCES:
patent: 6567194 (2003-05-01), Badr
patent: 2002/0181037 (2002-12-01), Lauder et al.

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