Transponder-less verification of the configuration of an...

Optical communications – Diagnostic testing – Determination of communication parameter

Reexamination Certificate

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Details

C398S009000, C398S010000, C398S013000, C398S017000, C398S022000, C398S031000, C398S033000

Reexamination Certificate

active

07945158

ABSTRACT:
A method, apparatus, and program, for evaluating an optical network node. The method comprises providing at least one communication path of the node with a capability by which lasing can occur in the communication path, and detecting whether lasing has been established in the communication path to determine whether the optical node is operational. If no lasing is detected in the detecting, a fault exists in the communication path. The method further comprises determining an insertion loss in the communication path, and determining whether the insertion loss is comparable to a predetermined insertion loss, to confirm whether the node is configured correctly.

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