Optical transmission device and optical transmission system

Details Optical transmission device and optical transmission system Optical transmission device and optical transmission system

2006-06-06

2006-06-06

Payne, David C. (Department: 2638)

Optical communications

Diagnostic testing

Fault detection

C398S010000, C398S019000

Reexamination Certificate

active

07058298

ABSTRACT:
An optical transmission device in which optical signal switching is performed to allow the device to be reduced in size and also which is capable of efficient recovery from fault, thereby improving system expansibility and communication quality. Overhead terminating section converts an optical signal to an electric signal and performs an overhead process including extraction of fault information and setting of status information. Optical switch section performs a process of switching the optical signal between active and standby lines, and switching control section provides a switching command to the optical switch section in accordance with the fault information.

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