Optical multi-branch communication system

Details Optical multi-branch communication system Optical multi-branch communication system

2001-08-30

2009-02-24

Wang, Quan-Zhen (Department: 2613)

Optical communications

Fault recovery

Bypass inoperative element

Reexamination Certificate

active

07496294

ABSTRACT:
A primary station equipment unit transmits, to a secondary station equipment unit, a message transmission enable signal granting transmission of a PST message from the secondary station equipment unit, when a predetermined period of time defined for transmission elapses after the primary station equipment unit transmitted a downstream PST message in a redundancy switching process corresponding to the secondary station equipment unit.

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