Automatic optical power management in optical communications...

Details Automatic optical power management in optical communications... Automatic optical power management in optical communications...

2007-08-21

2007-08-21

Pascal, Leslie (Department: 2613)

Optical communications

Diagnostic testing

Fault detection

C398S013000, C398S030000

Reexamination Certificate

active

10241186

ABSTRACT:
An automatic optical power management system for use with an optical communications system includes a light source residing in a first circuit pack and adapted to emit light at a nominal power level only absent receipt of an indicator signifying a loss of signal resulting from a fiber discontinuity relating to the first optical fiber, wherein the nominal power level is of sufficient magnitude to violate laser safety guidelines in the event of the fiber discontinuity. A redundant detection system includes a first optical detector residing in the first circuit pack, and a second optical detector residing in a second circuit pack that is optically adjacent to the first circuit. A redundant response system communicates an indicator signifying loss of signal from the first and second optical detectors to the light source upon detection of loss of signal by either detector.

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