Auto shutdown for distributed raman amplifiers on optical communication systems
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United States of America Patent
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Oct 19, 2004
Grant Date -
N/A
app pub date -
Apr 9, 2002
filing date -
Apr 17, 2001
priority date (Note) -
Expired
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Abstract
A method and apparatus for detecting if an optical module has been disconnected from a fiber span or if there has been a break in the span, and for automatically reducing the output signal level of the optical module such that the output signal level is within an acceptable safety limit. Also disclosed is a system and technique for automatically resetting a Raman pump unit once the source of an optical leak has been located and addressed.
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