Methods, systems, and computer-readable media for determining physical layer failures
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United States of America Patent
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Oct 5, 2010
Grant Date -
Dec 11, 2008
app pub date -
Jun 8, 2007
filing date -
Jun 8, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods, systems, and computer-readable media provide for notifying and determining a location of a fiber cut. According to embodiments, a method for determining a location of a fiber cut in a passive optical network (PON) including a plurality of optical network terminations (ONTs) is provided. According to the method, a plurality of base signatures are generated prior to the fiber cut. Each of the base signatures correspond to a known configuration of the plurality of ONTs. In response to the fiber cut, a current signature corresponding to a current configuration of the plurality of ONTs is generated. Whether the current signature matches one of the base signatures is determined. In response to finding a matching base signature, the location of the fiber cut is determined based on the known configuration of the plurality of ONTs corresponding to the matching base signature.
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