Fault detection for subscriber loop repeaters
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United States of America Patent
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-
Jan 11, 2005
Grant Date -
Mar 6, 2003
app pub date -
Apr 18, 2001
filing date -
Apr 21, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Systems and methods are described for fault detection for subscriber loop repeaters. A method includes monitoring an upstream signal on a digital subscriber loop for a fault detection signal that is added to said upstream signal at a repeater; and determining if a fault has occurred. An apparatus includes a digital subscriber loop fault detection system including: a receiver circuit that monitors an upstream signal on said digital subscriber loop for a fault detection signal that is added to said upstream signal at a repeater; and a logic circuit that determines whether a fault has occurred.
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