Digital subscriber line diagnostic system
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United States of America Patent
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Sep 12, 2006
Grant Date -
Oct 9, 2003
app pub date -
Apr 8, 2003
filing date -
May 9, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A communication device transmits very low frequency signals in order to help diagnose the cause of a communication problem in a DSL communication system. The communication problem may be, for example, the inability of a remote data transceiver unit (DTU-R) to successfully train-up with a central data transceiver unit (DTU-C). The very low frequency signals may be used to communicate the status or settings of the remote transceiver unit to the DTU-C, to download settings parameters or executable code to the DTU-R, or to coordinate the transmission of testing signals.
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