Providing digital services to telephone subscribers
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United States of America Patent
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-
Mar 19, 2002
Grant Date -
N/A
app pub date -
Feb 24, 1998
filing date -
Feb 24, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A local telecommunications network system IS arranged to provide a first asymmetric digital subscriber line (ADSL) service in a first frequency band to a first set of subscribers and a second very high bit rate digital subscriber line (VDSL) service in a second frequency band higher than the first frequency band to a second set of subscribers. Interference between the two types of digital traffic within the multi-pair feeder cables leading to the exchange is suppressed by low pass filtering the ADSL traffic and high pass filtering the VDSL traffic. The filtering may be applied to the line cards to which each subscriber line is connected.
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