Software controlled multi-mode bi-directional communication device
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United States of America Patent
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Apr 4, 2006
Grant Date -
Jan 16, 2003
app pub date -
Apr 10, 2002
filing date -
Jul 13, 2001
priority date (Note) -
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Abstract
Disclosed are a method and bi-directional communication device, such as a cable modem, for iteratively performing the following steps for each of a plurality of communications channels until a downstream data signal is detected. Selecting a communications channel and checking for a downstream signal having a first bandwidth complying with a first system interface standard, and if the downstream signal having said first bandwidth is not detected, then checking the communications channel for a downstream signal having a second bandwidth complying with a second system interface standard.
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