Methods and apparatus for communicating commands and data using logical channels
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United States of America Patent
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Oct 24, 2006
Grant Date -
N/A
app pub date -
Mar 8, 1999
filing date -
Mar 8, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A communication system for a computer includes apparatuses and methods for providing commands and data between a host computer and a multi-channel modem via a single host-to-modem physical channel using multiple logical channels. The communication system suitably includes a logical channel upon which each modem receives command data. Signals asserted on the logical channel corresponding to commands for a particular physical channel are automatically treated as commands. Signals on noncommand logical channels are processed as data to be transferred. Consequently, each physical channel of the modem may be controlled without requiring an escape sequence.
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