Dual cable communication system
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United States of America Patent
Stats
-
Sep 25, 1990
Grant Date -
N/A
app pub date -
Mar 30, 1989
filing date -
Mar 30, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus and method for communicating between two or more cable interface units on a local area network such that each cable interface unit supports the International Standard Organization's 802.3 standard with the exception that two communication channels or paths are connected between the cable interface units. Only data is transferred on the first communication channel while a signal indicating usage of the first communication medium is broadcast on the second communication channel. Each cable interface unit on the network monitors the second communication channel while transmitting on the first. If it is determined that two cable interface units are transmitting simultaneously both cable interface units notify their respective communicating devices to cease transmission. Retransmission will be attempted at a later time.
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