Multi-topology network communication link interface

Multiplex communications – Channel assignment techniques – Polling

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370452, 370403, H04L 12403, H04L 1228

Patent

active

059463210

ABSTRACT:
A communication interface 122 for a network having a plurality of nodes 100-108 and a communication link 124,126 (120) connected between predetermined ones of the nodes 100-108 which propagates bus data, includes a first shared communication circuit 128, to be connected in series with the link 124,126, which receives the bus data and passes shared data along the link 124,126, a second shared communication circuit 136,142, connected to one port 129 of the circuit 128, which receives the bus data from the link 124,126 and passes the shared data, and which receives the shared data and couples the shared data onto the link 126, a first unshared communication circuit 144,148, connected to the port 129 of the circuit 128, which receives the bus data from the link 126 and passes the unshared data, and which receives the shared data and couples the unshared data onto the link 126, a second unshared communication circuit 130,134, connected to another port 127 of the circuit 128, which receives the bus data from the link 124 and passes the unshared data, and which provides unshared data onto the link 124, and the first shared communication circuit 136 not passing the unshared data.

REFERENCES:
patent: 4596011 (1986-06-01), Kobayashi
patent: 4789982 (1988-12-01), Coden
patent: 4803485 (1989-02-01), Rypinski
patent: 5422885 (1995-06-01), Nadkarani
patent: 5576702 (1996-11-01), Samoylenko
patent: 5642351 (1997-06-01), Baran

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