System which achieves efficient utilization of buses for selecti

Details System which achieves efficient utilization of buses for selecti System which achieves efficient utilization of buses for selecti

1994-03-31

1995-06-06

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 859, 370 8513, H04L 1242

Patent

active

054228867

ABSTRACT:
A system for selectively interconnecting a plurality of communication lines, each of which is adapted for transmitting communication signals, includes a plurality of port buses connected to the communication lines through a plurality of interface circuits and to a loop bus through a plurality of switching units. The loop bus forms a loop shape. The communication signals are supplied to the loop bus through one of the port buses and circulate as a loop bus signal along the loop bus. Each of switching units distributes the loop bus signals between the another one of the part buses and the loop bus. On the other one of the port buses, the loop bus signals are sent as the communication signals.

REFERENCES:
patent: 4393497 (1983-07-01), Cantwell, Jr.
patent: 4445213 (1984-04-01), Baugh et al.
patent: 4536873 (1985-08-01), Leete
patent: 4601029 (1986-07-01), Hargrave et al.

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