Multiplex communications – Wide area network – Packet switching
Patent
1990-12-20
1992-07-21
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 15, 371 112, 371 206, G06F 1120, H04J 314, H04L 1226
Patent
active
051329620
ABSTRACT:
A multiport access and reconfiguration unit for use in a dual token ring network is provided with three adapters which in the presence of an internal fault establishes an isolated token ring which includes one of the adapters and the associated ports, to test and bypass the fault and operate the reconfigured ring with the other two adapters.
REFERENCES:
patent: 4709365 (1987-11-01), Beale et al.
patent: 4710915 (1987-12-01), Kitahara
Hobgood Robert B.
Smith Jay L.
Trubey Bradley S.
Walker Anthony D.
Cockburn Joscelyn G.
International Business Machines - Corporation
Jung Min
Olms Douglas W.
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