Multiplex communications – Wide area network – Packet switching
Patent
1984-02-13
1985-12-24
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 85, 370 86, 370 88, H04J 116, H04J 314, H04J 302, H04J 300
Patent
active
045610886
ABSTRACT:
A data bus system having enhanced survivability includes a plurality of serially connected active terminals which may be configured in a user access mode to service users coupled thereto or a diagnostic mode during which the terminals undertake an analysis of the condition of the system and a determination is made of the optimum available system configuration. Complementary redundant transmission paths extend between each terminal and the terminal adjacent together with a bypass transmission path which couples each terminal with the terminal beyond the adjacent terminal. The bypass paths in conjunction with the complementary transmission paths operate to allow a greater number of faults to occur in the transmission paths without bus degradation.
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Champlin Keith S.
Kar Pradip C.
Chin Wellington
FMC Corporation
Megley R. B.
Olms Douglas W.
Stanley H. M.
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