FDDI concentrator with backplane port for dual datapath systems

Details FDDI concentrator with backplane port for dual datapath systems FDDI concentrator with backplane port for dual datapath systems

1992-07-30

1995-05-30

Ray, Gopal C.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

395200, 34082505, 370 855, 36424294, 36424296, 3642844, 3642419, 364238, 3642418, 364DIG1, H04L 1242, G06F 1312

Patent

active

054209862

ABSTRACT:
A concentrator which is used alone or in conjunction with one or more identical concentrators provides a set of externally configurable datapaths for connecting other devices connected to a backplane with primary and/or secondary rings in a token ring network. The concentrator includes a controller, a plurality of multiplexers and several front panel and backplane ports, each of which is configurable as an A, B, M or S port. The concentrator includes an internal token ring chain of one or more front panel ports for connecting other devices to the rings.

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