Universal communications interface adaptable for a plurality of

Details Universal communications interface adaptable for a plurality of Universal communications interface adaptable for a plurality of

1991-11-12

1993-11-23

Chun, Debra A.

Boots, shoes, and leggings

364DIG1, 364284, 3642844, 364239, G06F 1314, G06F 1516

Patent

active

052649580

ABSTRACT:
The interface subsystem comprises a universal interface card or unit for use with any of a plurality of electrical interface standards, for example, EIA-232-D, and CCITT Recommendations V.35 and X.21. The interface subsystem further comprises a cable selected from a set of cables for use with the particular standard being utilized. The particular cable has preconditioning means so that the signals conforming to the corresponding interface standard are within a voltage-level window suitable for the universal interface unit for processing. The universal interface unit comprises an input/output port for receiving the preconditioned signals having common pins among the interface standards. The preconditioned signals are routed to one or more receivers for converting the signals to TTL level for processing by a communications processor.

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IBM Technical Disclosure Bulletin, vol. 30, No. 11, Apr. 1988, pp. 478-482.

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