G - Physics – 06 – F
Patent
G - Physics
06
F
354/235
G06F 3/00 (2006.01) G06F 13/40 (2006.01)
Patent
CA 1092718
INPUT/OUTPUT INTERFACE CONNECTOR CIRCUIT FOR REPOWERING AND ISOLATION Abstract In a data processing system which includes a base central processing unit, channel, and input/output (I/O) interface to which peripheral devices may be attached, a special attachment is disclosed. The attachment made to the base I/O interface includes connector circuitry which is required when the signals on the input/output interface must be repowered to peripheral devices in an expansion input/output unit, power isolation must be provided between a base data processing system and I/O expansion unit, or a remote peripheral device is to be attached to the base data processing system I/O interface. The connector circuit includes logic which responds to the normal I/O interface signals to energize drivers in the connector circuit to achieve repowering of signals on bidirectional signal lines and unidirectional signal lines.
291144
Bouknecht Max A.
Vergari Louis P.
International Business Machines Corporation
Na
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