Modular block unit for input-output subsystem

Details Modular block unit for input-output subsystem Modular block unit for input-output subsystem

G - Physics

06

F

340/85

G06F 15/16 (2006.01) G06F 13/38 (2006.01)

Patent

CA 1116262

MODULAR BLOCK UNIT FOR INPUT-OUTPUT SUBSYSTEM Abstract of the Disclosure A modular interface unit to serve as a building block in the framework of an Input-Output Subsystem of a digital data processing system. The unit, designated as a base Module, manages a group of Intelligent I/O Interface Control units (Line Control Processors) and provides a Base module distribution-control interface called a Distribution Card unit. A group of Line Control Processors have a common set of backplane connections to the distribution-control means and to a maintenance unit and termination control unit. The maintenance unit permits the exercising and diagnosis of any selected Line Control Processor on the Base Module. The termination control unit provides clocking and control functions for all of the Line Control Processors within the Base Module unit. The base Module unit provides a building block by which a central processing unit of a digital data processing system may be expanded to handle a large number of peripheral devices with simplicity and reliability.

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