Peripheral control for a digital telephone system

Details Peripheral control for a digital telephone system Peripheral control for a digital telephone system

H - Electricity

04

Q

344/25

H04Q 11/04 (2006.01)

Patent

CA 1203876

ABSTRACT This invention relates to a peripheral control unit for a digital switching system. It utilizes a peripheral control network formed of combination time and space division switches which communicate with peripheral cards using a number of time divided lines (channels of which correspond to peripheral units), and communication with the main system central control using a parallel bus connected to a controller and a transceiver, which is connected to the system control via serial time divided lines. In this manner a very few number of wires is required to be connected to the peripheral cards, while allowing selectively simple communication structure and high reliabiity.

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