Arrangement for extending digital signaling to telephone...

Details Arrangement for extending digital signaling to telephone... Arrangement for extending digital signaling to telephone...

H - Electricity

04

M

344/25, 379/57

H04M 3/22 (2006.01) H04Q 1/50 (2006.01)

Patent

CA 1176771

TITLE AN ARRANGEMENT FOR-EXTENDING DIGITAL-SIGNALING TO TELEPHONE SUBSCRIBERS' SUBSTATIONS ABSTRACT OF THE DISCLOSURE A centrally located digital multiplexer distributes T1 digital signals between a digital central office and a plurality of subscriber service circuits each located at a corresponding subscriber's premises. The subscriber service circuits provide digital signal- ing and analog line supervision. Analog power supplies and signal generators are connected to the subscriber service units under control of a centrally located microprocessor which communicates with the central office via a dedicated channel in the digital multiplexer.

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