Arrangement for extending digital signaling to telephone subscri

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

1981-05-07

1983-10-18

Brigance, Gerald L.

Multiplex communications

Wide area network

Packet switching

3701102, 179 84R, H04J 312

Patent

active

044109822

ABSTRACT:
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 signaling 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.

REFERENCES:
patent: 3922493 (1975-11-01), Brenig et al.
patent: 4197432 (1980-04-01), Tiedt
patent: 4232199 (1980-11-01), Boatwright et al.
patent: 4281410 (1981-07-01), Apricola et al.
patent: 4317962 (1982-03-01), Cox et al.
patent: 4345115 (1982-08-01), Sweet
patent: 4354264 (1982-10-01), Wurst

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