PCM switching system for wide and narrow band signals

Details PCM switching system for wide and narrow band signals PCM switching system for wide and narrow band signals

1978-12-29

1981-03-17

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

179 18E, 370 84, H04Q 1104

Patent

active

042571197

ABSTRACT:
A common control telecommunications switching system capable of efficiently handling both narrow band and wide band information. The system uses a hybrid digital network having a time division section for switching narrow band signals and a space division section for switching wide band signals. Both networks include connection memories accessible by the central processor for writing connections therein to set up or take down communication paths between selected access ports.

REFERENCES:
patent: 3585306 (1971-06-01), Battocletti et al.
patent: 3889067 (1975-06-01), Reed et al.
patent: 3922497 (1975-11-01), Artom et al.
patent: 3979733 (1976-09-01), Fraser
patent: 4136263 (1979-01-01), Williams
patent: 4143242 (1979-03-01), Horiki

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