Digital link for telephone station sets

Details Digital link for telephone station sets Digital link for telephone station sets

H - Electricity

04

M

363/16

H04M 3/00 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 1232379

ABSTRACT OF THE DISCLOSURE A pair of integrated circuits are described which provide a digital link between a branch exchange and a voice and data channel using an ordinary twisted pair. The downlink circuit permits coupling to a serial asynchronous port of different protocol than that used over the link and for instance, this port may be coupled to a keyboard, display or data terminal.

483996

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