Telephone communication system and method over local area...

Details Telephone communication system and method over local area... Telephone communication system and method over local area...

H - Electricity

04

L

H04L 12/66 (2006.01) H04L 5/20 (2006.01) H04L 12/28 (2006.01)

Patent

CA 2696658

A method and apparatus for enabling a local area network wiring structure to simultaneously carry digital data and analog telephone signals on the same transmission medium. It is particularly applicable to a network in star topology, in which remote data units (e.g. personal computers) are each connected to a hub through a cable comprising at least two pairs of conductors, providing a data communication path in each direction. Modules at each end of the cable provide a phantom path for telephony (voice band) signals between a telephone near the data set and a PBX, through both conductor pairs in a phantom circuit arrangement. All such communication paths function simultaneously and without mutual interference. The modules comprise simple and inexpensive passive circuit components.

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