Importance

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Abstract

A high-speed communications system which permits high-speed communication services to be implemented with minimum modification to the existing communications facilities. A multiplexer/demultiplexer unit multiplexes outgoing signals to a network and demultiplexes incoming signals from the network separately for voice and data signals. A first voice processing unit, being linked to a voice service subscriber who only uses voice communication services, processes voice signals for bidirectional communications over a subscriber line. A second voice processing unit, being linked to a voice/data service subscriber who uses both voice and data communication services, processes voice signals for bidirectional communication. An office-side modem unit has modulator/demodulator functions to support high-speed bidirectional data communication for the voice/data service subscriber. An office-side splitter splits incoming signals from the voice/data service subscriber into separate voice and data signals. A subscriber-side splitter, coupled to the office-side splitter through the subscriber line, separates the voice signals and the data signals. A subscriber-side modem unit processes data signals to support high-speed bidirectional data communication.

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First Claim