H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/16
H04J 3/02 (2006.01)
Patent
CA 1255401
REMOTE MULTIPLEXER FOR DIGITAL TELEPHONE SYSTEM ABSTRACT A multiplexer for use in a telephone system in which a plurality of subscriber locations are connected to a central office by a single subscriber loop is described. The multiplexer unit of the invention includes a voice interfacing circuit for converting between voice encoded digital signals and analog signals for operatively connecting to at least one subscriber voice communication apparatus. Data interfacing circuits are provided for routing data encoded digital signals to at least one subscriber digital communication apparatus. A frame processor is connected to each of the voice interfacing circuits and the data interfacing circuits for assembling and disassembling frames of voice encoded digital signals and data encoded digital signals. A transceiver is connected to the frame processor for transmitting to and receiving from a central office frames of voice encoded and data encoded digital signals. A utility processor is connected to the voice interfacing circuits, the digital interfacing circuits, the frame processor, and the transceiver for controlling those elements in accordance with control and status data encoded digital signals received by the transceiver from the central office, and for producing control and status data encoded digital signals for transmission by the transceiver to the central office.
521394
Carse Gregg D.
Daines Bernard N.
Macrae & Co.
Pacific Bell
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