Digital ring control system for digital multiplexer

Details Digital ring control system for digital multiplexer Digital ring control system for digital multiplexer

H - Electricity

04

B

363/10, 379/14

H04B 3/02 (2006.01) H04J 13/00 (2006.01)

Patent

CA 1131816

W. Wurst - 4 DIGITAL RING CONTROL SYSTEM FOR DIGITAL MULTIPLEXER ABSTRACT OF THE DISCLOSURE: A ringing control system which receives ring inputs, detects the type of input, translates the input into digital PCM format for transmission across a digital line such as a multiple channel span line. At the remote end of the line, the PCM signals are reconverted into relay operating data for emitting output signals of types corresponding to the input ringing signals. The ringing signals may be divided ring for either the tip lead or the ring lead and also may be frequency selective, superimposed or coded ringing. The arrangement is designed for use in a digital multiplexer or subscriber loop multiplexer. -1-

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