Signaling channel data transmitting/receiving circuit of a prima

Details Signaling channel data transmitting/receiving circuit of a prima Signaling channel data transmitting/receiving circuit of a prima

1993-11-26

1995-08-29

Marcelo, Melvin

Multiplex communications

Wide area network

Packet switching

370 84, 3701101, H04J 312

Patent

active

054467314

ABSTRACT:
A signaling transmitting/receiving circuit between a primary multiplexer used in an ISDN and an ISDN switching system is disclosed. The signaling transmitting/receiving circuit comprises a frame arrangement unit connected between a transmission line of the primary multiplexer and a thirty-two channel PCM-highway for arranging data within a frame from thirty-two channel data to twenty-four channel data or from twenty-four channel data to thirty-two channel data; a signaling data insertion/extraction circuit having time slot registers accessible to at least one channel data and connected to the frame arrangement unit, for inserting/extracting data having a time slot width and a channel data rate according to mode assignment into/from the time slot of the PCM-highway corresponding to time slot assigning data stored in the time slot registers in response to signaling control data. The signaling data insertion/extraction circuit is used to either insert signaling data into signaling channel of the PCM-highway, or extract signaling data loaded on channel, in dependence upon the time slot assignment data and signaling control data supplied from a control circuit.

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