Circuit arrangement for T.D.M. telecommunication exchange system

Details Circuit arrangement for T.D.M. telecommunication exchange system Circuit arrangement for T.D.M. telecommunication exchange system

1982-05-05

1984-08-21

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 68, H04J 300

Patent

active

044674708

ABSTRACT:
Signaling information is transmitted over a signal channel per time-division multiplex and combined into super pulse frames each of which corresponds to the duration of a larger plurality of successive pulse frames, over the time-division multiplex switching matrix serving for the switching of message channels. A first information memory has a turnover cycle corresponding to a pulse frame and serves for the intermediate storage of message sub-information, whereas a second information memory has a turnover cycle corresponding to a super pulse frame and serves for the intermediate storage of signaling sub-information. A common holding memory assigned to both information memories regularly interrupts the read operation of the first information memory for the purpose of inserting a signaling sub-information read from the second information memory.

REFERENCES:
patent: 4207435 (1980-06-01), Okada et al.
patent: 4320501 (1982-03-01), Le Dieu et al.
patent: 4392224 (1983-07-01), Mori et al.
Asmussen et al., "EWSD Digital Switching System," Telcom Report, Siemens Aktiengesellschaft, vol. 4, (1981), Special Issue.
CCITT Sixth Plenary Assembly, Orange Book, vol. III-2, "Line Transmission," International Telecommunication Union, Geneva, 1977, pp. 425-437.

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