Multiplex communications – Wide area network – Packet switching
Patent
1982-05-03
1984-09-11
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 66, H04J 302
Patent
active
044714793
ABSTRACT:
In a circuit arrangement for time-division multiplex telecommunication systems, the signaling information transmitted over a signal channel per time-division multiplex and combined in super pulse frames is switched over the time-division multiplex switching matrix serving for the switching of message channels. Two holding memories are assigned to an information memory. One of the holding memories serves for the switching of message information and operates with a circulation cycle corresponding to a pulse frame. The other holding memory serves for switching of the signaling information and operates with a cycle corresponding to a super pulse frame. The second holding memory is advanced with each full cycle of the first holding memory.
REFERENCES:
patent: 4207435 (1980-06-01), Okada et al.
patent: 4320501 (1982-03-01), Le Diev et al.
patent: 4392224 (1983-07-01), Mori et al.
"EWSD Digital Switching System", Telcom Report, vol. 4, 1981, Special Issue, Siemens AG, Munich.
"Line Transmission", CCITT Orange Book, vol III-2, International Telecommunication Union, Geneva, 1981, pp. 425-437.
Olms Douglas W.
Rokoff Kenneth I.
Siemens Aktiengesellschaft
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