Shared lines equipment, especially for B-ISDN switching system

Multiplex communications – Wide area network – Packet switching

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370 851, H04Q 1100

Patent

active

048688126

ABSTRACT:
Large-scale time-division switching arrangements often consist of a central switching network and a series of so-called concentrators. For establishing an H1 switching a series of wideband concentrators are connected to a central wideband switching network if the wideband concentrators are of a modular structure and communicate through an internal bus system and an interface circuit with the central wideband switching network connected thereto, a distribution switching in the direction of the subscriber station and a testing of the concentrators while in operation can be effected in a simple way.

REFERENCES:
patent: 3728492 (1973-04-01), Cappetti et al.
patent: 4320501 (1982-03-01), LeDieu et al.
patent: 4559624 (1985-12-01), Roos et al.
patent: 4594704 (1986-06-01), Ollivier
H. Petasch, "Modular aufgebaute digitale Vermittlungszentrale mit verteilter Steuerung", Nachrichtentech., Elecktron., Berlin 35(1985)2, pp. 43-44.
Th. Krol, "The (4,2) Concept Fault-Tolerant Computer", Philips Technical Review, vol. 41, 1983/84, No. 1, pp. 1-11.

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