Communications system comprising a ring-shaped network which is

Details Communications system comprising a ring-shaped network which is Communications system comprising a ring-shaped network which is

1988-08-11

1990-03-13

Griffin, Robert L.

Multiplex communications

Wide area network

Packet switching

370 60, 370 8512, H04J 302, H04Q 1104

Patent

active

049088246

ABSTRACT:
A ring-shaped network (RN) which is an offering network is inserted into a subscriber line region of a switching equipment (VE). A gate (GWE) is arranged in one (AEI) of the acceptance devices of the respectively accepting n subscriber line equipment (SLM) and signalling and message transmission procedure matching is done in the gateway means. The coupling to the ring-shaped network (RN) occurs through a ring-coupling (RCB) to which a gateway apparatus (GWE) and an external acceptance device (AEE) which contains a matching device (APE) and a plurality of subscriber line equipment (SLM) are connected. The matching device (APE) provides the signalling and information transmission procedure matching. For example, ISDN subscriber equipment (SE) are connected to the subscriber line equipment (SLM) via central office lines (ASL). The communications system is operated, administered and monitored either centrally by the switching equipment (VE) via an operating terminal arranged in the switching equipment (VE) or divided into two network regions, either subscriber line region/switching center or switching eqipment network/ring-shaped network by the switching equipment (VE) and/or by the gateway apparatus (GWE).

REFERENCES:
patent: 4587651 (1986-05-01), Nelson et al.
patent: 4661952 (1987-04-01), von Sichart et al.
patent: 4768190 (1988-08-01), Giancarlo
ANSI/Standard-Prtokoll 802.5 and Siemens-Drendkshrift ISDN in the Office.
2323 Telecom Report (1985) Sonderheft, Bherlin, Deutschland Thomas and Wehrend.

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