Digital remote switching unit

Details Digital remote switching unit Digital remote switching unit

1983-11-03

1985-04-02

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04Q 1104

Patent

active

045091684

ABSTRACT:
A remote switching unit which serves a large digital switching system is shown. The remote switching unit is CPU controlled and interconnects local subscribers to the large switching system. Digital spans connect the remote switching unit to the large switching system. A space switching stage provides for switching local traffic (traffic with the remote switching unit) and remote traffic (traffic from or to the large switching system). In addition, the remote switching unit provides an extended switching capacity with connections to smaller switching units.

REFERENCES:
patent: 4178479 (1979-12-01), McDonald et al.
patent: 4399369 (1983-08-01), Simmons et al.
patent: 4480330 (1984-10-01), Magnusson et al.
"GTD-5 EAX-Digital Remote Units" by Puccini et al. in NTG-Fachber (Germany), vol. 73, 1980, pp. 2212-2216.
"GTD-5 EAX A Family of Digital Switches" by Esperseth in GTE Automatic Electric Journal, Sep. 1979, pp. 150-154.
"Adaptation of the GTD-5 EAX for International Applications" by Czarnecki et al. in GTE Automatic Electric Journal, Sep.-Oct. 1981, pp. 156-163.

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