Method of growth of a digital switchblock

Details Method of growth of a digital switchblock Method of growth of a digital switchblock

1985-10-04

1986-05-06

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 64, H04Q 1104

Patent

active

045876495

ABSTRACT:
The method of growth of the digital switchblock is for use in telecommunications. The switchblock comprises a plurality of superplanes each including a plurality of central digital switching modules interconnected to a plurality of demultiplexer-mixer-remultiplexer stages; and, a plurality of outer digital switching modules connected to the demultiplexer-mixer-remultiplexer stages on each side of the superplanes. The outer digital switching modules are increased linearly as the number of telecommunication lines is increased from a first order of telecommunication lines. The number of superplanes is increased linearly as the number of telecommunication lines increase from the first order of telecommunication lines to a second order of telecommunication lines and thereafter remain constant as the number of lines increase. The central digital switching modules are increased thereafter in accordance with a square law growth characteristic when the number of lines is increased from the second order of telecommunication lines.

REFERENCES:
patent: 4074077 (1978-02-01), Charransol
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patent: 4201891 (1980-05-01), Lawrence et al.
patent: 4393490 (1983-07-01), Culley
patent: 4397020 (1983-08-01), Howson
patent: 4425640 (1984-01-01), Philip et al.
patent: 4442502 (1984-04-01), Friend et al.

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