Digital switching network

Details Digital switching network Digital switching network

1982-03-22

1984-06-26

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04Q 1104

Patent

active

044569874

ABSTRACT:
The switching network includes in one or more planes MN switching means arranged in M rows and N columns, where M and N are even integers, first intermediate switching devices associated with the M rows and second intermediate switching devices associated with the N columns. Each intermediate switching device associated with a given column is coupled to a different one of the M rows and each intermediate switching group of the second intermediate switching device is coupled to a different one of the N columns. Each of the MN switching means has a first plurality of ports coupled to a plurality of digital terminals, a second plurality of ports associated with a different one of the M rows and a third plurality of ports associated with a different one of the N columns. Each of the first intermediate switching means having a fourth plurality of ports each coupled to a given one of each of the second plurality of ports in an associated one of the M rows and each of the second intermediate switching means having a fourth plurality of ports each coupled to a given one of each of the third plurality of ports in an associated one of the N columns.

REFERENCES:
patent: 4107480 (1978-08-01), Schlichte
patent: 4201889 (1980-05-01), Lawerence et al.
patent: 4201890 (1980-05-01), Lawerence et al.
patent: 4317193 (1982-02-01), Joel, Jr.
J. Terry et al., "DMS-200 Traffic Peripherals", ICC 1978, Jun. 4-7, 1978, pp. 32, 33, 1-6.
P. Richards, "Technological Evolution-The Making of a Survivable Switching System", 3rd World Telec. Forum, Sep. 1979, pp. 1, 2, 6, 1-8.
R. Galimberti et al., "Proteo System: An Overview", CSELT Rapporti Technici, vol. IX, No. 5, Oct. 1981, pp. 501-508.

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