Multi-stage link switch

Details Multi-stage link switch Multi-stage link switch

1992-10-13

1994-02-08

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

3408258, H04L 1256

Patent

active

052854442

ABSTRACT:
A multi-stage link switch includes first, second and third switch elements, each of the first, second and third switch elements having a predetermined plurality of incoming terminals and a predetermined plurality of outgoing terminals. Communication information is switched between a plurality of incoming highways and a plurality of outgoing highways based on information in each of a plurality of cells. Each cell has fixed length and is transmitted by each of the incoming highways to the plurality of outgoing highways. The multi-stage link switch includes a primary stage including a plurality of the first switch elements, each input terminal of each first switch element is connected to a corresponding one of the input highways, an intermediate stage including a plurality of the second switch elements, each input terminal of each of the second switch elements is being connected to a corresponding one of the output terminals of a corresponding one of the first switch elements of the primary stage, and a last stage including a plurality of the third switch elements, each input terminal of each of the third switch elements being connected to a corresponding one of the output terminals of a corresponding one of the second switch elements in the intermediate stage. Each outgoing terminal of each of the third switch elements is connected to a corresponding one of the outgoing highways.

REFERENCES:
patent: 4907220 (1990-03-01), Rau et al.
patent: 4965788 (1990-10-01), Newman
patent: 4969149 (1990-11-01), Killar et al.
patent: 4970505 (1990-11-01), Hirata et al.
patent: 4993018 (1991-02-01), Hajikano et al.

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