1-for-N redundancy implementation on midplane

Details 1-for-N redundancy implementation on midplane 1-for-N redundancy implementation on midplane

1995-12-22

1998-08-04

Hsu, Alpus H.

Multiplex communications

Fault recovery

Bypass an inoperative switch or inoperative element of a...

370360, H04Q 120

Patent

active

057905185

ABSTRACT:
In a switching network, a single 16 slot protective chassis supports a plurality of different adaptation switch modules (ASMs) sharing a single midplane bus. Multiple, identical ASMs form redundancy groups wherein one module in a group operates as a backup. Each ASM has relays for isolation between ASMs, and repeater circuitry to strengthen signals and minimize signal interference.

REFERENCES:
patent: 4594704 (1986-06-01), Ollivier
patent: 4700348 (1987-10-01), Ise et al.
patent: 4984240 (1991-01-01), Keren-Zvi et al.
patent: 5016244 (1991-05-01), Massey, Jr. et al.
patent: 5345438 (1994-09-01), Ozaki
patent: 5602828 (1997-02-01), Engdahl et al.

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