Method and apparatus for bypassing a payload node

Details Method and apparatus for bypassing a payload node Method and apparatus for bypassing a payload node

2006-01-03

2006-01-03

Nguyen, Steven (Department: 2665)

Multiplex communications

Fault recovery

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

C370S221000, C370S225000, C370S351000

Reexamination Certificate

active

06982952

ABSTRACT:
A multi-service platform system (100) includes a rear transition module (102) coupled to receive a DSX signal (105) and a payload node (104) coupled to the rear transition module via a backplane (110), where the payload node is coupled to process the DSX signal. A secondary payload node (114) is coupled to secondary rear transition module (112) via the backplane. A protection bus (150) couples the rear transition module to the secondary rear transition module outside the backplane, where failure of the payload node operates to shunt the DSX signal through the rear transition module to the secondary rear transition module. Failure of the payload node operates to switch processing of the DSX signal from the payload node to the secondary payload node, and the secondary rear transition module independently controls shunting of the DSX signal through the rear transition module to the secondary rear transition module.

REFERENCES:
patent: 5440540 (1995-08-01), Kremer
patent: 5521903 (1996-05-01), English et al.
patent: 6091714 (2000-07-01), Sensel et al.
patent: 6275510 (2001-08-01), Koenig et al.

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