One-good-pair operation in dual-pair mode

Details One-good-pair operation in dual-pair mode One-good-pair operation in dual-pair mode

2011-01-04

2011-01-04

Qureshi, Afsar M. (Department: 2472)

Multiplex communications

Fault recovery

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

C370S360000, C370S463000, C714S025000

Reexamination Certificate

active

07864667

ABSTRACT:
A communication system comprising at least one communication unit. Each communication unit includes an interface port, a first-digital-subscriber-line port, a second-digital-subscriber-line port, and a central processing unit. The central processing unit is communicatively coupled to receive information indicative of the operability of the first-digital-subscriber-line port and the second-digital-subscriber-line port. The at least one communication unit is implemented on the physical layer in single-pair mode. The at least one communication unit is configured to switch from sending timeslots in dual-pair mode to sending timeslots in 1+1 protection mode when communication on one of the first-digital-subscriber-line port and the second-digital-subscriber-line port fails.

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patent: 1009154 (2000-06-01), None
International Searching Authority, “International Search Report”, Feb. 19, 2009, Published in: WO.

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