Method and system for rehoming a digital subscriber line...

Details Method and system for rehoming a digital subscriber line... Method and system for rehoming a digital subscriber line...

2007-09-25

2007-09-25

To, Doris H. (Department: 2616)

Multiplex communications

Fault recovery

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

C370S248000, C370S249000, C370S254000

Reexamination Certificate

active

10157877

ABSTRACT:
A method and system are provided for rehoming a digital subscriber line access multiplexer between a first data switch and a second data switch or ports on a single data switch. An extension permanent virtual circuit is established between the first data switch and the second data switch and a physical loop-back circuit is established at the second data switch for routing data from an output port of the second data switch to a temporary input port. A permanent virtual circuit between a data switch servicing a network service provider and the first data switch is removed, and a permanent virtual circuit between the data switch servicing the network service provider and the second data switch is established. Data is then routed between the network service provider and the digital subscriber line access multiplexer via the permanent virtual circuit between the data switch servicing the network service provider and the second data switch, the physical loop-back circuit, and the extension permanent virtual circuit.

REFERENCES:
patent: 5459606 (1995-10-01), Baranyai et al.
patent: 5559877 (1996-09-01), Ash et al.
patent: 6529479 (2003-03-01), Suzuki
patent: 2001/0017842 (2001-08-01), Ito

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