Digital loop carrier system with automatic reprovisioning of ded

Details Digital loop carrier system with automatic reprovisioning of ded Digital loop carrier system with automatic reprovisioning of ded

1997-09-29

2000-02-29

Hong, Harry S.

Telephonic communications

Centralized switching system

Switching controlled in response to called station...

34082501, 34082505, 34082516, 340827, 370228, 370244, 370524, 379 26, 379221, 379279, 379333, H04M 308, H04M 700, H04Q 300, H04J 312

Patent

active

060319062

ABSTRACT:
A digital loop carrier system in a communications network that provides automatic restoration of network access for user lines in the event of a failure. The system includes a plurality of user lines and groups of transmission lines interfaced with the user lines. Each group of transmission lines includes dedicated transmission lines which are connected to the user lines, idle transmission lines and reserved transmission lines. The system also includes a reprovisioning monitor that makes a number of transmission lines among the groups of transmission lines available for user lines which have a dedicated transmission line in a group of transmission lines that fails and that couples each of such user lines to a respective available transmission line. The monitor may delay the coupling of such user lines if a sufficient number of transmission lines are not available.

REFERENCES:
patent: 5115425 (1992-05-01), Ardon
patent: 5138657 (1992-08-01), Colton et al.
patent: 5515429 (1996-05-01), Kawada et al.
patent: 5627889 (1997-05-01), Eslambolchi
patent: 5784377 (1998-07-01), Baydar et al.
patent: 5822420 (1998-10-01), Bolon et al.
patent: 5881059 (1999-03-01), Deschaine et al.
patent: 5956343 (1999-09-01), Cornes et al.

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