Procedure for ensuring the operation of signalling channels...

Details Procedure for ensuring the operation of signalling channels... Procedure for ensuring the operation of signalling channels...

2003-08-21

2008-08-05

Hsu, Alpus H (Department: 2619)

Multiplex communications

Fault recovery

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

C370S228000, C370S522000, C379S279000

Reissue Patent

active

RE040451

ABSTRACT:
The present invention relates to a procedure for ensuring the operation of signalling channels in a V5 interface between a local exchange (LE) and an access node (AN). The interface includes at least two links (L), in conjunction with redefinition of the interface composition. Redefinition generally involves making changes in the V5 interface data, such as the location of signalling channels on the links. According to the invention, the operation of protected channels in conjunction with restarting is ensured by starting the protected channels on the channels defined for them in the new composition and on the channels to which they were transferred in conjunction with the protection switch-over.

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A. Gillespie “Interfacing Access Networks to Exchanges: The ETSI V5 Approach”IEEE Telecommunication Conference,vol. 3, pp. 1754-1758, Dec. 1992.
K. Khakzar “V5 Interfaces between Digital Local Exchanges and Access Networks”Frequenz,vol. 48, No. 1-2, pp. 44-50, 1994.
International Search Report for PCT/FI98/00198—Apr. 9, 1998.

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