Protection switching of interface cards in communication system

Details Protection switching of interface cards in communication system Protection switching of interface cards in communication system

H - Electricity

04

L

H04L 12/50 (2006.01) G08B 5/36 (2006.01) H04L 29/14 (2006.01) H04M 3/00 (2006.01) H04M 3/12 (2006.01) H04M 3/18 (2006.01)

Patent

CA 2425080

ABSTRACT A communication system includes primary and secondary interface cards. A switching circuit allows both of the interface cards to selectively communicate over a medium without inducing reflection. Further, an automatic detection system is provided to allow a management circuit to identify which interface card is coupled as the primary or secondary card.

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