Network protection architecture

Details Network protection architecture Network protection architecture

H - Electricity

04

L

H04L 12/437 (2006.01) H04J 3/08 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2348205

A network protection architecture including a top ring with an I/O Node A having a transmit tributary TT A and a receive tributary RT A, a top down west working channel WC AB, a bottom up west working channel WC BA, a top down east protection channel PC AC, a bottom up east protection channel PC CA, and interconnection nodes B and C; a bottom ring with an I/O Node Z having a transmit tributary TT Z and a receive tributary RT Z, a top down west working channel WC DZ, a bottom up west working channel WC ZD, a top down east protection channel PC EZ, a bottom up east protection channel PC ZE, and interconnection nodes D and E. The nodes B and D has a receive line RL BD and a transmit line TL DB bridging thereacross. The nodes C and E has a receive line RL CE and a transmit line TL EC bridging thereacross. Switches S1- S8 are provided.

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