Hitless switching system and transmission apparatus

Details Hitless switching system and transmission apparatus Hitless switching system and transmission apparatus

H - Electricity

04

L

H04L 12/02 (2006.01) H04B 1/74 (2006.01) H04J 3/06 (2006.01) H04J 3/14 (2006.01) H04L 1/22 (2006.01) H04L 5/20 (2006.01)

Patent

CA 2420151

A hitless switching system includes a sending apparatus and a receiving apparatus. The sending apparatus includes: a distributing part for dividing an original signal into a plurality of signals; and a transmitting part for transmitting the divided signals over one or a plurality of transmission lines with redundancy. The receiving apparatus includes: a phase difference detection part for detecting phase differences between signals sent from the sending apparatus; a phase difference absorbing part for absorbing phase differences detected by the phase difference detection part; selectors each of which selects one signal from a plurality of signals; and a restoring part for restoring the original signal from the signals output from the selectors.

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