Importance

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Abstract

The present invention relates to a signal switching method and apparatus for dividing signals to be switched into a plurality of divided signals and outputting the divided signals at a transmittal terminal, receiving the plurality of divided signals as a plurality of receiving signals at a reception terminal, and executing a switching to a signal closer to normality out of the plurality of receiving signals, wherein with respect to a through signal not to be dropped, the through signal is processed in a closed manner within one package or LSI, only a signal to be dropped is transferred to a package or LSI on a dropped side, the switching is executed, and with respect to a signal to be added, at a backboard a signal from a package or LSI on a added side is divided and sent to another route.

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First Claim