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OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION SYSTEM, AND OPTCIAL TRANSMISSION METHOD

  • US 20150280854A1
  • Filed: 04/23/2014
  • Published: 10/01/2015
  • Est. Priority Date: 05/01/2013
  • Status: Abandoned Application
First Claim
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1. An optical transmission apparatus comprising:

  • a frame demultiplexer configured to demultiplex a frame signal; and

    a transmission process unit configured to modulate the frame signal demultiplexed by the frame demultiplexer to a plurality of subcarrier signals of different wavelengths and transmit the plurality of subcarrier signals,wherein the transmission process unit switches the subcarrier signal that is one of the plurality of subcarrier signals and at which a failure is detected to a subcarrier signal of a backup wavelength different from wavelengths of the plurality of subcarrier signals.

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