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OPTICAL TRANSMISSION DEVICE AND METHOD FOR CHECKING OPTICAL CONNECTION IN OPTICAL TRANSMISSION DEVICE

  • US 20170250752A1
  • Filed: 01/18/2017
  • Published: 08/31/2017
  • Est. Priority Date: 02/29/2016
  • Status: Active Grant
First Claim
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1. An optical transmission device that transmits an optical signal in a specified wavelength band, the optical transmission device comprising:

  • a receiver configured to receive the optical signal;

    a monitor light unit configured to output monitor light of a wavelength allocated outside of the specified wavelength band;

    a wavelength selective switch configured to output the optical signal via a first port and to output the monitor light via a second port; and

    a memory configured to store information that indicates an optical power loss of a route through which the monitor light is transmitted.

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