Optical network system, optical transmission device, and failure occurrence section determination method
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United States of America Patent
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Oct 24, 2017
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app pub date -
Jun 2, 2016
filing date -
Jun 5, 2015
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Abstract
An optical network system includes: a plurality of optical transmission devices, each includes a transmitting unit configured to superimpose, on a main signal to be transmitted, a monitoring signal of a different wavelength from wavelengths of other optical transmission devices, the wavelength differing from wavelengths for other optical transmission devices in the optical network system, and an extraction unit configured to extract monitoring signals from main signals received from the other optical transmission devices, wherein a failure occurrence section where a communication failure occurs is determined, based on the monitoring signals extracted by the extraction unit, among transmission sections between the respective optical transmission devices.
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