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Patent Searching and Data


Title:
SUBMARINE DEVICE, SUBMARINE DEVICE MONITORING METHOD, AND OPTICAL COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/059703
Kind Code:
A1
Abstract:
Provided are a submarine device, a submarine device monitoring method, and an optical communication system with which, even if a failure occurs, the failure occurrence location can be identified, and information necessary for recovery can be collected. This submarine device is provided with: a processing means for processing an input optical signal and outputting the processed optical signal; a first branching means for causing the optical signal input into the processing means to branch, and for outputting first branched light; a second branching means for causing the optical signal output from the processing means to branch, and for outputting second branched light; a selecting means for selecting and outputting the first branched light and the second branched light; and a monitoring means for monitoring the branched light output from the selecting means.

Inventors:
UGAJIN KAZUSA (JP)
Application Number:
PCT/JP2020/028121
Publication Date:
April 01, 2021
Filing Date:
July 20, 2020
Export Citation:
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Assignee:
NEC CORP (JP)
International Classes:
H04B10/075
Domestic Patent References:
WO2012144585A12012-10-26
WO2018003912A12018-01-04
Foreign References:
JP2017038328A2017-02-16
JP2001186095A2001-07-06
Attorney, Agent or Firm:
SHIMOSAKA Naoki (JP)
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