OPTICAL LINE MONITORING SYSTEM USING OTDR

WIPO Patent Application WO/2018/155872

A1

Disclosed in the present invention is an optical line monitoring system comprising: an optical line diagnostic device (100) comprising a WDM (10), which is connected to an optical line (400) connecting an optical line starting part (200) and an optical line ending part (300), an abnormality diagnosis unit (20) for analyzing optical signals from the optical line (400) receive through the WDM (10) to check the state information of the optical line (400), an abnormality location diagnosis unit (30) for identifying an abnormal section or an abnormal point on the optical line (400) by irradiating light on the optical line (400) and analyzing reflected light, when the state information indicates an optical line abnormality diagnosis, and a wireless communication unit (40) for externally transmitting the state information and information on the abnormal section or the abnormal point regarding the optical line; a server (500) for receiving the state information and information on the abnormal section or the abnormal point regarding the optical line and monitoring the state of the optical line; and a mobile (600) for receiving the state of the optical line from the server (500) in real-time.

YU BONG GUK (KR)

PCT/KR2018/002043

August 30, 2018

February 20, 2018

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GCI CO LTD (KR)

G01N21/47; G02B6/293

KR20130126819A	2013-11-21
JP2013134138A	2013-07-08
JP2003511964A	2003-03-25
KR100917163B1	2009-09-15
KR20100009959U	2010-10-11

LEE, Won Young (KR)

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