CN115136514A - 故障检测设备、故障检测方法和海底缆线系统 - Google Patents

故障检测设备、故障检测方法和海底缆线系统 Download PDF

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Publication number
CN115136514A
CN115136514A CN202180014888.2A CN202180014888A CN115136514A CN 115136514 A CN115136514 A CN 115136514A CN 202180014888 A CN202180014888 A CN 202180014888A CN 115136514 A CN115136514 A CN 115136514A
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CN
China
Prior art keywords
optical
level
optical signal
fault
failure
Prior art date
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Pending
Application number
CN202180014888.2A
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English (en)
Chinese (zh)
Inventor
增田圣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
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NEC Corp
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Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of CN115136514A publication Critical patent/CN115136514A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0771—Fault location on the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0775—Performance monitoring and measurement of transmission parameters

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Security & Cryptography (AREA)
  • Optical Communication System (AREA)
CN202180014888.2A 2020-02-19 2021-02-05 故障检测设备、故障检测方法和海底缆线系统 Pending CN115136514A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-025893 2020-02-19
JP2020025893 2020-02-19
PCT/JP2021/004329 WO2021166686A1 (ja) 2020-02-19 2021-02-05 障害検出装置、障害検出方法及び海底ケーブルシステム

Publications (1)

Publication Number Publication Date
CN115136514A true CN115136514A (zh) 2022-09-30

Family

ID=77392130

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180014888.2A Pending CN115136514A (zh) 2020-02-19 2021-02-05 故障检测设备、故障检测方法和海底缆线系统

Country Status (5)

Country Link
US (1) US11936423B2 (https=)
EP (1) EP4109843B1 (https=)
JP (1) JPWO2021166686A1 (https=)
CN (1) CN115136514A (https=)
WO (1) WO2021166686A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025059276A1 (en) * 2023-09-12 2025-03-20 California Institute Of Technology Optical fiber-based tsunami warning system using submarine telecommunication cables

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0342927A (ja) * 1989-07-10 1991-02-25 Nippon Telegr & Teleph Corp <Ntt> 光増幅中継伝送路の監視方式
CN1674474A (zh) * 2004-03-25 2005-09-28 日立通讯技术株式会社 光传送装置及其控制方法
US20090202237A1 (en) * 2008-02-11 2009-08-13 Tyco Telecommunications (Us) Inc. System and Method for Fault Identification in Optical Communication Systems
US20130129343A1 (en) * 2011-11-23 2013-05-23 Tyco Electronics Subsea Communications Llc System and Method Using Fault Injection into Line Monitoring System Baselines
US20190222307A1 (en) * 2018-01-12 2019-07-18 Subcom, Llc Techniques for parameter reporting of elements in an optical transmission system using high loss loopback (hllb) data and a line monitoring system implementing the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4152125B2 (ja) * 2002-05-30 2008-09-17 富士通株式会社 光信号レベル制御装置
US20040047629A1 (en) * 2002-08-20 2004-03-11 Red Sky Systems, Inc. Adaptor arrangement for detecting faults in an optically amplified multi-span transmission system using a remotely located OTDR
US20040047295A1 (en) * 2002-08-20 2004-03-11 Morreale Jay P. Method and apparatus for providing a common optical line monitoring and service channel over an WDM optical transmission system
JP4782667B2 (ja) * 2006-12-26 2011-09-28 三菱電機株式会社 光受信器
JP2012015736A (ja) 2010-06-30 2012-01-19 Nec Corp 障害検知装置、光伝送装置、および障害検知方法
CN102801464B (zh) * 2011-05-27 2015-03-25 华为海洋网络有限公司 检测海底光缆线路的方法、传送装置和系统
US8417114B1 (en) * 2011-11-18 2013-04-09 Level 3 Communications, Llc Apparatus, system and method for network monitoring
US9002197B2 (en) * 2012-11-14 2015-04-07 Telefonaktiebolaget L M Ericsson (Publ) Sequence-based link fault localization
US10644792B2 (en) * 2018-07-16 2020-05-05 Juniper Networks, Inc. Methods and apparatus for adaptively detecting signal degradation in an optical communication system using the pre-forward error correction bit error rate
US11476930B2 (en) * 2018-08-30 2022-10-18 Nec Corporation Optical time domain reflectometer, method of testing optical transmission line, and test system of optical transmission line
JP6831600B2 (ja) 2019-09-15 2021-02-17 株式会社サンセイアールアンドディ 遊技機

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0342927A (ja) * 1989-07-10 1991-02-25 Nippon Telegr & Teleph Corp <Ntt> 光増幅中継伝送路の監視方式
CN1674474A (zh) * 2004-03-25 2005-09-28 日立通讯技术株式会社 光传送装置及其控制方法
JP2005277842A (ja) * 2004-03-25 2005-10-06 Hitachi Communication Technologies Ltd 光伝送装置およびその制御方法
US20090202237A1 (en) * 2008-02-11 2009-08-13 Tyco Telecommunications (Us) Inc. System and Method for Fault Identification in Optical Communication Systems
US20130129343A1 (en) * 2011-11-23 2013-05-23 Tyco Electronics Subsea Communications Llc System and Method Using Fault Injection into Line Monitoring System Baselines
CN103947136A (zh) * 2011-11-23 2014-07-23 泰科电子海底通信有限责任公司 使用故障注入到线路监测系统基线中的系统和方法
US20190222307A1 (en) * 2018-01-12 2019-07-18 Subcom, Llc Techniques for parameter reporting of elements in an optical transmission system using high loss loopback (hllb) data and a line monitoring system implementing the same

Also Published As

Publication number Publication date
EP4109843A1 (en) 2022-12-28
EP4109843B1 (en) 2025-11-19
US20230060104A1 (en) 2023-02-23
JPWO2021166686A1 (https=) 2021-08-26
US11936423B2 (en) 2024-03-19
WO2021166686A1 (ja) 2021-08-26
EP4109843A4 (en) 2023-08-09

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