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FR2699352B1 - Ensemble et procede de surveillance d'un systeme de transmissions optiques. - Google Patents

Ensemble et procede de surveillance d'un systeme de transmissions optiques.

Info

Publication number
FR2699352B1
FR2699352B1 FR9315000A FR9315000A FR2699352B1 FR 2699352 B1 FR2699352 B1 FR 2699352B1 FR 9315000 A FR9315000 A FR 9315000A FR 9315000 A FR9315000 A FR 9315000A FR 2699352 B1 FR2699352 B1 FR 2699352B1
Authority
FR
France
Prior art keywords
optical transmission
transmission system
monitoring
assembly
amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9315000A
Other languages
English (en)
Other versions
FR2699352A1 (fr
Inventor
Hirst Ian Johnson
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB929226136A external-priority patent/GB9226136D0/en
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of FR2699352A1 publication Critical patent/FR2699352A1/fr
Application granted granted Critical
Publication of FR2699352B1 publication Critical patent/FR2699352B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B10/03—Arrangements for fault recovery
    • H04B10/035—Arrangements for fault recovery using loopbacks
    • 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
    • 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
    • H04B10/0777—Monitoring line amplifier or line repeater equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR9315000A 1992-12-15 1993-12-14 Ensemble et procede de surveillance d'un systeme de transmissions optiques. Expired - Fee Related FR2699352B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929226136A GB9226136D0 (en) 1992-12-15 1992-12-15 Optical transmission system
GB9308099A GB2273623B (en) 1992-12-15 1993-04-20 Optical transmission system

Publications (2)

Publication Number Publication Date
FR2699352A1 FR2699352A1 (fr) 1994-06-17
FR2699352B1 true FR2699352B1 (fr) 1995-10-06

Family

ID=26302161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9315000A Expired - Fee Related FR2699352B1 (fr) 1992-12-15 1993-12-14 Ensemble et procede de surveillance d'un systeme de transmissions optiques.

Country Status (4)

Country Link
US (1) US5436746A (fr)
JP (1) JPH06268598A (fr)
FR (1) FR2699352B1 (fr)
GB (1) GB2273623B (fr)

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* Cited by examiner, † Cited by third party
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JP3373283B2 (ja) * 1994-02-25 2003-02-04 富士通株式会社 光増幅中継器
JP3611631B2 (ja) * 1995-03-20 2005-01-19 Ｋｄｄｉ株式会社 線路監視方法および線路監視装置
JPH09153862A (ja) * 1995-11-30 1997-06-10 Kokusai Denshin Denwa Co Ltd <Kdd> 光増幅中継伝送システムの監視方法
GB9526185D0 (en) * 1995-12-21 1996-02-21 Stc Submarine Systems Ltd Fiber-break detection in bi-directional optical amplifier systems
US5926263A (en) * 1996-10-10 1999-07-20 Tyco Submarine Systems Ltd. Side-tone OTDR for in-service optical cable monitoring
US6025949A (en) * 1997-06-10 2000-02-15 Tyco Submarine Systems Ltd. Line monitoring of an optical transmission system using pilot signals
US6211985B1 (en) * 1997-08-08 2001-04-03 Tyco Submarine Systems Ltd. Remote monitoring of an optical transmission system using line monitoring signals
JP2000091993A (ja) * 1998-07-17 2000-03-31 Kokusai Electric Co Ltd アナログ光伝送システム
US6708004B1 (en) * 1998-12-01 2004-03-16 Tyco Telecommunications (Us) Inc. Method and apparatus for reducing crosstalk between a monitoring channel and a data channel in a WDM optical communication system
US6721508B1 (en) 1998-12-14 2004-04-13 Tellabs Operations Inc. Optical line terminal arrangement, apparatus and methods
US7181138B1 (en) 1998-12-14 2007-02-20 Tellabs Operations, Inc. Optical network connection test apparatus and methods
JP3942297B2 (ja) * 1999-01-06 2007-07-11 株式会社アドバンテスト 光伝達特性測定方法およびこの方法を実施する装置
DE19909565A1 (de) * 1999-03-04 2000-10-05 Siemens Ag Verfahren zur Überwachung des Betriebes von optischen Fasern
US6265971B1 (en) 1999-04-09 2001-07-24 Simplex Time Recorder Company Fiber-sync communications channel
EP1148665A3 (fr) * 2000-04-20 2004-12-29 Siemens Aktiengesellschaft Procédé de supervision du fonctionnement de fibres optiques conductrices
US7198924B2 (en) 2000-12-11 2007-04-03 Invitrogen Corporation Methods and compositions for synthesis of nucleic acid molecules using multiple recognition sites
US8750702B1 (en) * 2002-06-21 2014-06-10 Rockstar Consortium Us Lp Passive optical loopback
US7099581B2 (en) * 2002-08-20 2006-08-29 Red Sky Subsea Ltd. OTDR arrangement for detecting faults in an optical transmission system on a span by span basis
EP1697534B1 (fr) 2003-12-01 2010-06-02 Life Technologies Corporation Molecule d'acide nucleique contenant des sites de recombinaison et leurs procedes d'utilisation
US7561611B2 (en) * 2005-02-03 2009-07-14 Corning Incorporated Extended-lifetime elements for excimer lasers
JP4697883B2 (ja) * 2006-07-14 2011-06-08 Ｋｄｄｉ株式会社 リンク接続性確認方法
US8135274B2 (en) 2008-02-11 2012-03-13 Tyco Electronics Subsea Communications Llc System and method for fault identification in optical communication systems
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
DE202012004728U1 (de) * 2012-05-10 2013-08-13 Mic Ag Datenkommunikationsvorrichtung
WO2018210470A1 (fr) * 2017-05-17 2018-11-22 Alcatel Lucent Utilisation de filtres passe-bande dans des trajets de signaux de supervision d'un système de transport optique
CN108390718B (zh) * 2018-02-08 2019-08-06 武汉邮电科学研究院有限公司 光纤通信系统中光信噪比的测量装置及方法
EP3696997B1 (fr) 2019-02-15 2022-06-15 Alcatel Submarine Networks Circuit optique de surveillance symétrique pour un répétiteur optique bidirectionnel

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967283A (en) * 1974-02-13 1976-06-29 Automation Industries, Inc. Large area motion sensor
NL8200002A (nl) * 1982-01-04 1983-08-01 Philips Nv Foutlocalisatie-inrichting voor digitaal optische transmissiesysteem.
DE3224998A1 (de) * 1982-07-03 1984-01-05 Philips Kommunikations Industrie AG, 8500 Nürnberg Einrichtung fuer die fehlerortung in einem optischen nachrichtenuebertragungssystem
SE458328B (sv) * 1987-07-16 1989-03-13 Ericsson Telefon Ab L M Anordning foer fellokalisering i en dubbelriktad optisk linjelaenk
JPH0313018A (ja) * 1989-06-12 1991-01-22 Nippon Telegr & Teleph Corp <Ntt> 光直接増幅中継伝送路の監視方式
JP2719654B2 (ja) * 1989-07-10 1998-02-25 日本電信電話株式会社 光増幅中継伝送路の監視方式
JPH0358037A (ja) * 1989-07-27 1991-03-13 Canon Inc マルチ調光カメラ
US5212713A (en) * 1989-08-09 1993-05-18 Tasman Cable Company Fault location arrangement for digital transmission systems
JPH0834454B2 (ja) * 1990-03-01 1996-03-29 国際電信電話株式会社 光中継器の監視方式
GB2251148B (en) * 1990-09-18 1995-04-12 Fujitsu Ltd Optical repeater having loop-back function
JPH04137833A (ja) * 1990-09-28 1992-05-12 Fujitsu Ltd 光中継システム
CA2068926C (fr) * 1991-09-03 1997-08-26 Cleo D. Anderson Dispositif de detection de defauts dans un systeme optique
JP2968394B2 (ja) * 1992-06-10 1999-10-25 ケイディディ株式会社 光中継システムの監視方法および折り返し回路並びに送受信回路

Also Published As

Publication number Publication date
US5436746A (en) 1995-07-25
GB9308099D0 (en) 1993-06-02
FR2699352A1 (fr) 1994-06-17
GB2273623A (en) 1994-06-22
JPH06268598A (ja) 1994-09-22
GB2273623B (en) 1996-12-04

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20110831