DE69231406T2 - Net mit Leitungsüberwachungssystem - Google Patents

Net mit Leitungsüberwachungssystem

Info

Publication number
DE69231406T2
DE69231406T2 DE69231406T DE69231406T DE69231406T2 DE 69231406 T2 DE69231406 T2 DE 69231406T2 DE 69231406 T DE69231406 T DE 69231406T DE 69231406 T DE69231406 T DE 69231406T DE 69231406 T2 DE69231406 T2 DE 69231406T2
Authority
DE
Germany
Prior art keywords
net
monitoring system
line monitoring
line
monitoring
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
DE69231406T
Other languages
English (en)
Other versions
DE69231406D1 (de
Inventor
Wynford Faulkner
William Ballance
Eric Clarke
Anthony Hale
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of DE69231406D1 publication Critical patent/DE69231406D1/de
Application granted granted Critical
Publication of DE69231406T2 publication Critical patent/DE69231406T2/de
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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69231406T 1991-10-04 1992-10-01 Net mit Leitungsüberwachungssystem Expired - Fee Related DE69231406T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919121226A GB9121226D0 (en) 1991-10-04 1991-10-04 Monitoring system
PCT/GB1992/001807 WO1993007687A1 (en) 1991-10-04 1992-10-01 Network with line monitoring system

Publications (2)

Publication Number Publication Date
DE69231406D1 DE69231406D1 (de) 2000-10-05
DE69231406T2 true DE69231406T2 (de) 2001-03-29

Family

ID=10702513

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69231406T Expired - Fee Related DE69231406T2 (de) 1991-10-04 1992-10-01 Net mit Leitungsüberwachungssystem

Country Status (9)

Country Link
US (1) US5453865A (de)
EP (1) EP0606330B1 (de)
JP (1) JP3281378B2 (de)
CA (1) CA2114729C (de)
DE (1) DE69231406T2 (de)
ES (1) ES2151493T3 (de)
GB (1) GB9121226D0 (de)
SG (1) SG48932A1 (de)
WO (1) WO1993007687A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1007429A3 (nl) * 1993-08-02 1995-06-13 Philips Electronics Nv Coherentie multiplex transmissiesysteem.
GB2292495B (en) * 1994-08-17 1998-03-25 Northern Telecom Ltd Fault location in optical communication systems
FR2769154B1 (fr) * 1997-09-30 1999-12-03 Thomson Csf Dispositif de synchronisation precise
US6687632B1 (en) 1998-01-23 2004-02-03 Trilithic, Inc. Testing of CATV systems
AU2338099A (en) * 1998-01-23 1999-08-09 Trilithic, Inc. Testing of catv systems
US6323981B1 (en) * 1998-10-29 2001-11-27 Tycom (Us) Inc. Method and apparatus for detecting intermittent faults in an optical communication system
JP3440886B2 (ja) * 1999-06-16 2003-08-25 日本電気株式会社 波長多重光伝送システム
CA2356068C (en) * 2000-09-30 2010-12-07 Fluke Networks, Inc. Network test instrument
DE10307542A1 (de) * 2002-11-27 2004-06-17 Fibotec Fiberoptics Gmbh Verfahren und Anordnung zur Ermittlung von Verluststellen in optischen Fasern
FR2872655A1 (fr) * 2004-07-01 2006-01-06 France Telecom Reseau privatif multiservices et modules d'interface permettant de vehiculer, sur un tel reseau, des donnees sous differents formats
US7493040B1 (en) * 2004-07-15 2009-02-17 Nortel Networks Limited Method and apparatus for securing fiber in an optical network
EP1794904A1 (de) * 2004-09-30 2007-06-13 British Telecommunications Public Limited Company Identifizieren oder lokalisieren von wellenleitern
CN100573125C (zh) * 2005-12-28 2009-12-23 富准精密工业(深圳)有限公司 热管性能检测装置
US8045143B2 (en) * 2006-10-23 2011-10-25 The Boeing Company Optical phase domain reflectometer
US8452148B2 (en) 2008-08-29 2013-05-28 Corning Cable Systems Llc Independently translatable modules and fiber optic equipment trays in fiber optic equipment
DK2443497T3 (da) 2009-06-19 2020-06-02 Corning Optical Communications LLC Fiberoptikapparat med høj density og båndbredde
EP2273708B1 (de) * 2009-06-30 2013-06-05 Alcatel Lucent System und Verfahren zur Übertragung optischer Signale
US9519118B2 (en) 2010-04-30 2016-12-13 Corning Optical Communications LLC Removable fiber management sections for fiber optic housings, and related components and methods
CN103380391B (zh) 2011-02-02 2016-04-13 康宁光缆系统有限责任公司 适用于建立光学连接至设置在设备机架中的信息处理模组的光学底板延伸模组以及相关总成
EP3051722A1 (de) * 2015-02-02 2016-08-03 Alcatel Lucent Optischer Regenerator, optischer Sender-Empfänger und zugehöriges optisches Regenerationssystem

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8727846D0 (en) * 1987-11-27 1987-12-31 British Telecomm Optical communications network
GB8906937D0 (en) * 1989-03-28 1989-05-10 Plessey Telecomm Testing optical fibre links
US5022752A (en) * 1989-09-25 1991-06-11 Reliance Comm/Tec Corporation Echo cancelling circuit for use with laser
ES2126561T3 (es) * 1991-06-04 1999-04-01 Cit Alcatel Metodo para determinar retardos de ecualizacion en un sistema de transmision y sistema de transmision relacionado.

Also Published As

Publication number Publication date
GB9121226D0 (en) 1991-11-20
DE69231406D1 (de) 2000-10-05
WO1993007687A1 (en) 1993-04-15
JP3281378B2 (ja) 2002-05-13
ES2151493T3 (es) 2001-01-01
US5453865A (en) 1995-09-26
CA2114729A1 (en) 1993-04-15
EP0606330A1 (de) 1994-07-20
JPH06511364A (ja) 1994-12-15
CA2114729C (en) 1998-12-01
EP0606330B1 (de) 2000-08-30
SG48932A1 (en) 1998-05-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee