FR2770062B1 - Emetteur de signal de surveillance et procede d'emission de signal de surveillance - Google Patents

Emetteur de signal de surveillance et procede d'emission de signal de surveillance

Info

Publication number
FR2770062B1
FR2770062B1 FR9803808A FR9803808A FR2770062B1 FR 2770062 B1 FR2770062 B1 FR 2770062B1 FR 9803808 A FR9803808 A FR 9803808A FR 9803808 A FR9803808 A FR 9803808A FR 2770062 B1 FR2770062 B1 FR 2770062B1
Authority
FR
France
Prior art keywords
signal
supervisory
surveillance signal
idle
switcher
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
FR9803808A
Other languages
English (en)
Other versions
FR2770062A1 (fr
Inventor
Kenji Ota
Mitsuo Kitamura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2770062A1 publication Critical patent/FR2770062A1/fr
Application granted granted Critical
Publication of FR2770062B1 publication Critical patent/FR2770062B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0298—Wavelength-division multiplex systems with sub-carrier multiplexing [SCM]
    • 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
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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
    • H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
FR9803808A 1997-10-17 1998-03-27 Emetteur de signal de surveillance et procede d'emission de signal de surveillance Expired - Fee Related FR2770062B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9285062A JPH11122177A (ja) 1997-10-17 1997-10-17 監視制御信号送信装置及び方法

Publications (2)

Publication Number Publication Date
FR2770062A1 FR2770062A1 (fr) 1999-04-23
FR2770062B1 true FR2770062B1 (fr) 2003-08-29

Family

ID=17686674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9803808A Expired - Fee Related FR2770062B1 (fr) 1997-10-17 1998-03-27 Emetteur de signal de surveillance et procede d'emission de signal de surveillance

Country Status (3)

Country Link
US (1) US6310708B1 (fr)
JP (1) JPH11122177A (fr)
FR (1) FR2770062B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6744987B1 (en) * 2000-04-17 2004-06-01 Delphi Technologies, Inc Tertiary optical media interface
JP2002016621A (ja) * 2000-06-30 2002-01-18 Haamorinku:Kk 制御・監視信号伝送システム
JP3795392B2 (ja) * 2001-12-28 2006-07-12 株式会社 エニイワイヤ 制御・監視信号伝送システム
JP4495388B2 (ja) * 2002-04-01 2010-07-07 富士通株式会社 波長多重伝送システムにおける信号伝送方法並びに波長多重伝送システムに使用される波長多重送信装置，光分岐／挿入装置及び伝送装置
JP3851836B2 (ja) * 2002-04-19 2006-11-29 富士通株式会社 波長多重伝送システム及び波長多重伝送装置
JP2005218066A (ja) * 2004-02-02 2005-08-11 Nakagawa Kenkyusho:Kk 位置情報通信装置
JP4645655B2 (ja) * 2008-02-04 2011-03-09 富士ゼロックス株式会社 光伝送モジュール
JP5394412B2 (ja) 2011-01-11 2014-01-22 株式会社アドバンテスト 光信号出力装置、電気信号出力装置、および試験装置
EP3208897B1 (fr) * 2014-10-15 2019-05-15 Fujikura, Ltd. Émetteur optique, câble optique actif et procédé de transmission optique

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6292553A (ja) * 1985-10-18 1987-04-28 Kokusai Denshin Denwa Co Ltd <Kdd> デイジタル伝送路の監視制御方式
US4994675A (en) * 1989-04-28 1991-02-19 Rebo Research, Inc. Method and apparatus for checking continuity of optic transmission
FR2675609B1 (fr) * 1991-04-16 1995-06-16 Alsthom Gec Dispositif de signalisation de la position d'un organe mobile.
US5293231A (en) * 1991-11-07 1994-03-08 Elbex Video, Ltd. Apparatus for synchronizing terminal equipment
US5317439A (en) * 1992-07-17 1994-05-31 At&T Bell Laboratories Automatic on-line monitoring and optimization of optical network switching nodes
JP3463717B2 (ja) * 1995-08-24 2003-11-05 三菱電機株式会社 波長多重光伝送装置および波長多重光伝送システム
DE19538755A1 (de) * 1995-10-18 1997-04-24 Bosch Gmbh Robert Überwachungs- und/oder Steuereinrichtung und -Verfahren
FR2744866B1 (fr) * 1996-02-13 1998-03-20 Alcatel Submarcom Installation de transmission de signaux par voie optique comprenant un systeme de surveillance des repeteurs
US5900983A (en) * 1997-08-22 1999-05-04 Lucent Technologies Inc. Level-setting optical attenuator
US5978113A (en) * 1997-08-29 1999-11-02 Kight; William Dorsey Apparatus for remote loopback testing and isolation of loss of signal failures within synchronous optical networks

Also Published As

Publication number Publication date
JPH11122177A (ja) 1999-04-30
FR2770062A1 (fr) 1999-04-23
US6310708B1 (en) 2001-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20071130