FR2462715B1 - - Google Patents

Info

Publication number
FR2462715B1
FR2462715B1 FR8016207A FR8016207A FR2462715B1 FR 2462715 B1 FR2462715 B1 FR 2462715B1 FR 8016207 A FR8016207 A FR 8016207A FR 8016207 A FR8016207 A FR 8016207A FR 2462715 B1 FR2462715 B1 FR 2462715B1
Authority
FR
France
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
Application number
FR8016207A
Other languages
French (fr)
Other versions
FR2462715A1 (fr
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2462715A1 publication Critical patent/FR2462715A1/fr
Application granted granted Critical
Publication of FR2462715B1 publication Critical patent/FR2462715B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/407—Monitoring; Testing of relay systems without selective localization
    • H04B17/408—Monitoring; Testing of relay systems without selective localization using successive loop-backs

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
FR8016207A 1979-07-25 1980-07-23 Systeme de localisation de defaut pour circuit de transmission bidirectionnelle simultanee a repeteurs Granted FR2462715A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/060,439 US4266183A (en) 1979-07-25 1979-07-25 Fault locating arrangement for a two-way repeatered transmission link

Publications (2)

Publication Number Publication Date
FR2462715A1 FR2462715A1 (fr) 1981-02-13
FR2462715B1 true FR2462715B1 (ref) 1985-02-22

Family

ID=22029483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8016207A Granted FR2462715A1 (fr) 1979-07-25 1980-07-23 Systeme de localisation de defaut pour circuit de transmission bidirectionnelle simultanee a repeteurs

Country Status (4)

Country Link
US (1) US4266183A (ref)
CH (1) CH650625A5 (ref)
FR (1) FR2462715A1 (ref)
GB (1) GB2056822B (ref)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660194A (en) * 1984-04-05 1987-04-21 New York Telephone Company Method and apparatus for testing a subscriber's line circuit in a packet switched multiplexed data/voice communication system
FR2574203B1 (fr) * 1984-11-30 1987-04-24 Cit Alcatel Procede de telesignalisation pour une liaison de transmission numerique et dispositif pour sa mise en oeuvre
FR2580880B1 (fr) * 1985-04-19 1992-09-04 Cit Alcatel Procede et dispositif de telesignalisation pour une liaison de transmission numerique bidirectionnelle
JPS6295050A (ja) * 1985-10-22 1987-05-01 Kokusai Denshin Denwa Co Ltd <Kdd> デイジタル中継器監視用符号の伝送方式
SE458328B (sv) * 1987-07-16 1989-03-13 Ericsson Telefon Ab L M Anordning foer fellokalisering i en dubbelriktad optisk linjelaenk
DE69024278T2 (de) * 1989-07-31 1996-06-27 Mitsui Petrochemical Ind Anordnung zur Überwachung der Isolationsverschlechterung einer elektrischen Installation
US5212713A (en) * 1989-08-09 1993-05-18 Tasman Cable Company Fault location arrangement for digital transmission systems
GB2242324B (en) * 1990-03-22 1993-09-22 Stc Plc Fault location.
JP2515046B2 (ja) * 1990-07-13 1996-07-10 富士通株式会社 光中継器
US5752198A (en) * 1994-11-14 1998-05-12 Ericsson Inc. Single site, split location trunked radio communications system
US5689801A (en) * 1994-11-14 1997-11-18 Ericsson Inc. Power monitoring system for a single site, split location trunked radio communication system
US6493124B1 (en) 1999-07-27 2002-12-10 Tellabs Operations, Inc. Looping back signals in optical switches
EP2854282A1 (en) * 2013-09-30 2015-04-01 Alstom Technology Ltd Submodule identification in a modular multilevel converter by means of measuring signal propagation times from the central controller

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649777A (en) * 1968-04-26 1972-03-14 Nippon Electric Co Supervisory apparatus for pcm regenerative repeaters
CA1044760A (en) * 1974-10-09 1978-12-19 Lim C. Hwa Methods and equipment for testing reflection points of transmission lines
FR2395650A1 (fr) * 1977-06-20 1979-01-19 France Etat Systeme de telelocalisation sur une liaison de transmission analogique ou numerique comprenant notamment des repeteurs-regenerateurs
JPS593051B2 (ja) * 1978-01-09 1984-01-21 ケイディディ株式会社 光中継伝送路の障害監視方式

Also Published As

Publication number Publication date
FR2462715A1 (fr) 1981-02-13
GB2056822B (en) 1983-10-19
CH650625A5 (de) 1985-07-31
GB2056822A (en) 1981-03-18
US4266183A (en) 1981-05-05

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Legal Events

Date Code Title Description
ST Notification of lapse