GB2056822B - Fault locating arrangement for a two-way repeatered transmission link - Google Patents

Fault locating arrangement for a two-way repeatered transmission link

Info

Publication number
GB2056822B
GB2056822B GB8024322A GB8024322A GB2056822B GB 2056822 B GB2056822 B GB 2056822B GB 8024322 A GB8024322 A GB 8024322A GB 8024322 A GB8024322 A GB 8024322A GB 2056822 B GB2056822 B GB 2056822B
Authority
GB
United Kingdom
Prior art keywords
way
transmission link
fault locating
locating arrangement
repeatered transmission
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
Application number
GB8024322A
Other languages
English (en)
Other versions
GB2056822A (en
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 GB2056822A publication Critical patent/GB2056822A/en
Application granted granted Critical
Publication of GB2056822B publication Critical patent/GB2056822B/en
Expired 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)
GB8024322A 1979-07-25 1980-07-24 Fault locating arrangement for a two-way repeatered transmission link Expired GB2056822B (en)

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
GB2056822A GB2056822A (en) 1981-03-18
GB2056822B true GB2056822B (en) 1983-10-19

Family

ID=22029483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8024322A Expired GB2056822B (en) 1979-07-25 1980-07-24 Fault locating arrangement for a two-way repeatered transmission link

Country Status (4)

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

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
ATE131935T1 (de) * 1989-07-31 1996-01-15 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
US4266183A (en) 1981-05-05
FR2462715A1 (fr) 1981-02-13
GB2056822A (en) 1981-03-18
FR2462715B1 (https=) 1985-02-22
CH650625A5 (de) 1985-07-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee