JPS5765930A - Searching method for fault of optical fiber transmission system - Google Patents

Searching method for fault of optical fiber transmission system

Info

Publication number
JPS5765930A
JPS5765930A JP14282980A JP14282980A JPS5765930A JP S5765930 A JPS5765930 A JP S5765930A JP 14282980 A JP14282980 A JP 14282980A JP 14282980 A JP14282980 A JP 14282980A JP S5765930 A JPS5765930 A JP S5765930A
Authority
JP
Japan
Prior art keywords
terminal station
fault
optical fiber
measuring equipment
connection box
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.)
Granted
Application number
JP14282980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6130782B2 (enExample
Inventor
Hidetoshi Oota
Yoshio Nomura
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP14282980A priority Critical patent/JPS5765930A/ja
Publication of JPS5765930A publication Critical patent/JPS5765930A/ja
Publication of JPS6130782B2 publication Critical patent/JPS6130782B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/40Monitoring; Testing of relay systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
JP14282980A 1980-10-13 1980-10-13 Searching method for fault of optical fiber transmission system Granted JPS5765930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14282980A JPS5765930A (en) 1980-10-13 1980-10-13 Searching method for fault of optical fiber transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14282980A JPS5765930A (en) 1980-10-13 1980-10-13 Searching method for fault of optical fiber transmission system

Publications (2)

Publication Number Publication Date
JPS5765930A true JPS5765930A (en) 1982-04-21
JPS6130782B2 JPS6130782B2 (enExample) 1986-07-16

Family

ID=15324578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14282980A Granted JPS5765930A (en) 1980-10-13 1980-10-13 Searching method for fault of optical fiber transmission system

Country Status (1)

Country Link
JP (1) JPS5765930A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5783899A (en) * 1980-11-13 1982-05-25 Nippon Telegraph & Telephone Optical fiber transmission line defect searching system
WO1983004150A1 (fr) * 1982-05-06 1983-11-24 Nippon Telegraph And Telephone Public Corporation Procede et dispositif de detection de points defaillants dans une ligne de transmission de lumiere
JPS60112636A (ja) * 1983-11-24 1985-06-19 Nippon Telegr & Teleph Corp <Ntt> ガラス微粒子合成用バ−ナ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5783899A (en) * 1980-11-13 1982-05-25 Nippon Telegraph & Telephone Optical fiber transmission line defect searching system
WO1983004150A1 (fr) * 1982-05-06 1983-11-24 Nippon Telegraph And Telephone Public Corporation Procede et dispositif de detection de points defaillants dans une ligne de transmission de lumiere
JPS60112636A (ja) * 1983-11-24 1985-06-19 Nippon Telegr & Teleph Corp <Ntt> ガラス微粒子合成用バ−ナ

Also Published As

Publication number Publication date
JPS6130782B2 (enExample) 1986-07-16

Similar Documents

Publication Publication Date Title
ES8104886A1 (es) Perfeccionamientos en igualadores automaticos para transmi- sion digital por pares trenzados de conductos telefonicos.
ATE152560T1 (de) Betriebssichere automatische abschaltvorrichtung und verfahren für ein optisches übertragungssystem mit hoher ausgangsleitung
EP0536002B1 (en) Method of identifying an optical cable
KR960706722A (ko) 전력선 반송 통신 시스템의 중간 전압에서 신호를 결합하는 방법 및 장치(method and apparatus for signal coupling at medium voltage in a power line carrier communications system)
ES475724A1 (es) Un cable de fibras opticas mejorado.
EP0280328A3 (en) Chromatic dispersion measuring system for optical fibers
HUT76220A (en) Hybrid electricity and telecommunications network
NO166384C (no) Anordning for aa detektere avtapning av lysenergi fra en optisk fiber.
CA2129603A1 (en) Communication Systems Using Passive RF Routing
EP0165803A3 (en) A system and an apparatus for locating a grounding fault on electric power equipment
SE9900991D0 (sv) A receiver transponder for protected networks
DE3273936D1 (en) Fault locating arrangement for an optical fibre cable link
Namihira et al. Polarisation fluctuation of submarine-cabled single-mode optical fibres in ocean installation
Ryu et al. First sea trial of FSK heterodyne optical transmission system using polarisation diversity
JPS57109913A (en) Submarine optical repeater
JPS57106289A (en) Abnormality corresponding method on catv system
JPS56141636A (en) Supervisory system of optical fiber cable transmission line
JPS5725737A (en) Optical fiber communication device
GB8330332D0 (en) Equipment testing optical fibre transmission system
GB1229787A (enExample)
DE3067066D1 (en) Control of transmission lines for digital signals
JPS575447A (en) Failure detecting system
JPS57109438A (en) Transmission system for submarine optical fiber cable
Namihira et al. Dynamic polarisation fluctuation characteristics of optical fibre submarine cable coupling under periodic variable tension
JPS57127345A (en) Detecting system of faulty area