KR910002176A - 광학섬유를 사용한 루우프 네트워크 데이터 전송 시스템의 고장진단장치 - Google Patents

광학섬유를 사용한 루우프 네트워크 데이터 전송 시스템의 고장진단장치

Info

Publication number
KR910002176A
KR910002176A KR1019890009057A KR890009057A KR910002176A KR 910002176 A KR910002176 A KR 910002176A KR 1019890009057 A KR1019890009057 A KR 1019890009057A KR 890009057 A KR890009057 A KR 890009057A KR 910002176 A KR910002176 A KR 910002176A
Authority
KR
South Korea
Prior art keywords
optical fiber
data transmission
transmission system
network data
fault diagnosis
Prior art date
Application number
KR1019890009057A
Other languages
English (en)
Other versions
KR920007476B1 (ko
Inventor
요시후미 하라
쓰도무 사꾸라이
사부로오 구보다
Original Assignee
마쓰시다 덴끼 산교오 가부시기가이샤
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 마쓰시다 덴끼 산교오 가부시기가이샤 filed Critical 마쓰시다 덴끼 산교오 가부시기가이샤
Publication of KR910002176A publication Critical patent/KR910002176A/ko
Application granted granted Critical
Publication of KR920007476B1 publication Critical patent/KR920007476B1/ko

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
    • 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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
KR1019890009057A 1988-06-29 1989-06-29 광학섬유를 사용한 루우프 네트워크 데이터 전송 시스템의 고장진단장치 KR920007476B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63161614A JPH07114409B2 (ja) 1988-06-29 1988-06-29 ループ状データ伝送装置
JP?63-161614 1988-06-29

Publications (2)

Publication Number Publication Date
KR910002176A true KR910002176A (ko) 1991-01-31
KR920007476B1 KR920007476B1 (ko) 1992-09-04

Family

ID=15738516

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890009057A KR920007476B1 (ko) 1988-06-29 1989-06-29 광학섬유를 사용한 루우프 네트워크 데이터 전송 시스템의 고장진단장치

Country Status (5)

Country Link
US (1) US5119222A (ko)
EP (1) EP0348925B1 (ko)
JP (1) JPH07114409B2 (ko)
KR (1) KR920007476B1 (ko)
DE (1) DE68925662T2 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2830926B2 (ja) * 1990-11-26 1998-12-02 松下電器産業株式会社 光バス伝送装置
DE69404130T2 (de) * 1993-03-02 1997-12-11 British Telecomm Verfahren und vorrichtung zur erkennung von optisch kodierten signalen
US5390326A (en) * 1993-04-30 1995-02-14 The Foxboro Company Local area network with fault detection and recovery
JPH07264231A (ja) * 1994-03-16 1995-10-13 Fujitsu Ltd 回線切替え方式
JPH11186963A (ja) * 1997-12-24 1999-07-09 Nec Corp 光伝送通信システムにおける伝送品質監視方法と装置
KR100747677B1 (ko) * 2005-12-08 2007-08-08 에포크 머티리얼 컴퍼니, 리미티드 호모지나이저
JP2008211735A (ja) * 2007-02-28 2008-09-11 Mitsubishi Electric Corp 光伝送制御回路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799675A (en) * 1972-12-07 1974-03-26 Sanders Associates Inc Direction determining system
US4278850A (en) * 1978-04-11 1981-07-14 Kokusai Denshin Denwa Co., Ltd. Monitoring system for optical transmission line repeaters
US4257125A (en) * 1979-05-01 1981-03-17 The Singer Company Receiver for unipolar Manchester fiber optics signals
JPS6040746B2 (ja) * 1980-01-08 1985-09-12 三菱電機株式会社 光ファイバ通信装置
US4648135A (en) * 1984-07-20 1987-03-03 Sperry Corporation Photo diode-array dynamic range for optical signal systems
FR2568431A1 (fr) * 1984-07-27 1986-01-31 Inf Milit Spatiale Aeronaut Dispositif de controle du fonctionnement d'une liaison a fibre optique et recepteur comportant un tel dispositif
US4715028A (en) * 1986-06-13 1987-12-22 Polaroid Corporation Optical communication system

Also Published As

Publication number Publication date
DE68925662T2 (de) 1996-06-27
US5119222A (en) 1992-06-02
KR920007476B1 (ko) 1992-09-04
EP0348925A3 (en) 1992-02-05
EP0348925B1 (en) 1996-02-14
JPH07114409B2 (ja) 1995-12-06
DE68925662D1 (de) 1996-03-28
EP0348925A2 (en) 1990-01-03
JPH0211041A (ja) 1990-01-16

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