JPS5199904A - - Google Patents

Info

Publication number
JPS5199904A
JPS5199904A JP2536075A JP2536075A JPS5199904A JP S5199904 A JPS5199904 A JP S5199904A JP 2536075 A JP2536075 A JP 2536075A JP 2536075 A JP2536075 A JP 2536075A JP S5199904 A JPS5199904 A JP S5199904A
Authority
JP
Japan
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
JP2536075A
Other versions
JPS5750100B2 (ja
Inventor
Mitsuhiro Motegi
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
Priority to JP2536075A priority Critical patent/JPS5750100B2/ja
Publication of JPS5199904A publication Critical patent/JPS5199904A/ja
Publication of JPS5750100B2 publication Critical patent/JPS5750100B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Dc Digital Transmission (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
JP2536075A 1975-02-28 1975-02-28 Expired JPS5750100B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2536075A JPS5750100B2 (ja) 1975-02-28 1975-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2536075A JPS5750100B2 (ja) 1975-02-28 1975-02-28

Publications (2)

Publication Number Publication Date
JPS5199904A true JPS5199904A (ja) 1976-09-03
JPS5750100B2 JPS5750100B2 (ja) 1982-10-26

Family

ID=12163665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2536075A Expired JPS5750100B2 (ja) 1975-02-28 1975-02-28

Country Status (1)

Country Link
JP (1) JPS5750100B2 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51140406A (en) * 1975-05-30 1976-12-03 Tokyo Electric Power Co Inc:The Light communication monitoring system
JPS5493911A (en) * 1978-01-09 1979-07-25 Kokusai Denshin Denwa Co Ltd Optical repeating transmission line trouble monitoring system
JPS54133001A (en) * 1978-04-07 1979-10-16 Kokusai Denshin Denwa Co Ltd Light repeater monitoring system
JPS54134503A (en) * 1978-04-11 1979-10-19 Kokusai Denshin Denwa Co Ltd Light transmission line repeater monitoring system
DE3000060A1 (de) 1979-02-08 1980-08-14 Kokusai Denshin Denwa Co Ltd Ueberwachungssystem fuer einen optischen verstaerker
JPS55156435A (en) * 1979-05-24 1980-12-05 Fujitsu Ltd Fault bracketing system of two-way light transmitter
JPS5632844A (en) * 1979-08-27 1981-04-02 Nippon Telegr & Teleph Corp <Ntt> Light repeater monitoring system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51140406A (en) * 1975-05-30 1976-12-03 Tokyo Electric Power Co Inc:The Light communication monitoring system
JPS5493911A (en) * 1978-01-09 1979-07-25 Kokusai Denshin Denwa Co Ltd Optical repeating transmission line trouble monitoring system
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
JPS54133001A (en) * 1978-04-07 1979-10-16 Kokusai Denshin Denwa Co Ltd Light repeater monitoring system
JPS593902B2 (ja) * 1978-04-07 1984-01-26 ケイディディ株式会社 光中継器監視方式
JPS54134503A (en) * 1978-04-11 1979-10-19 Kokusai Denshin Denwa Co Ltd Light transmission line repeater monitoring system
DE3000060A1 (de) 1979-02-08 1980-08-14 Kokusai Denshin Denwa Co Ltd Ueberwachungssystem fuer einen optischen verstaerker
JPS55156435A (en) * 1979-05-24 1980-12-05 Fujitsu Ltd Fault bracketing system of two-way light transmitter
JPS5632844A (en) * 1979-08-27 1981-04-02 Nippon Telegr & Teleph Corp <Ntt> Light repeater monitoring system

Also Published As

Publication number Publication date
JPS5750100B2 (ja) 1982-10-26

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