JPS57106251A - Monitor system - Google Patents

Monitor system

Info

Publication number
JPS57106251A
JPS57106251A JP18256680A JP18256680A JPS57106251A JP S57106251 A JPS57106251 A JP S57106251A JP 18256680 A JP18256680 A JP 18256680A JP 18256680 A JP18256680 A JP 18256680A JP S57106251 A JPS57106251 A JP S57106251A
Authority
JP
Japan
Prior art keywords
fault
time
section
station
succeeding
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
JP18256680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6347019B2 (enrdf_load_stackoverflow
Inventor
Tadao Ogawa
Toshiro Kato
Takemi Endo
Masayuki Sakamoto
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
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP18256680A priority Critical patent/JPS57106251A/ja
Publication of JPS57106251A publication Critical patent/JPS57106251A/ja
Publication of JPS6347019B2 publication Critical patent/JPS6347019B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/40Monitoring; Testing of relay systems
    • H04B17/401Monitoring; Testing of relay systems with selective localization
    • H04B17/406Monitoring; Testing of relay systems with selective localization using coded addresses

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Dc Digital Transmission (AREA)
JP18256680A 1980-12-22 1980-12-22 Monitor system Granted JPS57106251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18256680A JPS57106251A (en) 1980-12-22 1980-12-22 Monitor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18256680A JPS57106251A (en) 1980-12-22 1980-12-22 Monitor system

Publications (2)

Publication Number Publication Date
JPS57106251A true JPS57106251A (en) 1982-07-02
JPS6347019B2 JPS6347019B2 (enrdf_load_stackoverflow) 1988-09-20

Family

ID=16120511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18256680A Granted JPS57106251A (en) 1980-12-22 1980-12-22 Monitor system

Country Status (1)

Country Link
JP (1) JPS57106251A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59214347A (ja) * 1983-05-19 1984-12-04 Fujitsu Ltd 誤警報デ−タ受信防止方式
JPS6033764A (ja) * 1983-08-04 1985-02-21 Kokusai Denshin Denwa Co Ltd <Kdd> 中継器監視方式
JPS6096872U (ja) * 1983-12-08 1985-07-02 松下電器産業株式会社 印刷配線基板装置
JPH07107055A (ja) * 1993-10-05 1995-04-21 Nec Corp 故障検出回路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63256223A (ja) * 1987-04-10 1988-10-24 Kusakabe Denki Kk ストリツプアキユムレ−タ−

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5073909U (enrdf_load_stackoverflow) * 1973-11-07 1975-06-28
JPS5222201U (enrdf_load_stackoverflow) * 1975-08-06 1977-02-17
JPS54707U (enrdf_load_stackoverflow) * 1977-06-04 1979-01-06
JPS55106382U (enrdf_load_stackoverflow) * 1979-01-20 1980-07-25

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5073909U (enrdf_load_stackoverflow) * 1973-11-07 1975-06-28
JPS5222201U (enrdf_load_stackoverflow) * 1975-08-06 1977-02-17
JPS54707U (enrdf_load_stackoverflow) * 1977-06-04 1979-01-06
JPS55106382U (enrdf_load_stackoverflow) * 1979-01-20 1980-07-25

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59214347A (ja) * 1983-05-19 1984-12-04 Fujitsu Ltd 誤警報デ−タ受信防止方式
JPS6033764A (ja) * 1983-08-04 1985-02-21 Kokusai Denshin Denwa Co Ltd <Kdd> 中継器監視方式
JPS6096872U (ja) * 1983-12-08 1985-07-02 松下電器産業株式会社 印刷配線基板装置
JPH07107055A (ja) * 1993-10-05 1995-04-21 Nec Corp 故障検出回路

Also Published As

Publication number Publication date
JPS6347019B2 (enrdf_load_stackoverflow) 1988-09-20

Similar Documents

Publication Publication Date Title
JPS5523612A (en) Detection system of faulty position of optical fiber transmission system
JPS5792948A (en) Loop data transmission system
JPS57106251A (en) Monitor system
GB967643A (en) Improvements in or relating to digital message transmission systems
JPS537352A (en) Data collection system in digital telemeter system
JPS5376800A (en) Receiver of fire alarm system
JPS56161742A (en) Automatic detection method for faulty part in loop transmitting system
JPS54148312A (en) Loop-back remote control system
JPS56111337A (en) Slotted-star network
JPS55120243A (en) Supervisory unit for fault of transmission line
JPS5728440A (en) Transmission system of control signal
SU1334382A1 (ru) Устройство дл выбора и подключени радиостанций к диспетчерской линии св зи
JPS5758439A (en) Data transmission device
JPS57170633A (en) Site diversity communication system
EP0113082A3 (en) Optical signal receiving apparatus
JPS5220702A (en) Data terminal equipment
JPS51119942A (en) Detector for abnormal transmission signal abnormal detector
JPS53139915A (en) Foacasting coder
JPS5363910A (en) Audible signal sound signal detection system
JPS56122540A (en) System switching method
JPS5319704A (en) Signal transmission system
JPS55114059A (en) Multiple address communication system
JPS5238136A (en) Distance relay system
JPS56132036A (en) Confirmation system for operating equipment of terminal station
JPS56128080A (en) Transmission line distortion detection equipment