JPS54117603A - Line monitor system - Google Patents

Line monitor system

Info

Publication number
JPS54117603A
JPS54117603A JP2453078A JP2453078A JPS54117603A JP S54117603 A JPS54117603 A JP S54117603A JP 2453078 A JP2453078 A JP 2453078A JP 2453078 A JP2453078 A JP 2453078A JP S54117603 A JPS54117603 A JP S54117603A
Authority
JP
Japan
Prior art keywords
line monitor
signal
monitor system
line
communication controller
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.)
Pending
Application number
JP2453078A
Other languages
Japanese (ja)
Inventor
Masahiko Tamaki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2453078A priority Critical patent/JPS54117603A/en
Publication of JPS54117603A publication Critical patent/JPS54117603A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE:To reduce the number of signal lines, connectors and connection processes by using a controlling interface signal in a communication controller, etc. CONSTITUTION:The interface signal between line corresponding part 5 of communication controller 6 and common control part 4 is inputted to line monitor unit 8, and the state of each communication line is detected and displayed on a basis of the intercace signal in unit 8.
JP2453078A 1978-03-06 1978-03-06 Line monitor system Pending JPS54117603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2453078A JPS54117603A (en) 1978-03-06 1978-03-06 Line monitor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2453078A JPS54117603A (en) 1978-03-06 1978-03-06 Line monitor system

Publications (1)

Publication Number Publication Date
JPS54117603A true JPS54117603A (en) 1979-09-12

Family

ID=12140703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2453078A Pending JPS54117603A (en) 1978-03-06 1978-03-06 Line monitor system

Country Status (1)

Country Link
JP (1) JPS54117603A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56129943A (en) * 1980-01-15 1981-10-12 Post Office Monitor for data transmission system
JPS5743647U (en) * 1980-08-25 1982-03-10
JPS58111460A (en) * 1981-12-24 1983-07-02 Fujitsu Ltd Communication line number determining system for protocol verification
JPS59202756A (en) * 1983-04-30 1984-11-16 Matsushita Electric Ind Co Ltd System monitoring device
JPS62122436A (en) * 1985-11-22 1987-06-03 Fujitsu Ltd Monitor processing system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56129943A (en) * 1980-01-15 1981-10-12 Post Office Monitor for data transmission system
JPS637701B2 (en) * 1980-01-15 1988-02-18 Post Office
JPS5743647U (en) * 1980-08-25 1982-03-10
JPS6338592Y2 (en) * 1980-08-25 1988-10-12
JPS58111460A (en) * 1981-12-24 1983-07-02 Fujitsu Ltd Communication line number determining system for protocol verification
JPH0227859B2 (en) * 1981-12-24 1990-06-20 Fujitsu Kk
JPS59202756A (en) * 1983-04-30 1984-11-16 Matsushita Electric Ind Co Ltd System monitoring device
JPS62122436A (en) * 1985-11-22 1987-06-03 Fujitsu Ltd Monitor processing system

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