JPS5333010A - Trouble point detecting system of communication transmission line - Google Patents

Trouble point detecting system of communication transmission line

Info

Publication number
JPS5333010A
JPS5333010A JP10808276A JP10808276A JPS5333010A JP S5333010 A JPS5333010 A JP S5333010A JP 10808276 A JP10808276 A JP 10808276A JP 10808276 A JP10808276 A JP 10808276A JP S5333010 A JPS5333010 A JP S5333010A
Authority
JP
Japan
Prior art keywords
trouble point
communication transmission
point detecting
transmission line
detecting system
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
JP10808276A
Other languages
Japanese (ja)
Inventor
Isao Sakuyama
Masamichi Okishiro
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP10808276A priority Critical patent/JPS5333010A/en
Publication of JPS5333010A publication Critical patent/JPS5333010A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Locating Faults (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

PURPOSE:A loop is composed of a main signal system feeder path and a trouble point detecting feeder path, thereby making it possible to detect a trouble point while securing the reliability of the communication transmission by resistancemeasuring this loop, etc.
JP10808276A 1976-09-09 1976-09-09 Trouble point detecting system of communication transmission line Pending JPS5333010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10808276A JPS5333010A (en) 1976-09-09 1976-09-09 Trouble point detecting system of communication transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10808276A JPS5333010A (en) 1976-09-09 1976-09-09 Trouble point detecting system of communication transmission line

Publications (1)

Publication Number Publication Date
JPS5333010A true JPS5333010A (en) 1978-03-28

Family

ID=14475406

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10808276A Pending JPS5333010A (en) 1976-09-09 1976-09-09 Trouble point detecting system of communication transmission line

Country Status (1)

Country Link
JP (1) JPS5333010A (en)

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