JPS5425610A - Monitor system of console open condition - Google Patents

Monitor system of console open condition

Info

Publication number
JPS5425610A
JPS5425610A JP9124277A JP9124277A JPS5425610A JP S5425610 A JPS5425610 A JP S5425610A JP 9124277 A JP9124277 A JP 9124277A JP 9124277 A JP9124277 A JP 9124277A JP S5425610 A JPS5425610 A JP S5425610A
Authority
JP
Japan
Prior art keywords
monitor system
open condition
console open
cover
console
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
JP9124277A
Other languages
Japanese (ja)
Inventor
Masatoshi Fujisawa
Chikayuki Yamaga
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 JP9124277A priority Critical patent/JPS5425610A/en
Publication of JPS5425610A publication Critical patent/JPS5425610A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/60—Supervising unattended repeaters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Casings For Electric Apparatus (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE:To detect the condition of cover whether it is opened or not by checking the short circuit of inserted wire and to enable the location of open cover with the trieval current oscillating frequency easily, in a unit detecting open cover for the consoles of a plurality of unattended relay stations located on communication delivery lines.
JP9124277A 1977-07-28 1977-07-28 Monitor system of console open condition Pending JPS5425610A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9124277A JPS5425610A (en) 1977-07-28 1977-07-28 Monitor system of console open condition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9124277A JPS5425610A (en) 1977-07-28 1977-07-28 Monitor system of console open condition

Publications (1)

Publication Number Publication Date
JPS5425610A true JPS5425610A (en) 1979-02-26

Family

ID=14020941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9124277A Pending JPS5425610A (en) 1977-07-28 1977-07-28 Monitor system of console open condition

Country Status (1)

Country Link
JP (1) JPS5425610A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL423650A1 (en) * 2017-11-30 2019-06-03 Integrator Spolka Z Ograniczona Odpowiedzialnoscia Device that monitors position of the telecommunication manhole covers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL423650A1 (en) * 2017-11-30 2019-06-03 Integrator Spolka Z Ograniczona Odpowiedzialnoscia Device that monitors position of the telecommunication manhole covers
PL236361B1 (en) * 2017-11-30 2021-01-11 Integrator Spolka Z Ograniczona Odpowiedzialnoscia A device that monitors the position of telecommunications well covers

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