JPS5437621A - Fault repeater locating system - Google Patents

Fault repeater locating system

Info

Publication number
JPS5437621A
JPS5437621A JP10445477A JP10445477A JPS5437621A JP S5437621 A JPS5437621 A JP S5437621A JP 10445477 A JP10445477 A JP 10445477A JP 10445477 A JP10445477 A JP 10445477A JP S5437621 A JPS5437621 A JP S5437621A
Authority
JP
Japan
Prior art keywords
repeater
locating system
fault
fault repeater
locating
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
JP10445477A
Other languages
English (en)
Inventor
Masanori Honda
Mamoru Endo
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 JP10445477A priority Critical patent/JPS5437621A/ja
Publication of JPS5437621A publication Critical patent/JPS5437621A/ja
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)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP10445477A 1977-08-31 1977-08-31 Fault repeater locating system Pending JPS5437621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10445477A JPS5437621A (en) 1977-08-31 1977-08-31 Fault repeater locating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10445477A JPS5437621A (en) 1977-08-31 1977-08-31 Fault repeater locating system

Publications (1)

Publication Number Publication Date
JPS5437621A true JPS5437621A (en) 1979-03-20

Family

ID=14381054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10445477A Pending JPS5437621A (en) 1977-08-31 1977-08-31 Fault repeater locating system

Country Status (1)

Country Link
JP (1) JPS5437621A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56134873A (en) * 1980-03-25 1981-10-21 Nec Corp Regenerative repeater with signal returning circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56134873A (en) * 1980-03-25 1981-10-21 Nec Corp Regenerative repeater with signal returning circuit

Similar Documents

Publication Publication Date Title
DK546978A (da) Sender modtager til et enkeltkanlsdupleksradioanlaeg
IT7819583A0 (it) Dispositivo per sistemi di comunicazione.
AU511490B2 (en) Repeater system supervision
JPS53120208A (en) Remote control test system for subscriber line
JPS51113087A (en) The concentrically surveying method of informations
IT7828785A0 (it) Ricevitore secondario per apparecchi telefonici.
JPS536A (en) Different program signal transmission system
JPS5416113A (en) Supervisory system for circuit error
JPS5381003A (en) In-band signal system
JPS5341688A (en) Local station side change-over system of remote supervisory control system
IT1058931B (it) Unita di memoria a ricevitore pilota per sistemi a frequenza portante
JPS5341906A (en) Transmission system
ZA783790B (en) Line monitoring for communications systems
JPS53111227A (en) Communication device for multiple access
JPS533115A (en) Pcm terminal station unit
SE441964B (sv) Sendarmottagare for att atersenda en bervag modulerad av en underbervag
JPS5368009A (en) Control information transmission system for out-trunk
JPS53131705A (en) Automatic telephone exchange system
JPS53100701A (en) Transmission relay monitor system for optical pcm group
JPS5373001A (en) Test system of mobile communication equipment
JPS5433604A (en) Signal system
JPS5318308A (en) Data transmission system
JPS53128903A (en) Reception system for data terminal unit
GB831499A (en) Signalling system for carrier frequency telephone systems
JPS533114A (en) Pcm terminal station unit