JPS5883444A - 中継伝送系の障害点探索方式 - Google Patents

中継伝送系の障害点探索方式

Info

Publication number
JPS5883444A
JPS5883444A JP56180304A JP18030481A JPS5883444A JP S5883444 A JPS5883444 A JP S5883444A JP 56180304 A JP56180304 A JP 56180304A JP 18030481 A JP18030481 A JP 18030481A JP S5883444 A JPS5883444 A JP S5883444A
Authority
JP
Japan
Prior art keywords
repeater
signal
output
stage
input
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
JP56180304A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6347167B2 (enExample
Inventor
Yoshiki Higo
肥後　慶樹
Seiji Nakagawa
清司 中川
Yoshiro Hakamata
袴田　吉朗
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
NTT Inc
Original Assignee
NEC Corp
Nippon Telegraph and Telephone 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 Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56180304A priority Critical patent/JPS5883444A/ja
Publication of JPS5883444A publication Critical patent/JPS5883444A/ja
Publication of JPS6347167B2 publication Critical patent/JPS6347167B2/ja
Granted 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
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP56180304A 1981-11-12 1981-11-12 中継伝送系の障害点探索方式 Granted JPS5883444A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56180304A JPS5883444A (ja) 1981-11-12 1981-11-12 中継伝送系の障害点探索方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56180304A JPS5883444A (ja) 1981-11-12 1981-11-12 中継伝送系の障害点探索方式

Publications (2)

Publication Number Publication Date
JPS5883444A true JPS5883444A (ja) 1983-05-19
JPS6347167B2 JPS6347167B2 (enExample) 1988-09-20

Family

ID=16080860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56180304A Granted JPS5883444A (ja) 1981-11-12 1981-11-12 中継伝送系の障害点探索方式

Country Status (1)

Country Link
JP (1) JPS5883444A (enExample)

Also Published As

Publication number Publication date
JPS6347167B2 (enExample) 1988-09-20

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