JPS5860836A - 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
JPS5860836A
JPS5860836A JP56158608A JP15860881A JPS5860836A JP S5860836 A JPS5860836 A JP S5860836A JP 56158608 A JP56158608 A JP 56158608A JP 15860881 A JP15860881 A JP 15860881A JP S5860836 A JPS5860836 A JP S5860836A
Authority
JP
Japan
Prior art keywords
repeater
stage
fault
output
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
JP56158608A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6347166B2 (enrdf_load_stackoverflow
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
Nippon Telegraph and Telephone Corp
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 JP56158608A priority Critical patent/JPS5860836A/ja
Publication of JPS5860836A publication Critical patent/JPS5860836A/ja
Publication of JPS6347166B2 publication Critical patent/JPS6347166B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/40Monitoring; Testing of relay systems
    • H04B17/401Monitoring; Testing of relay systems with selective localization
    • H04B17/402Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/404Monitoring; 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)
JP56158608A 1981-10-07 1981-10-07 中継伝送系の障害点探索方式 Granted JPS5860836A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56158608A JPS5860836A (ja) 1981-10-07 1981-10-07 中継伝送系の障害点探索方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56158608A JPS5860836A (ja) 1981-10-07 1981-10-07 中継伝送系の障害点探索方式

Publications (2)

Publication Number Publication Date
JPS5860836A true JPS5860836A (ja) 1983-04-11
JPS6347166B2 JPS6347166B2 (enrdf_load_stackoverflow) 1988-09-20

Family

ID=15675417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56158608A Granted JPS5860836A (ja) 1981-10-07 1981-10-07 中継伝送系の障害点探索方式

Country Status (1)

Country Link
JP (1) JPS5860836A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214652A (ja) * 1988-06-30 1990-01-18 Yagi Antenna Co Ltd 高速データ通信のモニタ装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0663347U (ja) * 1992-04-08 1994-09-06 株式会社カック ノ−トファイルのペン取付部構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214652A (ja) * 1988-06-30 1990-01-18 Yagi Antenna Co Ltd 高速データ通信のモニタ装置

Also Published As

Publication number Publication date
JPS6347166B2 (enrdf_load_stackoverflow) 1988-09-20

Similar Documents

Publication Publication Date Title
GB2273623A (en) Supervisory system for an optical transmission system
US2315434A (en) Transmission system
US5510925A (en) Relay transmission system including optical amplification
JP2719654B2 (ja) 光増幅中継伝送路の監視方式
US4700342A (en) Remote repeater in transmission bus system
JPS5860836A (ja) 中継伝送系の障害点探索方式
US2208417A (en) Transmission system
CA1278117C (en) Supervisory system for a primary group digital transmission line
JPS6347167B2 (enrdf_load_stackoverflow)
JP2003046413A (ja) 光伝送路切替システムと光伝送路切替方法
JP2680507B2 (ja) ディジタル形保護継電装置
JP3418211B2 (ja) 等価器の識別装置
JPS59217172A (ja) 雷閃絡鉄塔判別装置
JP3068125B2 (ja) バス型光伝送路用通信局
JPH05344072A (ja) 光中継器
JPS63269634A (ja) 光海底中継器
JPH05227096A (ja) 光中継器遠隔測定方式
JPS58215192A (ja) 制御信号伝送方式
JPS59208950A (ja) ケ−ブル搬送回線の監視回路
JPS6239935A (ja) 光バスネツト試験方式
JPS6169230A (ja) 中継伝送路障害探索方式
JPS59167161A (ja) デイジタル伝送路の障害位置探索方式
JPS6232852B2 (enrdf_load_stackoverflow)
JPH01140825A (ja) Catv中継器
JPS60186141A (ja) 受信機監視方式