JPS6258183B2 - - Google Patents
Info
- Publication number
- JPS6258183B2 JPS6258183B2 JP17844182A JP17844182A JPS6258183B2 JP S6258183 B2 JPS6258183 B2 JP S6258183B2 JP 17844182 A JP17844182 A JP 17844182A JP 17844182 A JP17844182 A JP 17844182A JP S6258183 B2 JPS6258183 B2 JP S6258183B2
- Authority
- JP
- Japan
- Prior art keywords
- repeater
- remote location
- line
- sent
- detecting
- 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.)
- Expired
Links
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000012360 testing method Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57178441A JPS5970029A (ja) | 1982-10-13 | 1982-10-13 | 中継器監視回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57178441A JPS5970029A (ja) | 1982-10-13 | 1982-10-13 | 中継器監視回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5970029A JPS5970029A (ja) | 1984-04-20 |
JPS6258183B2 true JPS6258183B2 (en]) | 1987-12-04 |
Family
ID=16048570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57178441A Granted JPS5970029A (ja) | 1982-10-13 | 1982-10-13 | 中継器監視回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5970029A (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0227883U (en]) * | 1988-08-08 | 1990-02-22 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0246877A3 (en) * | 1986-05-20 | 1989-02-01 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust timing control device for two-cycle engines |
JPH077933B2 (ja) * | 1988-05-20 | 1995-01-30 | 富士通株式会社 | デジタル伝送装置 |
-
1982
- 1982-10-13 JP JP57178441A patent/JPS5970029A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0227883U (en]) * | 1988-08-08 | 1990-02-22 |
Also Published As
Publication number | Publication date |
---|---|
JPS5970029A (ja) | 1984-04-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4435704A (en) | Loop transmission system | |
GB2194713A (en) | Method of restoring transmission | |
US4122358A (en) | Supervisory system for a data transmission system | |
JPS6258183B2 (en]) | ||
JPS5967755A (ja) | 中継系の保守試験方式 | |
JPS6046650A (ja) | 通信回線制御方式 | |
JPS6244742B2 (en]) | ||
JPS61228742A (ja) | 遠方監視制御装置 | |
JPS5821470B2 (ja) | 切分試験方法 | |
JP2995356B2 (ja) | 障害検出方式 | |
JPS5981949A (ja) | デ−タ伝送装置 | |
JPH05292067A (ja) | 冗長構成制御方法 | |
JPH08163771A (ja) | ループ伝送路を用いた電流差動継電装置における装置ロック制御方式 | |
JPS61247217A (ja) | 差動保護継電系統の自動点検装置 | |
JP3036260U (ja) | 2元形軌道回路受信器 | |
JP3484667B2 (ja) | 回線監視システム | |
JPS5881357A (ja) | 通信制御装置の予備切替方式 | |
JPH0113665B2 (en]) | ||
JPS6298835A (ja) | 監視制御システム | |
JPS60106233A (ja) | 伝送路切替装置 | |
JPH0342951A (ja) | 加入者線中継装置保守方式 | |
JPS58112428A (ja) | 遠方監視制御装置におけるインタロツク信号切替方式 | |
JPS61290855A (ja) | フアクシミリ応答リンク装置 | |
JPS60237806A (ja) | 列車制御・列車運転情報伝送装置 | |
JPS5919659B2 (ja) | 試験用ハイウェイ選択方式 |