JPS6360944B2 - - Google Patents
Info
- Publication number
- JPS6360944B2 JPS6360944B2 JP20089281A JP20089281A JPS6360944B2 JP S6360944 B2 JPS6360944 B2 JP S6360944B2 JP 20089281 A JP20089281 A JP 20089281A JP 20089281 A JP20089281 A JP 20089281A JP S6360944 B2 JPS6360944 B2 JP S6360944B2
- Authority
- JP
- Japan
- Prior art keywords
- monitoring
- switch circuit
- repeater
- signal
- terminal station
- 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 46
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 230000001172 regenerating effect Effects 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/407—Monitoring; Testing of relay systems without selective localization
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)
- Dc Digital Transmission (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56200892A JPS58103256A (ja) | 1981-12-15 | 1981-12-15 | 伝送路の監視方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56200892A JPS58103256A (ja) | 1981-12-15 | 1981-12-15 | 伝送路の監視方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58103256A JPS58103256A (ja) | 1983-06-20 |
| JPS6360944B2 true JPS6360944B2 (enrdf_load_stackoverflow) | 1988-11-25 |
Family
ID=16431982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56200892A Granted JPS58103256A (ja) | 1981-12-15 | 1981-12-15 | 伝送路の監視方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58103256A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6242242B2 (ja) * | 2014-02-28 | 2017-12-06 | アイホン株式会社 | インターホンシステム |
-
1981
- 1981-12-15 JP JP56200892A patent/JPS58103256A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58103256A (ja) | 1983-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4369523A (en) | Remote control system of an optical repeater | |
| US3860768A (en) | Echo compensation circuit to erase echoes in telephone circuits | |
| US5510925A (en) | Relay transmission system including optical amplification | |
| JP2719654B2 (ja) | 光増幅中継伝送路の監視方式 | |
| JPS6360944B2 (enrdf_load_stackoverflow) | ||
| US7003098B2 (en) | Method and system for measurement of the delay through a network link bounded by an echo canceller | |
| GB654380A (en) | Improvements in or relating to communication systems | |
| JPH05336042A (ja) | 光中継システムの障害点標定方法および装置並びに光中継器 | |
| US20020097788A1 (en) | Node device for a serial databus connecting a number of devices | |
| JPS6223157Y2 (enrdf_load_stackoverflow) | ||
| JPH03258037A (ja) | 光ファイバケーブル監視方式 | |
| JP3024251B2 (ja) | 信号中継方式 | |
| JP2870178B2 (ja) | 光ローカルエリアネツトワーク用リピータ装置 | |
| JP3003774B2 (ja) | Ｐｄｓ構成の光通信システムおよびそのループバック試験方法 | |
| SU566394A2 (ru) | Устройство дл непрерывного контрол качества телефонных каналов дальней св зи | |
| JPS6154293B2 (enrdf_load_stackoverflow) | ||
| SU809652A1 (ru) | Устройство дистанционного тестовогоКОНТРОл | |
| JPH0113260B2 (enrdf_load_stackoverflow) | ||
| JPS6372244A (ja) | 信号中継装置 | |
| JPH0417437A (ja) | 伝送路試験方法及びそのシステム | |
| JPS6399641A (ja) | 双方向通信装置 | |
| JPS5853256A (ja) | デジタル中継伝送路の監視方式 | |
| JPS6313614B2 (enrdf_load_stackoverflow) | ||
| JPS6239935A (ja) | 光バスネツト試験方式 | |
| JPS58162138A (ja) | 中継器の監視方式 |