JPS56147549A - Line test system - Google Patents
Line test systemInfo
- Publication number
- JPS56147549A JPS56147549A JP5212180A JP5212180A JPS56147549A JP S56147549 A JPS56147549 A JP S56147549A JP 5212180 A JP5212180 A JP 5212180A JP 5212180 A JP5212180 A JP 5212180A JP S56147549 A JPS56147549 A JP S56147549A
- Authority
- JP
- Japan
- Prior art keywords
- test
- line
- usage
- devices
- testers
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5212180A JPS56147549A (en) | 1980-04-18 | 1980-04-18 | Line test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5212180A JPS56147549A (en) | 1980-04-18 | 1980-04-18 | Line test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56147549A true JPS56147549A (en) | 1981-11-16 |
| JPS6329468B2 JPS6329468B2 (enExample) | 1988-06-14 |
Family
ID=12906035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5212180A Granted JPS56147549A (en) | 1980-04-18 | 1980-04-18 | Line test system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56147549A (enExample) |
-
1980
- 1980-04-18 JP JP5212180A patent/JPS56147549A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6329468B2 (enExample) | 1988-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5792948A (en) | Loop data transmission system | |
| JPS56147549A (en) | Line test system | |
| JPS5621443A (en) | Transmission unit | |
| JPS533718A (en) | Fault test system of terminal station in time division multiple connecting communication system | |
| JPS57776A (en) | Display system for status | |
| JPS5783950A (en) | Packet branching and inserting device | |
| JPS56123701A (en) | Automatic test device of vehicle | |
| JPS57103460A (en) | Connection system for test | |
| JPS5758439A (en) | Data transmission device | |
| JPS53131705A (en) | Automatic telephone exchange system | |
| JPS53142110A (en) | Automatic test system for subscriber circuit | |
| JPS56132844A (en) | Communication controlling device | |
| JPS52112088A (en) | Defect diagnosing device of remote supervision control system | |
| JPS57111886A (en) | Buffer memory controller having test function | |
| JPS52101906A (en) | Battery detecting type current switching scanning method | |
| JPS5397716A (en) | Automatic return system for pcm relay transmission line | |
| JPS53101241A (en) | Transmission control device | |
| JPS56122260A (en) | Artificial call test system | |
| JPS5342508A (en) | Automatic test system for telephone lines | |
| JPS53130936A (en) | Simple memory card tester | |
| JPS52109303A (en) | By-pass change-over system | |
| JPS5279950A (en) | Automatic testing equipment | |
| JPS54114103A (en) | Multiple data transmission method | |
| JPS5567265A (en) | Test system of automatic calling circuit | |
| JPS56122560A (en) | Auxiliary system testing system |