JPS58146194A - 加入者線路監視方式 - Google Patents
加入者線路監視方式Info
- Publication number
- JPS58146194A JPS58146194A JP2842382A JP2842382A JPS58146194A JP S58146194 A JPS58146194 A JP S58146194A JP 2842382 A JP2842382 A JP 2842382A JP 2842382 A JP2842382 A JP 2842382A JP S58146194 A JPS58146194 A JP S58146194A
- Authority
- JP
- Japan
- Prior art keywords
- line
- subscriber line
- relay
- signal relay
- subscriber
- 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
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2842382A JPS58146194A (ja) | 1982-02-24 | 1982-02-24 | 加入者線路監視方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2842382A JPS58146194A (ja) | 1982-02-24 | 1982-02-24 | 加入者線路監視方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58146194A true JPS58146194A (ja) | 1983-08-31 |
| JPH0230620B2 JPH0230620B2 (2) | 1990-07-09 |
Family
ID=12248245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2842382A Granted JPS58146194A (ja) | 1982-02-24 | 1982-02-24 | 加入者線路監視方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58146194A (2) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0213340U (2) * | 1988-07-06 | 1990-01-26 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS519313A (ja) * | 1974-07-11 | 1976-01-26 | Fujitsu Ltd | Ruupukanshihoshiki |
| JPS54175215U (2) * | 1978-05-30 | 1979-12-11 |
-
1982
- 1982-02-24 JP JP2842382A patent/JPS58146194A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS519313A (ja) * | 1974-07-11 | 1976-01-26 | Fujitsu Ltd | Ruupukanshihoshiki |
| JPS54175215U (2) * | 1978-05-30 | 1979-12-11 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0213340U (2) * | 1988-07-06 | 1990-01-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0230620B2 (2) | 1990-07-09 |
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