JPH0371830B2 - - Google Patents
Info
- Publication number
- JPH0371830B2 JPH0371830B2 JP27648185A JP27648185A JPH0371830B2 JP H0371830 B2 JPH0371830 B2 JP H0371830B2 JP 27648185 A JP27648185 A JP 27648185A JP 27648185 A JP27648185 A JP 27648185A JP H0371830 B2 JPH0371830 B2 JP H0371830B2
- Authority
- JP
- Japan
- Prior art keywords
- line
- test
- transmission
- selection signal
- circuit
- 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
- 238000012360 testing method Methods 0.000 claims description 49
- 230000005540 biological transmission Effects 0.000 claims description 31
- 238000004891 communication Methods 0.000 claims description 21
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 238000010998 test method Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 description 8
- 230000004308 accommodation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27648185A JPS62136156A (ja) | 1985-12-09 | 1985-12-09 | 回線折返し試験方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27648185A JPS62136156A (ja) | 1985-12-09 | 1985-12-09 | 回線折返し試験方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62136156A JPS62136156A (ja) | 1987-06-19 |
| JPH0371830B2 true JPH0371830B2 (pt) | 1991-11-14 |
Family
ID=17570052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27648185A Granted JPS62136156A (ja) | 1985-12-09 | 1985-12-09 | 回線折返し試験方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62136156A (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0761101B2 (ja) * | 1988-09-19 | 1995-06-28 | 日本電気株式会社 | 帯域内信号伝送システム |
| JPH0761102B2 (ja) * | 1988-10-21 | 1995-06-28 | 日本電気株式会社 | 帯域内信号装置 |
-
1985
- 1985-12-09 JP JP27648185A patent/JPS62136156A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62136156A (ja) | 1987-06-19 |
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