JPH0411077B2 - - Google Patents
Info
- Publication number
- JPH0411077B2 JPH0411077B2 JP192884A JP192884A JPH0411077B2 JP H0411077 B2 JPH0411077 B2 JP H0411077B2 JP 192884 A JP192884 A JP 192884A JP 192884 A JP192884 A JP 192884A JP H0411077 B2 JPH0411077 B2 JP H0411077B2
- Authority
- JP
- Japan
- Prior art keywords
- test signal
- signal pattern
- pattern
- communication path
- test
- 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 52
- 238000004891 communication Methods 0.000 claims description 28
- 230000000295 complement effect Effects 0.000 claims description 16
- 238000010998 test method Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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
- H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
- H04M3/244—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP192884A JPS60146561A (ja) | 1984-01-11 | 1984-01-11 | 通話路導通試験方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP192884A JPS60146561A (ja) | 1984-01-11 | 1984-01-11 | 通話路導通試験方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60146561A JPS60146561A (ja) | 1985-08-02 |
| JPH0411077B2 true JPH0411077B2 (enrdf_load_stackoverflow) | 1992-02-27 |
Family
ID=11515264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP192884A Granted JPS60146561A (ja) | 1984-01-11 | 1984-01-11 | 通話路導通試験方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60146561A (enrdf_load_stackoverflow) |
-
1984
- 1984-01-11 JP JP192884A patent/JPS60146561A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60146561A (ja) | 1985-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3978285A (en) | Frame synchronizing device | |
| JPH0411077B2 (enrdf_load_stackoverflow) | ||
| JPS61148939A (ja) | フレ−ム同期方式 | |
| JP2949945B2 (ja) | 伝送路切替回路 | |
| JP3063291B2 (ja) | 回線監視回路 | |
| JPS59109867A (ja) | 速度検出装置 | |
| JPH0450777B2 (enrdf_load_stackoverflow) | ||
| JP2524922Y2 (ja) | ブルーシグナル発生器付き多重化装置 | |
| JP2613916B2 (ja) | データ非周期読出し回路 | |
| JP2620170B2 (ja) | 信号断検出回路 | |
| KR100218467B1 (ko) | 전화기 신호 자동인지 장치 | |
| KR100206906B1 (ko) | 타이머/카운터 회로 | |
| SU953717A2 (ru) | Устройство программируемой задержки импульсов | |
| SU815949A1 (ru) | Устройство дл измерени исправл ющейСпОСОбНОСТи пРиЕМНиКА дВОичНыХСигНАлОВ | |
| JPS6158349A (ja) | フレ−ム同期回路 | |
| JPS6137819B2 (enrdf_load_stackoverflow) | ||
| JP2923979B2 (ja) | 周波数検出回路 | |
| JPS59123335A (ja) | ビツト同期検出方法 | |
| JPH06237247A (ja) | データ伝送方式 | |
| JPH0372736A (ja) | フレーム同期方式 | |
| JPH01253337A (ja) | マルチフレーム同期検定回路 | |
| JPS61237543A (ja) | 伝送系監視装置 | |
| JPH0812214B2 (ja) | 相関式時間差計 | |
| JPS6059872A (ja) | フレ−ム同期方式 | |
| JPS61140220A (ja) | パルス信号検出回路 |