JPH0214828B2 - - Google Patents
Info
- Publication number
- JPH0214828B2 JPH0214828B2 JP56141178A JP14117881A JPH0214828B2 JP H0214828 B2 JPH0214828 B2 JP H0214828B2 JP 56141178 A JP56141178 A JP 56141178A JP 14117881 A JP14117881 A JP 14117881A JP H0214828 B2 JPH0214828 B2 JP H0214828B2
- Authority
- JP
- Japan
- Prior art keywords
- trunk
- time division
- division switch
- test
- tone
- 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 - Lifetime
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
- H04M3/24—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)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14117881A JPS5842395A (ja) | 1981-09-08 | 1981-09-08 | テストトランク機能の実現方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14117881A JPS5842395A (ja) | 1981-09-08 | 1981-09-08 | テストトランク機能の実現方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5842395A JPS5842395A (ja) | 1983-03-11 |
JPH0214828B2 true JPH0214828B2 (enrdf_load_stackoverflow) | 1990-04-10 |
Family
ID=15285954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14117881A Granted JPS5842395A (ja) | 1981-09-08 | 1981-09-08 | テストトランク機能の実現方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5842395A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59183571A (ja) * | 1983-04-01 | 1984-10-18 | Iwatsu Electric Co Ltd | ハイウェイを用いる交換機におけるトーン断続方式 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5577267A (en) * | 1978-12-07 | 1980-06-10 | Toshiba Corp | Channel test system |
JPS5685965A (en) * | 1979-12-14 | 1981-07-13 | Fujitsu Ltd | Time sharing channel test method |
-
1981
- 1981-09-08 JP JP14117881A patent/JPS5842395A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5842395A (ja) | 1983-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3952172A (en) | Telephone call simulator | |
US3335226A (en) | Combined telephone and data switching system | |
AU673763B2 (en) | Mobile radio network | |
JPS595767A (ja) | ト−ン検出形接続切換方式 | |
US4081613A (en) | Bi-directional signalling arrangement for telecommunications systems | |
US4538033A (en) | Data bridge with gating and/or testing | |
JPH0214828B2 (enrdf_load_stackoverflow) | ||
US4075430A (en) | Line signalling over common highway for telecommunications system | |
US2770678A (en) | Automatic telephone exchange systems | |
US4188509A (en) | Tone signalling arrangement for a telecommunications exchange | |
US3940564A (en) | Time division multiplex system with conference link | |
US3904831A (en) | Tone control arrangement for electronic PABX | |
US4038498A (en) | Central office switching system with remote line switch | |
US1688656A (en) | Automatic telephone system | |
JP3225587B2 (ja) | 構内自動交換機 | |
JPH0317266B2 (enrdf_load_stackoverflow) | ||
JPH0316059B2 (enrdf_load_stackoverflow) | ||
US4025727A (en) | Balanced tone application system | |
SU1160601A1 (ru) | Абонентское переговорное устройство | |
JP3106591B2 (ja) | 加入者試験接続方式 | |
SU1061289A2 (ru) | Абонентское устройство квазиэлектронной АТС малой емкости | |
US3087023A (en) | Two hundred line connector switch | |
US2802058A (en) | Automatic exchange systems | |
US2880283A (en) | Trunk-test apparatus | |
JPS6320067B2 (enrdf_load_stackoverflow) |