JPS5314176B2 - - Google Patents
Info
- Publication number
- JPS5314176B2 JPS5314176B2 JP4796272A JP4796272A JPS5314176B2 JP S5314176 B2 JPS5314176 B2 JP S5314176B2 JP 4796272 A JP4796272 A JP 4796272A JP 4796272 A JP4796272 A JP 4796272A JP S5314176 B2 JPS5314176 B2 JP S5314176B2
- Authority
- JP
- Japan
- 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
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
- Time-Division Multiplex Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4796272A JPS5314176B2 (en) | 1972-05-15 | 1972-05-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4796272A JPS5314176B2 (en) | 1972-05-15 | 1972-05-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4912712A JPS4912712A (en) | 1974-02-04 |
JPS5314176B2 true JPS5314176B2 (en) | 1978-05-16 |
Family
ID=12789955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4796272A Expired JPS5314176B2 (en) | 1972-05-15 | 1972-05-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5314176B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1504897A (en) * | 1974-08-09 | 1978-03-22 | Ericsson L M Pty Ltd | Method for through connection check in digital data systems |
JPS5190215A (en) * | 1975-02-05 | 1976-08-07 | ||
JPS6077565A (en) * | 1983-10-05 | 1985-05-02 | Fujitsu Ltd | Test method of data subscriber circuit |
-
1972
- 1972-05-15 JP JP4796272A patent/JPS5314176B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4912712A (en) | 1974-02-04 |