JPS5418881B2 - - Google Patents
Info
- Publication number
- JPS5418881B2 JPS5418881B2 JP4137673A JP4137673A JPS5418881B2 JP S5418881 B2 JPS5418881 B2 JP S5418881B2 JP 4137673 A JP4137673 A JP 4137673A JP 4137673 A JP4137673 A JP 4137673A JP S5418881 B2 JPS5418881 B2 JP S5418881B2
- 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
- Time-Division Multiplex Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Interface Circuits In 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 |
---|---|---|---|
JP4137673A JPS5418881B2 (de) | 1973-04-13 | 1973-04-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4137673A JPS5418881B2 (de) | 1973-04-13 | 1973-04-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS49130116A JPS49130116A (de) | 1974-12-13 |
JPS5418881B2 true JPS5418881B2 (de) | 1979-07-11 |
Family
ID=12606679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4137673A Expired JPS5418881B2 (de) | 1973-04-13 | 1973-04-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5418881B2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0532477Y2 (de) * | 1987-05-19 | 1993-08-19 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS554183A (en) * | 1978-06-27 | 1980-01-12 | Fujitsu Ltd | Circuit control system |
JPS63290433A (ja) * | 1987-05-22 | 1988-11-28 | Nec Corp | ディジタル交換機の保守端末接続方式 |
JPS63316544A (ja) * | 1987-06-18 | 1988-12-23 | Nec Corp | デ−タ通信試験方式 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3492435A (en) * | 1965-08-07 | 1970-01-27 | Bell Telephone Labor Inc | Four-wire concentrator without separate control path |
-
1973
- 1973-04-13 JP JP4137673A patent/JPS5418881B2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3492435A (en) * | 1965-08-07 | 1970-01-27 | Bell Telephone Labor Inc | Four-wire concentrator without separate control path |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0532477Y2 (de) * | 1987-05-19 | 1993-08-19 |
Also Published As
Publication number | Publication date |
---|---|
JPS49130116A (de) | 1974-12-13 |