JPS63142975U - - Google Patents
Info
- Publication number
- JPS63142975U JPS63142975U JP3548387U JP3548387U JPS63142975U JP S63142975 U JPS63142975 U JP S63142975U JP 3548387 U JP3548387 U JP 3548387U JP 3548387 U JP3548387 U JP 3548387U JP S63142975 U JPS63142975 U JP S63142975U
- Authority
- JP
- Japan
- Prior art keywords
- station
- circuit
- central office
- loop
- office line
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3548387U JPS63142975U (fr) | 1987-03-11 | 1987-03-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3548387U JPS63142975U (fr) | 1987-03-11 | 1987-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63142975U true JPS63142975U (fr) | 1988-09-20 |
Family
ID=30845021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3548387U Pending JPS63142975U (fr) | 1987-03-11 | 1987-03-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63142975U (fr) |
-
1987
- 1987-03-11 JP JP3548387U patent/JPS63142975U/ja active Pending