JPH0469989U - - Google Patents
Info
- Publication number
- JPH0469989U JPH0469989U JP11398490U JP11398490U JPH0469989U JP H0469989 U JPH0469989 U JP H0469989U JP 11398490 U JP11398490 U JP 11398490U JP 11398490 U JP11398490 U JP 11398490U JP H0469989 U JPH0469989 U JP H0469989U
- Authority
- JP
- Japan
- Prior art keywords
- exchange
- subscriber
- side device
- line
- control
- 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
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (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 |
---|---|---|---|
JP11398490U JPH0469989U (en, 2012) | 1990-10-30 | 1990-10-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11398490U JPH0469989U (en, 2012) | 1990-10-30 | 1990-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0469989U true JPH0469989U (en, 2012) | 1992-06-22 |
Family
ID=31861619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11398490U Pending JPH0469989U (en, 2012) | 1990-10-30 | 1990-10-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0469989U (en, 2012) |
-
1990
- 1990-10-30 JP JP11398490U patent/JPH0469989U/ja active Pending
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