JP2535846Y2 - 電話交換システムの外線インタフェース - Google Patents
電話交換システムの外線インタフェースInfo
- Publication number
- JP2535846Y2 JP2535846Y2 JP1990097197U JP9719790U JP2535846Y2 JP 2535846 Y2 JP2535846 Y2 JP 2535846Y2 JP 1990097197 U JP1990097197 U JP 1990097197U JP 9719790 U JP9719790 U JP 9719790U JP 2535846 Y2 JP2535846 Y2 JP 2535846Y2
- Authority
- JP
- Japan
- Prior art keywords
- external line
- line interface
- external
- line
- dial
- 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
- 238000000034 method Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990097197U JP2535846Y2 (ja) | 1990-09-14 | 1990-09-14 | 電話交換システムの外線インタフェース |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990097197U JP2535846Y2 (ja) | 1990-09-14 | 1990-09-14 | 電話交換システムの外線インタフェース |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0455884U JPH0455884U (cs) | 1992-05-13 |
| JP2535846Y2 true JP2535846Y2 (ja) | 1997-05-14 |
Family
ID=31837359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990097197U Expired - Lifetime JP2535846Y2 (ja) | 1990-09-14 | 1990-09-14 | 電話交換システムの外線インタフェース |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2535846Y2 (cs) |
-
1990
- 1990-09-14 JP JP1990097197U patent/JP2535846Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455884U (cs) | 1992-05-13 |
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