JPH0431861U - - Google Patents
Info
- Publication number
- JPH0431861U JPH0431861U JP7229290U JP7229290U JPH0431861U JP H0431861 U JPH0431861 U JP H0431861U JP 7229290 U JP7229290 U JP 7229290U JP 7229290 U JP7229290 U JP 7229290U JP H0431861 U JPH0431861 U JP H0431861U
- Authority
- JP
- Japan
- Prior art keywords
- main device
- telephone
- line
- module jacks
- module
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7229290U JP2521616Y2 (ja) | 1990-07-09 | 1990-07-09 | システム電話装置の故障判定器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7229290U JP2521616Y2 (ja) | 1990-07-09 | 1990-07-09 | システム電話装置の故障判定器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0431861U true JPH0431861U (enExample) | 1992-03-16 |
| JP2521616Y2 JP2521616Y2 (ja) | 1996-12-25 |
Family
ID=31610105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7229290U Expired - Lifetime JP2521616Y2 (ja) | 1990-07-09 | 1990-07-09 | システム電話装置の故障判定器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2521616Y2 (enExample) |
-
1990
- 1990-07-09 JP JP7229290U patent/JP2521616Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2521616Y2 (ja) | 1996-12-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |