BE489469A - - Google Patents
Info
- Publication number
- BE489469A BE489469A BE489469DA BE489469A BE 489469 A BE489469 A BE 489469A BE 489469D A BE489469D A BE 489469DA BE 489469 A BE489469 A BE 489469A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- test
- circuit
- pads
- line
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE489469A true BE489469A (en:Method) |
Family
ID=134406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE489469D BE489469A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE489469A (en:Method) |
-
0
- BE BE489469D patent/BE489469A/fr unknown
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