JPS5745106B2 - - Google Patents
Info
- Publication number
- JPS5745106B2 JPS5745106B2 JP52138396A JP13839677A JPS5745106B2 JP S5745106 B2 JPS5745106 B2 JP S5745106B2 JP 52138396 A JP52138396 A JP 52138396A JP 13839677 A JP13839677 A JP 13839677A JP S5745106 B2 JPS5745106 B2 JP S5745106B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/407—Monitoring; Testing of relay systems without selective localization
- H04B17/408—Monitoring; Testing of relay systems without selective localization using successive loop-backs
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2653201A DE2653201B2 (de) | 1976-11-23 | 1976-11-23 | Adressenfreies Fehlerortungsverfahren für Übertragungsstrecken digitaler Signale und Anordnung zur Durchführung dieses Verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5365614A JPS5365614A (en) | 1978-06-12 |
| JPS5745106B2 true JPS5745106B2 (xx) | 1982-09-25 |
Family
ID=5993784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13839677A Granted JPS5365614A (en) | 1976-11-23 | 1977-11-17 | Method of and device for determining nonnaddress trouble point in digital signal transmission zone |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5365614A (xx) |
| BE (1) | BE861114A (xx) |
| CH (1) | CH626762A5 (xx) |
| DE (1) | DE2653201B2 (xx) |
| FR (1) | FR2371830A1 (xx) |
| GB (1) | GB1551172A (xx) |
| IT (1) | IT1088122B (xx) |
| NL (1) | NL180555C (xx) |
| SE (1) | SE419151B (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2904057A1 (de) * | 1979-02-02 | 1980-08-07 | Siemens Ag | Adressenfreie fehlerortung mittels schleifenschluss fuer nachrichtenuebertragungsstrecken |
| DE2942410A1 (de) * | 1979-10-19 | 1981-05-07 | Siemens AG, 1000 Berlin und 8000 München | Adressenfreie fehlerortung mittels schleifenschluss in einer nachrichtenuebertragungsstrecke |
| DE3003516A1 (de) * | 1980-01-31 | 1981-08-06 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur bildung eines schleifenschlusses in einem zwischenregenerator eines pcm-systems |
| DE3015827C2 (de) * | 1980-04-24 | 1982-02-18 | Siemens AG, 1000 Berlin und 8000 München | Übertragungssystem für digitale Signale mit einer Einrichtung zur Fehlerortung |
| FR2486335B1 (fr) * | 1980-07-02 | 1988-03-11 | Telecommunications Sa | Installation de telelocalisation pas-a-pas de circuits d'amplification intermediaires d'une liaison mic |
| DE3207397C2 (de) * | 1982-03-05 | 1987-03-26 | kabelmetal electro GmbH, 3000 Hannover | Verfahren zur Überwachung der Funktionsfähigkeit einer digitalen Übertragungsstrecke |
| DE3532336A1 (de) * | 1985-09-11 | 1987-03-19 | Siemens Ag | Nachrichtenuebertragungsanlage mit ueberwachung nach dem ism-ortungsverfahren |
| US5422876A (en) * | 1993-09-07 | 1995-06-06 | Southwestern Bell Technology Resources, Inc. | Out-of-band loopback control scheme |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2134783C3 (de) * | 1971-07-12 | 1979-06-21 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Ermittlung von Fehlern in den mit Regeneratoren versehenen Zwischenstellen eines mit Pulscodemodulation arbeitenden Übertragungssystems |
-
1976
- 1976-11-23 DE DE2653201A patent/DE2653201B2/de active Granted
-
1977
- 1977-11-08 CH CH1356677A patent/CH626762A5/de not_active IP Right Cessation
- 1977-11-09 SE SE7712665A patent/SE419151B/sv not_active IP Right Cessation
- 1977-11-15 IT IT29678/77A patent/IT1088122B/it active
- 1977-11-15 FR FR7734253A patent/FR2371830A1/fr active Granted
- 1977-11-17 JP JP13839677A patent/JPS5365614A/ja active Granted
- 1977-11-22 GB GB48476/77A patent/GB1551172A/en not_active Expired
- 1977-11-22 NL NLAANVRAGE7712866,A patent/NL180555C/xx not_active IP Right Cessation
- 1977-11-23 BE BE182865A patent/BE861114A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2371830A1 (fr) | 1978-06-16 |
| CH626762A5 (en) | 1981-11-30 |
| IT1088122B (it) | 1985-06-10 |
| DE2653201C3 (xx) | 1979-04-26 |
| NL180555B (nl) | 1986-10-01 |
| SE419151B (sv) | 1981-07-13 |
| BE861114A (fr) | 1978-03-16 |
| DE2653201A1 (de) | 1978-05-24 |
| NL180555C (nl) | 1987-03-02 |
| JPS5365614A (en) | 1978-06-12 |
| GB1551172A (en) | 1979-08-22 |
| NL7712866A (nl) | 1978-05-25 |
| SE7712665L (sv) | 1978-05-24 |
| DE2653201B2 (de) | 1978-08-31 |
| FR2371830B1 (xx) | 1982-11-19 |