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 (en) | 1976-11-23 | 1976-11-23 | Address-free fault location method for transmission links for digital signals and arrangement for carrying out this method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5365614A JPS5365614A (en) | 1978-06-12 |
| JPS5745106B2 true JPS5745106B2 (en) | 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 (en) |
| BE (1) | BE861114A (en) |
| CH (1) | CH626762A5 (en) |
| DE (1) | DE2653201B2 (en) |
| FR (1) | FR2371830A1 (en) |
| GB (1) | GB1551172A (en) |
| IT (1) | IT1088122B (en) |
| NL (1) | NL180555C (en) |
| SE (1) | SE419151B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2904057A1 (en) | 1979-02-02 | 1980-08-07 | Siemens Ag | ADDRESS-FREE ERROR LOCATION BY LOOP FOR MESSAGE TRANSMISSION ROUTES |
| DE2942410A1 (en) * | 1979-10-19 | 1981-05-07 | Siemens AG, 1000 Berlin und 8000 München | ADDRESS-FREE ERROR LOCATION BY LOOP IN A MESSAGE ROUTE |
| DE3003516A1 (en) * | 1980-01-31 | 1981-08-06 | Siemens AG, 1000 Berlin und 8000 München | CIRCUIT ARRANGEMENT FOR FORMING A LOOP IN AN INTERMEDIATE REGENERATOR OF A PCM SYSTEM |
| DE3015827C2 (en) * | 1980-04-24 | 1982-02-18 | Siemens AG, 1000 Berlin und 8000 München | Transmission system for digital signals with a device for fault location |
| FR2486335B1 (en) * | 1980-07-02 | 1988-03-11 | Telecommunications Sa | STEP-BY-STEP TELELOCATION INSTALLATION OF INTERMEDIATE AMPLIFICATION CIRCUITS OF A MIC LINK |
| DE3207397C2 (en) * | 1982-03-05 | 1987-03-26 | kabelmetal electro GmbH, 3000 Hannover | Method for monitoring the functionality of a digital transmission link |
| DE3532336A1 (en) * | 1985-09-11 | 1987-03-19 | Siemens Ag | MESSAGE TRANSMISSION SYSTEM WITH MONITORING IN ACCORDANCE WITH THE ISM LOCATION PROCEDURE |
| 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 (en) * | 1971-07-12 | 1979-06-21 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Method for determining errors in the intermediate points provided with regenerators of a transmission system operating with pulse code modulation |
-
1976
- 1976-11-23 DE DE2653201A patent/DE2653201B2/en active Granted
-
1977
- 1977-11-08 CH CH1356677A patent/CH626762A5/en not_active IP Right Cessation
- 1977-11-09 SE SE7712665A patent/SE419151B/en not_active IP Right Cessation
- 1977-11-15 IT IT29678/77A patent/IT1088122B/en active
- 1977-11-15 FR FR7734253A patent/FR2371830A1/en active Granted
- 1977-11-17 JP JP13839677A patent/JPS5365614A/en active Granted
- 1977-11-22 NL NLAANVRAGE7712866,A patent/NL180555C/en not_active IP Right Cessation
- 1977-11-22 GB GB48476/77A patent/GB1551172A/en not_active Expired
- 1977-11-23 BE BE182865A patent/BE861114A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH626762A5 (en) | 1981-11-30 |
| DE2653201B2 (en) | 1978-08-31 |
| NL180555B (en) | 1986-10-01 |
| JPS5365614A (en) | 1978-06-12 |
| FR2371830A1 (en) | 1978-06-16 |
| SE7712665L (en) | 1978-05-24 |
| DE2653201A1 (en) | 1978-05-24 |
| GB1551172A (en) | 1979-08-22 |
| SE419151B (en) | 1981-07-13 |
| IT1088122B (en) | 1985-06-10 |
| NL180555C (en) | 1987-03-02 |
| DE2653201C3 (en) | 1979-04-26 |
| BE861114A (en) | 1978-03-16 |
| NL7712866A (en) | 1978-05-25 |
| FR2371830B1 (en) | 1982-11-19 |