GB2243056B - Repeater supervision - Google Patents
Repeater supervisionInfo
- Publication number
- GB2243056B GB2243056B GB9008219A GB9008219A GB2243056B GB 2243056 B GB2243056 B GB 2243056B GB 9008219 A GB9008219 A GB 9008219A GB 9008219 A GB9008219 A GB 9008219A GB 2243056 B GB2243056 B GB 2243056B
- Authority
- GB
- United Kingdom
- Prior art keywords
- repeater
- supervision
- repeater supervision
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
- H04L1/245—Testing correct operation by using the properties of transmission codes
- H04L1/246—Testing correct operation by using the properties of transmission codes two-level transmission codes, e.g. binary
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
- H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Optical Communication System (AREA)
- Detection And Correction Of Errors (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9008219A GB2243056B (en) | 1990-04-11 | 1990-04-11 | Repeater supervision |
FR9104369A FR2661058B1 (en) | 1990-04-11 | 1991-04-10 | SIGNALING ASSEMBLY AND METHOD FOR MONITORING TELECOMMUNICATION REPEATERS. |
JP3106717A JPH04227358A (en) | 1990-04-11 | 1991-04-11 | Repeater monitor |
US07/927,380 US5271035A (en) | 1990-04-11 | 1992-08-10 | Repeater supervision |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9008219A GB2243056B (en) | 1990-04-11 | 1990-04-11 | Repeater supervision |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9008219D0 GB9008219D0 (en) | 1990-06-13 |
GB2243056A GB2243056A (en) | 1991-10-16 |
GB2243056B true GB2243056B (en) | 1994-03-30 |
Family
ID=10674282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9008219A Expired - Fee Related GB2243056B (en) | 1990-04-11 | 1990-04-11 | Repeater supervision |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH04227358A (en) |
FR (1) | FR2661058B1 (en) |
GB (1) | GB2243056B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2047251C (en) * | 1990-07-18 | 1995-07-18 | Daisuke Ishii | Radio communication apparatus which can be tested by radio and optical test signals |
JPH07177130A (en) * | 1993-12-21 | 1995-07-14 | Fujitsu Ltd | Error count circuit |
US7043160B1 (en) * | 2000-08-28 | 2006-05-09 | Nortel Networks Limited | Method, system and signal for carrying overhead information in a transport network employing photonic switching nodes |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2039447A (en) * | 1979-01-09 | 1980-08-06 | Telecommunications Sa | Low-frequency supplementary information transmitting arrangement for a digital data transmission system |
GB2116403A (en) * | 1982-03-01 | 1983-09-21 | British Broadcasting Corp | Improvements relating to digital data transmission |
GB2183973A (en) * | 1985-10-18 | 1987-06-10 | Kokusai Denshin Denwa Co Ltd | Monitoring control system for digital transmission line |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4065915A (en) * | 1973-06-11 | 1978-01-03 | Farnbach John S | Binary counting system |
GB2016245A (en) * | 1978-02-20 | 1979-09-19 | Smiths Industries Ltd | Decoding arrangements for digital data |
DE3047239C2 (en) * | 1980-12-16 | 1982-12-30 | Wandel & Goltermann Gmbh & Co, 7412 Eningen | Method and circuit arrangement for measuring the quality of digital transmission links and devices |
JPS60124153U (en) * | 1984-01-31 | 1985-08-21 | パイオニア株式会社 | Data signal reading device |
US4897860A (en) * | 1988-03-02 | 1990-01-30 | Dallas Semiconductor Corporation | Programmable time base circuit with protected internal calibration |
-
1990
- 1990-04-11 GB GB9008219A patent/GB2243056B/en not_active Expired - Fee Related
-
1991
- 1991-04-10 FR FR9104369A patent/FR2661058B1/en not_active Expired - Fee Related
- 1991-04-11 JP JP3106717A patent/JPH04227358A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2039447A (en) * | 1979-01-09 | 1980-08-06 | Telecommunications Sa | Low-frequency supplementary information transmitting arrangement for a digital data transmission system |
GB2116403A (en) * | 1982-03-01 | 1983-09-21 | British Broadcasting Corp | Improvements relating to digital data transmission |
GB2183973A (en) * | 1985-10-18 | 1987-06-10 | Kokusai Denshin Denwa Co Ltd | Monitoring control system for digital transmission line |
Also Published As
Publication number | Publication date |
---|---|
GB2243056A (en) | 1991-10-16 |
FR2661058B1 (en) | 1993-04-23 |
GB9008219D0 (en) | 1990-06-13 |
JPH04227358A (en) | 1992-08-17 |
FR2661058A1 (en) | 1991-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020411 |