SE462069B - Signalanordning foer fellokalisering i ett digitaloptiskt oeverfoeringssystem - Google Patents
Signalanordning foer fellokalisering i ett digitaloptiskt oeverfoeringssystemInfo
- Publication number
- SE462069B SE462069B SE8207500A SE8207500A SE462069B SE 462069 B SE462069 B SE 462069B SE 8207500 A SE8207500 A SE 8207500A SE 8207500 A SE8207500 A SE 8207500A SE 462069 B SE462069 B SE 462069B
- Authority
- SE
- Sweden
- Prior art keywords
- switch
- pole
- signal
- point
- fault locating
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0777—Monitoring line amplifier or line repeater equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/04—Channels characterised by the type of signal the signals being represented by different amplitudes or polarities, e.g. quadriplex
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8200002A NL8200002A (nl) | 1982-01-04 | 1982-01-04 | Foutlocalisatie-inrichting voor digitaal optische transmissiesysteem. |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8207500D0 SE8207500D0 (sv) | 1982-12-30 |
SE8207500L SE8207500L (sv) | 1983-07-05 |
SE462069B true SE462069B (sv) | 1990-04-30 |
Family
ID=19839031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8207500A SE462069B (sv) | 1982-01-04 | 1982-12-30 | Signalanordning foer fellokalisering i ett digitaloptiskt oeverfoeringssystem |
Country Status (8)
Country | Link |
---|---|
US (1) | US4534064A (fr) |
JP (1) | JPS58120332A (fr) |
CA (1) | CA1201769A (fr) |
DE (1) | DE3247402C3 (fr) |
FR (1) | FR2519495B1 (fr) |
GB (1) | GB2113036B (fr) |
NL (1) | NL8200002A (fr) |
SE (1) | SE462069B (fr) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02127829A (ja) * | 1988-11-08 | 1990-05-16 | Fujitsu Ltd | 双方向光伝送装置の光断検出回路 |
US5212713A (en) * | 1989-08-09 | 1993-05-18 | Tasman Cable Company | Fault location arrangement for digital transmission systems |
US5267073A (en) * | 1989-10-30 | 1993-11-30 | Pirelli Cavi S.P.A. | Amplifier adapter for optical lines |
GB2242324B (en) * | 1990-03-22 | 1993-09-22 | Stc Plc | Fault location. |
GB9008895D0 (en) * | 1990-04-20 | 1990-06-20 | British Telecomm | Optical communications link fault signalling |
GB2245121B (en) * | 1990-06-16 | 1994-03-16 | Stc Plc | Telemetry |
GB2245122B (en) * | 1990-06-16 | 1994-08-03 | Stc Plc | Telemetry |
GB2245120B (en) * | 1990-06-16 | 1994-03-30 | Stc Plc | Telemetry |
GB2273623B (en) * | 1992-12-15 | 1996-12-04 | Northern Telecom Ltd | Optical transmission system |
GB9515706D0 (en) * | 1995-07-31 | 2009-04-29 | Qinetiq Ltd | Communications System |
US5760940A (en) * | 1995-10-27 | 1998-06-02 | Lucent Technologies Inc. | Methods for monitoring optical path characteristics in an optical communication system |
US5790293A (en) * | 1995-10-27 | 1998-08-04 | Lucent Technologies Inc. | Systems for monitoring optical path characteristics in an optical communication system |
US6246497B1 (en) | 1998-03-12 | 2001-06-12 | Net-Hopper Systems, Inc. | Active optical loop-back system |
US6487620B1 (en) | 1999-06-11 | 2002-11-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Combined low speed and high speed data bus |
GB2362525B (en) * | 2000-05-18 | 2002-07-24 | Marconi Comm Ltd | Radiation power equalization in wavelength division multiplexing (WDM) optical communication system |
GB0130214D0 (en) * | 2001-12-18 | 2002-02-06 | Cit Alcatel | Supervisory signalling for optical communications equipment |
US7702030B2 (en) * | 2003-12-17 | 2010-04-20 | Mindspeed Technologies, Inc. | Module to module signaling with jitter modulation |
US7551852B2 (en) * | 2004-08-10 | 2009-06-23 | Mindspeed Technologies, Inc. | Module to module signaling |
US7583902B2 (en) * | 2004-08-10 | 2009-09-01 | Mindspeed Technologies, Inc. | Module to module signaling utilizing amplitude modulation |
US7504610B2 (en) * | 2004-09-03 | 2009-03-17 | Mindspeed Technologies, Inc. | Optical modulation amplitude compensation system having a laser driver with modulation control signals |
US7853154B2 (en) * | 2006-01-13 | 2010-12-14 | Mindspeed Technologies, Inc. | Bias circuit for burst-mode/TDM systems with power save feature |
US7721012B2 (en) * | 2006-01-18 | 2010-05-18 | Mindspeed Technologies, Inc. | Reprogrammable device address for a serial interface in an optic module |
WO2009055035A2 (fr) * | 2007-10-26 | 2009-04-30 | Mindspeed Technologies, Inc. | Amplificateur à deux étages haute sensibilité |
US8750341B2 (en) * | 2008-01-04 | 2014-06-10 | Mindspeed Technologies, Inc. | Method and apparatus for reducing optical signal speckle |
WO2009145819A2 (fr) | 2008-03-31 | 2009-12-03 | Mindspeed Technologies, Inc. | Réduction de la dissipation de puissance dans des systèmes de projection portables lcos/lcd/dlp |
US8643296B2 (en) | 2010-11-22 | 2014-02-04 | Mindspeed Technologies, Inc. | Color mixing and desaturation with reduced number of converters |
US9107245B2 (en) | 2011-06-09 | 2015-08-11 | Mindspeed Technologies, Inc. | High accuracy, high dynamic range LED/laser driver |
US9385606B2 (en) | 2012-12-03 | 2016-07-05 | M/A-Com Technology Solutions Holdings, Inc. | Automatic buck/boost mode selection system for DC-DC converter |
US10097908B2 (en) | 2014-12-31 | 2018-10-09 | Macom Technology Solutions Holdings, Inc. | DC-coupled laser driver with AC-coupled termination element |
US10044328B2 (en) | 2015-07-20 | 2018-08-07 | Macom Technology Solutions Holdings, Inc. | Transimpedance amplifier with bandwidth extender |
US10263573B2 (en) | 2016-08-30 | 2019-04-16 | Macom Technology Solutions Holdings, Inc. | Driver with distributed architecture |
US10630052B2 (en) | 2017-10-04 | 2020-04-21 | Macom Technology Solutions Holdings, Inc. | Efficiency improved driver for laser diode in optical communication |
AU2018100334A4 (en) * | 2018-03-16 | 2018-05-10 | Oztent Australia Pty. Limited | Thermal pack |
US11005573B2 (en) | 2018-11-20 | 2021-05-11 | Macom Technology Solutions Holdings, Inc. | Optic signal receiver with dynamic control |
US11575437B2 (en) | 2020-01-10 | 2023-02-07 | Macom Technology Solutions Holdings, Inc. | Optimal equalization partitioning |
US11438064B2 (en) | 2020-01-10 | 2022-09-06 | Macom Technology Solutions Holdings, Inc. | Optimal equalization partitioning |
US12013423B2 (en) | 2020-09-30 | 2024-06-18 | Macom Technology Solutions Holdings, Inc. | TIA bandwidth testing system and method |
US11658630B2 (en) | 2020-12-04 | 2023-05-23 | Macom Technology Solutions Holdings, Inc. | Single servo loop controlling an automatic gain control and current sourcing mechanism |
US11616529B2 (en) | 2021-02-12 | 2023-03-28 | Macom Technology Solutions Holdings, Inc. | Adaptive cable equalizer |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB276587A (en) * | 1927-03-31 | 1927-09-01 | Thorvald Christian Valdemar Ni | Improvements in or relating to telegraph circuits for diplex and quadruplex working |
US1922139A (en) * | 1932-09-07 | 1933-08-15 | American Telephone & Telegraph | Telegraph system for submarine cables |
GB1036009A (en) * | 1963-12-04 | 1966-07-13 | British Aircraft Corp Ltd | Improvements in or relating to signal transmission |
US3406343A (en) * | 1965-07-01 | 1968-10-15 | Rca Corp | Pm/am multiplex communication |
GB1310509A (en) * | 1969-06-06 | 1973-03-21 | Plessey Telecommunications Res | Multiplex electrical signalling systems |
DE2554718C2 (de) * | 1975-12-05 | 1982-11-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur Fehlerortsbestimmung |
DE2622660C3 (de) * | 1976-05-20 | 1979-08-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung zur Übertragung binärer Signalströme |
GB1565764A (en) * | 1978-02-02 | 1980-04-23 | Standard Telephones Cables Ltd | Optical fibre digital transmission systems |
JPS54112104A (en) * | 1978-02-23 | 1979-09-01 | Fujitsu Ltd | Superposition system for supervisory signal |
GB1582726A (en) * | 1978-05-31 | 1981-01-14 | Standard Telephones Cables Ltd | Avalanche photodetector demodulation |
JPS5523612A (en) * | 1978-08-07 | 1980-02-20 | Kokusai Denshin Denwa Co Ltd <Kdd> | Detection system of faulty position of optical fiber transmission system |
JPS55132152A (en) * | 1979-04-02 | 1980-10-14 | Nec Corp | Light repeater |
US4406513A (en) * | 1981-03-11 | 1983-09-27 | Cermetek, Inc. | Optical repeater system having an automatic optical by-pass |
US4420842A (en) * | 1981-07-29 | 1983-12-13 | Kuhn Loughrey R | Fiber optic digital data transmitting system |
DE3137497A1 (de) * | 1981-09-21 | 1983-04-07 | Siemens Ag | Optisches uebertragungssystem fuer hochfrequente digitale signale |
-
1982
- 1982-01-04 NL NL8200002A patent/NL8200002A/nl not_active Application Discontinuation
- 1982-12-22 DE DE3247402A patent/DE3247402C3/de not_active Expired - Fee Related
- 1982-12-23 GB GB08236673A patent/GB2113036B/en not_active Expired
- 1982-12-24 CA CA000418651A patent/CA1201769A/fr not_active Expired
- 1982-12-27 US US06/453,324 patent/US4534064A/en not_active Expired - Lifetime
- 1982-12-28 JP JP57235157A patent/JPS58120332A/ja active Granted
- 1982-12-30 SE SE8207500A patent/SE462069B/sv not_active IP Right Cessation
-
1983
- 1983-01-03 FR FR8300008A patent/FR2519495B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4534064A (en) | 1985-08-06 |
JPH0340982B2 (fr) | 1991-06-20 |
FR2519495B1 (fr) | 1985-07-12 |
SE8207500L (sv) | 1983-07-05 |
FR2519495A1 (fr) | 1983-07-08 |
DE3247402C2 (fr) | 1994-07-14 |
CA1201769A (fr) | 1986-03-11 |
DE3247402A1 (de) | 1983-07-14 |
SE8207500D0 (sv) | 1982-12-30 |
DE3247402C3 (de) | 1994-07-14 |
GB2113036A (en) | 1983-07-27 |
GB2113036B (en) | 1985-07-24 |
JPS58120332A (ja) | 1983-07-18 |
NL8200002A (nl) | 1983-08-01 |
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