DE69310276D1 - Betriebssichere automatische Abschaltvorrichtung und Verfahren für ein optisches Übertragungssystem mit hoher Ausgangsleitung - Google Patents
Betriebssichere automatische Abschaltvorrichtung und Verfahren für ein optisches Übertragungssystem mit hoher AusgangsleitungInfo
- Publication number
- DE69310276D1 DE69310276D1 DE69310276T DE69310276T DE69310276D1 DE 69310276 D1 DE69310276 D1 DE 69310276D1 DE 69310276 T DE69310276 T DE 69310276T DE 69310276 T DE69310276 T DE 69310276T DE 69310276 D1 DE69310276 D1 DE 69310276D1
- Authority
- DE
- Germany
- Prior art keywords
- cable
- amplifier
- amplifiers
- optical fiber
- adjacent
- 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 - Lifetime
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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/293—Signal power control
- H04B10/2931—Signal power control using AGC
-
- 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
- H04B10/03—Arrangements for fault recovery
-
- 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
- H04B10/0771—Fault location on the transmission path
-
- 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
- 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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/293—Signal power control
- H04B10/2933—Signal power control considering the whole optical path
-
- 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
- H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/08—Shut-down or eye-safety
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/922,256 US5428471A (en) | 1992-07-30 | 1992-07-30 | Fail-safe automatic shut-down apparatus and method for high output power optical communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69310276D1 true DE69310276D1 (de) | 1997-06-05 |
DE69310276T2 DE69310276T2 (de) | 1997-11-06 |
Family
ID=25446775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69310276T Expired - Lifetime DE69310276T2 (de) | 1992-07-30 | 1993-07-16 | Betriebssichere automatische Abschaltvorrichtung und Verfahren für ein optisches Übertragungssystem mit hoher Ausgangsleitung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5428471A (de) |
EP (1) | EP0581138B1 (de) |
JP (1) | JPH06204948A (de) |
AT (1) | ATE152560T1 (de) |
CA (1) | CA2096403C (de) |
DE (1) | DE69310276T2 (de) |
ES (1) | ES2104001T3 (de) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0667533A3 (de) * | 1994-02-14 | 1996-06-12 | Hewlett Packard Co | Signalverlustdetektor. |
JPH0837497A (ja) * | 1994-05-20 | 1996-02-06 | Fujitsu Ltd | 光増幅器及び光送信装置 |
JP3353047B2 (ja) * | 1994-05-25 | 2002-12-03 | 安藤電気株式会社 | 光増幅器 |
ATE222035T1 (de) * | 1994-12-13 | 2002-08-15 | Alcatel Nv | Verfahren und vorrichtung zur fehleranzeige eines optischen sendeverstärkers |
JP3618008B2 (ja) * | 1995-03-17 | 2005-02-09 | 富士通株式会社 | 光増幅器 |
CN1164936A (zh) * | 1995-07-05 | 1997-11-12 | 株式会社日立制作所 | 光放大介质控制方法、光放大装置及使用光放大装置的系统 |
US5905588A (en) * | 1995-09-26 | 1999-05-18 | The Furukawa Electric Co., Ltd. | Optical transmitting device |
US5771114A (en) * | 1995-09-29 | 1998-06-23 | Rosemount Inc. | Optical interface with safety shutdown |
US5710846A (en) * | 1996-03-26 | 1998-01-20 | Rf Systems, Inc. | Self-calibrating optical fiber switch |
US5907420A (en) * | 1996-09-13 | 1999-05-25 | Lucent Technologies, Inc. | System and method for mitigating cross-saturation in optically amplified networks |
DK129396A (da) * | 1996-11-15 | 1998-05-16 | Dsc Communications As | Optisk forstærker og fremgangsmåde til forhindring af, at der fra en sådan udsendes optisk effekt, som overstiger en foresk |
US6359708B1 (en) * | 1997-09-18 | 2002-03-19 | Lucent Technologies Inc. | Optical transmission line automatic power reduction system |
US6433926B2 (en) | 1997-11-14 | 2002-08-13 | Dsc Communications A/S | Optical amplifier and a method of preventing emission therefrom of optical power exceeding a prescribed safety limit |
KR100259043B1 (ko) | 1998-01-16 | 2000-06-15 | 윤종용 | 광전송시스템에서 자동 레이져 차단 방법 |
CN1143461C (zh) * | 1998-03-18 | 2004-03-24 | 西门子公司 | 在光学传输装置上用于激光器-安全断路和/或纤维备用切换的方法 |
US6504630B1 (en) | 1998-12-04 | 2003-01-07 | Lucent Technologies Inc. | Automatic power shut-down arrangement for optical line systems |
US6583899B1 (en) | 1998-12-31 | 2003-06-24 | Cisco Photonics Italy S.R.L. | Automatic protection system for an optical transmission system |
EP1017192B1 (de) * | 1998-12-31 | 2006-02-22 | Cisco Systems International B.V. | Automatisches Schutzsystem für ein optisches Übertragungssystem |
GB2348063B (en) * | 1999-03-19 | 2001-03-07 | Marconi Comm Ltd | Optical communication system |
JP2001217778A (ja) | 2000-02-03 | 2001-08-10 | Kanagawa Acad Of Sci & Technol | 光送受信機 |
EP1130804A1 (de) * | 2000-06-13 | 2001-09-05 | Telefonaktiebolaget L M Ericsson (Publ) | Automatische Laserabschaltung eines optischen Übertragungssystems |
US6658030B1 (en) * | 2000-07-18 | 2003-12-02 | International Business Machines Corporation | Laser safety method and device for duplex open loop parallel optical link |
US6423963B1 (en) | 2000-07-26 | 2002-07-23 | Onetta, Inc. | Safety latch for Raman amplifiers |
US6456429B1 (en) | 2000-11-15 | 2002-09-24 | Onetta, Inc. | Double-pass optical amplifier |
GB2369509A (en) * | 2000-11-28 | 2002-05-29 | Marconi Comm Ltd | Optical shutter for a communication system |
US6433921B1 (en) | 2001-01-12 | 2002-08-13 | Onetta, Inc. | Multiwavelength pumps for raman amplifier systems |
US6731424B1 (en) | 2001-03-15 | 2004-05-04 | Onetta, Inc. | Dynamic gain flattening in an optical communication system |
US7092630B2 (en) * | 2001-11-16 | 2006-08-15 | Avago Technologies Fiber Ip(Singapore) Ptd. Ltd. | Open fiber control for optical transceivers |
US7499410B2 (en) | 2001-12-26 | 2009-03-03 | Cisco Technology, Inc. | Fibre channel switch that enables end devices in different fabrics to communicate with one another while retaining their unique fibre channel domain—IDs |
US7599360B2 (en) * | 2001-12-26 | 2009-10-06 | Cisco Technology, Inc. | Methods and apparatus for encapsulating a frame for transmission in a storage area network |
US6922531B2 (en) * | 2002-03-21 | 2005-07-26 | Nortel Networks Limited | Method and system for encoding optical communication information during automatic laser shutdown restart sequence |
US7406034B1 (en) | 2002-04-01 | 2008-07-29 | Cisco Technology, Inc. | Methods and apparatus for fibre channel frame delivery |
US7616637B1 (en) | 2002-04-01 | 2009-11-10 | Cisco Technology, Inc. | Label switching in fibre channel networks |
DE60206362T2 (de) * | 2002-05-06 | 2006-06-22 | Alcatel | Verfahren zur geschützten Übertragung in einem WDM-Netzwerk |
US7206288B2 (en) * | 2002-06-12 | 2007-04-17 | Cisco Technology, Inc. | Methods and apparatus for characterizing a route in fibre channel fabric |
US7433326B2 (en) | 2002-11-27 | 2008-10-07 | Cisco Technology, Inc. | Methods and devices for exchanging peer parameters between network devices |
CN1305243C (zh) * | 2003-05-09 | 2007-03-14 | 中兴通讯股份有限公司 | 密集波分复用系统自动光功率减小进程时间的测试方法和装置 |
US7361171B2 (en) | 2003-05-20 | 2008-04-22 | Raydiance, Inc. | Man-portable optical ablation system |
US7027210B2 (en) * | 2003-05-29 | 2006-04-11 | Fujitsu Limited | Method and system for determining gain for an optical signal |
US9022037B2 (en) | 2003-08-11 | 2015-05-05 | Raydiance, Inc. | Laser ablation method and apparatus having a feedback loop and control unit |
US7593324B2 (en) * | 2004-10-25 | 2009-09-22 | Cisco Technology, Inc. | Graceful port shutdown protocol for fibre channel interfaces |
US7916628B2 (en) | 2004-11-01 | 2011-03-29 | Cisco Technology, Inc. | Trunking for fabric ports in fibre channel switches and attached devices |
US7116471B2 (en) * | 2004-12-02 | 2006-10-03 | Redc Optical Networking Ltd. | Method and system for improved eye protection safety of distributed Raman amplifiers |
IL165958A (en) * | 2004-12-23 | 2010-12-30 | Eci Telecom Ltd | Method of controlling optical amplifier located along an optical link |
US7649844B2 (en) * | 2004-12-29 | 2010-01-19 | Cisco Technology, Inc. | In-order fibre channel packet delivery |
US20060280415A1 (en) * | 2005-03-17 | 2006-12-14 | Anthony Slotwinski | Precision length standard for coherent laser radar |
DE602005003348T2 (de) * | 2005-07-12 | 2008-09-11 | Alcatel Lucent | Schnittstellenvorrichtung und Verfahren zur Fehlerbestimmung in einer faseroptischen Verbindung mit einer solchen Vorrichtung |
US8135050B1 (en) | 2005-07-19 | 2012-03-13 | Raydiance, Inc. | Automated polarization correction |
CN100401688C (zh) | 2005-09-30 | 2008-07-09 | 华为技术有限公司 | 光通信系统的自动恢复检测方法、自动恢复方法及装置 |
US7773884B2 (en) * | 2005-10-31 | 2010-08-10 | Red - C Optical Newworks Ltd. | Method and apparatus for automatic shut-down and start-up of optical amplifiers in optical networks |
US9130344B2 (en) | 2006-01-23 | 2015-09-08 | Raydiance, Inc. | Automated laser tuning |
US7444049B1 (en) | 2006-01-23 | 2008-10-28 | Raydiance, Inc. | Pulse stretcher and compressor including a multi-pass Bragg grating |
US8232687B2 (en) | 2006-04-26 | 2012-07-31 | Raydiance, Inc. | Intelligent laser interlock system |
US7822347B1 (en) | 2006-03-28 | 2010-10-26 | Raydiance, Inc. | Active tuning of temporal dispersion in an ultrashort pulse laser system |
US20080018988A1 (en) * | 2006-07-24 | 2008-01-24 | Andrew Davidson | Light source with tailored output spectrum |
US7903326B2 (en) | 2007-11-30 | 2011-03-08 | Radiance, Inc. | Static phase mask for high-order spectral phase control in a hybrid chirped pulse amplifier system |
US8498538B2 (en) | 2008-11-14 | 2013-07-30 | Raydiance, Inc. | Compact monolithic dispersion compensator |
US8022346B2 (en) * | 2009-03-27 | 2011-09-20 | Delphi Technologies, Inc. | Automatic fault detection and laser shut-down method for a laser-generated windshield display |
KR20140018183A (ko) | 2010-09-16 | 2014-02-12 | 레이디안스, 아이엔씨. | 적층 재료의 레이저 기반 처리 |
US8995099B2 (en) | 2011-08-05 | 2015-03-31 | Great Stuff, Inc. | Control system for electrical cord reel |
US10239160B2 (en) | 2011-09-21 | 2019-03-26 | Coherent, Inc. | Systems and processes that singulate materials |
US8771005B2 (en) | 2011-12-30 | 2014-07-08 | Great Stuff, Inc. | Electrical cord with wear ring |
US8801458B2 (en) | 2012-01-03 | 2014-08-12 | Great Stuff, Inc. | Electrical cord reel with removeable cord |
US11652545B2 (en) * | 2020-11-24 | 2023-05-16 | Ciena Corporation | Avoiding fiber damage on non-supervisory optical fiber links |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE320763C (de) * | 1919-02-04 | 1920-04-30 | Robert Burgwinkel | Vorrichtung zum Einstellen des Durchgangsquerschnitts fuer die Ansaugeluft von Verbrennungskraftmaschinen |
JPS55152434A (en) * | 1979-05-17 | 1980-11-27 | Kokusai Denshin Denwa Co Ltd <Kdd> | Light output monitoring system for light repeater |
DE3201375A1 (de) * | 1982-01-19 | 1983-07-28 | Siemens AG, 1000 Berlin und 8000 München | Traegerfrequenzsystem fuer vierdrahtbetrieb |
DE3201763A1 (de) * | 1982-01-21 | 1983-09-08 | Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Optische uebertragungsstrecke |
JPS5961237A (ja) * | 1982-09-29 | 1984-04-07 | Toshiba Corp | 光デ−タウエイシステム |
JPS5985678A (ja) * | 1982-11-06 | 1984-05-17 | 株式会社日本ゴルフ | ゴルフのウツドヘツド |
JPS60127833A (ja) * | 1983-12-15 | 1985-07-08 | Fujitsu Ltd | 光pcm中継器監視回路 |
JPS60229433A (ja) * | 1984-04-26 | 1985-11-14 | Nec Corp | 双方向光通信方式 |
JPS63260231A (ja) * | 1987-04-17 | 1988-10-27 | Nec Corp | 光出力自動停止方法 |
JPH02146831A (ja) * | 1988-11-28 | 1990-06-06 | Nec Corp | 光端局装置 |
JPH02209030A (ja) * | 1989-02-09 | 1990-08-20 | Fujitsu Ltd | 光伝送回線装置 |
JPH088530B2 (ja) * | 1989-07-27 | 1996-01-29 | 富士通株式会社 | 光中継器 |
GB2251148B (en) * | 1990-09-18 | 1995-04-12 | Fujitsu Ltd | Optical repeater having loop-back function |
-
1992
- 1992-07-30 US US07/922,256 patent/US5428471A/en not_active Expired - Lifetime
-
1993
- 1993-05-17 CA CA002096403A patent/CA2096403C/en not_active Expired - Fee Related
- 1993-07-16 ES ES93111418T patent/ES2104001T3/es not_active Expired - Lifetime
- 1993-07-16 AT AT93111418T patent/ATE152560T1/de not_active IP Right Cessation
- 1993-07-16 DE DE69310276T patent/DE69310276T2/de not_active Expired - Lifetime
- 1993-07-16 EP EP93111418A patent/EP0581138B1/de not_active Expired - Lifetime
- 1993-07-30 JP JP5190456A patent/JPH06204948A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5428471A (en) | 1995-06-27 |
EP0581138A1 (de) | 1994-02-02 |
ES2104001T3 (es) | 1997-10-01 |
JPH06204948A (ja) | 1994-07-22 |
CA2096403C (en) | 2000-01-18 |
ATE152560T1 (de) | 1997-05-15 |
DE69310276T2 (de) | 1997-11-06 |
CA2096403A1 (en) | 1994-01-31 |
EP0581138B1 (de) | 1997-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |