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SE9603458L - Förfarande och anordning för att detektera fel i ett nätverk - Google Patents

Förfarande och anordning för att detektera fel i ett nätverk

Info

Publication number
SE9603458L
SE9603458L SE9603458A SE9603458A SE9603458L SE 9603458 L SE9603458 L SE 9603458L SE 9603458 A SE9603458 A SE 9603458A SE 9603458 A SE9603458 A SE 9603458A SE 9603458 L SE9603458 L SE 9603458L
Authority
SE
Sweden
Prior art keywords
bus
protection signal
nodes
end nodes
optical
Prior art date
Application number
SE9603458A
Other languages
English (en)
Other versions
SE506320C2 (sv
SE9603458D0 (sv
Inventor
Magnus Sundelin
Bengt Johansson
Magnus Oeberg
Bo Lagerstroem
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9603458A priority Critical patent/SE9603458L/sv
Publication of SE9603458D0 publication Critical patent/SE9603458D0/sv
Priority to DE69727040T priority patent/DE69727040T2/de
Priority to EP97850126A priority patent/EP0851614B1/en
Priority to US08/934,218 priority patent/US6160648A/en
Publication of SE506320C2 publication Critical patent/SE506320C2/sv
Publication of SE9603458L publication Critical patent/SE9603458L/sv

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
    • H04B10/03—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
    • H04B10/0773—Network aspects, e.g. central monitoring of transmission parameters
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2589—Bidirectional transmission
    • 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
    • H04B2210/075—Monitoring an optical transmission system using a supervisory signal using a pilot tone
    • 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
    • H04B2210/077—Monitoring an optical transmission system using a supervisory signal using a separate fibre
    • 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)
SE9603458A 1996-09-23 1996-09-23 Förfarande och anordning för att detektera fel i ett nätverk SE9603458L (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9603458A SE9603458L (sv) 1996-09-23 1996-09-23 Förfarande och anordning för att detektera fel i ett nätverk
DE69727040T DE69727040T2 (de) 1996-09-23 1997-09-03 Verfahren und Vorrichtung zur Erkennung von Fehlern in einem Netzwerk
EP97850126A EP0851614B1 (en) 1996-09-23 1997-09-03 Method and arrangement for detecting faults in a network
US08/934,218 US6160648A (en) 1996-09-23 1997-09-19 Method and arrangement for detecting faults in a network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9603458A SE9603458L (sv) 1996-09-23 1996-09-23 Förfarande och anordning för att detektera fel i ett nätverk

Publications (3)

Publication Number Publication Date
SE9603458D0 SE9603458D0 (sv) 1996-09-23
SE506320C2 SE506320C2 (sv) 1997-12-01
SE9603458L true SE9603458L (sv) 1997-12-01

Family

ID=20403981

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9603458A SE9603458L (sv) 1996-09-23 1996-09-23 Förfarande och anordning för att detektera fel i ett nätverk

Country Status (4)

Country Link
US (1) US6160648A (sv)
EP (1) EP0851614B1 (sv)
DE (1) DE69727040T2 (sv)
SE (1) SE9603458L (sv)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1296614B1 (it) * 1997-12-05 1999-07-14 Alsthom Cge Alcatel Sistema di verifica di funzionamento per reti di comunicazione in fibra ottica.
DE19807069A1 (de) * 1998-02-20 1999-08-26 Bosch Gmbh Robert Verfahren zur Übertragung von optischen Nutzsignalen und optisches Leitungsnetzwerk
DE19909565A1 (de) * 1999-03-04 2000-10-05 Siemens Ag Verfahren zur Überwachung des Betriebes von optischen Fasern
US7046929B1 (en) * 1999-08-24 2006-05-16 Ciena Corporation Fault detection and isolation in an optical network
AU2001268034A1 (en) * 2000-03-10 2001-09-17 Corning Incorporated Devices and methods for controlling protection switching in an optical channel shared protection ring
US6681079B1 (en) * 2000-05-18 2004-01-20 Nortel Networks Limited Optical fibre monitoring system
EP1284058B1 (en) * 2000-05-24 2007-07-11 Corvis Corporation Optical transmission systems and methods including optical protection
DE10047923C2 (de) * 2000-09-27 2003-04-10 Siemens Ag Verfahren zur Erzeugung einer Verbindungs-Redundanz für ein serielles Kommunikationssystem mit einer Mastereinheit und einer Mehrzahl von Slaveeinheiten, die untereinander als Aneinanderreihung von Punkt-zu-Punkt-Verbindungen in Linientopologie verbunden sind, sowie korrespondierendes serielles Kommunikationssystem
KR100442603B1 (ko) * 2001-03-20 2004-08-02 삼성전자주식회사 고속 패킷 데이터 전송 이동통신시스템에서 패킷 데이터채널 및 패킷 데이터 제어 채널을 스크램블링하기 위한장치 및 방법
US7110356B2 (en) * 2001-11-15 2006-09-19 Fujitsu Limited Pre-provisioning a light path setup
JP3905083B2 (ja) * 2001-12-03 2007-04-18 富士通株式会社 光通信システム
US7200332B2 (en) * 2002-03-15 2007-04-03 Fujitsu Limited System and method for assigning traffic to wavelengths in optical networks
US6690508B2 (en) 2002-03-26 2004-02-10 Fujitsu Network Communications, Inc. Control system and method for an optical amplifier
US7076163B2 (en) * 2002-03-27 2006-07-11 Fujitsu Limited Method and system for testing during operation of an open ring optical network
US7231148B2 (en) * 2002-03-28 2007-06-12 Fujitsu Limited Flexible open ring optical network and method
US7116905B2 (en) 2002-03-27 2006-10-03 Fujitsu Limited Method and system for control signaling in an open ring optical network
US7680031B1 (en) * 2002-04-26 2010-03-16 Redback Networks Inc. Method and apparatus for load balancing and protecting data traffic in an optical ring
US7283739B2 (en) * 2002-05-29 2007-10-16 Fujitsu Limited Multiple subnets in an optical ring network and method
US7283740B2 (en) * 2002-05-29 2007-10-16 Fujitsu Limited Optical ring network with optical subnets and method
US7184663B2 (en) * 2002-05-29 2007-02-27 Fujitsu Limited Optical ring network with hub node and method
US7085496B2 (en) * 2002-05-30 2006-08-01 Fujitsu Limited Passive add/drop amplifier for optical networks and method
US6842562B2 (en) * 2002-05-30 2005-01-11 Fujitsu Network Communications, Inc. Optical add/drop node and method
US7075712B2 (en) 2002-05-30 2006-07-11 Fujitsu Limited Combining and distributing amplifiers for optical network and method
US6879434B2 (en) * 2002-07-11 2005-04-12 Fujitsu Network Communications, Inc. Distributed raman amplifier for optical network and method
US20040052530A1 (en) * 2002-09-17 2004-03-18 Cechan Tian Optical network with distributed sub-band rejections
CN100471996C (zh) * 2002-09-23 2009-03-25 巴斯福股份公司 具有高介电常数的氧化材料薄膜的制备方法
DE10246007A1 (de) * 2002-10-02 2004-04-22 Rexroth Indramat Gmbh Kommunikationssystem
US6944362B2 (en) * 2003-02-11 2005-09-13 General Instrument Corporation Optical switch having a autorestoration feature for switching from a backup optical path to a primary optical path
US7321729B2 (en) * 2003-05-29 2008-01-22 Fujitsu Limited Optical ring network with selective signal regeneration and wavelength conversion
US7305184B2 (en) 2003-07-08 2007-12-04 Fujitsu Limited Method and system for management of directly connected optical components
US20050019034A1 (en) * 2003-07-25 2005-01-27 Fujitsu Network Communications, Inc. System and method for communicating optical traffic between ring networks
US7483636B2 (en) * 2003-07-28 2009-01-27 Fujitsu Limited Optical network with sub-band rejection and bypass
US20050095001A1 (en) * 2003-10-29 2005-05-05 Fujitsu Limited Method and system for increasing network capacity in an optical network
US7483637B2 (en) * 2003-11-26 2009-01-27 Fujitsu Limited Optical ring network with optical subnets and method
WO2005053221A2 (de) * 2003-11-27 2005-06-09 Siemens Aktiengesellschaft Verfahren zum betreiben eines netzwerks
US6959128B2 (en) * 2003-12-02 2005-10-25 Fujitsu Limited Coupler-based optical cross-connect having a regeneration module
US7266294B2 (en) * 2003-12-02 2007-09-04 Fujitsu Limited Coupler-based optical cross-connect
US20050175346A1 (en) * 2004-02-10 2005-08-11 Fujitsu Limited Upgraded flexible open ring optical network and method
US20050196169A1 (en) * 2004-03-03 2005-09-08 Fujitsu Limited System and method for communicating traffic between optical rings
US20050286896A1 (en) * 2004-06-29 2005-12-29 Fujitsu Limited Hybrid optical ring network
US7450851B2 (en) * 2004-08-27 2008-11-11 Fujitsu Limited System and method for modularly scalable architecture for optical networks
US7120360B2 (en) * 2005-01-06 2006-10-10 Fujitsu Limited System and method for protecting traffic in a hubbed optical ring network
US7609966B2 (en) * 2005-02-18 2009-10-27 Fujitsu Limited Method and system for time-sharing transmission frequencies in an optical network
US7515828B2 (en) * 2005-03-15 2009-04-07 Fujitsu Limited System and method for implementing optical light-trails
US7466917B2 (en) * 2005-03-15 2008-12-16 Fujitsu Limited Method and system for establishing transmission priority for optical light-trails
US7616891B2 (en) * 2005-03-30 2009-11-10 Fujitsu Limited System and method for transmission and reception of traffic in optical light-trails
US7787763B2 (en) * 2005-04-04 2010-08-31 Fujitsu Limited System and method for protecting optical light-trails
US7457540B2 (en) * 2005-04-29 2008-11-25 Fujitsu Limited System and method for shaping traffic in optical light-trails
US7499465B2 (en) * 2005-07-19 2009-03-03 Fujitsu Limited Heuristic assignment of light-trails in an optical network
US7590353B2 (en) * 2005-08-31 2009-09-15 Fujitsu Limited System and method for bandwidth allocation in an optical light-trail
US7801034B2 (en) * 2006-04-28 2010-09-21 Fujitsu Limited System and method for bandwidth allocation in an optical light-trail
AT506439B1 (de) * 2008-02-11 2012-11-15 Tttech Computertechnik Ag Redundantes bussystem
US9209895B2 (en) * 2013-04-28 2015-12-08 Eci Telecom Ltd. Method of carrying out fast switching in optical communication networks
CN104410558A (zh) * 2014-11-12 2015-03-11 广州供电局有限公司 基于电网保护装置的环网物理链路自愈装置
WO2017016592A1 (en) * 2015-07-27 2017-02-02 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus for protecting an optical link
CN112929079B (zh) * 2019-12-05 2022-09-16 华为技术有限公司 光纤链路的故障检测装置、方法及光通信系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55134560A (en) * 1979-04-06 1980-10-20 Fuji Electric Co Ltd Automatic reconstitution system for common transmission line
US5179548A (en) * 1991-06-27 1993-01-12 Bell Communications Research, Inc. Self-healing bidirectional logical-ring network using crossconnects
US5265510A (en) * 1992-01-13 1993-11-30 Hoyer Ellefsen Sigurd Material working and tool control system
US5365510A (en) * 1992-04-09 1994-11-15 Northern Telecom Limited Communications system with a single protection loop
US5442623A (en) * 1992-08-17 1995-08-15 Bell Communications Research, Inc. Passive protected self healing ring network
US5453827A (en) * 1993-02-24 1995-09-26 Dicon Fiberoptics Fiberoptic in-line filter and technique for measuring the transmission quality of an optical fiber through the use of a fiberoptic in-line filter
FR2718908B1 (fr) * 1994-04-13 1996-06-21 France Telecom Réseau de télécommunication organisé en boucles optiques multicolores reconfigurables.
GB2292495B (en) * 1994-08-17 1998-03-25 Northern Telecom Ltd Fault location in optical communication systems
CA2164071C (en) * 1995-09-06 2001-08-21 Thomas P. J. Flanagan Optical communication system

Also Published As

Publication number Publication date
SE506320C2 (sv) 1997-12-01
EP0851614A1 (en) 1998-07-01
DE69727040D1 (de) 2004-02-05
DE69727040T2 (de) 2005-01-27
US6160648A (en) 2000-12-12
SE9603458D0 (sv) 1996-09-23
EP0851614B1 (en) 2004-01-02

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