SE9603458D0 - 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
SE9603458D0
SE9603458D0 SE9603458A SE9603458A SE9603458D0 SE 9603458 D0 SE9603458 D0 SE 9603458D0 SE 9603458 A SE9603458 A SE 9603458A SE 9603458 A SE9603458 A SE 9603458A SE 9603458 D0 SE9603458 D0 SE 9603458D0
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
SE9603458L (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 EP97850126A priority patent/EP0851614B1/en
Priority to DE69727040T priority patent/DE69727040T2/de
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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/03Arrangements for fault recovery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0771Fault location on the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0773Network aspects, e.g. central monitoring of transmission parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • H04B10/2589Bidirectional transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2210/00Indexing scheme relating to optical transmission systems
    • H04B2210/07Monitoring an optical transmission system using a supervisory signal
    • H04B2210/075Monitoring an optical transmission system using a supervisory signal using a pilot tone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2210/00Indexing scheme relating to optical transmission systems
    • H04B2210/07Monitoring an optical transmission system using a supervisory signal
    • H04B2210/077Monitoring an optical transmission system using a supervisory signal using a separate fibre
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2210/00Indexing scheme relating to optical transmission systems
    • H04B2210/08Shut-down or eye-safety
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
EP97850126A EP0851614B1 (en) 1996-09-23 1997-09-03 Method and arrangement for detecting faults in a network
DE69727040T DE69727040T2 (de) 1996-09-23 1997-09-03 Verfahren und Vorrichtung zur Erkennung von Fehlern in einem Netzwerk
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 true SE9603458D0 (sv) 1996-09-23
SE506320C2 SE506320C2 (sv) 1997-12-01
SE9603458L 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)

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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
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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
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DE10246007A1 (de) * 2002-10-02 2004-04-22 Rexroth Indramat Gmbh Kommunikationssystem
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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
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EP1687681B1 (de) * 2003-11-27 2010-08-18 Siemens Aktiengesellschaft Verfahren zum betreiben eines netzwerks
US7266294B2 (en) * 2003-12-02 2007-09-04 Fujitsu Limited Coupler-based optical cross-connect
US6959128B2 (en) * 2003-12-02 2005-10-25 Fujitsu Limited Coupler-based optical cross-connect having a regeneration module
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
US7466917B2 (en) * 2005-03-15 2008-12-16 Fujitsu Limited Method and system for establishing transmission priority for optical light-trails
US7515828B2 (en) * 2005-03-15 2009-04-07 Fujitsu Limited System and method for implementing 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
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US7590353B2 (en) * 2005-08-31 2009-09-15 Fujitsu Limited System and method for bandwidth allocation in an optical light-trail
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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

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Also Published As

Publication number Publication date
DE69727040D1 (de) 2004-02-05
US6160648A (en) 2000-12-12
EP0851614B1 (en) 2004-01-02
SE506320C2 (sv) 1997-12-01
SE9603458L (sv) 1997-12-01
EP0851614A1 (en) 1998-07-01
DE69727040T2 (de) 2005-01-27

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