IT1302280B1 - Metodo per rilevare e localizzare un'interruzione in un sistema dicollegamento ottico a gerarchia numeriaca sincrona (sdh) - Google Patents

Metodo per rilevare e localizzare un'interruzione in un sistema dicollegamento ottico a gerarchia numeriaca sincrona (sdh)

Info

Publication number
IT1302280B1
IT1302280B1 IT1998MI002080A ITMI982080A IT1302280B1 IT 1302280 B1 IT1302280 B1 IT 1302280B1 IT 1998MI002080 A IT1998MI002080 A IT 1998MI002080A IT MI982080 A ITMI982080 A IT MI982080A IT 1302280 B1 IT1302280 B1 IT 1302280B1
Authority
IT
Italy
Prior art keywords
sdh
break
optical
network
layer
Prior art date
Application number
IT1998MI002080A
Other languages
English (en)
Inventor
Mariangela Conti
Virgilio Miriello
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Priority to IT1998MI002080A priority Critical patent/IT1302280B1/it
Priority to CA002282245A priority patent/CA2282245A1/en
Priority to DE69927119T priority patent/DE69927119T2/de
Priority to EP99440251A priority patent/EP1014603B1/en
Priority to AT99440251T priority patent/ATE304245T1/de
Publication of ITMI982080A1 publication Critical patent/ITMI982080A1/it
Application granted granted Critical
Publication of IT1302280B1 publication Critical patent/IT1302280B1/it

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
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements
    • 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
    • H04B2210/071—Monitoring an optical transmission system using a supervisory signal using alarms
    • 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
    • H04B2210/072—Monitoring an optical transmission system using a supervisory signal using an overhead signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/006—Fault tolerance and recovery

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Small-Scale Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
IT1998MI002080A 1998-09-29 1998-09-29 Metodo per rilevare e localizzare un'interruzione in un sistema dicollegamento ottico a gerarchia numeriaca sincrona (sdh) IT1302280B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT1998MI002080A IT1302280B1 (it) 1998-09-29 1998-09-29 Metodo per rilevare e localizzare un'interruzione in un sistema dicollegamento ottico a gerarchia numeriaca sincrona (sdh)
CA002282245A CA2282245A1 (en) 1998-09-29 1999-09-15 Method for detecting and locating a break in a synchronous digital hierarchy (sdh) optical link system
DE69927119T DE69927119T2 (de) 1998-09-29 1999-09-17 Verfahren zur Detektion und Ortung eines Bruchs in einem nach der synchronen digitalen Hierarchie optischen Verbindungssystem
EP99440251A EP1014603B1 (en) 1998-09-29 1999-09-17 Method for detecting and locating a break in a synchronous digital hierarchy (SDH) optical link system
AT99440251T ATE304245T1 (de) 1998-09-29 1999-09-17 Verfahren zur detektion und ortung eines bruchs in einem nach der synchronen digitalen hierarchie optischen verbindungssystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998MI002080A IT1302280B1 (it) 1998-09-29 1998-09-29 Metodo per rilevare e localizzare un'interruzione in un sistema dicollegamento ottico a gerarchia numeriaca sincrona (sdh)

Publications (2)

Publication Number Publication Date
ITMI982080A1 ITMI982080A1 (it) 2000-03-29
IT1302280B1 true IT1302280B1 (it) 2000-09-05

Family

ID=11380768

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998MI002080A IT1302280B1 (it) 1998-09-29 1998-09-29 Metodo per rilevare e localizzare un'interruzione in un sistema dicollegamento ottico a gerarchia numeriaca sincrona (sdh)

Country Status (5)

Country Link
EP (1) EP1014603B1 (it)
AT (1) ATE304245T1 (it)
CA (1) CA2282245A1 (it)
DE (1) DE69927119T2 (it)
IT (1) IT1302280B1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69931489T2 (de) * 1999-09-07 2006-11-16 Lucent Technologies Inc. Verbesserte Mehrfachrahmensynchronisierung für Tandemverbindungspuren
EP1229692A1 (en) 2001-02-02 2002-08-07 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for tunnelling data in a network
CN100449964C (zh) * 2001-12-31 2009-01-07 中兴通讯股份有限公司 对光同步数字传送体系的网络管理系统软件测试和故障定位的方法
ATE367022T1 (de) * 2003-10-09 2007-08-15 Alcatel Lucent Verfahren und rahmensignal zur inband-erkennung und -lokalisierung eines path-ausfalls in einer sdh/sonet netzwerkdomäne
EP2243275A1 (en) * 2008-02-15 2010-10-27 Telefonaktiebolaget LM Ericsson (publ) Loss link forwarding
CN101540637B (zh) * 2008-03-21 2013-01-09 北京润光泰力科技发展有限公司 网络故障的定位方法和系统
US8934769B2 (en) 2009-11-25 2015-01-13 Telefonaktiebolaget L M Ericsson (Publ) Optical transport network alarms
DE102015205406A1 (de) 2015-03-25 2016-09-29 Siemens Aktiengesellschaft Vorrichtung, Verfahren und System zur Erfassung und Auflösung von Zeitinformationen unterschiedlicher administrativer Domänen
CN111935565A (zh) * 2020-07-16 2020-11-13 苏州伏特通信科技有限公司 一种通信传输设备故障报警系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5265096A (en) * 1991-07-03 1993-11-23 Transwitch Corporation Sonet alarm indication signal transmission method and apparatus
US5404380A (en) * 1992-08-25 1995-04-04 Alcatel Network Systems, Inc. Desynchronizer for adjusting the read data rate of payload data received over a digital communication network transmitting payload data within frames
US5636203A (en) * 1995-06-07 1997-06-03 Mci Corporation Method and system for identifying fault locations in a communications network
US5535219A (en) * 1995-06-14 1996-07-09 National Semiconductor Corp. Sonet/SDH pointer calculation circuit

Also Published As

Publication number Publication date
ITMI982080A1 (it) 2000-03-29
EP1014603B1 (en) 2005-09-07
ATE304245T1 (de) 2005-09-15
DE69927119T2 (de) 2006-06-14
CA2282245A1 (en) 2000-03-29
EP1014603A3 (en) 2004-03-03
EP1014603A2 (en) 2000-06-28
DE69927119D1 (de) 2005-10-13

Similar Documents

Publication Publication Date Title
US6005694A (en) Method and system for detecting optical faults within the optical domain of a fiber communication network
US7333425B2 (en) Failure localization in a transmission network
CA2278828C (en) Backwards-compatible failure restoration in bidirectional multiplex section-switched ring transmission systems
CN101854255B (zh) 分组传送网中复用段保护的方法及系统
EP0779718A3 (en) Optical communication network and method for optically detecting a fault
CA2222160A1 (en) Method and system for identifying fault locations in a communications network
CN101252393A (zh) 一种具有光纤自动切换单元的光缆自动监测系统
IT1302280B1 (it) Metodo per rilevare e localizzare un'interruzione in un sistema dicollegamento ottico a gerarchia numeriaca sincrona (sdh)
CN1318235A (zh) 用于检测波分多路复用系统中的信号损耗的方法和设备
EP1724972B1 (en) A service rerouting triggering method
EP1538765B1 (en) Dynamic interlayer protection in optical telecommunication networks
CN101548495A (zh) 在没有专用硬件的情况下在dwdm网络中跟踪波长的机制
CA2212465C (en) Method for monitoring fiber optic cables
EP1372288B1 (en) Tandem connection activation/deactivation
KR20000013734A (ko) 동기식 디지털 계위 광 전송 장치의 경보 억제방법
KR100329106B1 (ko) 파장분할다중시스템의광다중구간계층,감시채널오버헤드및그운용방법
US7013059B2 (en) Methods for protecting data signals which are being transmitted via optical conductors
CN202435407U (zh) 光路保护和光纤监测集成系统
EP1235373B1 (en) Method for managing multiple failures of different type in ring-shaped telecommunicatons network
KR20030051913A (ko) 전송장비의 경보신호 처리 방법
CN200941616Y (zh) Sdh传输光缆故障检测系统
KR100237476B1 (ko) ２．５gbps 동기식 광 전송장치에 있어서 종속 정합기의 경보 처리방법
JP4507700B2 (ja) 障害検出システム及びその方法並びにそれに用いる光伝送装置及び光伝送システム
WO2002054641A1 (en) Controlled handling of far end at equipment failure in an msp+1 unidirectionnal configuration
JPS59131177A (ja) 送電線故障位置検出装置

Legal Events

Date Code Title Description
0001 Granted