JP2004140789A - ２×２スイッチ機能を使用した予備用光スイッチを用いたネットワークノード - Google Patents

２×２スイッチ機能を使用した予備用光スイッチを用いたネットワークノード Download PDF

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Publication number
JP2004140789A
JP2004140789A JP2003201537A JP2003201537A JP2004140789A JP 2004140789 A JP2004140789 A JP 2004140789A JP 2003201537 A JP2003201537 A JP 2003201537A JP 2003201537 A JP2003201537 A JP 2003201537A JP 2004140789 A JP2004140789 A JP 2004140789A
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Japan
Prior art keywords
switch module
switch
optical fiber
fiber transmission
mode
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JP2003201537A
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Japanese (ja)
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JP2004140789A5 (US07576130-20090818-C00114.png
Inventor
Hiroki Ikeda
池田　博樹
Shigeki Kitajima
北島　茂樹
Shoichi Hanatani
花谷　昌一
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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of JP2004140789A publication Critical patent/JP2004140789A/ja
Publication of JP2004140789A5 publication Critical patent/JP2004140789A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0289—Optical multiplex section protection
    • H04J14/0291—Shared protection at the optical multiplex section (1:1, n:m)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0284—WDM mesh architectures

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
JP2003201537A 2002-10-18 2003-07-25 ２×２スイッチ機能を使用した予備用光スイッチを用いたネットワークノード Pending JP2004140789A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/274,244 US7242860B2 (en) 2002-10-18 2002-10-18 Optical protection switching using 2 by 2 switching functions

Publications (2)

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JP2004140789A true JP2004140789A (ja) 2004-05-13
JP2004140789A5 JP2004140789A5 (US07576130-20090818-C00114.png) 2006-08-31

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Family Applications (1)

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JP2003201537A Pending JP2004140789A (ja) 2002-10-18 2003-07-25 ２×２スイッチ機能を使用した予備用光スイッチを用いたネットワークノード

Country Status (2)

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US (1) US7242860B2 (US07576130-20090818-C00114.png)
JP (1) JP2004140789A (US07576130-20090818-C00114.png)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1566039A1 (de) * 2002-11-29 2005-08-24 Siemens Aktiengesellschaft Verfahren zur umleitung von datenpaketen bei lokal erkannten linkausfällen
DE10333805B4 (de) * 2003-07-24 2016-04-07 Xieon Networks S.À.R.L. Verfahren zur Ermittlung eines Verbindungspfades und eines zugehörigen unbelegten Wellenlängenkanals
US20090034965A1 (en) * 2004-02-23 2009-02-05 Look Christopher M Method and an apparatus to automatically verify connectivity within an optical network node
US7848644B2 (en) * 2004-02-23 2010-12-07 Dynamic Method Enterprises Limited Method and an apparatus to provide optical equipment protection
JP4422568B2 (ja) * 2004-07-20 2010-02-24 株式会社日立コミュニケーションテクノロジー 光クロスコネクト装置および光伝送システム
US20060188260A1 (en) * 2005-02-22 2006-08-24 Positron Networks Pni Inc. Robust service delivery node and method therefor
US7623446B1 (en) * 2005-11-14 2009-11-24 Nortel Networks Limited MPLS virtual rings
US8160453B1 (en) * 2006-03-30 2012-04-17 Rockstar Bidco, LP Protection switching with transmitter compensation function
US20080098234A1 (en) * 2006-10-20 2008-04-24 Honeywell International Inc. Fault-containment and/or failure detection using encryption
US20080145048A1 (en) * 2006-12-19 2008-06-19 Hsuan-Hung Wu Optical fiber monitoring system and method incorporated with automatic fault protection mechanism
US8861952B2 (en) * 2007-02-28 2014-10-14 Finisar Corporation Redundancy and interoperability in multi-channel optoelectronic devices
WO2008134750A2 (en) * 2007-04-30 2008-11-06 Finisar Corporation Eye safety and interoperability of active cable devices
EP2385642B1 (en) * 2010-05-07 2012-10-17 ADVA AG Optical Networking A method for providing protection in an optical communication network against connection failures
EP2577895A1 (en) * 2010-06-03 2013-04-10 Telefonaktiebolaget L M Ericsson (publ) Optical network node with restoration path
US8787151B2 (en) 2011-07-20 2014-07-22 Adc Dsl Systems, Inc. N+N protection switching
US9013982B2 (en) 2011-07-20 2015-04-21 Adc Dsl Systems, Inc. M-pair mode protection switching
JP6263105B2 (ja) * 2014-08-22 2018-01-17 ＡＰＲＥＳＩＡ Ｓｙｓｔｅｍｓ株式会社 中継システムおよび中継装置
CN104579696B (zh) * 2015-01-23 2016-04-20 浪潮电子信息产业股份有限公司 一种光纤交换机系统及一种光纤交换机
JP6438426B2 (ja) * 2016-03-30 2018-12-12 Ｓｅｉオプティフロンティア株式会社 光切替ユニット及び光切替装置
CN111835421A (zh) * 2020-05-21 2020-10-27 全球能源互联网研究院有限公司 用于柔性直流模块化多电平换流阀的通信系统及通信方法
CN112887016B (zh) * 2021-01-29 2022-07-12 中国人民解放军战略支援部队信息工程大学 针对光纤接入atca系统场景的业务主备用处理装置与方法
CN116017214B (zh) * 2022-11-30 2024-01-26 上海欣诺通信技术股份有限公司 一种基于光纤通信的故障诊断系统
CN116436514B (zh) * 2023-06-09 2023-09-05 广州汇信特通信技术股份有限公司 一种多重bypass光口线路、保护系统及保护方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003531A (en) 1989-08-11 1991-03-26 Infotron Systems Corporation Survivable network using reverse protection ring
US5740157A (en) 1992-05-21 1998-04-14 Alcatel Network Systems, Inc. Distributed control methodology and mechanism for implementing automatic protection switching
WO1994028646A1 (de) * 1993-05-28 1994-12-08 Siemens Aktiengesellschaft Verfahren zur ersatzschaltung für eine übertragungseinrichtung zur bidirektionalen übertragung von digitalsignalen und anordnung zur durchfürhrung des verfahrens
JPH0818592A (ja) * 1994-06-30 1996-01-19 Fujitsu Ltd 光学的スイッチングによるリング保護を有する光ファイバー伝送システム
US6115155A (en) * 1996-10-29 2000-09-05 Chorum Technologies Inc. System for dealing with faults in an optical link
US6915075B1 (en) * 1998-02-24 2005-07-05 Telefonaktiebolaget Lm Ericsson (Publ) Protection of WDM-channels
EP1037492A3 (en) 1999-03-15 2005-02-09 The Furukawa Electric Co., Ltd. Optical line switching system
US6307653B1 (en) 1999-03-24 2001-10-23 Tellium, Inc Optical matrix protection system
US6292281B1 (en) 1999-03-24 2001-09-18 Tellium, Inc. Protection for MEMS cross-bar switch
US6331905B1 (en) 1999-04-01 2001-12-18 The Trustees Of Columbia University In The City Of New York Network switch failure restoration

Also Published As

Publication number Publication date
US7242860B2 (en) 2007-07-10
US20040076427A1 (en) 2004-04-22

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