JP3854372B2 - 光クロスコネクト装置 - Google Patents

光クロスコネクト装置 Download PDF

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Publication number
JP3854372B2
JP3854372B2 JP17834097A JP17834097A JP3854372B2 JP 3854372 B2 JP3854372 B2 JP 3854372B2 JP 17834097 A JP17834097 A JP 17834097A JP 17834097 A JP17834097 A JP 17834097A JP 3854372 B2 JP3854372 B2 JP 3854372B2
Authority
JP
Japan
Prior art keywords
optical
optical signal
switch circuit
signal
monitoring
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 - Fee Related
Application number
JP17834097A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1127208A (ja
Inventor
康之 深代
正浩 ▲高▼取
昌一 花谷
博久 佐野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Communication Technologies Ltd
Original Assignee
Hitachi Communication Technologies Ltd
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 Hitachi Communication Technologies Ltd filed Critical Hitachi Communication Technologies Ltd
Priority to JP17834097A priority Critical patent/JP3854372B2/ja
Priority to US09/106,903 priority patent/US6362905B1/en
Priority to EP19980112188 priority patent/EP0889665B1/en
Priority to DE69841211T priority patent/DE69841211D1/de
Priority to EP09006860A priority patent/EP2091264A2/en
Priority to CN 200510137015 priority patent/CN1790952B/zh
Priority to CN 98103190 priority patent/CN1244206C/zh
Publication of JPH1127208A publication Critical patent/JPH1127208A/ja
Priority to US10/059,337 priority patent/US6813445B2/en
Priority to US10/924,976 priority patent/US7272314B2/en
Application granted granted Critical
Publication of JP3854372B2 publication Critical patent/JP3854372B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP17834097A 1997-02-24 1997-07-03 光クロスコネクト装置 Expired - Fee Related JP3854372B2 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP17834097A JP3854372B2 (ja) 1997-07-03 1997-07-03 光クロスコネクト装置
US09/106,903 US6362905B1 (en) 1997-02-24 1998-06-30 Optical crossconnect apparatus and optical transmission system
DE69841211T DE69841211D1 (de) 1997-07-03 1998-07-01 Optisches Querverbindungssystem und optisches Übertragungssystem
EP09006860A EP2091264A2 (en) 1997-07-03 1998-07-01 Optical crossconnect apparatus
EP19980112188 EP0889665B1 (en) 1997-07-03 1998-07-01 Optical crossconnect apparatus and optical transmission system
CN 200510137015 CN1790952B (zh) 1997-07-03 1998-07-03 光交叉连接装置及光传输系统
CN 98103190 CN1244206C (zh) 1997-07-03 1998-07-03 光交叉连接装置及光传输系统
US10/059,337 US6813445B2 (en) 1997-02-24 2002-01-31 Optical crossconnect apparatus and optical transmission system
US10/924,976 US7272314B2 (en) 1997-02-24 2004-08-25 Optical crossconnect apparatus and optical transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17834097A JP3854372B2 (ja) 1997-07-03 1997-07-03 光クロスコネクト装置

Publications (2)

Publication Number Publication Date
JPH1127208A JPH1127208A (ja) 1999-01-29
JP3854372B2 true JP3854372B2 (ja) 2006-12-06

Family

ID=16046788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17834097A Expired - Fee Related JP3854372B2 (ja) 1997-02-24 1997-07-03 光クロスコネクト装置

Country Status (2)

Country Link
JP (1) JP3854372B2 (zh)
CN (2) CN1790952B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2310293A1 (en) * 2000-05-30 2001-11-30 Alan F. Graves Photonic network node
GB0610819D0 (en) * 2006-06-01 2006-07-12 Polatis Ltd A fast distributed automatic network optical fibre protection switching mechanism using combined local fibre fault detection and switching control
US20080285470A1 (en) * 2007-05-18 2008-11-20 Catherine Yuan Determining An Active/Standby State From Service Readiness
EP2820458A4 (en) * 2012-03-01 2015-11-11 Tyco Electronics Corp ENCRYPTION FOR MPO SYSTEMS
JP6104652B2 (ja) * 2013-03-11 2017-03-29 株式会社日立製作所 切替装置および伝送システム
CN115603801A (zh) * 2021-06-28 2023-01-13 华为技术有限公司（Cn） 一种全光交叉设备以及一种波长选择开关
WO2023166593A1 (ja) * 2022-03-02 2023-09-07 日本電信電話株式会社 光路切替ノード、光ファイバネットワーク及び光ファイバネットワークの試験方法
WO2024069807A1 (ja) * 2022-09-28 2024-04-04 日本電信電話株式会社 光通信装置及び光通信経路開通方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01228328A (ja) * 1988-03-09 1989-09-12 Fujitsu Ltd 伝送路の回線切替方式
GB8910957D0 (en) * 1989-05-12 1989-06-28 Plessey Telecomm Optical transmission apparatus
JPH0799816B2 (ja) * 1990-01-10 1995-10-25 富士通株式会社 保護線の切替制御方式
JP2928046B2 (ja) * 1993-04-16 1999-07-28 日本電気株式会社 光ネットワ−ク及びその障害回復方式

Also Published As

Publication number Publication date
JPH1127208A (ja) 1999-01-29
CN1790952B (zh) 2010-05-05
CN1205582A (zh) 1999-01-20
CN1244206C (zh) 2006-03-01
CN1790952A (zh) 2006-06-21

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