JPH1127208A5 - - Google Patents

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Publication number
JPH1127208A5
JPH1127208A5 JP1997178340A JP17834097A JPH1127208A5 JP H1127208 A5 JPH1127208 A5 JP H1127208A5 JP 1997178340 A JP1997178340 A JP 1997178340A JP 17834097 A JP17834097 A JP 17834097A JP H1127208 A5 JPH1127208 A5 JP H1127208A5
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JP
Japan
Prior art keywords
optical
signal
connect device
optical switch
cross
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.)
Granted
Application number
JP1997178340A
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Japanese (ja)
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JP3854372B2 (en
JPH1127208A (en
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP17834097A external-priority patent/JP3854372B2/en
Priority to JP17834097A priority Critical patent/JP3854372B2/en
Priority to US09/106,903 priority patent/US6362905B1/en
Priority to DE69841211T priority patent/DE69841211D1/en
Priority to EP09006860A priority patent/EP2091264A2/en
Priority to EP19980112188 priority patent/EP0889665B1/en
Priority to CN 200510137015 priority patent/CN1790952B/en
Priority to CN 98103190 priority patent/CN1244206C/en
Publication of JPH1127208A publication Critical patent/JPH1127208A/en
Priority to US10/059,337 priority patent/US6813445B2/en
Priority to US10/924,976 priority patent/US7272314B2/en
Publication of JPH1127208A5 publication Critical patent/JPH1127208A5/ja
Publication of JP3854372B2 publication Critical patent/JP3854372B2/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【００１５】
【課題を解決するための手段】
本発明によれば前記目的は、光スイッチ回路を用いて光伝送信号の線路切り替えを行う光クロスコネクト装置において、光伝送信号入力部と前記光スイッチ回路との間に設けられる光信号監視手段と、内蔵する信号源あるいは外部信号源、例えば、光伝送端局装置の予備光送信部から供給される監視用光信号を信号線路に送出する手段とを備え、前記監視用光信号が、線形中継器あるいは再生中継器を通過可能な監視用光信号であることにより達成される。 [0015]
[Means for solving the problem]
According to the present invention, the above-mentioned object is achieved by an optical cross-connect device that uses an optical switch circuit to switch the line of an optical transmission signal, comprising: an optical signal monitoring means provided between an optical transmission signal input unit and the optical switch circuit; and a means for transmitting a monitoring optical signal supplied from an internal signal source or an external signal source, for example, a standby optical transmitter unit of an optical transmission terminal device, to the signal line, wherein the monitoring optical signal is a monitoring optical signal that can pass through a linear repeater or a regenerative repeater .

Claims (10)

光スイッチ回路を用いて光伝送信号の線路切り替えを行う光クロスコネクト装置において、光伝送信号入力部と前記光スイッチ回路との間に設けられる光信号監視手段と、内蔵する信号源あるいは外部信号源から供給される監視用光信号を信号線路に送出する手段とを備え、前記監視用光信号は、線形中継器あるいは再生中継器を通過可能な監視用光信号であることを特徴とする光クロスコネクト装置。An optical cross-connect device that switches the line of an optical transmission signal using an optical switch circuit, comprising: an optical signal monitoring means provided between an optical transmission signal input unit and the optical switch circuit; and a means for transmitting a monitoring optical signal supplied from an internal signal source or an external signal source to the signal line , wherein the monitoring optical signal is a monitoring optical signal that can pass through a linear repeater or a regenerative repeater . 前記外部信号源からの監視用光信号として、光伝送端局装置の予備光送信部からの光信号を使用することを特徴とする請求項１記載の光クロスコネクト装置。2. The optical cross-connect device according to claim 1, wherein an optical signal from a standby optical transmitter of an optical transmission terminal device is used as the supervisory optical signal from the external signal source. 光スイッチ回路を用いて光伝送信号の線路切り替えを行う光クロスコネクト装置において、光伝送信号入力部と前記光スイッチ回路との間に設けられる光信号監視手段と、前記光スイッチ回路と光伝送信号出力部との間に設けられる光信号監視手段とを備えたことを特徴とする光クロスコネクト装置。An optical cross-connect device that switches the line of an optical transmission signal using an optical switch circuit, characterized in that it comprises an optical signal monitoring means provided between an optical transmission signal input unit and the optical switch circuit, and an optical signal monitoring means provided between the optical switch circuit and the optical transmission signal output unit. 前記２つの光信号監視手段の出力を用いて、光スイッチ回路の入力部及び出力部の光伝送信号状態を比較することにより前記光スイッチ回路の故障診断を行うことを特徴とする請求項３記載の光クロスコネクト装置。4. The optical cross-connect device according to claim 3, wherein the outputs of said two optical signal monitoring means are used to compare the optical transmission signal states at the input and output parts of the optical switch circuit to diagnose a fault in said optical switch circuit. 光スイッチ回路を用いて光伝送信号の線路切り替えを行う光クロスコネクト装置において、光伝送信号入力部と前記光スイッチ回路との間に設けられる光信号監視手段と、内蔵する信号源あるいは外部信号源から供給される監視用光信号を信号線路に送出する手段と、平常時用と予備用とに用意された２つの光スイッチ回路と、前記２つの光スイッチ回路それぞれへの入力が前記光伝送信号か監視用光信号かを選択する第１の光スイッチ部と、前記２つの光スイッチ回路それぞれからの出力先が光伝送線路か光信号監視手段かを選択する第２の光スイッチ部とを備え、前記監視用光信号は、線形中継器あるいは再生中継器を通過可能な監視用光信号であることを特徴とする光クロスコネクト装置。 an optical cross-connect device for switching the lines of an optical transmission signal using an optical switch circuit, comprising: an optical signal monitoring means provided between an optical transmission signal input section and the optical switch circuit; a means for sending a monitoring optical signal supplied from an internal signal source or an external signal source to the signal line; two optical switch circuits prepared for normal use and for standby use; a first optical switch section for selecting whether the input to each of the two optical switch circuits is the optical transmission signal or the monitoring optical signal; and a second optical switch section for selecting whether the output destination from each of the two optical switch circuits is the optical transmission line or the optical signal monitoring means, wherein the monitoring optical signal is a monitoring optical signal that can pass through a linear repeater or a regenerative repeater . 監視用光信号と光信号監視手段の出力とを用いて、光スイッチ回路が正常であることの確認機能及び故障発生時の故障箇所の同定機能をさらに有することを特徴とする請求項５記載の光クロスコネクト装置。6. The optical cross-connect device according to claim 5, further comprising a function of confirming that the optical switch circuit is normal and a function of identifying a fault location when a fault occurs, using the supervisory optical signal and the output of the optical signal supervisory means. 平常時には予備用光伝送線路へ監視用光信号を送出し、障害時には平常時用光伝送線路へ監視用光信号を送出することを特徴とする請求項１ないし６のうちいずれか１記載の光クロスコネクト装置。7. The optical cross-connect device according to claim 1, wherein a supervisory optical signal is sent to a protection optical transmission line during normal operation, and a supervisory optical signal is sent to a normal optical transmission line during a fault. 監視用光信号を用い、平常時には予備用光伝送線路が正常であることを確認し、障害時には平常時用光伝送線路が復旧したことを確認する機能を有することを特徴とする請求項７記載の光クロスコネクト装置。8. The optical cross-connect device according to claim 7, further comprising a function of using a supervisory optical signal to confirm that the backup optical transmission line is normal under normal circumstances, and to confirm that the normal optical transmission line has been restored under fault conditions. 光クロスコネクト装置を用いた光伝送システムにおいて、前記光クロスコネクト装置として請求項１ないし８のうちいずれか１記載の光クロスコネクト装置を使用することを特徴とする光伝送システム。9. An optical transmission system using an optical cross-connect device, wherein the optical cross-connect device according to claim 1 is used as said optical cross-connect device. 光スイッチ回路を用いて光伝送信号の線路切り替えを行う光クロスコネクト装置において、平常時用と予備用とに用意された２つの光スイッチ回路と、光伝送信号が前記２つの光スイッチ回路のどちらに入力するかを選択する第１の光スイッチ部と、前記２つの光スイッチ回路のどちらかの出力を選択する第２の光スイッチ部と、前記第１の光スイッチ部と光信号入力部との間、前記第２の光スイッチ部と光信号出力部との間のいずれか一方または両方に設けられた光信号監視手段とを備え、前記第１及び第２の光スイッチ部が連動An optical cross-connect device for switching the line of an optical transmission signal using optical switch circuits comprises two optical switch circuits prepared for normal use and for backup use, a first optical switch section for selecting which of the two optical switch circuits an optical transmission signal is input to, a second optical switch section for selecting the output of one of the two optical switch circuits, and an optical signal monitoring means provided between the first optical switch section and an optical signal input section, or between the second optical switch section and an optical signal output section, or both, and the first and second optical switch sections are interlocked. して動作することを特徴とする光クロスコネクト装置。2. An optical cross-connect device that operates as follows.
JP17834097A 1997-02-24 1997-07-03 Optical cross-connect device Expired - Fee Related JP3854372B2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP17834097A JP3854372B2 (en) 1997-07-03 1997-07-03 Optical cross-connect device
US09/106,903 US6362905B1 (en) 1997-02-24 1998-06-30 Optical crossconnect apparatus and optical transmission system
DE69841211T DE69841211D1 (en) 1997-07-03 1998-07-01 Optical cross connection system and optical transmission system
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 98103190 CN1244206C (en) 1997-07-03 1998-07-03 Optical cross-connect device and optical transmission system
CN 200510137015 CN1790952B (en) 1997-07-03 1998-07-03 Optical crossconnect apparatus and optical transmission system
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 (en) 1997-07-03 1997-07-03 Optical cross-connect device

Publications (3)

Publication Number Publication Date
JPH1127208A JPH1127208A (en) 1999-01-29
JPH1127208A5 true JPH1127208A5 (en) 2005-04-07
JP3854372B2 JP3854372B2 (en) 2006-12-06

Family

ID=16046788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17834097A Expired - Fee Related JP3854372B2 (en) 1997-02-24 1997-07-03 Optical cross-connect device

Country Status (2)

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

Families Citing this family (9)

* 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
CN104272153A (en) * 2012-03-01 2015-01-07 蒂科电子公司 Keying for MPO systems
JP6104652B2 (en) * 2013-03-11 2017-03-29 株式会社日立製作所 Switching device and transmission system
CN115603801A (en) * 2021-06-28 2023-01-13 华为技术有限公司（Cn） All-optical cross device and wavelength selection switch
WO2023166593A1 (en) * 2022-03-02 2023-09-07 日本電信電話株式会社 Optical path switching node, optical fiber network, and test method for optical fiber network
EP4597881A1 (en) * 2022-09-28 2025-08-06 Nippon Telegraph And Telephone Corporation Optical communication device and optical communication pathway opening method
WO2026042229A1 (en) * 2024-08-22 2026-02-26 Ｎｔｔ株式会社 Optical cross-connect device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01228328A (en) * 1988-03-09 1989-09-12 Fujitsu Ltd Line switching system for transmission line
GB8910957D0 (en) * 1989-05-12 1989-06-28 Plessey Telecomm Optical transmission apparatus
JPH0799816B2 (en) * 1990-01-10 1995-10-25 富士通株式会社 Protection line switching control method
JP2928046B2 (en) * 1993-04-16 1999-07-28 日本電気株式会社 Optical network and its fault recovery system

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