JP2002527990A - 単方向性光リングネットワーク - Google Patents

単方向性光リングネットワーク

Info

Publication number
JP2002527990A
JP2002527990A JP2000576569A JP2000576569A JP2002527990A JP 2002527990 A JP2002527990 A JP 2002527990A JP 2000576569 A JP2000576569 A JP 2000576569A JP 2000576569 A JP2000576569 A JP 2000576569A JP 2002527990 A JP2002527990 A JP 2002527990A
Authority
JP
Japan
Prior art keywords
data signal
network
optical
coupling device
ring network
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.)
Withdrawn
Application number
JP2000576569A
Other languages
English (en)
Japanese (ja)
Inventor
プロッツ ヴィルヘルム−マルティン
レードルファー ミヒャエル
ツーバー−オクロク クノ
シュライプレーナー マルティン
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of JP2002527990A publication Critical patent/JP2002527990A/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • 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)
JP2000576569A 1998-10-14 1999-10-14 単方向性光リングネットワーク Withdrawn JP2002527990A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19847410.5 1998-10-14
DE19847410A DE19847410A1 (de) 1998-10-14 1998-10-14 Optisches unidirektionales Ringnetz
PCT/DE1999/003303 WO2000022765A1 (fr) 1998-10-14 1999-10-14 Reseau en anneau optique unidirectionnel

Publications (1)

Publication Number Publication Date
JP2002527990A true JP2002527990A (ja) 2002-08-27

Family

ID=7884480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000576569A Withdrawn JP2002527990A (ja) 1998-10-14 1999-10-14 単方向性光リングネットワーク

Country Status (4)

Country Link
EP (1) EP1121777A1 (fr)
JP (1) JP2002527990A (fr)
DE (1) DE19847410A1 (fr)
WO (1) WO2000022765A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006035520A1 (fr) * 2004-09-29 2006-04-06 Fujitsu Limited Dispositif d’insertion/branchement de lumiere et systeme de reseau optique
JP2020036290A (ja) * 2018-08-31 2020-03-05 日本電信電話株式会社 光ネットワーク、光伝送システムおよびこれに含まれる光ノード

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19939853C2 (de) * 1999-08-23 2003-03-13 Siemens Ag Add/Drop-Drop & Continue-Modul und Drop & Continue-Modul
US7218805B2 (en) 2001-07-13 2007-05-15 Transmode Holding Ab WDM ring network for flexible connections
US9246623B2 (en) 2013-12-02 2016-01-26 At&T Intellectual Property I, L.P. Method and apparatus for routing traffic using asymmetrical optical connections

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2121955C (fr) * 1993-04-23 1999-05-11 Mitsuru Yamamoto Ethode de transmission d'informations entre terminaux dans un reseau utilisant des faisceaux lumineux de longueurs d'onde diverses, terminaux utilises dans cette methode et reseauutilisant cette methode
DE69620414T2 (de) * 1995-08-04 2002-11-14 Alcatel Sa Optischer einfügungs- und abtrennmultiplexer
US5982518A (en) * 1996-03-27 1999-11-09 Ciena Corporation Optical add-drop multiplexers compatible with very dense WDM optical communication systems

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006035520A1 (fr) * 2004-09-29 2006-04-06 Fujitsu Limited Dispositif d’insertion/branchement de lumiere et systeme de reseau optique
GB2433662A (en) * 2004-09-29 2007-06-27 Fujitsu Ltd Light inserting/branching device and optical network system
GB2433662B (en) * 2004-09-29 2009-04-08 Fujitsu Ltd Optical add/drop multiplexer and optical network system
US7657181B2 (en) 2004-09-29 2010-02-02 Fujitsu Limited Optical add/drop multiplexer and optical network system
JP2020036290A (ja) * 2018-08-31 2020-03-05 日本電信電話株式会社 光ネットワーク、光伝送システムおよびこれに含まれる光ノード
JP7063202B2 (ja) 2018-08-31 2022-05-09 日本電信電話株式会社 光ネットワーク、光伝送システムおよびこれに含まれる光ノード
US11736193B2 (en) 2018-08-31 2023-08-22 Nippon Telegraph And Telephone Corporation Optical network, optical transport system, and optical node included therein

Also Published As

Publication number Publication date
WO2000022765B1 (fr) 2000-08-03
WO2000022765A1 (fr) 2000-04-20
DE19847410A1 (de) 2000-04-20
EP1121777A1 (fr) 2001-08-08

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Legal Events

Date Code Title Description
A300 Application deemed to be withdrawn because no request for examination was validly filed

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20070109