SE9404446L - Nodarkitektur för tillämpning av optisk optimering (OADM) - Google Patents
Nodarkitektur för tillämpning av optisk optimering (OADM)Info
- Publication number
- SE9404446L SE9404446L SE9404446A SE9404446A SE9404446L SE 9404446 L SE9404446 L SE 9404446L SE 9404446 A SE9404446 A SE 9404446A SE 9404446 A SE9404446 A SE 9404446A SE 9404446 L SE9404446 L SE 9404446L
- Authority
- SE
- Sweden
- Prior art keywords
- subnode
- pct
- optical
- alarm signal
- state
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 6
- 238000005457 optimization Methods 0.000 title 1
- 238000000034 method Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
Classifications
-
- 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
- H04J14/0201—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]
- H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
-
- 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
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
-
- 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
- H04J14/0206—Express channels arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0066—Provisions for optical burst or packet networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0009—Construction using wavelength filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0037—Operation
- H04Q2011/0043—Fault tolerance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/009—Topology aspects
- H04Q2011/0092—Ring
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Small-Scale Networks (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Semiconductor Lasers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Eyeglasses (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9404446A SE514658C2 (sv) | 1994-12-21 | 1994-12-21 | Nodarkitektur för tillämpning av optisk optimering (OADM) |
CA002207553A CA2207553A1 (en) | 1994-12-21 | 1995-12-11 | Optical add drop multiplex (oadm) |
AT95941956T ATE256358T1 (de) | 1994-12-21 | 1995-12-11 | Optisches ein-/ausfügemultiplex |
EP95941956A EP0799536B1 (en) | 1994-12-21 | 1995-12-11 | Optical add drop multiplex (oadm) |
AU43201/96A AU697436B2 (en) | 1994-12-21 | 1995-12-11 | Optical add drop multiplex (OADM) |
US08/849,693 US6097516A (en) | 1994-12-21 | 1995-12-11 | Optical add drop multiplex (OADM) |
CN95196920A CN1101626C (zh) | 1994-12-21 | 1995-12-11 | 自复节点构造的方法和系统 |
PCT/SE1995/001490 WO1996019884A1 (en) | 1994-12-21 | 1995-12-11 | Optical add drop multiplex (oadm) |
DE69532296T DE69532296T2 (de) | 1994-12-21 | 1995-12-11 | Optisches ein-/ausfügemultiplex |
JP8519715A JPH10511821A (ja) | 1994-12-21 | 1995-12-11 | 光加減マルチプレックス(oadm) |
KR1019970704152A KR100333253B1 (ko) | 1994-12-21 | 1995-12-11 | 광애드드롭멀티플렉싱(oadm)장치및방법 |
FI972666A FI112136B (sv) | 1994-12-21 | 1997-06-19 | Optisk adderings-sänkningsmultiplexer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9404446A SE514658C2 (sv) | 1994-12-21 | 1994-12-21 | Nodarkitektur för tillämpning av optisk optimering (OADM) |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9404446D0 SE9404446D0 (sv) | 1994-12-21 |
SE9404446L true SE9404446L (sv) | 1996-06-22 |
SE514658C2 SE514658C2 (sv) | 2001-03-26 |
Family
ID=20396414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9404446A SE514658C2 (sv) | 1994-12-21 | 1994-12-21 | Nodarkitektur för tillämpning av optisk optimering (OADM) |
Country Status (12)
Country | Link |
---|---|
US (1) | US6097516A (sv) |
EP (1) | EP0799536B1 (sv) |
JP (1) | JPH10511821A (sv) |
KR (1) | KR100333253B1 (sv) |
CN (1) | CN1101626C (sv) |
AT (1) | ATE256358T1 (sv) |
AU (1) | AU697436B2 (sv) |
CA (1) | CA2207553A1 (sv) |
DE (1) | DE69532296T2 (sv) |
FI (1) | FI112136B (sv) |
SE (1) | SE514658C2 (sv) |
WO (1) | WO1996019884A1 (sv) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1283372B1 (it) * | 1996-07-31 | 1998-04-17 | Pirelli Cavi S P A Ora Pirelli | Dispositivo per l'inserimento e l'estrazione di segnali ottici |
JPH10126350A (ja) * | 1996-10-15 | 1998-05-15 | Nec Corp | 光ネットワーク、光分岐挿入ノードおよび障害回復方式 |
SE9702685D0 (sv) | 1997-07-11 | 1997-07-11 | Ericsson Telefon Ab L M | Self-healing ring network and a method for fault detection and rectifying |
JPH1198077A (ja) * | 1997-09-16 | 1999-04-09 | Nec Corp | 光波ネットワークシステム |
US6396852B1 (en) * | 1997-11-18 | 2002-05-28 | Jane Marie Simmons | Ring bundling in the design of rings for telecommunications networks |
US6020986A (en) * | 1997-11-21 | 2000-02-01 | Jds Uniphase Corporation | Programmable add-drop module for use in an optical circuit |
US5974207A (en) * | 1997-12-23 | 1999-10-26 | Lucent Technologies, Inc. | Article comprising a wavelength-selective add-drop multiplexer |
US6400476B1 (en) | 1997-12-31 | 2002-06-04 | Cisco Photonics Italy S.R.L. | Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic |
EP1030480A3 (en) * | 1999-02-19 | 2002-06-12 | JDS Uniphase Inc. | Configurable optical circuit |
GB2347809B (en) | 1999-03-12 | 2001-06-20 | Marconi Comm Ltd | Signal transmission system |
US8554076B1 (en) * | 1999-10-04 | 2013-10-08 | At&T Intellectual Property Ii, L.P. | Methods and systems for constructing optical networks |
US20010038473A1 (en) * | 2000-03-10 | 2001-11-08 | Ming-Jun Li | Devices and methods for controlling protection switching in an optical channel shared protection ring |
US6288812B1 (en) | 2000-11-03 | 2001-09-11 | Seneca Networks | Bidirectional WDM optical communication network with optical bridge between bidirectional optical waveguides |
US20020159392A1 (en) * | 2001-04-25 | 2002-10-31 | Adc Telecommunications Israel Ltd. | Simplified ATM ring protection for access networks |
IL143368A (en) * | 2001-05-24 | 2006-07-05 | Shlomo Orbach | Multiply up and down optical signals |
US7272307B2 (en) | 2001-05-25 | 2007-09-18 | Tellabs Operations, Inc. | Virtual protection channel for fiber optic ring network |
CA2353307A1 (fr) | 2001-07-13 | 2003-01-13 | Carmen Parent | Appareil et procede pour le traitement des effluents gazeux |
CN100346588C (zh) * | 2001-10-29 | 2007-10-31 | 上海贝尔有限公司 | 用于波分复用光网的双纤双向通道/复用段倒换环系统 |
IL146822A0 (en) | 2001-11-29 | 2002-07-25 | Lightscape Networks Ltd | Method and device for expanding communication networks |
CA2415598A1 (en) | 2002-01-11 | 2003-07-11 | Nec Corporation | Multiplex communication system and method |
CA2405635A1 (en) | 2002-09-27 | 2004-03-27 | C02 Solution Inc. | A process and a plant for the production of useful carbonated species and for the recycling of carbon dioxide emissions from power plants |
JP2005352202A (ja) * | 2004-06-10 | 2005-12-22 | Sumitomo Electric Ind Ltd | 光回路、光合波器及び光分波器 |
US20050281295A1 (en) * | 2004-06-16 | 2005-12-22 | Fishman Daniel A | Optical add/drop multiplexer having an alternated channel configuration |
US7286763B2 (en) * | 2004-06-16 | 2007-10-23 | Lucent Technologies Inc. | Optical add/drop multiplexer having a banded channel configuration |
US8683044B2 (en) | 2005-03-16 | 2014-03-25 | Vonage Network Llc | Third party call control application program interface |
JP4855209B2 (ja) * | 2006-10-19 | 2012-01-18 | 富士通株式会社 | 光伝送装置 |
EP2243258A1 (en) | 2007-12-21 | 2010-10-27 | Telecom Italia S.p.A. | Protecting an ethernet network having a ring architecture |
EP3051759A4 (en) * | 2013-09-26 | 2017-06-07 | Nec Corporation | Optical reception device, optical transmission device, optical communication system, optical communication method, and storage medium with program stored thereon |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1229149A (sv) * | 1969-07-28 | 1971-04-21 | ||
US4190821A (en) * | 1978-10-02 | 1980-02-26 | Burroughs Corporation | Self-healing loop communications system |
US4704713A (en) * | 1985-12-26 | 1987-11-03 | Bell Communications Research, Inc. | Optical ring network |
JPH0695688B2 (ja) * | 1986-08-26 | 1994-11-24 | 日本電気株式会社 | ル−プバック制御装置 |
US5229875A (en) * | 1989-05-30 | 1993-07-20 | Glista Andrew S | Fault-tolerant fiber optic coupler/repeater for use in high speed data transmission and the like |
US4797879A (en) * | 1987-06-05 | 1989-01-10 | American Telephone And Telegraph Company At&T Bell Laboratories | Packet switched interconnection protocols for a star configured optical lan |
BR8901185A (pt) * | 1989-03-09 | 1990-10-16 | Brasil Compressores Sa | Sistema de descarga para compressor rotativo de pistao rolante |
US5185736A (en) * | 1989-05-12 | 1993-02-09 | Alcatel Na Network Systems Corp. | Synchronous optical transmission system |
US5208692A (en) * | 1989-06-29 | 1993-05-04 | Digital Equipment Corporation | High bandwidth network based on wavelength division multiplexing |
US5003531A (en) * | 1989-08-11 | 1991-03-26 | Infotron Systems Corporation | Survivable network using reverse protection ring |
SE469149B (sv) * | 1990-12-07 | 1993-05-17 | Ellemtel Utvecklings Ab | Optisk vaeljare, optisk korskopplare och saett att omkoppla grupper av optiska signaler |
GB9202666D0 (en) * | 1992-02-07 | 1992-03-25 | Madge Networks Ltd | Communication system |
US5278824A (en) * | 1992-06-02 | 1994-01-11 | At&T Bell Laboratories | Dual hubbing in a bidirectional line-switched ring transmission system |
US5442623A (en) * | 1992-08-17 | 1995-08-15 | Bell Communications Research, Inc. | Passive protected self healing ring network |
US5335104A (en) * | 1992-10-22 | 1994-08-02 | Laser Precision Corp. | Method of detecting breaks in multi-drop feeder systems |
JP3347382B2 (ja) * | 1993-02-23 | 2002-11-20 | 株式会社東芝 | 光アド・ドロップ波長多重分離装置 |
DE59310326D1 (de) * | 1993-10-29 | 2003-02-27 | Siemens Ag | Optisches, transparentes Ringnetz mit Ersatzschaltwegen |
ATE270012T1 (de) * | 1993-10-29 | 2004-07-15 | Siemens Ag | Optisches, transparentes ringnetz mit auskoppelung eines signales einer wellenlänge in einem oder mehreren ringknoten |
US5680235A (en) * | 1995-04-13 | 1997-10-21 | Telefonaktiebolaget Lm Ericsson | Optical multichannel system |
-
1994
- 1994-12-21 SE SE9404446A patent/SE514658C2/sv not_active IP Right Cessation
-
1995
- 1995-12-11 KR KR1019970704152A patent/KR100333253B1/ko not_active IP Right Cessation
- 1995-12-11 CN CN95196920A patent/CN1101626C/zh not_active Expired - Lifetime
- 1995-12-11 JP JP8519715A patent/JPH10511821A/ja active Pending
- 1995-12-11 AU AU43201/96A patent/AU697436B2/en not_active Expired
- 1995-12-11 CA CA002207553A patent/CA2207553A1/en not_active Abandoned
- 1995-12-11 WO PCT/SE1995/001490 patent/WO1996019884A1/en active IP Right Grant
- 1995-12-11 EP EP95941956A patent/EP0799536B1/en not_active Expired - Lifetime
- 1995-12-11 US US08/849,693 patent/US6097516A/en not_active Expired - Lifetime
- 1995-12-11 AT AT95941956T patent/ATE256358T1/de not_active IP Right Cessation
- 1995-12-11 DE DE69532296T patent/DE69532296T2/de not_active Expired - Lifetime
-
1997
- 1997-06-19 FI FI972666A patent/FI112136B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1170485A (zh) | 1998-01-14 |
WO1996019884A1 (en) | 1996-06-27 |
FI972666A0 (sv) | 1997-06-19 |
CA2207553A1 (en) | 1996-06-27 |
AU697436B2 (en) | 1998-10-08 |
FI972666A (sv) | 1997-06-19 |
US6097516A (en) | 2000-08-01 |
JPH10511821A (ja) | 1998-11-10 |
KR100333253B1 (ko) | 2002-11-20 |
DE69532296D1 (de) | 2004-01-22 |
CN1101626C (zh) | 2003-02-12 |
EP0799536A1 (en) | 1997-10-08 |
ATE256358T1 (de) | 2003-12-15 |
SE9404446D0 (sv) | 1994-12-21 |
SE514658C2 (sv) | 2001-03-26 |
AU4320196A (en) | 1996-07-10 |
DE69532296T2 (de) | 2004-10-21 |
EP0799536B1 (en) | 2003-12-10 |
FI112136B (sv) | 2003-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |