SE9900991L - Mottagartransponder för skyddade nät - Google Patents
Mottagartransponder för skyddade nätInfo
- Publication number
- SE9900991L SE9900991L SE9900991A SE9900991A SE9900991L SE 9900991 L SE9900991 L SE 9900991L SE 9900991 A SE9900991 A SE 9900991A SE 9900991 A SE9900991 A SE 9900991A SE 9900991 L SE9900991 L SE 9900991L
- Authority
- SE
- Sweden
- Prior art keywords
- optical
- signal
- laser
- converters
- switch
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 abstract 4
- 239000000835 fiber Substances 0.000 abstract 2
- 238000001514 detection method 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
- H04J14/0293—Optical channel protection
- H04J14/0294—Dedicated protection at the optical channel (1+1)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/275—Ring-type networks
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
- H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
-
- 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
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9900991A SE516316C2 (sv) | 1999-03-18 | 1999-03-18 | Mottagartransponder för skyddade nät |
EP00919219A EP1166475A1 (en) | 1999-03-18 | 2000-03-20 | A receiver transponder for protected networks |
US09/936,961 US7327960B1 (en) | 1999-03-18 | 2000-03-20 | Receiver transponder for protected networks |
PCT/SE2000/000544 WO2000055995A1 (en) | 1999-03-18 | 2000-03-20 | A receiver transponder for protected networks |
AU39927/00A AU3992700A (en) | 1999-03-18 | 2000-03-20 | A receiver transponder for protected networks |
US09/637,027 US6639703B1 (en) | 1999-03-18 | 2000-08-14 | Receiver transponder for protected networks |
US10/462,087 US7016609B2 (en) | 1999-03-18 | 2003-06-12 | Receiver transponder for protected networks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9900991A SE516316C2 (sv) | 1999-03-18 | 1999-03-18 | Mottagartransponder för skyddade nät |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9900991D0 SE9900991D0 (sv) | 1999-03-18 |
SE9900991L true SE9900991L (sv) | 2000-09-19 |
SE516316C2 SE516316C2 (sv) | 2001-12-17 |
Family
ID=20414909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9900991A SE516316C2 (sv) | 1999-03-18 | 1999-03-18 | Mottagartransponder för skyddade nät |
Country Status (5)
Country | Link |
---|---|
US (3) | US7327960B1 (sv) |
EP (1) | EP1166475A1 (sv) |
AU (1) | AU3992700A (sv) |
SE (1) | SE516316C2 (sv) |
WO (1) | WO2000055995A1 (sv) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE516316C2 (sv) * | 1999-03-18 | 2001-12-17 | Cisco Systems Sweden Ab | Mottagartransponder för skyddade nät |
US6847787B2 (en) * | 2001-09-07 | 2005-01-25 | Redfern Broadband Networks Inc. | WDM network node module |
US7421197B2 (en) * | 2003-01-21 | 2008-09-02 | Fujitsu Limited | Optical network protection switching architecture |
US7509047B2 (en) * | 2004-03-12 | 2009-03-24 | Futurewei Technologies, Inc. | System and method for subcarrier modulation in ISM band as supervisory channel |
JP4520763B2 (ja) * | 2004-03-29 | 2010-08-11 | 富士通株式会社 | 中継伝送装置 |
DE602005012077D1 (de) * | 2004-05-03 | 2009-02-12 | Huawei Tech Co Ltd | System und verfahren zur subträgermodulation im ism-band als beaufsichtigungskanal |
US8078103B2 (en) | 2005-10-31 | 2011-12-13 | Zih Corp. | Multi-element RFID coupler |
US8207814B2 (en) * | 2007-03-09 | 2012-06-26 | Utc Fire & Security Americas Corporation, Inc. | Kit and system for providing security access to a door using power over ethernet with data persistence and fire alarm control panel integration |
US20160359567A1 (en) * | 2015-06-02 | 2016-12-08 | Alcatel-Lucent Usa Inc. | Multi-endpoint optical receiver |
US10524130B2 (en) | 2017-07-13 | 2019-12-31 | Sophos Limited | Threat index based WLAN security and quality of service |
US11350061B1 (en) * | 2021-11-11 | 2022-05-31 | Frontier Communications Holdings, Llc | Systems and methods for collecting information regarding optical connections in a fiber distribution hub of a passive optical network |
US11356177B1 (en) | 2021-11-11 | 2022-06-07 | Frontier Communications Holdings, Llc | Systems and methods for mapping optical connections in a fiber distribution hub of a passive optical network |
US11391894B1 (en) | 2021-11-11 | 2022-07-19 | Frontier Communications Holdings, Llc | Passive optical couplers having passive optical activity indicators and methods of operating the same |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4227260A (en) * | 1978-11-06 | 1980-10-07 | The Singer Company | Electronic active star element for an optical data transmission system |
US4829512A (en) * | 1986-08-26 | 1989-05-09 | Nec Corporation | Loop-back control apparatus for a loop network having duplicate optical fiber transmission lines |
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 |
JPH088530B2 (ja) * | 1989-07-27 | 1996-01-29 | 富士通株式会社 | 光中継器 |
JP2528225B2 (ja) * | 1991-09-18 | 1996-08-28 | 富士通株式会社 | 伝送路切替方式 |
DE69530803D1 (de) * | 1994-02-17 | 2003-06-26 | Toshiba Kawasaki Kk | Optisches Wellenlängenmultiplex Netzwerk |
JP3439533B2 (ja) | 1994-06-24 | 2003-08-25 | 富士通株式会社 | 選択的保護機能を有するsdh2−ファイバリング光多重装置 |
SE506748C2 (sv) | 1995-06-26 | 1998-02-09 | Ericsson Telefon Ab L M | Förfarande och anordning för att borttaga och addera kanaler i en optisk multiplexor |
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 |
US5986783A (en) * | 1997-02-10 | 1999-11-16 | Optical Networks, Inc. | Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks |
SE509807C2 (sv) | 1997-05-15 | 1999-03-08 | Ericsson Telefon Ab L M | Anordning vid add/drop-nod i ett väglängds- multiplexerat optiskt kommunikationssystem. |
JPH1140840A (ja) * | 1997-07-16 | 1999-02-12 | Sumitomo Electric Ind Ltd | 光受信器 |
US6631018B1 (en) * | 1997-08-27 | 2003-10-07 | Nortel Networks Limited | WDM optical network with passive pass-through at each node |
SE516316C2 (sv) | 1999-03-18 | 2001-12-17 | Cisco Systems Sweden Ab | Mottagartransponder för skyddade nät |
-
1999
- 1999-03-18 SE SE9900991A patent/SE516316C2/sv not_active IP Right Cessation
-
2000
- 2000-03-20 WO PCT/SE2000/000544 patent/WO2000055995A1/en not_active Application Discontinuation
- 2000-03-20 AU AU39927/00A patent/AU3992700A/en not_active Abandoned
- 2000-03-20 US US09/936,961 patent/US7327960B1/en not_active Expired - Lifetime
- 2000-03-20 EP EP00919219A patent/EP1166475A1/en not_active Withdrawn
- 2000-08-14 US US09/637,027 patent/US6639703B1/en not_active Expired - Lifetime
-
2003
- 2003-06-12 US US10/462,087 patent/US7016609B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE9900991D0 (sv) | 1999-03-18 |
US20040175178A1 (en) | 2004-09-09 |
US7016609B2 (en) | 2006-03-21 |
AU3992700A (en) | 2000-10-04 |
SE516316C2 (sv) | 2001-12-17 |
EP1166475A1 (en) | 2002-01-02 |
WO2000055995A1 (en) | 2000-09-21 |
US7327960B1 (en) | 2008-02-05 |
US6639703B1 (en) | 2003-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |