DE69233303D1 - Ringförmige 1:N Schutzeinrichtung - Google Patents
Ringförmige 1:N SchutzeinrichtungInfo
- Publication number
- DE69233303D1 DE69233303D1 DE69233303T DE69233303T DE69233303D1 DE 69233303 D1 DE69233303 D1 DE 69233303D1 DE 69233303 T DE69233303 T DE 69233303T DE 69233303 T DE69233303 T DE 69233303T DE 69233303 D1 DE69233303 D1 DE 69233303D1
- Authority
- DE
- Germany
- Prior art keywords
- ring
- shaped
- protective device
- protective
- 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
Links
- 230000001681 protective effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/437—Ring fault isolation or reconfiguration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/14—Monitoring arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0057—Operations, administration and maintenance [OAM]
- H04J2203/006—Fault tolerance and recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Time-Division Multiplex Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US806563 | 1991-12-12 | ||
US07/806,563 US5216666A (en) | 1991-12-12 | 1991-12-12 | 1:n ring-type signal protection apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69233303D1 true DE69233303D1 (de) | 2004-03-18 |
DE69233303T2 DE69233303T2 (de) | 2004-12-16 |
Family
ID=25194315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69233303T Expired - Fee Related DE69233303T2 (de) | 1991-12-12 | 1992-12-05 | Ringförmige 1:N Schutzeinrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5216666A (de) |
EP (1) | EP0548648B1 (de) |
CA (1) | CA2076844C (de) |
DE (1) | DE69233303T2 (de) |
ES (1) | ES2214470T3 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2528225B2 (ja) * | 1991-09-18 | 1996-08-28 | 富士通株式会社 | 伝送路切替方式 |
GB9127116D0 (en) * | 1991-12-20 | 1992-02-19 | Jahromi Fazlollah R | Interconnecting communications networks |
US5479608A (en) * | 1992-07-17 | 1995-12-26 | Alcatel Network Systems, Inc. | Group facility protection in a digital telecommunications system |
GB9225081D0 (en) * | 1992-12-01 | 1993-01-20 | Plessey Telecomm | Dual connections |
JPH0758717A (ja) * | 1993-08-18 | 1995-03-03 | Fujitsu Ltd | デジタル伝送装置のトリビュタリインタフェイス |
JP3082554B2 (ja) * | 1994-01-11 | 2000-08-28 | 株式会社日立製作所 | セルフヒーリングリングスイッチ |
GB9403223D0 (en) * | 1994-02-19 | 1994-04-13 | Plessey Telecomm | Telecommunications network including remote channel switching protection apparatus |
JP3561848B2 (ja) * | 1994-03-01 | 2004-09-02 | 富士通株式会社 | 伝送装置及び冗長構成切替方法 |
JPH0818592A (ja) * | 1994-06-30 | 1996-01-19 | Fujitsu Ltd | 光学的スイッチングによるリング保護を有する光ファイバー伝送システム |
US5574718A (en) * | 1994-07-01 | 1996-11-12 | Dsc Communications Corporation | Signal protection and monitoring system |
GB2294613B (en) * | 1994-10-26 | 1998-12-23 | Northern Telecom Ltd | Tributary protection system |
JP3556323B2 (ja) * | 1995-06-15 | 2004-08-18 | 富士通株式会社 | 中継装置 |
JP3819480B2 (ja) * | 1996-06-28 | 2006-09-06 | 株式会社日立コミュニケーションテクノロジー | 多重変換装置の構築方法 |
SE506680C2 (sv) | 1996-12-20 | 1998-01-26 | Ericsson Telefon Ab L M | Förfarande för nätverksskydd samt anordningar därför |
US6298038B1 (en) * | 1997-04-24 | 2001-10-02 | Nortel Networks Limited | Transparent transport |
US6631018B1 (en) | 1997-08-27 | 2003-10-07 | Nortel Networks Limited | WDM optical network with passive pass-through at each node |
US6526021B1 (en) * | 1998-04-03 | 2003-02-25 | Alcatel Network Systems, Inc. | Clear channel 1:N SONET transport system and method |
US6721508B1 (en) | 1998-12-14 | 2004-04-13 | Tellabs Operations Inc. | Optical line terminal arrangement, apparatus and methods |
US7099578B1 (en) | 1999-12-16 | 2006-08-29 | Tellabs Operations Inc. | 1:N protection in an optical terminal |
US7187649B1 (en) * | 1999-12-27 | 2007-03-06 | Alcatel Lucent | Method and apparatus for providing network protection at input/output interfaces of a cross-connect switch |
JP3721039B2 (ja) * | 2000-02-21 | 2005-11-30 | 株式会社東芝 | 伝送システムとそのトラフィック制御方式および伝送装置 |
US6795394B1 (en) | 2000-04-26 | 2004-09-21 | Nortel Networks Limited | Data network having enhanced availability of extra traffic |
NO313680B1 (no) * | 2000-07-17 | 2002-11-11 | Ericsson Telefon Ab L M | Informasjonsarrangement i SDH- og SONET-nettverk |
US6885632B1 (en) * | 2000-12-21 | 2005-04-26 | Nortel Networks Limited | Method and system for signal degrade (SD) information passthrough in T-Mux systems |
WO2002091681A2 (en) * | 2001-05-04 | 2002-11-14 | Appian Communications, Inc. | Protecting ring network data |
US6766482B1 (en) | 2001-10-31 | 2004-07-20 | Extreme Networks | Ethernet automatic protection switching |
US7072584B1 (en) | 2002-04-22 | 2006-07-04 | Atrica Israel Ltd. | Network hub employing 1:N optical protection |
US8018838B2 (en) * | 2002-06-25 | 2011-09-13 | Tellabs Operations, Inc. | Apparatus and method for protection switching in a network |
US7609621B1 (en) * | 2004-02-10 | 2009-10-27 | Sameer Kanagala | Automatic protection network switching |
US7602698B2 (en) * | 2004-03-02 | 2009-10-13 | Tellabs Operations, Inc. | Systems and methods for providing multi-layer protection switching within a sub-networking connection |
US8861952B2 (en) * | 2007-02-28 | 2014-10-14 | Finisar Corporation | Redundancy and interoperability in multi-channel optoelectronic devices |
US8526810B2 (en) * | 2007-04-30 | 2013-09-03 | Finisar Corporation | Eye safety and interoperability of active cable devices |
US20090240853A1 (en) * | 2008-03-21 | 2009-09-24 | Rochester Institute Of Technology | Method and apparatus for configuring a bus network in an asset management system |
US7792132B2 (en) * | 2008-12-10 | 2010-09-07 | Agere Systems Inc. | Framer/mapper/multiplexor device with 1+1 and equipment protection |
JP5595313B2 (ja) * | 2011-03-16 | 2014-09-24 | 三菱電機株式会社 | 光ネットワークシステムおよびwdm装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55136742A (en) * | 1979-04-13 | 1980-10-24 | Toshiba Corp | Multiplex communication system |
DE3134250A1 (de) * | 1981-08-29 | 1983-03-17 | Philips Kommunikations Industrie AG, 8500 Nürnberg | Verfahren fuer die vielfach-ausnutzung von lichtwellenleiter-adern im wellenlaengen-multiplex |
NL8501737A (nl) * | 1985-06-17 | 1987-01-16 | At & T & Philips Telecomm | Hogere orde digitaal transmissiesysteem voorzien van een multiplexer en een demultiplexer. |
JPH02121541A (ja) * | 1988-10-31 | 1990-05-09 | Fujitsu Ltd | チャンネルアクセス方式 |
US5003531A (en) * | 1989-08-11 | 1991-03-26 | Infotron Systems Corporation | Survivable network using reverse protection ring |
-
1991
- 1991-12-12 US US07/806,563 patent/US5216666A/en not_active Expired - Lifetime
-
1992
- 1992-08-25 CA CA002076844A patent/CA2076844C/en not_active Expired - Fee Related
- 1992-12-05 ES ES92120807T patent/ES2214470T3/es not_active Expired - Lifetime
- 1992-12-05 EP EP92120807A patent/EP0548648B1/de not_active Expired - Lifetime
- 1992-12-05 DE DE69233303T patent/DE69233303T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2214470T3 (es) | 2004-09-16 |
CA2076844C (en) | 1999-03-16 |
CA2076844A1 (en) | 1993-06-13 |
EP0548648A3 (en) | 1995-05-03 |
US5216666A (en) | 1993-06-01 |
DE69233303T2 (de) | 2004-12-16 |
EP0548648A2 (de) | 1993-06-30 |
EP0548648B1 (de) | 2004-02-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: ALCATEL LUCENT, PARIS, FR |
|
8339 | Ceased/non-payment of the annual fee |