FI933251A - Gruppfacilitetskydd i ett digitalt telekommunikationssystem - Google Patents
Gruppfacilitetskydd i ett digitalt telekommunikationssystem Download PDFInfo
- Publication number
- FI933251A FI933251A FI933251A FI933251A FI933251A FI 933251 A FI933251 A FI 933251A FI 933251 A FI933251 A FI 933251A FI 933251 A FI933251 A FI 933251A FI 933251 A FI933251 A FI 933251A
- Authority
- FI
- Finland
- Prior art keywords
- cross
- protection
- port
- connect
- facility
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0421—Circuit arrangements therefor
-
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Emergency Protection Circuit Devices (AREA)
- Exchange Systems With Centralized Control (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Computer And Data Communications (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/916,333 US5479608A (en) | 1992-07-17 | 1992-07-17 | Group facility protection in a digital telecommunications system |
Publications (2)
Publication Number | Publication Date |
---|---|
FI933251A0 FI933251A0 (fi) | 1993-07-16 |
FI933251A true FI933251A (fi) | 1994-01-18 |
Family
ID=25437092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI933251A FI933251A (fi) | 1992-07-17 | 1993-07-16 | Gruppfacilitetskydd i ett digitalt telekommunikationssystem |
Country Status (15)
Country | Link |
---|---|
US (1) | US5479608A (fr) |
EP (1) | EP0579029B1 (fr) |
JP (1) | JP3471853B2 (fr) |
KR (1) | KR940006367A (fr) |
CN (1) | CN1070326C (fr) |
AT (1) | ATE185229T1 (fr) |
AU (1) | AU669530B2 (fr) |
CA (1) | CA2096401C (fr) |
DE (1) | DE69326582T2 (fr) |
ES (1) | ES2137210T3 (fr) |
FI (1) | FI933251A (fr) |
IL (1) | IL106111A (fr) |
NZ (1) | NZ248074A (fr) |
SG (1) | SG50717A1 (fr) |
TW (1) | TW224555B (fr) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5329520A (en) * | 1992-07-17 | 1994-07-12 | Alcatel Network Systems, Inc. | High-speed facility protection in a digital telecommunications system |
JP3432958B2 (ja) * | 1995-07-21 | 2003-08-04 | 富士通株式会社 | 光伝送システム及び伝送路切替制御方法 |
US5790519A (en) * | 1995-10-26 | 1998-08-04 | Dsc Communications Corporation | Broadband digital cross-connect system architecture |
US5731887A (en) * | 1995-12-22 | 1998-03-24 | Mci Communications Corporation | System and method for photonic facility and line protection switching |
US5777761A (en) * | 1995-12-22 | 1998-07-07 | Mci Communications Corporation | System and method for photonic facility and line protection switching using wavelength translation |
US6005694A (en) * | 1995-12-28 | 1999-12-21 | Mci Worldcom, Inc. | Method and system for detecting optical faults within the optical domain of a fiber communication network |
US5884017A (en) * | 1995-12-29 | 1999-03-16 | Mci Communications Corporation | Method and system for optical restoration tributary switching in a fiber network |
US5768256A (en) * | 1995-12-29 | 1998-06-16 | Mci Corporation | Communications system and method providing optimal restoration of failed-paths |
US6285475B1 (en) | 1995-12-29 | 2001-09-04 | Mci Communications Corporation | Method and system for detecting optical faults in a network fiber link |
US6108113A (en) * | 1995-12-29 | 2000-08-22 | Mci Communications Corporation | Method and system for transporting ancillary network data |
US5930232A (en) * | 1996-03-01 | 1999-07-27 | Alcatel Network Systems, Inc. | Method and system for implementing a protection switching protocol |
US5933590A (en) * | 1996-04-18 | 1999-08-03 | Mci Communications Corporation | Restoration of multiple span cuts with priority hand-off using SHN |
US5781535A (en) * | 1996-06-14 | 1998-07-14 | Mci Communications Corp. | Implementation protocol for SHN-based algorithm restoration platform |
US5748611A (en) * | 1996-06-27 | 1998-05-05 | Mci Corporation | System and method for restoring a telecommunications network using conservative bandwidth reservation and selective message rebroadcast |
US5903370A (en) * | 1996-06-28 | 1999-05-11 | Mci Communications Corporation | System for an optical domain |
US6496476B1 (en) | 1997-03-12 | 2002-12-17 | Worldcom, Inc. | System and method for restricted reuse of intact portions of failed paths |
WO1998041041A1 (fr) | 1997-03-12 | 1998-09-17 | Alcatel Network Systems, Inc. | Procede et systeme de retablissement de reseau de telecommunications reparti |
US6411598B1 (en) | 1997-03-12 | 2002-06-25 | Mci Communications Corporation | Signal conversion for fault isolation |
US6393483B1 (en) * | 1997-06-30 | 2002-05-21 | Adaptec, Inc. | Method and apparatus for network interface card load balancing and port aggregation |
US6647028B1 (en) * | 1997-09-30 | 2003-11-11 | Cisco Technology, Inc. | System and method for recovering and restoring lost data in a N-channel coherent data transmission system |
US6118772A (en) * | 1998-01-30 | 2000-09-12 | Alcatel Usa Sourcing L.P. | Wireline telephony on a cellular switch |
US6418117B1 (en) | 1998-09-08 | 2002-07-09 | Mci Worldcom, Inc. | Out of band messaging in a DRA network |
US6337846B1 (en) | 1998-09-08 | 2002-01-08 | Mci Worldcom, Inc. | Quantification of the quality of spare links in a telecommunications network |
US6294991B1 (en) | 1998-09-08 | 2001-09-25 | Mci Communications Corporation | Method and system therefor for ensuring a true activation of distributed restoration in a telecommunications network |
US6404733B1 (en) | 1998-09-08 | 2002-06-11 | Mci Worldcom, Inc. | Method of exercising a distributed restoration process in an operational telecommunications network |
US6925054B1 (en) * | 1998-12-07 | 2005-08-02 | Nortel Networks Limited | Network path protection |
US6594279B1 (en) * | 1999-04-22 | 2003-07-15 | Nortel Networks Limited | Method and apparatus for transporting IP datagrams over synchronous optical networks at guaranteed quality of service |
US7363359B1 (en) * | 1999-05-26 | 2008-04-22 | Fujitsu Limited | Element management system with automatic remote backup of network elements' local storage |
US6826146B1 (en) * | 1999-06-02 | 2004-11-30 | At&T Corp. | Method for rerouting intra-office digital telecommunications signals |
US6813240B1 (en) | 1999-06-11 | 2004-11-02 | Mci, Inc. | Method of identifying low quality links in a telecommunications network |
KR100302867B1 (ko) * | 1999-10-01 | 2001-11-02 | 서평원 | 에치 디 엘 씨 중계 노드 제어장치 및 방법 |
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 |
EP1126742A1 (fr) * | 2000-02-15 | 2001-08-22 | Siemens Aktiengesellschaft | Méthode de commutation de protection des dispositifs de transmission dans des réseaux MPLS |
US6680939B1 (en) * | 2000-09-14 | 2004-01-20 | Nvision, Inc | Expandable router |
JP2002111693A (ja) * | 2000-09-29 | 2002-04-12 | Fujitsu Ltd | 双方向リング切替制御方法 |
KR100426245B1 (ko) * | 2000-12-26 | 2004-04-08 | 엘지전자 주식회사 | 비동기전송모드 교환기의 1+1 양방향 절체운용 방법 |
US7245582B1 (en) | 2001-06-07 | 2007-07-17 | Nortel Networks Limited | Protection switching in a multi-stage switch fabric |
IL143658A (en) * | 2001-06-10 | 2006-08-01 | Eci Telecom Ltd | Device, system and method for protecting communication |
US7170851B1 (en) * | 2001-07-26 | 2007-01-30 | Ciena Corporation | Systems and methods for automatic topology provisioning for SONET networks |
US6766482B1 (en) | 2001-10-31 | 2004-07-20 | Extreme Networks | Ethernet automatic protection switching |
CA2365752A1 (fr) | 2001-12-20 | 2003-06-20 | Pierre Coll | Appareil de transmission de donnees avec systeme de commutation de secours a distribution de trafic |
EP1324521B1 (fr) * | 2001-12-20 | 2011-05-25 | Ciena Luxembourg S.a.r.l. | Appareil pour communication de données avec un système de commutation de protection distribuée |
US7558193B2 (en) * | 2002-08-12 | 2009-07-07 | Starent Networks Corporation | Redundancy in voice and data communications systems |
US20080143473A1 (en) * | 2006-12-19 | 2008-06-19 | Kevin Wilson | Digital Cross-Connect Path Selection Method |
US7804825B2 (en) * | 2006-12-20 | 2010-09-28 | Kevin Wilson | Matrix expansion lattice |
US7956668B2 (en) * | 2006-12-20 | 2011-06-07 | Kevin Wilson | Spectral predictive switching device activation |
US8358584B2 (en) * | 2007-11-29 | 2013-01-22 | Adc Dsl Systems, Inc. | Port failure communication in cross-connect applications |
US8761370B2 (en) * | 2008-08-07 | 2014-06-24 | At&T Government Solutions, Inc. | Method and apparatus for communication having critically assured services |
US8836454B2 (en) | 2009-08-11 | 2014-09-16 | Telepath Networks, Inc. | Miniature magnetic switch structures |
US8432240B2 (en) | 2010-07-16 | 2013-04-30 | Telepath Networks, Inc. | Miniature magnetic switch structures |
US8957747B2 (en) | 2010-10-27 | 2015-02-17 | Telepath Networks, Inc. | Multi integrated switching device structures |
CN102130760A (zh) * | 2010-12-10 | 2011-07-20 | 南京科远自动化集团股份有限公司 | 一种12路eBus冗余总线通信装置 |
EP2761640B1 (fr) | 2011-09-30 | 2016-08-10 | Telepath Networks, Inc. | Structures de dispositifs de commutation intégrés multiples |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4412323A (en) * | 1980-06-03 | 1983-10-25 | Rockwell International Corporation | Muldem with improved monitoring and control system |
US4393493A (en) * | 1980-11-10 | 1983-07-12 | International Telephone And Telegraph Corporation | Automatic protection apparatus for span lines employed in high speed digital systems |
US4394541A (en) * | 1981-01-02 | 1983-07-19 | Seiden Lewis J | Three stage minimum configuration conditionally non-blocking matrix |
CA1252168A (fr) * | 1985-07-24 | 1989-04-04 | Kenneth A. Bobey | Reseau de communication |
US4646286A (en) * | 1985-07-30 | 1987-02-24 | Northern Telecom Limited | Communications system with protection switching and channel identities |
US4837760A (en) * | 1985-08-02 | 1989-06-06 | Northern Telecom Limited | Communications system with protection switching using individual selectors |
CA1257675A (fr) * | 1986-04-01 | 1989-07-18 | Alan F. Graves | Commutation de signaux numeriques a multiplexage temporel |
US4807280A (en) * | 1987-09-18 | 1989-02-21 | Pacific Bell | Cross-connect switch |
US4893306A (en) * | 1987-11-10 | 1990-01-09 | Bell Communications Research, Inc. | Method and apparatus for multiplexing circuit and packet traffic |
US4855999A (en) * | 1987-11-10 | 1989-08-08 | Bell Communications Research, Inc. | DTDM multiplexer with cross-point switch |
JPH01215129A (ja) * | 1988-02-23 | 1989-08-29 | Fujitsu Ltd | 1:1回線切替システム |
US5159595A (en) * | 1988-04-08 | 1992-10-27 | Northern Telecom Limited | Ring transmission system |
GB8813958D0 (en) * | 1988-06-13 | 1988-07-20 | Plessey Telecomm | Data path protection |
US4926446A (en) * | 1988-11-25 | 1990-05-15 | Alberta Telecommunications Research Centre | Method and apparatus for precision time distribution in telecommunication networks |
US5040170A (en) * | 1988-12-09 | 1991-08-13 | Transwitch Corporation | System for cross-connecting high speed digital signals |
US4914429A (en) * | 1988-12-09 | 1990-04-03 | Transwitch Corp. | Switch components and multiple data rate non-blocking switch network utilizing the same |
US4967405A (en) * | 1988-12-09 | 1990-10-30 | Transwitch Corporation | System for cross-connecting high speed digital SONET signals |
US5060229A (en) * | 1989-05-12 | 1991-10-22 | Alcatel Na Network Systems Corp. | Serial transport frame format method |
US5185736A (en) * | 1989-05-12 | 1993-02-09 | Alcatel Na Network Systems Corp. | Synchronous optical transmission system |
GB8910957D0 (en) * | 1989-05-12 | 1989-06-28 | Plessey Telecomm | Optical transmission apparatus |
CA1331215C (fr) * | 1989-09-29 | 1994-08-02 | Andrew Lazlo Aczel | Architecture a ressources decouplees pour commutateur de telecommunication |
JPH0795706B2 (ja) * | 1989-10-18 | 1995-10-11 | 富士通株式会社 | 信号分岐方法 |
US5189410A (en) * | 1989-12-28 | 1993-02-23 | Fujitsu Limited | Digital cross connect system |
US5105420A (en) * | 1990-04-09 | 1992-04-14 | At&T Bell Laboratories | Method and apparatus for reconfiguring interconnections between switching system functional units |
EP0453607B1 (fr) * | 1990-04-27 | 1994-09-07 | Siemens Aktiengesellschaft | Méthode et dispositif pour réduire la perte de paquets d'information, transmis par un commutateur de paquets |
US5210740A (en) * | 1990-06-21 | 1993-05-11 | Nec Corporation | Line switching equipment for switching a personal line to a backup ISDN line |
JP2666533B2 (ja) * | 1990-08-06 | 1997-10-22 | 日本電気株式会社 | スイツチモジユール |
JPH04154242A (ja) * | 1990-10-17 | 1992-05-27 | Nec Corp | ネットワーク障害回復方式 |
JPH04154229A (ja) * | 1990-10-18 | 1992-05-27 | Fujitsu Ltd | 非同期3次群信号による対局警報通信方式 |
US5157655A (en) * | 1990-10-31 | 1992-10-20 | Transwitch Corp. | Apparatus for generating a ds-3 signal from the data component of an sts-1 payload signal |
BE1004668A3 (nl) * | 1991-04-02 | 1993-01-05 | Bell Telephone Mfg | Beschermingsinrichting voor een optische zender/ontvangerinrichting. |
US5216666A (en) * | 1991-12-12 | 1993-06-01 | Alcatel Network Systems, Inc. | 1:n ring-type signal protection apparatus |
US5343194A (en) * | 1992-05-14 | 1994-08-30 | Alcatel Network Systems, Inc. | Methods and system for immediately connecting and reswitching digital cross-connect networks |
US5329520A (en) * | 1992-07-17 | 1994-07-12 | Alcatel Network Systems, Inc. | High-speed facility protection in a digital telecommunications system |
-
1992
- 1992-07-17 US US07/916,333 patent/US5479608A/en not_active Expired - Lifetime
-
1993
- 1993-05-17 CA CA002096401A patent/CA2096401C/fr not_active Expired - Lifetime
- 1993-06-23 IL IL10611193A patent/IL106111A/en not_active IP Right Cessation
- 1993-06-30 DE DE69326582T patent/DE69326582T2/de not_active Expired - Lifetime
- 1993-06-30 SG SG1996009600A patent/SG50717A1/en unknown
- 1993-06-30 ES ES93110394T patent/ES2137210T3/es not_active Expired - Lifetime
- 1993-06-30 AT AT93110394T patent/ATE185229T1/de not_active IP Right Cessation
- 1993-06-30 EP EP93110394A patent/EP0579029B1/fr not_active Expired - Lifetime
- 1993-07-05 NZ NZ248074A patent/NZ248074A/en unknown
- 1993-07-07 AU AU41767/93A patent/AU669530B2/en not_active Ceased
- 1993-07-14 KR KR1019930013186A patent/KR940006367A/ko active IP Right Grant
- 1993-07-16 CN CN93108258A patent/CN1070326C/zh not_active Expired - Lifetime
- 1993-07-16 FI FI933251A patent/FI933251A/fi unknown
- 1993-07-19 JP JP17833393A patent/JP3471853B2/ja not_active Expired - Lifetime
- 1993-07-20 TW TW082105761A patent/TW224555B/zh active
Also Published As
Publication number | Publication date |
---|---|
SG50717A1 (en) | 1998-07-20 |
CA2096401A1 (fr) | 1994-01-18 |
IL106111A (en) | 1996-12-05 |
CA2096401C (fr) | 1998-12-08 |
EP0579029A2 (fr) | 1994-01-19 |
AU669530B2 (en) | 1996-06-13 |
JPH06216887A (ja) | 1994-08-05 |
ATE185229T1 (de) | 1999-10-15 |
US5479608A (en) | 1995-12-26 |
EP0579029A3 (en) | 1995-10-25 |
EP0579029B1 (fr) | 1999-09-29 |
TW224555B (fr) | 1994-06-01 |
CN1081804A (zh) | 1994-02-09 |
IL106111A0 (en) | 1994-08-26 |
KR940006367A (ko) | 1994-03-23 |
AU4176793A (en) | 1994-01-20 |
DE69326582D1 (de) | 1999-11-04 |
NZ248074A (en) | 1996-03-26 |
FI933251A0 (fi) | 1993-07-16 |
CN1070326C (zh) | 2001-08-29 |
DE69326582T2 (de) | 2006-03-16 |
ES2137210T3 (es) | 1999-12-16 |
JP3471853B2 (ja) | 2003-12-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI933251A0 (fi) | Gruppfacilitetskydd i ett digitalt telekommunikationssystem | |
US5796717A (en) | System for switching from working units to stand-by units | |
KR940006366A (ko) | 디지탈 전기 통신 시스템의 고속 퍼실리티 보호 방법 및 시스템 | |
DE3275595D1 (en) | Digital data processor with fault-tolerant bus protocol | |
US8457488B2 (en) | Technology for providing telecommunication services to multiple optical communication lines | |
CA1321430C (fr) | Protection pour chemin de donnees | |
US6438126B1 (en) | Arrangement and method relating to communications systems | |
DK0560122T3 (da) | Kommunikationssystem med busstationer | |
US7292528B2 (en) | Method and apparatus to facilitate independent protection switching in a distributed network | |
JPH0630467B2 (ja) | 光ル−プ監視装置 | |
KR100197441B1 (ko) | 전전자 교환기에서 백보드를 이용한 탈장 감지 장치 | |
JP3434556B2 (ja) | 信号線切替え回路 | |
JP3013190B2 (ja) | クロスコネクト装置 | |
US5933259A (en) | Remotely disposed high speed switches for high speed connection between computers and peripheral devices | |
JP2561006B2 (ja) | ルーティング制御方式 | |
CN1092575A (zh) | 双重连接 | |
KR200193572Y1 (ko) | 전송시스템의 보호라인 이중화장치 | |
KR100255802B1 (ko) | 대용량 통신처리 시스템의 고속스위칭 패브릭 | |
JPH07202904A (ja) | セル切替回路 | |
JPH04355854A (ja) | データ転送方式 | |
JPH02272952A (ja) | 交換網疎通率向上制御方式 | |
MXPA00006961A (en) | System and method for sharing a spare channel among two or more optical ring networks | |
JPH0338136A (ja) | マルチドロップlan形成装置 | |
JPH0239631A (ja) | 監視制御方式 | |
JPS6323434A (ja) | 冗長切替方式 |