SG50717A1 - Connection protection in a digital telecommunications system - Google Patents

Connection protection in a digital telecommunications system

Info

Publication number
SG50717A1
SG50717A1 SG1996009600A SG1996009600A SG50717A1 SG 50717 A1 SG50717 A1 SG 50717A1 SG 1996009600 A SG1996009600 A SG 1996009600A SG 1996009600 A SG1996009600 A SG 1996009600A SG 50717 A1 SG50717 A1 SG 50717A1
Authority
SG
Singapore
Prior art keywords
cross
protection
port
connect
facility
Prior art date
Application number
SG1996009600A
Other languages
English (en)
Inventor
C Douglas Richardson
Original Assignee
Alcatel Nv
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 Alcatel Nv filed Critical Alcatel Nv
Publication of SG50717A1 publication Critical patent/SG50717A1/en

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)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Detection And Prevention Of Errors In Transmission (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)
  • Computer And Data Communications (AREA)
  • Selective Calling Equipment (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
SG1996009600A 1992-07-17 1993-06-30 Connection protection in a digital telecommunications system SG50717A1 (en)

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 (1)

Publication Number Publication Date
SG50717A1 true SG50717A1 (en) 1998-07-20

Family

ID=25437092

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996009600A SG50717A1 (en) 1992-07-17 1993-06-30 Connection protection in a digital telecommunications system

Country Status (15)

Country Link
US (1) US5479608A (de)
EP (1) EP0579029B1 (de)
JP (1) JP3471853B2 (de)
KR (1) KR940006367A (de)
CN (1) CN1070326C (de)
AT (1) ATE185229T1 (de)
AU (1) AU669530B2 (de)
CA (1) CA2096401C (de)
DE (1) DE69326582T2 (de)
ES (1) ES2137210T3 (de)
FI (1) FI933251A (de)
IL (1) IL106111A (de)
NZ (1) NZ248074A (de)
SG (1) SG50717A1 (de)
TW (1) TW224555B (de)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
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
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
US5884017A (en) * 1995-12-29 1999-03-16 Mci Communications Corporation Method and system for optical restoration tributary switching in a fiber network
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
US6411598B1 (en) 1997-03-12 2002-06-25 Mci Communications Corporation Signal conversion for fault isolation
US6507561B1 (en) 1997-03-12 2003-01-14 Worldcom, Inc. Telecommunications network distributed restoration method and system
US6496476B1 (en) 1997-03-12 2002-12-17 Worldcom, Inc. System and method for restricted reuse of intact portions of failed paths
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
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
US6418117B1 (en) 1998-09-08 2002-07-09 Mci Worldcom, Inc. Out of band messaging in a DRA network
US6404733B1 (en) 1998-09-08 2002-06-11 Mci Worldcom, Inc. Method of exercising a distributed restoration process in an operational telecommunications network
US6337846B1 (en) 1998-09-08 2002-01-08 Mci Worldcom, Inc. Quantification of the quality of spare links in a 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 (de) * 2000-02-15 2001-08-22 Siemens Aktiengesellschaft Verfahren zum Ersatzschalten von Übertragungseinrichtungen in MPLS-Netzen
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 (en) 2001-12-20 2003-06-20 Pierre Coll Data communication apparatus with distributed traffic protection switching system
EP1324521B1 (de) * 2001-12-20 2011-05-25 Ciena Luxembourg S.a.r.l. Datenkommunikationsvorrichtung mit einem System zur verteilten Schutzumschaltung
US7558193B2 (en) * 2002-08-12 2009-07-07 Starent Networks Corporation Redundancy in voice and data communications systems
US7956668B2 (en) * 2006-12-20 2011-06-07 Kevin Wilson Spectral predictive switching device activation
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
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
WO2013049196A2 (en) 2011-09-30 2013-04-04 Telepath Networks, Inc. Multi integrated switching device structures

Family Cites Families (34)

* Cited by examiner, † Cited by third party
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 (en) * 1985-07-24 1989-04-04 Kenneth A. Bobey Communications network
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 (en) * 1986-04-01 1989-07-18 Alan F. Graves Switching tdm digital signals
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
US4967405A (en) * 1988-12-09 1990-10-30 Transwitch Corporation System for cross-connecting high speed digital SONET signals
US4914429A (en) * 1988-12-09 1990-04-03 Transwitch Corp. Switch components and multiple data rate non-blocking switch network utilizing the same
US5040170A (en) * 1988-12-09 1991-08-13 Transwitch Corporation System for cross-connecting high speed digital 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 (en) * 1989-09-29 1994-08-02 Andrew Lazlo Aczel Resource-decoupled architecture for a telecommunications switching system
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
ATE111278T1 (de) * 1990-04-27 1994-09-15 Siemens Ag Verfahren und schaltungsanordnung zur reduzierung des verlustes von nachrichtenpaketen, die über eine paketvermittlungseinrichtung übertragen werden.
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

Also Published As

Publication number Publication date
NZ248074A (en) 1996-03-26
AU4176793A (en) 1994-01-20
CA2096401C (en) 1998-12-08
CA2096401A1 (en) 1994-01-18
TW224555B (de) 1994-06-01
ES2137210T3 (es) 1999-12-16
IL106111A (en) 1996-12-05
JPH06216887A (ja) 1994-08-05
CN1081804A (zh) 1994-02-09
FI933251A (fi) 1994-01-18
EP0579029A3 (en) 1995-10-25
ATE185229T1 (de) 1999-10-15
JP3471853B2 (ja) 2003-12-02
US5479608A (en) 1995-12-26
EP0579029A2 (de) 1994-01-19
CN1070326C (zh) 2001-08-29
DE69326582T2 (de) 2006-03-16
AU669530B2 (en) 1996-06-13
DE69326582D1 (de) 1999-11-04
EP0579029B1 (de) 1999-09-29
FI933251A0 (fi) 1993-07-16
IL106111A0 (en) 1994-08-26
KR940006367A (ko) 1994-03-23

Similar Documents

Publication Publication Date Title
TW224555B (de)
US5796717A (en) System for switching from working units to stand-by units
EP0356012B1 (de) Zeitdemultiplexer
KR940006366A (ko) 디지탈 전기 통신 시스템의 고속 퍼실리티 보호 방법 및 시스템
US5313456A (en) Data link protecting system
US5345438A (en) Transmission device capable of readily controlling active and backup sections
GB2330280A (en) Fault supervision of an optical network
EP0806100B1 (de) Reorganisationsvorrichtung zur neugruppierung von telekommunikationssignalen
US5321394A (en) Spare card connection circuitry for high-speed telecommunications transmitters/receivers and methods
US5561766A (en) Cross-connecting system for making line connections between high-speed lines and low-speed lines and between high-speed lines and capable of detecting a line-connection error
US4949334A (en) Protected information transfer system
EP0855128B1 (de) Telekommunikationssystem mit redundanten Vermittlungs- und Netzzugangseinheiten
CA1321430C (en) Data path protection
DK0560122T3 (da) Kommunikationssystem med busstationer
JPH0630467B2 (ja) 光ル−プ監視装置
JP3013190B2 (ja) クロスコネクト装置
KR100197441B1 (ko) 전전자 교환기에서 백보드를 이용한 탈장 감지 장치
JP3434556B2 (ja) 信号線切替え回路
JP2561006B2 (ja) ルーティング制御方式
JP2768449B2 (ja) 光パラレルデータ転送方式
KR200193572Y1 (ko) 전송시스템의 보호라인 이중화장치
JP2869284B2 (ja) シグナリング信号誤り保護回路
MXPA00006961A (en) System and method for sharing a spare channel among two or more optical ring networks
JPH07202904A (ja) セル切替回路