DE69222878T2 - Verfahren und Vorrichtung zur Sicherung gegen Leitungsfehler - Google Patents

Verfahren und Vorrichtung zur Sicherung gegen Leitungsfehler

Info

Publication number
DE69222878T2
DE69222878T2 DE69222878T DE69222878T DE69222878T2 DE 69222878 T2 DE69222878 T2 DE 69222878T2 DE 69222878 T DE69222878 T DE 69222878T DE 69222878 T DE69222878 T DE 69222878T DE 69222878 T2 DE69222878 T2 DE 69222878T2
Authority
DE
Germany
Prior art keywords
securing against
line faults
against line
faults
securing
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
Application number
DE69222878T
Other languages
English (en)
Other versions
DE69222878D1 (de
Inventor
Noburo Kawada
Michiko Narita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69222878D1 publication Critical patent/DE69222878D1/de
Publication of DE69222878T2 publication Critical patent/DE69222878T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE69222878T 1991-03-12 1992-03-12 Verfahren und Vorrichtung zur Sicherung gegen Leitungsfehler Expired - Fee Related DE69222878T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3046336A JPH04282939A (ja) 1991-03-12 1991-03-12 回線障害時のバックアップ方式

Publications (2)

Publication Number Publication Date
DE69222878D1 DE69222878D1 (de) 1997-12-04
DE69222878T2 true DE69222878T2 (de) 1998-03-26

Family

ID=12744295

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69222878T Expired - Fee Related DE69222878T2 (de) 1991-03-12 1992-03-12 Verfahren und Vorrichtung zur Sicherung gegen Leitungsfehler

Country Status (4)

Country Link
US (1) US5515429A (de)
EP (1) EP0503640B1 (de)
JP (1) JPH04282939A (de)
DE (1) DE69222878T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19960230B4 (de) * 1998-12-14 2006-05-18 Fujinon Corp. TV-Linsensystem

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3486427B2 (ja) * 1993-01-18 2004-01-13 キヤノン株式会社 制御装置および制御方法
GB9312246D0 (en) * 1993-06-14 1993-07-28 Hewlett Packard Co Fault tolerant service-providing apparatus for use in a telecommunications network
JP2710559B2 (ja) * 1994-06-22 1998-02-10 静岡日本電気株式会社 伝送路バックアップ機能付の多重化装置
JP3574493B2 (ja) * 1995-03-16 2004-10-06 富士通株式会社 回線切り替え制御方法および装置
GB2337662B (en) * 1995-03-16 2000-04-12 Fujitsu Ltd Channel switching method and channel switching controller
CA2201206A1 (en) * 1996-03-29 1997-09-29 Nagaraja Rao An improved digital loop carrier system
US5912895A (en) 1996-05-01 1999-06-15 Northern Telecom Limited Information network access apparatus and methods for communicating information packets via telephone lines
KR19980020514A (ko) * 1996-09-09 1998-06-25 김광호 종합정보통신망 사설교환기의 결함내성 구현방법
KR100233261B1 (ko) * 1996-11-16 1999-12-01 이계철 대국장애표시신호를 이용한 1+1 양방향 선로절체 제어방법
US6005920A (en) * 1997-01-03 1999-12-21 Ncr Corporation Call center with fault resilient server-switch link
US6005841A (en) * 1997-02-11 1999-12-21 Excel Switching Corporation Redundancy arrangement for telecommunications system
US6084885A (en) * 1997-02-26 2000-07-04 Paradyne Corporation Apparatus and method for DSP sharing using statistical properties of data
AU8576798A (en) * 1997-07-25 1999-02-16 Starvox, Inc. Apparatus and method for integrated voice gateway
US6363498B1 (en) * 1997-11-20 2002-03-26 Lucent Technologies, Inc. Method and apparatus to automatically back up switching system files
JP2000031962A (ja) * 1998-07-10 2000-01-28 Fujitsu Ltd Ｉｓｄｎバックアップチャネルの有効利用方式
US6751191B1 (en) 1999-06-29 2004-06-15 Cisco Technology, Inc. Load sharing and redundancy scheme
US7068712B1 (en) * 2000-01-18 2006-06-27 Cisco Technology, Inc. Cable network redundancy architecture
US7058007B1 (en) 2000-01-18 2006-06-06 Cisco Technology, Inc. Method for a cable modem to rapidly switch to a backup CMTS
US6839829B1 (en) 2000-01-18 2005-01-04 Cisco Technology, Inc. Routing protocol based redundancy design for shared-access networks
US7881208B1 (en) 2001-06-18 2011-02-01 Cisco Technology, Inc. Gateway load balancing protocol
US7577088B2 (en) * 2003-01-17 2009-08-18 Adtran, Inc. System and method to backup communication occurring across a plurality of subscriber lines
US7593346B2 (en) 2003-07-31 2009-09-22 Cisco Technology, Inc. Distributing and balancing traffic flow in a virtual gateway
US7382772B1 (en) * 2003-08-26 2008-06-03 Sprint Communications Company L.P. Communication system that shares protect links among multiple services including an internet service
US20090124279A1 (en) * 2007-11-08 2009-05-14 Rogers Communication Inc. Method and system for activating a backup radio frequency transmitter
KR20200136733A (ko) * 2019-05-28 2020-12-08 주식회사 엘지화학 배터리 관리 시스템 및 상위 시스템으로 데이터를 송신하는 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119815A (en) * 1977-05-31 1978-10-10 American District Telegraph Company Central station system including secondary communication path established through commercial telephone network
JPH0213044A (ja) * 1988-06-29 1990-01-17 Matsushita Electric Ind Co Ltd ルーティング方法
JPH02228150A (ja) * 1989-03-01 1990-09-11 N T T Data Tsushin Kk Ｉｓｄｎ複合切替スイッチ
JP2551838B2 (ja) * 1989-03-31 1996-11-06 日本電信電話株式会社 バックアップ回線切替方式
US4998274A (en) * 1989-12-06 1991-03-05 Bell Communications Research, Inc. ISDN dual bus extension phone system
US5210740A (en) * 1990-06-21 1993-05-11 Nec Corporation Line switching equipment for switching a personal line to a backup ISDN line
US5151896A (en) * 1990-09-21 1992-09-29 Bowman Donald J Modular digital telephone system with fully distributed local switching and control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19960230B4 (de) * 1998-12-14 2006-05-18 Fujinon Corp. TV-Linsensystem

Also Published As

Publication number Publication date
EP0503640A3 (en) 1993-12-01
DE69222878D1 (de) 1997-12-04
EP0503640B1 (de) 1997-10-29
US5515429A (en) 1996-05-07
EP0503640A2 (de) 1992-09-16
JPH04282939A (ja) 1992-10-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee