HK1011246A1 - An automatic switching system - Google Patents

An automatic switching system

Info

Publication number
HK1011246A1
HK1011246A1 HK98112311A HK98112311A HK1011246A1 HK 1011246 A1 HK1011246 A1 HK 1011246A1 HK 98112311 A HK98112311 A HK 98112311A HK 98112311 A HK98112311 A HK 98112311A HK 1011246 A1 HK1011246 A1 HK 1011246A1
Authority
HK
Hong Kong
Prior art keywords
switching system
automatic switching
automatic
switching
Prior art date
Application number
HK98112311A
Other languages
English (en)
Inventor
Yoshitaka Fujita
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of HK1011246A1 publication Critical patent/HK1011246A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
HK98112311A 1997-02-05 1998-11-25 An automatic switching system HK1011246A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02305497A JP3147801B2 (ja) 1997-02-05 1997-02-05 自動交換機システム

Publications (1)

Publication Number Publication Date
HK1011246A1 true HK1011246A1 (en) 1999-07-09

Family

ID=12099740

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98112311A HK1011246A1 (en) 1997-02-05 1998-11-25 An automatic switching system

Country Status (4)

Country Link
US (1) US6252846B1 (xx)
JP (1) JP3147801B2 (xx)
CN (1) CN1123171C (xx)
HK (1) HK1011246A1 (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3919316B2 (ja) * 1998-01-28 2007-05-23 富士通株式会社 センター装置の切替え方法及び、これを用いたケーブルモデムシステム
JPH11331189A (ja) * 1998-05-15 1999-11-30 Oki Electric Ind Co Ltd セルスイッチ装置
US6359859B1 (en) * 1999-06-03 2002-03-19 Fujitsu Network Communications, Inc. Architecture for a hybrid STM/ATM add-drop multiplexer
JP3501102B2 (ja) * 2000-05-24 2004-03-02 日本電気株式会社 交換機の系切り替えシステム及び系切り替え方法
US7289433B1 (en) * 2000-10-24 2007-10-30 Nortel Networks Limited Method and system for providing robust connections in networking applications
DE10358345A1 (de) * 2003-12-12 2005-07-14 Siemens Ag Konfiguration zum Ersatzschalten von räumlich getrennten Vermittlungssystemen
JP2005227144A (ja) * 2004-02-13 2005-08-25 Shimadzu Corp 分析機器用コントローラ
JP4320602B2 (ja) * 2004-02-26 2009-08-26 日本電気株式会社 加入者ユニット冗長システムおよび加入者ユニット冗長方法
US7929860B2 (en) * 2007-10-15 2011-04-19 Motorola Mobility, Inc. System and method for sonet equipment fault management
US7961679B2 (en) * 2008-10-14 2011-06-14 Qualcomm Incorporated Methods and systems for broadcasting QoS information to assist admission control in wireless communication systems

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5331562B2 (xx) 1973-02-22 1978-09-04
JPS5532079B2 (xx) 1973-02-22 1980-08-22
JPS58225761A (ja) 1982-06-24 1983-12-27 Fujitsu Ltd 熱予備方式
JPS601995A (ja) 1983-06-17 1985-01-08 Hitachi Ltd マイクロプロセツサの制御方式
JPS62253231A (ja) * 1986-01-07 1987-11-05 Fujitsu Ltd 現用予備切換システム
JPS6339253A (ja) 1986-08-05 1988-02-19 Fujitsu Ltd デイジタル交換機の集線装置
JPS63222559A (ja) 1987-03-12 1988-09-16 Meisei Electric Co Ltd 交換装置の二重化構成方式
JPS63276952A (ja) 1987-04-14 1988-11-15 Nec Corp 現用／予備運用方式の交換機システム
JPH04286230A (ja) * 1991-03-14 1992-10-12 Fujitsu Ltd 現用／予備用回線切替方式
JPH05244225A (ja) 1992-02-28 1993-09-21 Nippon Telegr & Teleph Corp <Ntt> 無中断系切り替え方法
US5740157A (en) * 1992-05-21 1998-04-14 Alcatel Network Systems, Inc. Distributed control methodology and mechanism for implementing automatic protection switching
JPH0897909A (ja) 1994-09-29 1996-04-12 Hitachi Ltd 電子交換機システム
JP4201216B2 (ja) * 1997-01-20 2008-12-24 富士通株式会社 通信制御装置，通信制御システムおよび通信制御装置切り換え制御方法
US5936938A (en) * 1997-10-31 1999-08-10 Alcatel Usa Sourcing, L.P. System and method for providing switching between paths in a telecommunications system

Also Published As

Publication number Publication date
JP3147801B2 (ja) 2001-03-19
CN1191437A (zh) 1998-08-26
US6252846B1 (en) 2001-06-26
JPH10224470A (ja) 1998-08-21
CN1123171C (zh) 2003-10-01

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080205