NZ217150A - Line switching equipment - standby to working line - Google Patents

Line switching equipment - standby to working line

Info

Publication number
NZ217150A
NZ217150A NZ217150A NZ21715086A NZ217150A NZ 217150 A NZ217150 A NZ 217150A NZ 217150 A NZ217150 A NZ 217150A NZ 21715086 A NZ21715086 A NZ 21715086A NZ 217150 A NZ217150 A NZ 217150A
Authority
NZ
New Zealand
Prior art keywords
line
standby
switching equipment
working
line switching
Prior art date
Application number
NZ217150A
Other languages
English (en)
Inventor
Ikeuchi Satoshi
Taniguchi Ikuo
Yoshimoto Kenji
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
Publication of NZ217150A publication Critical patent/NZ217150A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
NZ217150A 1985-08-16 1986-08-08 Line switching equipment - standby to working line NZ217150A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60179452A JPS6239921A (ja) 1985-08-16 1985-08-16 回線切換装置

Publications (1)

Publication Number Publication Date
NZ217150A true NZ217150A (en) 1989-08-29

Family

ID=16066104

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ217150A NZ217150A (en) 1985-08-16 1986-08-08 Line switching equipment - standby to working line

Country Status (9)

Country Link
US (1) US4733320A (Direct)
EP (1) EP0214497B1 (Direct)
JP (1) JPS6239921A (Direct)
AU (1) AU572735B2 (Direct)
CA (1) CA1287098C (Direct)
DE (1) DE3675856D1 (Direct)
HK (1) HK56492A (Direct)
NZ (1) NZ217150A (Direct)
SG (1) SG46192G (Direct)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8813958D0 (en) * 1988-06-13 1988-07-20 Plessey Telecomm Data path protection
JP3023705B2 (ja) * 1990-12-20 2000-03-21 富士通株式会社 予備チャンネル切替え装置および方法
JPH0786988A (ja) * 1993-09-16 1995-03-31 Fujitsu Ltd Ｐｃａ伝送装置及びｐｃａ伝送方法
US5594581A (en) * 1993-12-29 1997-01-14 Lucent Technologies Inc. Low loss optical transmission/monitoring path selection in redundant equipment terminals
JPH07264156A (ja) * 1994-03-18 1995-10-13 Fujitsu Ltd 同期通信網の障害検出方式
KR100301575B1 (ko) * 1995-12-22 2001-11-22 박종섭 신호 전송장치
US7266841B2 (en) * 2000-12-22 2007-09-04 Tyco Electronics Corporation Security and communications module
WO2012046856A1 (ja) * 2010-10-08 2012-04-12 オリンパスメディカルシステムズ株式会社 撮像装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3576951A (en) * 1967-12-09 1971-05-04 Nippon Electric Co Calling subscriber identification system
US3864533A (en) * 1973-06-01 1975-02-04 Vidar Corp Automatic line transfer system and method for a communications system
US4061989A (en) * 1975-09-02 1977-12-06 Trw Inc. Redundancy switching system
US4007339A (en) * 1975-11-28 1977-02-08 Bell Telephone Laboratories, Incorporated Arrangement serving operator assistance calls requiring routing back to originating offices
DE3360779D1 (de) * 1982-06-30 1985-10-17 Bbc Brown Boveri & Cie Installation de commutation
JPS6038950A (ja) * 1983-08-11 1985-02-28 Sumitomo Electric Ind Ltd 伝送路制御方式

Also Published As

Publication number Publication date
DE3675856D1 (de) 1991-01-10
AU6106586A (en) 1987-02-19
EP0214497B1 (en) 1990-11-28
AU572735B2 (en) 1988-05-12
JPS6239921A (ja) 1987-02-20
SG46192G (en) 1992-06-12
EP0214497A2 (en) 1987-03-18
US4733320A (en) 1988-03-22
EP0214497A3 (en) 1988-07-13
HK56492A (en) 1992-08-07
JPH0317417B2 (Direct) 1991-03-08
CA1287098C (en) 1991-07-30

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