DK152089A - Databanekontrolsystem - Google Patents

Databanekontrolsystem

Info

Publication number
DK152089A
DK152089A DK152089A DK152089A DK152089A DK 152089 A DK152089 A DK 152089A DK 152089 A DK152089 A DK 152089A DK 152089 A DK152089 A DK 152089A DK 152089 A DK152089 A DK 152089A
Authority
DK
Denmark
Prior art keywords
data path
path control
control
data
path
Prior art date
Application number
DK152089A
Other languages
English (en)
Other versions
DK152089D0 (da
Inventor
Richard John Proctor
Thomas Slade Maddern
Original Assignee
Plessey Overseas
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 Plessey Overseas filed Critical Plessey Overseas
Publication of DK152089D0 publication Critical patent/DK152089D0/da
Publication of DK152089A publication Critical patent/DK152089A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • 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
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
    • H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Hardware Redundancy (AREA)
DK152089A 1988-03-30 1989-03-29 Databanekontrolsystem DK152089A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8807606A GB2219172B (en) 1988-03-30 1988-03-30 A data path checking system

Publications (2)

Publication Number Publication Date
DK152089D0 DK152089D0 (da) 1989-03-29
DK152089A true DK152089A (da) 1989-10-01

Family

ID=10634376

Family Applications (1)

Application Number Title Priority Date Filing Date
DK152089A DK152089A (da) 1988-03-30 1989-03-29 Databanekontrolsystem

Country Status (10)

Country Link
US (1) US5042038A (da)
EP (1) EP0335510A3 (da)
JP (1) JPH0213095A (da)
KR (1) KR890015532A (da)
CN (1) CN1016390B (da)
AU (1) AU615040B2 (da)
DK (1) DK152089A (da)
FI (1) FI891511A (da)
GB (1) GB2219172B (da)
PT (1) PT90166A (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6018812A (en) * 1990-10-17 2000-01-25 501 Charles Stark Draper Laboratory, Inc. Reliable wafer-scale integrated computing systems
JP3025068B2 (ja) * 1991-09-12 2000-03-27 富士通株式会社 Ａｔｍスイッチのパス試験方式
US5448723A (en) * 1993-10-15 1995-09-05 Tandem Computers Incorporated Method and apparatus for fault tolerant connection of a computing system to local area networks
US5937032A (en) * 1995-11-29 1999-08-10 Telefonaktiebolaget L M Testing method and apparatus for verifying correct connection of curcuit elements
US6928584B2 (en) * 2000-11-22 2005-08-09 Tellabs Reston, Inc. Segmented protection system and method
CN101373198B (zh) * 2007-08-20 2011-03-16 电信科学技术第五研究所 电缆测试总线及开关矩阵电路

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492446A (en) * 1965-03-08 1970-01-27 Ericsson Telefon Ab L M Supervisory arrangement for detecting faults in means for selecting crossing points corresponding to switching means in a reading matrix in a telecommunication system controlled by computers
US3740645A (en) * 1970-10-19 1973-06-19 Teletype Corp Circuit testing by comparison with a standard circuit
US4112414A (en) * 1977-01-03 1978-09-05 Chevron Research Company Host-controlled fault diagnosis in a data communication system
FR2455827A1 (fr) * 1979-05-03 1980-11-28 Ibm France Dispositif de diagnostic et d'alarme pour un reseau de communication de donnees
ZA804384B (en) * 1979-08-10 1981-07-29 Plessey Co Ltd Digital telecommunications switching network with in-built fault identification
US4442502A (en) * 1981-03-30 1984-04-10 Datapoint Corporation Digital information switching system
IT1156368B (it) * 1982-06-22 1987-02-04 Cselt Centro Studi Lab Telecom Rete di commutazione pcm modulare e autoinstradante per autocommutatori telefonici a comando distribuito
CA1203875A (en) * 1983-06-16 1986-04-29 Mitel Corporation Switching system loopback test circuit
US4607365A (en) * 1983-11-14 1986-08-19 Tandem Computers Incorporated Fault-tolerant communications controller system
JPH0727509B2 (ja) * 1985-04-06 1995-03-29 ソニー株式会社 機器内バスを利用した動作制御方法
US4710935A (en) * 1986-04-04 1987-12-01 Unisys Corporation Parity detection system for wide bus circuitry
US4759019A (en) * 1986-07-10 1988-07-19 International Business Machines Corporation Programmable fault injection tool
GB8618100D0 (en) * 1986-07-24 1986-09-03 Plessey Co Plc Security arrangement
JPS63100843A (ja) * 1986-10-16 1988-05-02 Nippon Denso Co Ltd 通信制御機構
JPH06105284B2 (ja) * 1986-12-01 1994-12-21 株式会社日立製作所 大規模集積回路のテストデ−タ作成方法
US4817094A (en) * 1986-12-31 1989-03-28 International Business Machines Corporation Fault tolerant switch with selectable operating modes
US4937825A (en) * 1988-06-15 1990-06-26 International Business Machines Method and apparatus for diagnosing problems in data communication networks

Also Published As

Publication number Publication date
GB2219172B (en) 1992-07-08
JPH0213095A (ja) 1990-01-17
DK152089D0 (da) 1989-03-29
AU3175389A (en) 1989-10-05
CN1036674A (zh) 1989-10-25
FI891511A0 (fi) 1989-03-29
CN1016390B (zh) 1992-04-22
KR890015532A (ko) 1989-10-30
PT90166A (pt) 1989-11-10
EP0335510A2 (en) 1989-10-04
GB2219172A (en) 1989-11-29
EP0335510A3 (en) 1991-03-13
GB8807606D0 (en) 1988-05-05
US5042038A (en) 1991-08-20
FI891511A (fi) 1989-10-01
AU615040B2 (en) 1991-09-19

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
PUP Patent expired