DE3171755D1 - Improvements in or relating to data transmission systems - Google Patents

Improvements in or relating to data transmission systems

Info

Publication number
DE3171755D1
DE3171755D1 DE8181300147T DE3171755T DE3171755D1 DE 3171755 D1 DE3171755 D1 DE 3171755D1 DE 8181300147 T DE8181300147 T DE 8181300147T DE 3171755 T DE3171755 T DE 3171755T DE 3171755 D1 DE3171755 D1 DE 3171755D1
Authority
DE
Germany
Prior art keywords
ram
relating
data transmission
monitoring
transmission systems
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
Application number
DE8181300147T
Other languages
German (de)
English (en)
Inventor
Brian David Cantwell
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.)
British Telecommunications PLC
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Application granted granted Critical
Publication of DE3171755D1 publication Critical patent/DE3171755D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/08—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter
    • H04M11/085—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter using a television receiver, e.g. viewdata system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Debugging And Monitoring (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Selective Calling Equipment (AREA)
  • Telephonic Communication Services (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Communication Control (AREA)
DE8181300147T 1980-01-15 1981-01-14 Improvements in or relating to data transmission systems Expired DE3171755D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8001297 1980-01-15

Publications (1)

Publication Number Publication Date
DE3171755D1 true DE3171755D1 (en) 1985-09-19

Family

ID=10510642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181300147T Expired DE3171755D1 (en) 1980-01-15 1981-01-14 Improvements in or relating to data transmission systems

Country Status (5)

Country Link
EP (1) EP0033591B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS56129943A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE14960T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1180407A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3171755D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59181757A (ja) * 1983-03-30 1984-10-16 Fujitsu Ltd 端末制御装置
DE3931776A1 (de) * 1989-09-23 1991-04-04 Stollmann Gmbh Computer Und Ko Digitale telekommunikations-vorrichtung
JPH04142849A (ja) * 1990-10-03 1992-05-15 Fujitsu Ltd 通信ポート使用方式
WO1995022216A1 (en) * 1994-02-14 1995-08-17 National Semiconductor Corporation Repeater information base for snmp network management statistics accumulation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665303A (en) * 1969-12-04 1972-05-23 Leo O Richards System for automatically and manually testing lines for determining if information can be accurately transmitted thereon
FR2230131B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-05-14 1977-02-11 Honeywell Bull Soc Ind
JPS529101A (en) * 1976-02-26 1977-01-24 Kyokuto Kikai Seisakusho:Kk Water pump
JPS54117603A (en) * 1978-03-06 1979-09-12 Hitachi Ltd Line monitor system
DE2850252C2 (de) * 1978-11-20 1980-09-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Bildschirmtext-System
DE2914665C2 (de) * 1979-04-11 1986-04-17 Standard Elektrik Lorenz Ag, 7000 Stuttgart Fernmeldesystem, insbesondere Bildschirmtext-System, sowie teilzentraler und dezentraler Schaltungsbaustein für dieses System

Also Published As

Publication number Publication date
JPS56129943A (en) 1981-10-12
ATE14960T1 (de) 1985-08-15
EP0033591B1 (en) 1985-08-14
JPS637701B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-02-18
CA1180407A (en) 1985-01-02
EP0033591A1 (en) 1981-08-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BRITISH TELECOMMUNICATIONS P.L.C., LONDON, GB

8339 Ceased/non-payment of the annual fee