CA2073764A1 - Telecommunications line test system - Google Patents

Telecommunications line test system

Info

Publication number
CA2073764A1
CA2073764A1 CA002073764A CA2073764A CA2073764A1 CA 2073764 A1 CA2073764 A1 CA 2073764A1 CA 002073764 A CA002073764 A CA 002073764A CA 2073764 A CA2073764 A CA 2073764A CA 2073764 A1 CA2073764 A1 CA 2073764A1
Authority
CA
Canada
Prior art keywords
line
component
circuit
volts
threshold voltage
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.)
Abandoned
Application number
CA002073764A
Other languages
English (en)
French (fr)
Inventor
Lucjan Sniadower
Alexandru S. Gliga
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.)
Raychem SA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2073764A1 publication Critical patent/CA2073764A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04M3/301—Circuit arrangements at the subscriber's side of the line
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
CA002073764A 1990-01-31 1991-01-30 Telecommunications line test system Abandoned CA2073764A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909002171A GB9002171D0 (en) 1990-01-31 1990-01-31 Maintenance telecommunications unit
GB9002171.8 1990-01-31

Publications (1)

Publication Number Publication Date
CA2073764A1 true CA2073764A1 (en) 1991-08-01

Family

ID=10670198

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002073764A Abandoned CA2073764A1 (en) 1990-01-31 1991-01-30 Telecommunications line test system

Country Status (10)

Country Link
EP (1) EP0513101A1 (ja)
JP (1) JPH05504452A (ja)
KR (1) KR920704487A (ja)
AU (1) AU7189591A (ja)
BR (1) BR9105973A (ja)
CA (1) CA2073764A1 (ja)
FI (1) FI923435A0 (ja)
GB (1) GB9002171D0 (ja)
LV (1) LV10552B (ja)
WO (1) WO1991011872A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6895081B1 (en) 1999-04-20 2005-05-17 Teradyne, Inc. Predicting performance of telephone lines for data services
GB2355361B (en) 1999-06-23 2004-04-14 Teradyne Inc Qualifying telephone lines for data transmission
EP1260085A2 (en) * 2000-02-24 2002-11-27 Teradyne, Inc. Method and apparatus for termination detection in an adsl environment
GB0005227D0 (en) 2000-03-03 2000-04-26 Teradyne Inc Technique for estimatio of insertion loss
GB2365253B (en) 2000-07-19 2004-06-16 Teradyne Inc Method of performing insertion loss estimation
US7042983B2 (en) 2000-10-19 2006-05-09 Teradyne, Inc. Method and apparatus for bridged tap impact analysis
US7386039B2 (en) 2003-09-26 2008-06-10 Tollgrade Communications, Inc. Method and apparatus for identifying faults in a broadband network

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415779A (en) * 1981-06-15 1983-11-15 Western Electric Company, Inc. Methods of and apparatus for testing telephone subscriber loop to locate a fault relative to a reference point
DE3148740C2 (de) * 1981-12-05 1985-04-11 Fritz Kuke Kg, 1000 Berlin Abschluß für Fernsprechleitungen

Also Published As

Publication number Publication date
LV10552A (lv) 1995-02-20
FI923435A (fi) 1992-07-30
GB9002171D0 (en) 1990-03-28
BR9105973A (pt) 1992-11-03
AU7189591A (en) 1991-08-21
KR920704487A (ko) 1992-12-19
EP0513101A1 (en) 1992-11-19
FI923435A0 (fi) 1992-07-30
LV10552B (en) 1995-04-20
WO1991011872A1 (en) 1991-08-08
JPH05504452A (ja) 1993-07-08

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Legal Events

Date Code Title Description
FZDE Dead