KR920704487A - 통신 선로 검사 시스템 - Google Patents

통신 선로 검사 시스템

Info

Publication number
KR920704487A
KR920704487A KR1019920701812A KR920701812A KR920704487A KR 920704487 A KR920704487 A KR 920704487A KR 1019920701812 A KR1019920701812 A KR 1019920701812A KR 920701812 A KR920701812 A KR 920701812A KR 920704487 A KR920704487 A KR 920704487A
Authority
KR
South Korea
Prior art keywords
component
threshold voltage
line
circuit
capacitor
Prior art date
Application number
KR1019920701812A
Other languages
English (en)
Korean (ko)
Inventor
스냐도워 뤼장
에스. 글리가 알렉산드르
Original Assignee
안토니 윌리암 제이
레이켐 에스. 에이.
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 안토니 윌리암 제이, 레이켐 에스. 에이. filed Critical 안토니 윌리암 제이
Publication of KR920704487A publication Critical patent/KR920704487A/ko

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)
KR1019920701812A 1990-01-31 1991-01-30 통신 선로 검사 시스템 KR920704487A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909002171A GB9002171D0 (en) 1990-01-31 1990-01-31 Maintenance telecommunications unit
GB9002171.8 1990-01-31
PCT/GB1991/000129 WO1991011872A1 (en) 1990-01-31 1991-01-30 Telecommunications line test system

Publications (1)

Publication Number Publication Date
KR920704487A true KR920704487A (ko) 1992-12-19

Family

ID=10670198

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920701812A KR920704487A (ko) 1990-01-31 1991-01-30 통신 선로 검사 시스템

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
CA2073764A1 (en) 1991-08-01
FI923435A (fi) 1992-07-30
GB9002171D0 (en) 1990-03-28
BR9105973A (pt) 1992-11-03
AU7189591A (en) 1991-08-21
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
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid