EP1260085A2 - Verfahren und vorrichtung zur abschlusserkennung in einer adsl umgebung - Google Patents

Verfahren und vorrichtung zur abschlusserkennung in einer adsl umgebung

Info

Publication number
EP1260085A2
EP1260085A2 EP01906767A EP01906767A EP1260085A2 EP 1260085 A2 EP1260085 A2 EP 1260085A2 EP 01906767 A EP01906767 A EP 01906767A EP 01906767 A EP01906767 A EP 01906767A EP 1260085 A2 EP1260085 A2 EP 1260085A2
Authority
EP
European Patent Office
Prior art keywords
voltage
line
approximately
ring
tip
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.)
Withdrawn
Application number
EP01906767A
Other languages
English (en)
French (fr)
Inventor
David Grossel
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.)
Teradyne Inc
Original Assignee
Teradyne Inc
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 Teradyne Inc filed Critical Teradyne Inc
Publication of EP1260085A2 publication Critical patent/EP1260085A2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/46Monitoring; Testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/24Testing correct operation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/02Calling substations, e.g. by ringing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/2209Arrangements for supervision, monitoring or testing for lines also used for data transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
EP01906767A 2000-02-24 2001-01-30 Verfahren und vorrichtung zur abschlusserkennung in einer adsl umgebung Withdrawn EP1260085A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US51217900A 2000-02-24 2000-02-24
US512179 2000-02-24
PCT/US2001/002917 WO2001063893A2 (en) 2000-02-24 2001-01-30 Method and apparatus for termination detection in an adsl environment

Publications (1)

Publication Number Publication Date
EP1260085A2 true EP1260085A2 (de) 2002-11-27

Family

ID=24038025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01906767A Withdrawn EP1260085A2 (de) 2000-02-24 2001-01-30 Verfahren und vorrichtung zur abschlusserkennung in einer adsl umgebung

Country Status (8)

Country Link
EP (1) EP1260085A2 (de)
JP (1) JP2003524343A (de)
AR (1) AR033511A1 (de)
AU (1) AU2001234637A1 (de)
BR (1) BR0108936A (de)
CA (1) CA2401054A1 (de)
TW (1) TW498674B (de)
WO (1) WO2001063893A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7333606B1 (en) 2000-04-13 2008-02-19 Adc Telecommunications, Inc. Splitter architecture for a telecommunications system
EP2111024A1 (de) * 2008-04-16 2009-10-21 Nokia Siemens Networks Oy Erkennung von Vorrichtungen und Fehlerzuständen mithilfe von U/I bzw- I/U-Merkmalen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529847A (en) * 1983-12-12 1985-07-16 At&T Bell Laboratories Maintenance termination unit
GB9002171D0 (en) * 1990-01-31 1990-03-28 Raychem Pontoise Sa Maintenance telecommunications unit
US5699402A (en) * 1994-09-26 1997-12-16 Teradyne, Inc. Method and apparatus for fault segmentation in a telephone network
US5636202A (en) * 1995-07-25 1997-06-03 Lucent Technologies Inc. Test system for detecting ISDN NT1-U interfaces

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0163893A3 *

Also Published As

Publication number Publication date
AU2001234637A1 (en) 2001-09-03
WO2001063893A3 (en) 2002-07-18
CA2401054A1 (en) 2001-08-30
BR0108936A (pt) 2003-12-09
WO2001063893A2 (en) 2001-08-30
TW498674B (en) 2002-08-11
AR033511A1 (es) 2003-12-26
JP2003524343A (ja) 2003-08-12

Similar Documents

Publication Publication Date Title
US5402073A (en) Near-end communications line characteristic measuring system with a voltage sensitive non-linear device disposed at the far end
US8774015B2 (en) Digital subscriber line (DSL) access multiplexer wiring validation
US4529847A (en) Maintenance termination unit
EP1625736B1 (de) Verfahren und anordnung zur schleifenprüfung einer gestörten leitung
US5978449A (en) Qualifying telephone line for digital transmission service
TW219979B (de)
US20010012333A1 (en) Method and apparatus for qualifying loops for data services
US4578761A (en) Separating an equivalent circuit into components to detect terminating networks
US20060159231A1 (en) Apparatus and method for measuring loop insertion loss single-endedly
US4041255A (en) Switching circuit for telecommunications lines
US4373121A (en) Maintenance termination device
CN101502087A (zh) 具有振荡电路的办公室id远程单元
US4320338A (en) Methods of and apparatus for determining the capacitance of a transmission line by integrating line currents
EP0901264B1 (de) Telekommunikationsleitungsabschlusstest
EP1260085A2 (de) Verfahren und vorrichtung zur abschlusserkennung in einer adsl umgebung
US6870902B2 (en) Customer services terminal method and apparatus for testing a plurality of interface circuits and telephone lines that are connected thereto
US6856672B2 (en) Graphic user interface method and apparatus for testing a customer services terminal and a plurality of telephone lines that are connected thereto
EP0513101A1 (de) System zur prüfung von nachrichten-übertragungsleitungen
WO2002049333A1 (fr) Dispositif isolateur pour ligne adsl
GB2329552A (en) Line terminator test
JPS62289778A (ja) 高速mos素子の試験回路
JPH08279849A (ja) 加入者線路の試験装置
Erker et al. Digital loop extension using mid span amplification
KR970078383A (ko) 자기 모니터링 회선 인터페이스 회로
Family HC55120, HC55121, HC55130, HC55131, HC55140, HC55141, HC55142, HC55143, HC55150, HC55151

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20020923

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17Q First examination report despatched

Effective date: 20030408

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20050805