CA2297871C - Methode d'essai de la multitonalite discrete pour determiner la capacite de lnpa des cables - Google Patents

Methode d'essai de la multitonalite discrete pour determiner la capacite de lnpa des cables Download PDF

Info

Publication number
CA2297871C
CA2297871C CA 2297871 CA2297871A CA2297871C CA 2297871 C CA2297871 C CA 2297871C CA 2297871 CA2297871 CA 2297871 CA 2297871 A CA2297871 A CA 2297871A CA 2297871 C CA2297871 C CA 2297871C
Authority
CA
Canada
Prior art keywords
adsl
test
sub
cable
channel
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 - Fee Related
Application number
CA 2297871
Other languages
English (en)
Other versions
CA2297871A1 (fr
Inventor
Ronald Y. R. Liang
Robert Layton
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.)
Exfo Inc
Original Assignee
Consultronics Ltd
Sony Corp
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 Consultronics Ltd, Sony Corp filed Critical Consultronics Ltd
Priority to CA 2297871 priority Critical patent/CA2297871C/fr
Publication of CA2297871A1 publication Critical patent/CA2297871A1/fr
Application granted granted Critical
Publication of CA2297871C publication Critical patent/CA2297871C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04L43/50—Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • 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
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2209—Arrangements for supervision, monitoring or testing for lines also used for data transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CA 2297871 2000-02-03 2000-02-03 Methode d'essai de la multitonalite discrete pour determiner la capacite de lnpa des cables Expired - Fee Related CA2297871C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2297871 CA2297871C (fr) 2000-02-03 2000-02-03 Methode d'essai de la multitonalite discrete pour determiner la capacite de lnpa des cables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2297871 CA2297871C (fr) 2000-02-03 2000-02-03 Methode d'essai de la multitonalite discrete pour determiner la capacite de lnpa des cables

Publications (2)

Publication Number Publication Date
CA2297871A1 CA2297871A1 (fr) 2001-08-03
CA2297871C true CA2297871C (fr) 2004-12-28

Family

ID=4165240

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2297871 Expired - Fee Related CA2297871C (fr) 2000-02-03 2000-02-03 Methode d'essai de la multitonalite discrete pour determiner la capacite de lnpa des cables

Country Status (1)

Country Link
CA (1) CA2297871C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002250093A1 (en) * 2001-02-15 2002-08-28 2Wire, Inc. System and method for fault isolation for dsl loop extenders
EP1349355A1 (fr) 2002-03-28 2003-10-01 BRITISH TELECOMMUNICATIONS public limited company Procédé et dispositif de détection de défauts d'une ligne téléphonique
US7386039B2 (en) 2003-09-26 2008-06-10 Tollgrade Communications, Inc. Method and apparatus for identifying faults in a broadband network
US8767809B2 (en) 2009-02-11 2014-07-01 Telefonaktiebolaget L M Ericsson (Publ) Methods and devices for transmission line analysis

Also Published As

Publication number Publication date
CA2297871A1 (fr) 2001-08-03

Similar Documents

Publication Publication Date Title
US6445773B1 (en) DMT test method for determining ADSL capability of cables
US7583727B2 (en) Single ended DMT test method for determining ADSL capability of cables
KR100476456B1 (ko) 디지털 가입자 라인 시스템의 전화국사측 송수신 유니트시험장치 및 그 방법
US6532215B1 (en) Device and method for network communications and diagnostics
US8270311B2 (en) Method for determining automatically a FEXT/NEXT transfer-function
US7289604B2 (en) System and method for subscriber loop testing
US6324212B1 (en) Apparatus using low spectrum selectively for providing both ADSL and POTS service
EP3537696A1 (fr) État de basse consommation pour système et dispositifs dsl
US20030016797A1 (en) Method of establishing signaling rate for single-line digital subscriber link providing extended range ADSL service with auxiliary pots channel
US20070147431A1 (en) xDSL modem
US7027405B1 (en) System and method for broadband analysis of telephone local loop
US6404774B1 (en) Method using low spectrum selectively for providing both ADSL and POTS service
EP3193458B1 (fr) Procédé pour l'élimination automatique du crosstalk et appareil associé
EP2216972B1 (fr) Procédé, dispositif et système de détection de séparateur
US6721394B1 (en) Method for reducing noise from an asymmetric digital subscriber line modem
US6725176B1 (en) Loop diagnostics for ADSL systems
US20110317749A1 (en) Reconfigurable transceiver method and apparatus
US6574282B1 (en) Multi-carrier transmission system, transmission unit and transmission method
US6553075B1 (en) Method and apparatus for determining crosstalk
CA2297871C (fr) Methode d'essai de la multitonalite discrete pour determiner la capacite de lnpa des cables
US7747789B2 (en) Method for selecting an operating mode automatically
US7424097B2 (en) Method of measuring and improving xDSL transmission characteristic
CN102460966B (zh) 用于xdsl收发机内的时钟恢复的方法和装置
US7564895B2 (en) Method and apparatus for monitoring channel frequency response
US8923139B2 (en) System and method for making far end measurements for DSL diagnostics

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150203