WO2003015319A2 - Systeme de commutation electronique et procede de prequalification de lignes de raccordement d'abonnes - Google Patents

Systeme de commutation electronique et procede de prequalification de lignes de raccordement d'abonnes Download PDF

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Publication number
WO2003015319A2
WO2003015319A2 PCT/DE2002/002803 DE0202803W WO03015319A2 WO 2003015319 A2 WO2003015319 A2 WO 2003015319A2 DE 0202803 W DE0202803 W DE 0202803W WO 03015319 A2 WO03015319 A2 WO 03015319A2
Authority
WO
WIPO (PCT)
Prior art keywords
subscriber line
xdsl
pots
module
output
Prior art date
Application number
PCT/DE2002/002803
Other languages
German (de)
English (en)
Inventor
Franz SCHMÖLLER
Stephan Binde
Chlodwig NEUHÄUSLER
Michael Stegherr
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to DE10293587T priority Critical patent/DE10293587D2/de
Publication of WO2003015319A2 publication Critical patent/WO2003015319A2/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/045—Selection or connection testing arrangements
    • 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
    • H04M3/305—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance
    • 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
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13003—Constructional details of switching devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13039—Asymmetrical two-way transmission, e.g. ADSL, HDSL
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13092—Scanning of subscriber lines, monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1316—Service observation, testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13299—Bus

Definitions

  • the invention relates to an electronic dialing system in a telecommunications network, consisting of at least one POTS / ISDN subscriber line module and at least one xDSL subscriber line module, both provided for establishing line connections between at least two subscribers of the telecommunications network, with a higher-level management for the subscriber line modules. and control system is provided.
  • the invention relates to a method for prequalifying subscriber lines in the above-mentioned electronic dialing system.
  • POTS / ISDN subscriber line modules are understood to mean those modules which, because of their bandwidth, are only suitable for the frequencies of the voice transmission or are designed in accordance with the known ISDN standard.
  • XDSL subscriber line modules are to be understood as those which work according to the generally known xDSL standard and can therefore achieve significantly higher data transmission rates.
  • the general aim is to be able to give the end customer an indication of the maximum data transmission rate at which his line can be operated.
  • test equipment for prequalification of the respective subscriber line is currently connected to this corresponding line, so that, based on the test results, the customer can be given a prediction for the maximum bandwidth with which this subscriber line can be operated.
  • the inventors have recognized that it is possible, in mixed-use electronic dialing systems which have at least one xDSL subscriber line module, to interconnect this module with the "old" POTS / ISDN subscriber line modules in such a way that by inserting a single xDSL line Subscriber line module in an electronic dialing system it is possible to test the otherwise existing "old" subscriber line.
  • This known electronic dialing system consists of at least one POTS / ISDN subscriber line module and at least one xDSL subscriber line module, both for establishing line connections between at least two subscribers of the telecommunications network, a higher-level management and control system being provided for the subscriber line assemblies.
  • Means for prequalifying subscriber lines are provided in the at least one xDSL subscriber line module, at least one subscriber line output being designed to be redirectable to a test bus input / output via a first output circuit,
  • a test bus input / output is provided on the at least one POTS / ISDN subscriber line module and can be individually connected to one of the subscriber line lines with a second output circuit,
  • a test bus is provided between the at least one xDSL subscriber line module and the at least one POTS / ISDN subscriber line module
  • control means are provided in the management and control system that perform a prequalification of a subscriber line connected to a POTS / ISDN subscriber line module , this redirects to a subscriber line connection output of the at least one xDSL subscriber line module.
  • the inventors propose to implement the first output circuit in such a way that either the subscriber line or the test bus input / output is connected to a subscriber line connection output of the xDSL subscriber line module.
  • the second output circuit in such a way that either a subscriber line connection output or the test bus input / output is connected to a subscriber line of the POTS / ISDN subscriber line module.
  • This configuration of the output circuits can ensure that an "old" subscriber line of the POTS / ISDN subscriber line module can be tested without problems even when the connections in the xDSL subscriber line module are fully occupied. If this configuration of the output circuits described above is not implemented, it is necessary to keep the subscriber line connection output of the xDSL subscriber line module used for the test open.
  • the inventors propose that at least one reference impedance, which can be connected to a subscriber line connection output, is provided in at least one of the xDSL subscriber line modules, with which the means for prequalification can be tested for functionality and / or calibrated. With this design it is therefore possible to carry out internal fault diagnosis or to carry out a calibration of the prequalification function on the basis of the known reference impedance.
  • the inventors further propose that the known method for prequalifying subscriber lines that are connected to a POTS / ISDN subscriber line module of an electronic dialing system of a telecommunications network with at least At least one POTS / ISDN subscriber line module and at least one xDSL subscriber line module with a prequalification function of subscriber lines are connected, the subscriber line modules being controlled by a higher-level management and control system, to improve the fact that a subscriber line line output of the xDSL is controlled by the management and control system Subscriber line module is connected via a test bus to one of the subscriber line lines of the POTS / ISDN subscriber line module and the subscriber line of the POTS / ISDN subscriber line module is tested by the integrated prequalification function of the xDSL subscriber line module.
  • the inventors also propose to extend the method described above in such a way that by redirecting a subscriber line connection output of the xDSL subscriber line module to an internal reference impedance, the integrated prequalification function of the xDSL subscriber line module is tested for functionality and / or calibrated. Also, by redirecting a subscriber line connection output of the xDSL subscriber line module to a reference impedance that can be contacted on the test bus, the test bus itself can be tested for functionality and / or calibrated.
  • Subscriber line modules can be used.
  • Figure 1 Schematic structure of an electronic dialing system according to the invention with xDSL and POTS / ISDN subscriber line modules;
  • FIG. 2 Detailed embodiment using the example of an applicant's EWSD system.
  • FIG. 1 shows the exemplary structure of an electronic dialing system 1 in a telecommunications network.
  • this electronic dialing system 1 there is a management and control system 4 and 5, which on the one hand controls an xDSL module 3 and a large number of POTS / ISDN subscriber line modules.
  • POTS / ISDN subscriber line modules 2.1 and 2.2 are shown in the illustration shown.
  • the subscriber lines that are operated in xDSL mode are provided with the reference symbols 13.x and the subscriber lines that are operated in POTS / ISDN mode with the reference symbols 16.x.
  • the xDSL subscriber line module 3 has an internal control function 6.1, which also houses an integrated prequalification function 6.2.
  • This control function 6.1 controls a large number of subscriber line circuits 19, each of which has a relay 9.x at its outputs 7.x, which is able to switch the respective subscriber line connection output 7.x either to the associated one Subscriber line 13.x or a test bus input / output 8.
  • the structure of the POTS / ISDN modules 2.1 and 2.2 is similar, but the control functions 17 have no prequalification function.
  • a large number of subscriber line circuits 18 are again connected to the controller 17, the subscriber line connection outputs 14.x each of which in turn are routed to a relay 11.1.x to 11.2.x, these relays being mirror images of the relays 9.x in the xDSL - Subscriber connection assembly are arranged.
  • test bus inputs / outputs 8, 10.1 and 10.2 of the subscriber line modules 3, 2.1 and 2.2 are connected to one another via a test bus 12.
  • an individual subscriber line I ⁇ .xy can be looped through to the xDSL subscriber line module 3 in order to use this to pre-qualify the connected subscriber line.
  • the subscriber line 16.2.1 can be switched over the xDSL Module 3 are tested with their prequalification function and the possible data transmission rate on this subscriber line 16.2.1 are determined.
  • FIG. 1 shows an integration of the invention in the known electronic dialing system (EWSD) of the applicant in a schematic manner.
  • EWSD electronic dialing system
  • An ADSL subscriber line module 3 (SLMI.-AME) is shown, which is connected via a test bus 12 to a POTS / ISDN subscriber line module 2 (SLMA / D: xyz).
  • the functions of both modules are controlled by a management and control system 4 and 5. It goes without saying that there are a large number of POTS / ISDN subscriber line modules 2 in the real electronic dialing system, all of which are connected via the test bus 12 and the management and control system 4 and 5.
  • the ADSL subscriber line module has an internal
  • the relays KbO to Kbl5 enable the assigned subscriber line to be connected to the outside test bus 12, which in turn can be connected to a subscriber line via the corresponding relays in the POTS / ISDN subscriber line module.
  • no subscriber line is connected to the output of the lines aO / bO of the ADSL subscriber line module 3, so that the switching of the relay KbO shown in the module 3 and module 2 and when the relay KaO in the POTS is opened at the same time / ISDN subscriber line module 2 it is possible to test the subscriber lines aO / bO at the output of the POTS subscriber line module 2.
  • the ADSL subscriber line module 3 has an integrated grated reference impedance 15, which can be placed on one of the subscriber line circuits by appropriate switching of the relays KaO to Kal5, Kc and Kd, so that the functionality of the prequalification function can be tested or its function can be calibrated.
  • the invention thus opens up the possibility of installing a single xDSL subscriber line module in an electronic dialing system with a large number of POTS / ISDN subscriber line modules, so that the subscriber line lines connected to these modules can also be made accessible to a prequalification process without the need for special test equipment.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

L'invention concerne un système de commutation électronique (1) et un procédé de préqualification de lignes de raccordement d'abonnés (16.x.y). Ce système comprend un mélange de composants de raccordement d'abonnés POTS/ISDN- (2.x) et au moins d'un composant de ligne de raccordement d'abonné xDSL- (3) qui sont reliés par un bus d'essai (12) de telle manière qu'une fonction de préqualification (6.2) du composant de raccordement d'abonné xDSL- (3) puisse également être utilisée dans les lignes de raccordement d'abonnés (16.x.y) des composants de raccordement d'abonnés POTS/ISDN (2.x).
PCT/DE2002/002803 2001-07-30 2002-07-30 Systeme de commutation electronique et procede de prequalification de lignes de raccordement d'abonnes WO2003015319A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10293587T DE10293587D2 (de) 2001-07-30 2002-07-30 Elektronisches Wählsystem und Verfahren zur Präqualifikation von Teilnehmeranschlussleitungen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001137219 DE10137219C1 (de) 2001-07-30 2001-07-30 Elektronisches Wählsystem und Verfahren zur Präqualifikation von Teilnehmeranschlussleitungen
DE10137219.1 2001-07-30

Publications (1)

Publication Number Publication Date
WO2003015319A2 true WO2003015319A2 (fr) 2003-02-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/002803 WO2003015319A2 (fr) 2001-07-30 2002-07-30 Systeme de commutation electronique et procede de prequalification de lignes de raccordement d'abonnes

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Country Link
DE (2) DE10137219C1 (fr)
WO (1) WO2003015319A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10336020B4 (de) * 2003-08-01 2006-01-26 Vierling Communications Gmbh Prüfsystem und Verfahren zur zentralen Durchführung von Prüfungen der Teilnehmeranschlussleitungen in einem Telekommunikationsnetz
DE102005046862A1 (de) 2005-09-30 2007-04-05 Adc Gmbh Anschlussmodul mit integrierten Funktionen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1143507C (zh) * 1998-09-30 2004-03-24 西门子公司 检测用户线的方法
CA2281208A1 (fr) * 1999-08-31 2001-02-28 Nortel Networks Corporation Determination unilaterale de l'admissibilite de lignes d'abonne au service xdsl
DE19946763C2 (de) * 1999-09-29 2002-07-11 Siemens Ag Verfahren zum Messen der Leitungseigenschaften einer Telekommunikationsleitung für hochbitratige Datenübertragung
US6496566B1 (en) * 2000-09-29 2002-12-17 Lucent Technologies Inc. Metallic testing of a subscriber loop that provides both voice and digital subscriber line services

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Publication number Publication date
DE10137219C1 (de) 2003-04-03
DE10293587D2 (de) 2004-07-01

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