SIST EN 50289-1-11:2002

SLOVENSKI STANDARD
SIST EN 50289-1-11:2002
01-september-2002
Communication cables - Specifications for test methods - Part 1-11: Electrical test
methods - Caharacteristic impedance, input impedance, return loss (Note: Applies
in conjunction with EN 50289-1-1)
Communication cables - Specifications for test methods -- Part 1-11: Electrical test
methods - Characteristic impedance, input impedance, return loss
Kommunikationskabel - Spezifikationen für Prüfverfahren -- Teil 1-11: Elektrische
Prüfverfahren - Wellenwiderstand, Eingangsimpedanz, Rückflussdämpfung
Câbles de communication - Spécifications des méthodes d'essai -- Partie 1-11:
Méthodes d'essais électriques - Impédance caractéristique, impédance d'entrée,
affaiblissement de réflexion
Ta slovenski standard je istoveten z: EN 50289-1-11:2001
ICS:
33.120.20 äLFHLQVLPHWULþQLNDEOL Wires and symmetrical
cables
SIST EN 50289-1-11:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 50289-1-11:2002

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SIST EN 50289-1-11:2002
EUROPEAN STANDARD EN 50289-1-11
NORME EUROPÉENNE
EUROPÄISCHE NORM November 2001
ICS 33.120.20
English version
Communication cables -
Specifications for test methods
Part 1-11: Electrical test methods -
Characteristic impedance, input impedance, return loss
Câbles de communication - Kommunikationskabel -
Spécifications des méthodes d'essai Spezifikationen für Prüfverfahren
Partie 1-11: Méthodes d'essais électriques - Teil 1-11: Elektrische Prüfverfahren -
Impédance caractéristique, impédance Wellenwiderstand, Eingangsimpedanz,
d'entrée, affaiblissement de réflexion Rückflußdämpfung
This European Standard was approved by CENELEC on 2001-03-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any
other language made by translation under the responsibility of a CENELEC member into its own
language and notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands,
Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50289-1-11:2001 E

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SIST EN 50289-1-11:2002
EN 50289-1-11:2001 - 2 -
Foreword
This European Standard was prepared by the Technical Committee CENELEC TC 46X, Communication
cables.
The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50289-1-11
on 2001-03-01.
The following dates were fixed:
- latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2002-05-01
- latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2004-04-01
This European Standard has been prepared under the European Mandate M/212 given to CENELEC by the
European Commission and the European Free Trade Association.

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SIST EN 50289-1-11:2002
- 3 - EN 50289-1-11:2001
Contents
1 Scope . 4
2 Normative references . 4
3 Definitions. 4
4 Test method for input impedance and return loss . 6
4.1 Equipment . 6
4.2 Test sample. 6
4.3 Procedure. 6
4.3.1 Calibration procedure. 6
4.3.2 Measuring procedures. 7
5 Expression of test results . 8
6 Test report. 9

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SIST EN 50289-1-11:2002
EN 50289-1-11:2001 - 4 -
1 Scope
This Part 1-11 of EN 50289 details the test methods to determine characteristic impedance, input
impedance and return loss of cables used in analogue and digital communication systems.
It is to be read in conjunction with Part 1-1 of EN 50289-1-1, which contains essential provisions for its
application.
2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other publications.
These normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply
to this European Standard only when incorporated in it by amendment or revision. For undated references
the latest edition of the publication referred to applies (including amendments).
EN 50289-1-1 2001 Communication cables - Specifications for test methods -
Part 1-1: Electrical test methods - General requirements
EN 50289-1-5 2001 Communication cables - Specifications for test methods -
Part 1-5: Electrical test methods - Capacitance
EN 50289-1-7 2001 Communication cables - Specifications for test methods -
Part 1-7: Electrical test methods - Velocity of propagation
EN 50289-1-8 2001 Communication cables - Specifications for test methods -
Part 1-8: Electrical test methods – Attenuation
1)
EN 50290-1-2 Communication cables - Part 1-2: Definitions
3 Definitions
For the purpose of this European Standard, the definitions of EN 50290-1-2 apply in addition to the following
on
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