EN 62012-1:2002

Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments - Part 1: Generic specification

specifies the definitions and test methods, when used in harsh environment, of symmetrical pair and quad cables used in digital communication systems such as ISDN, local area networks and data communication systems. gives guidance concerning the design and testing of these cables.

Mehradrige und symmetrische paar-/-viererverseilte Kabel für digitale Kommunikation zur Anwendung in rauher Umgebung - Teil 1: Fachgrundspezifikation

Câbles multiconducteurs à paires symétriques et quartes pour transmissions numériques utilisés en environnements sévères - Partie 1: Spécification générique

spécifie, dans le cas d'utilisation en environnements sévères, les définitions et les méthodes d'essai pour les câbles multiconducteurs à paires symétriques et quartes utilisés dans les systèmes en transmissions numériques tels que RNIS (ISDN), les réseaux locaux et les systèmes de transmission de données. donne des lignes directrices pour la conception et la vérification de ces câbles

Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments - Part 1: Generic specification (IEC 62012-1:2002)

General Information

• Status: Published
• Publication Date: 30-Oct-2002
• Withdrawal Date: 30-Sep-2005
• ICS: 33.120.20 - Wires and symmetrical cables
• Technical Committee: CLC/TC 46X - Communication cables
• Drafting Committee: CLC/SC 46XC - Multicore, Multipair and Quad Data communication cables
• Parallel Committee: IEC/SC 46C - IEC_SC_46C
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 31-Oct-2002
• Completion Date: 31-Oct-2002
• Ref Project: SIST EN 62012-1:2004 - Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments -- Part 1: Generic specification

Standards Content (Sample)

SLOVENSKI SIST EN 62012-1:2004

STANDARD
april 2004
Multicore and symmetrical pair/quad cables for digital communications to be used in
harsh environments - Part 1: Generic specification (IEC 62012-1:2002)
ICS 33.120.20 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD EN 62012-1
NORME EUROPÉENNE
EUROPÄISCHE NORM October 2002

ICS 33.120.20
English version
Multicore and symmetrical pair/quad cables for digital communications
to be used in harsh environments
Part 1: Generic specification
(IEC 62012-1:2002)
Câbles multiconducteurs à paires Mehradrige und symmetrische
symétriques et quartes pour transmission paar-/-viererverseilte Kabel
numérique utilisés en environnement für digitale Kommunikation
difficile zur Anwendung in rauher Umgebung
Partie 1: Spécification générique Teil 1: Fachgrundspezifikation
(CEI 62012-1:2002) (IEC 62012-1:2002)

This European Standard was approved by CENELEC on 2002-10-01. 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, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta,
Netherlands, Norway, Portugal, Slovakia, 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

© 2002 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 62012-1:2002 E
Foreword
The text of document 46C/503/FDIS, future edition 1 of IEC 62012-1, prepared by SC 46C, Wires and
symmetric cables, of IEC TC 46, Cables, wires, waveguides, r.f. connectors, r.f. and microwave
passive components and accessories, was submitted to the IEC-CENELEC parallel vote and was
approved by CENELEC as EN 62012-1 on 2002-10-01.
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) 2003-07-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2005-10-01
Annexes designated "normative" are part of the body of the standard.
Annexes designated "informative" are given for information only.
In this standard, annexes A, B and ZA are normative and annexes C and D are informative.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 62012-1:2002 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60811-1-2 NOTE Harmonized as EN 60811-1-2:1995 (not modified).
IEC 60811-3-1 NOTE Harmonized as EN 60811-3-1:1995 (not modified).
IEC 60811-4-1 NOTE Harmonized as EN 60811-4-1:1995 (not modified).
IEC 60811-4-2 NOTE Harmonized as EN 60811-4-2:1999 (modified).
__________
- 3 - EN 62012-1:2002
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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).
NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
IEC 60028 1925 International standard of resistance for - -
copper
1)
IEC 60050-701 - International electrotechnical vocabulary - -
- Chapter 701: Telecommunications,
channels and networks
1)
IEC 60050-704 - Chapter 704: Transmission - -

1)
IEC 60050-722 - Chapter 722: Telephony - -

IEC 60068-2 Series Environmental testing EN 60068-2 Series
Part 2: Tests
IEC 60189-1 1986 Low-frequency cables and wires with - -
PVC insulation and PVC sheath
Part 1: General test and measuring
methods
IEC 60304 1982 Standard colours for insulation for low- HD 402 S2 1984
frequency cables and wires
2)
IEC 60332-1 1993 Tests on electric cables under fire - -
conditions
Part 1: Test on a single vertical
insulated wire or cable
3)
IEC 60332-2 1989 Part 2: Test on a single small vertical HD 405.2 S1 1991
insulated copper wire or cable

4)
IEC 60332-3 Series Part 3: Tests on bunched wires or - 1993
cables
1)
Undated reference.
2)
EN 50265-1:1998 and EN 50265-2-1:1998, which are related to IEC 60332-1:1993, apply.
3)
HD 405.2 S1 is superseded by EN 50265-1:1998 and EN 50265-2-2:1998.
4)
The series EN 50266, which is related to the series IEC 60332-3, applies.

Publication Year Title EN/HD Year
1) 5)
IEC 60754-1 - Test on gases evolved during - -
combustion of materials from cables
Part 1: Determination of the amount of
halogen acid gas
IEC 60811-1-1 1993 Insulating and sheathing materials of EN 60811-1-1 1995
electric and optical cables - Common
test methods
Part 1-1: General application -
Measurement of thickness and overall
dimensions - Tests for determining the
mechanical properties
6)
IEC 60811-1-3 1985 Common test methods for insulating and HD 505.1.3 S2 1991
sheating materials of electric cables
Part 1: Methods for general application -
Section 3: Methods for determining the
density - Water absorption tests -
Shrinkage test
7)
IEC 60811-1-4 1985 Insulating and sheathing materials of EN 60811-1-4 1995
electric and optical cables - Common
test methods
Part 1-4: General application - Tests at
low temperature
1) 8)
IEC 61034-1 - Measurement of smoke density of - -
cables burning under defined conditions
Part 1: Test apparatus
1) 9)
IEC 61034-2 - Part 2: Test procedure and - -
requirements
5)
EN 50267-1:1998 and EN 50265-7-1:1998, which are related to IEC 60754-1:1994, apply.
6)
HD 505.1.3 S2 is superseded by EN 60811-1-3:1995, which is based on IEC 60811-1-3:1993.
7)
EN 60811-1-4 includes corrigendum May 1986 + A1:1993 to IEC 60811-1-4.
8)
EN 50268-1:1999, which is related to IEC 61034-1:1997, applies.
9)
EN 50268-2:1999, which is related to IEC 61034-2:1997, applies.

NORME CEI
INTERNATIONALE
IEC
62012-1
INTERNATIONAL
Première édition
STANDARD
First edition
2002-06
Câbles multiconducteurs à paires symétriques
et quartes pour transmissions numériques
utilisés en environnements sévères –
Partie 1:
Spécification générique
Multicore and symmetrical pair/quad cables
for digital communications to be used in
harsh environments –
Part 1:
Generic specification
© IEC 2004 Droits de reproduction réservés ⎯ Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
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62012-1 © IEC:2004 – 3 –
CONTENTS
FOREWORD.7
INTRODUCTION.11
1 General.13
1.1 Scope.13
1.2 Normative references.13
1.3 Definitions.15
1.4 Environmental considerations.15
2 Materials and cable construction .17
2.1 General remarks.17
2.2 Cable construction.17
2.3 Identification.21
2.4 Finished cable.21
3 Test methods.21
3.1 General remarks.21
3.2 Electrical tests.21
3.3 Mechanical and dimensional measurement tests .23
3.4 Environmental tests.31
3.5 Temperature tests.39
3.6 Chemical tests.45
3.7 Radiation tests.47
Annex A (normative) Horizontal integrated fire-test method .55
A.1 Definitions, symbols and abbreviations .55
A.2 Test environment.55
A.3 Test apparatus.55
A.4 Test specimens.73
A.5 Calibration and maintenance of test equipment.75
A.6 Test specimen preparation.85
A.7 Test procedures.87
A.8 Post-test clean-up and inspection .89
A.9 Calculations.91
A.10 Report.97
Annex B (normative) Method for determining suitability of oxygen analysers for making
heat release measurements .99
B.1 General.99
B.2 Procedure.99
B.3 Additional precautions.99
Annex C (informative) Material information list .101
C.1 Analyser.101
C.2 Fire-test chamber.101
C.3 Firebrick.101

62012-1 © IEC:2004 – 5 –
C.4 Inside glass panes.101
C.5 Lamp.103
C.6 Recording device.103
C.7 Bi-directional probe.103
C.8 Neutral density filters.
...