EN 60794-2-41:2008

SLOVENSKI STANDARD
01-december-2008
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Optical fibre cables - Part 2-41: Indoor cables - Product specification for simplex and
duplex buffered A4 fibres (IEC 60794-2-41:2008)
Lichtwellenleiterkabel - Teil 2-41: Innenkabel - Produktspezifikation für ummantelte
Simplex- und Duplexfasern der Kategorie A4 (IEC 60794-2-41:2008)
Câbles à fibres optiques - Partie 2-41: Câbles intérieurs - Spécification de produit pour
câbles simplex et duplex munis de fibres A4 sous revêtement protecteur (CEI 60794-2-
41:2008)
Ta slovenski standard je istoveten z: EN 60794-2-41:2008
ICS:
33.180.10 2SWLþQDYODNQDLQNDEOL Fibres and cables
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 60794-2-41
NORME EUROPÉENNE
September 2008
EUROPÄISCHE NORM
ICS 33.180.10
English version
Optical fibre cables -
Part 2-41: Indoor cables -
Product specification for simplex and duplex buffered A4 fibres
(IEC 60794-2-41:2008)
Câbles à fibres optiques -  Lichtwellenleiterkabel -
Partie 2-41: Câbles intérieurs - Teil 2-41: Innenkabel -
Spécification de produit pour câbles Produktspezifikation für ummantelte
simplex et duplex munis de fibres A4 Simplex- und Duplexfasern
sous revêtement protecteur der Kategorie A4
(CEI 60794-2-41:2008) (IEC 60794-2-41:2008)

This European Standard was approved by CENELEC on 2008-08-01. 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, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the 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

© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60794-2-41:2008 E
Foreword
The text of document 86A/1215/FDIS, future edition 1 of IEC 60794-2-41, prepared by SC 86A, Fibres
and cables, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was
approved by CENELEC as EN 60794-2-41 on 2008-08-01.
This standard is to be used in conjunction with EN 60794-1-1 and EN 60794-1-2, and EN 60794-2. A
blank detail specification is provided in Annex A.
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) 2009-05-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2011-08-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60794-2-41:2008 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 60654 NOTE  Harmonized in EN 60654 series (not modified).
IEC 60654-4 NOTE  Harmonized as EN 60654-4:1997 (not modified).
IEC 60721 NOTE  Harmonized in EN 60721 series (not modified).
IEC 60721-1 NOTE  Harmonized as EN 60721-1:1995 (not modified).
IEC 60721-3-3 NOTE  Harmonized as EN 60721-3-3:1995 (not modified).
IEC 60793-1-40 NOTE  Harmonized as EN 60793-1-40:2003 (modified).
IEC 60793-1-41 NOTE  Harmonized as EN 60793-1-41:2003 (not modified).
IEC 60794-2-40 NOTE  Harmonized as EN 60794-2-40:2008 (not modified).
IEC 61000-6-2 NOTE  Harmonized as EN 61000-6-2:2005 (not modified).
IEC 61326 NOTE  Harmonized in EN 61326 series (not modified).
IEC 61918 NOTE  Harmonized as EN 61918:2008 (modified).
__________
- 3 - EN 60794-2-41:2008
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

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

1)
IEC 60189-1 - Low-frequency cables and wires with PVC - -
insulation and PVC sheath -
Part 1: General test and measuring methods

1) 2)
IEC 60793-1-20 - Optical fibres - EN 60793-1-20 2002
Part 1-20: Measurement methods and test
procedures - Fibre geometry
1) 2)
IEC 60793-1-21 - Optical fibres - EN 60793-1-21 2002
Part 1-21: Measurement methods and test
procedures - Coating geometry
1) 2)
IEC 60793-1-46 - Optical fibres - EN 60793-1-46 2002
Part 1-46: Measurement methods and test
procedures - Monitoring of changes in optical
transmittance
1) 2)
IEC 60793-1-50 - Optical fibres - EN 60793-1-50 2002
Part 1-50: Measurement methods and test
procedures - Damp heat (steady state)

1) 2)
IEC 60793-1-51 - Optical fibres - EN 60793-1-51 2002
Part 1-51: Measurement methods and test
procedures - Dry heat
1) 2)
IEC 60793-1-52 - Optical fibres - EN 60793-1-52 2002
Part 1-52: Measurement methods and test
procedures - Change of temperature

1) 2)
IEC 60793-2-40 - Optical fibres - EN 60793-2-40 2006
Part 2-40: Product specifications - Sectional
specification for category A4 multimode fibres

1) 2)
IEC 60794-1-1 - Optical fibre cables - EN 60794-1-1 2002
Part 1-1: Generic specification - General

1) 2)
IEC 60794-1-2 - Optical fibre cables - EN 60794-1-2 2003
Part 1-2: Generic specification - Basic optical
cable test procedures
IEC 60794-2 2002 Optical fibre cables - EN 60794-2 2003
Part 2: Indoor cables - Sectional specification

1)
Undated reference.
2)
Valid edition at date of issue.

IEC 60794-2-41
Edition 1.0 2008-06
INTERNATIONAL
STANDARD
Optical fibre cables –
Part 2-41: Indoor cables – Product specification for simplex and duplex buffered
A4 fibres
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
S
ICS 33.180.10 ISBN 2-8318-9877-3

– 2 – 60794-2-41 © IEC:2008(E)
CONTENTS
FOREWORD.3
1 Scope.5
2 Normative references .5
3 Construction .6
3.1 General .6
3.2 Optical fibres.6
3.3 Buffer .6
3.4 Strength and anti-buckling members .6
3.5 Ripcord .6
3.6 Sheath .6
3.7 Marking .6
3.8 Identification.6
3.9 Examples of constructions.6
4 Dimensions .7
5 Tests .7
5.1 General .7
5.2 Dimensions .7
5.3 Mechanical requirements.7
5.3.1 General .7
5.3.2 Tensile performance.8
5.3.3 Crush .8
5.3.4 Impact .8
5.3.5 Bend.8
5.3.6 Repeated bending .9
5.3.7 Bend at low temperature.9
5.3.8 Flexing .9
5.3.9 Torsion .9
5.3.10 Kink.9
5.4 Environmental requirements .9
5.4.1 Mechanical environmental requirement.10
5.4.2 Transmission environmental requirements.11
5.5 Transmission requirements .11
5.6 Fire performance.11
Annex A (informative) Blank detail specification.12
Bibliography.22

Figure 1 – Examples of buffered fibres.

Table 1 – Dimensions of buffered fibre.
Table 2 – Minimum tensile load for 4 % elongation .8
Table 3 – Environmental exposure tests .10
Table 4 – Attributes measured .10
Table 5 – Requirement for tensile strength.10
Table 6 – Requirement for change in attenuation .11
Table A.1 – Required tests.19

60794-2-41 © IEC:2008(E) – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
_____________
OPTICAL FIBRE CABLES –
Part 2-41: Indoor cables –
Product specification for simplex and duplex buffered A4 fibres

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendation
...