SIST EN 60794-2-41:2008

Optical fibre cables - Part 2-41: Indoor cables - Product specification for simplex and duplex buffered A4 fibres (IEC 60794-2-41:2008)

This part of IEC 60794 covers simplex and duplex buffered A4a through A4g fibres for indoor use. These may be cut into short lengths, which can be used in patchcord cable assemblies. The requirements of sectional specification IEC 60794-2 are applicable to cables covered by this standard.

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)

L'IEC 60794-2-41:2008 couvre les fibres A4a à A4g simplex et duplex pour utilisation à l'intérieur. Celles-ci peuvent être coupées pour obtenir de faibles longueurs qui peuvent être utilisées dans les cordons de brassage assemblés. Les exigences de la spécification intermédiaire CEI 60794-2 sont applicables aux câbles couverts par la présente norme.
Mots clés: fibres A4a à A4g, les cordons de brassage assemblés
Cette publication doit être lue conjointement avec la CEI 60794-1-1:2011, la CEI 60794-1-2:2013 et la CEI 60794-2:2002.

Optični kabli - 2-41. del: Kabli za notranjo uporabo - Specifikacija izdelka za vlakna A4 s simpleksnim in dupleksnim ojačevalnikom (IEC 60794-2-41:2008)

General Information

• Status: Published
• Publication Date: 14-Oct-2008
• ICS: 33.180.10 - Fibres and cables
• Technical Committee: iTEL - Communication cables
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 07-Oct-2008
• Due Date: 12-Dec-2008
• Completion Date: 15-Oct-2008
• Ref Project: EN 60794-2-41:2008 - Optical fibre cables - Part 2-41: Indoor cables - Product specification for simplex and duplex buffered A4 fibres

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 60794-2-41:2008
01-december-2008
2SWLþQLNDEOLGHO.DEOL]DQRWUDQMRXSRUDER6SHFLILNDFLMDL]GHOND]DYODNQD
$VVLPSOHNVQLPLQGXSOHNVQLPRMDþHYDOQLNRP,(&
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
SIST EN 60794-2-41:2008 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60794-2-41:2008

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SIST EN 60794-2-41:2008

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

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SIST EN 60794-2-41:2008
EN 60794-2-41:2008 - 2 -
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).
__________

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SIST EN 60794-2-41:2008
- 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.

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SIST EN 60794-2-41:2008

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SIST EN 60794-2-41:2008
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

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SIST EN 60794-2-41:2008
– 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

7
Figure 1 – Examples of buffered fibres.

7
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

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SIST EN 60794-2-41:2008
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 recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60794-2-41 has been prepared by sub-committee 86A: Fibres and
cables, of IEC technical committee 86: Fibre optics.
This standard is to be used in conjunction with IEC 60794-1-1 and IEC 60794-1-2, and
IEC 60794-2. A blank detail specification is provided in Annex A.
The text of this standard is based on the following documents:
FDIS Report on voting
86A/1215/FDIS 86A/1227/RVD

Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

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SIST EN 60794-2-41:2008
– 4 – 60794-2-41 © IEC:2008(E)
A list of all parts of the IEC 60794 series, published under the general title Optical fibre
cables, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.

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SIST EN 60794-2-41:2008
60794-2-41 © IEC:2008(E) – 5 –
OPTICAL FIBRE CABLES –

Part 2-41: Indoor cables –
Product specification for simplex and duplex buffered A4 fibres



1 Scope
This part of IEC 60794 covers simplex and duplex buffered A4a through A4g fibres for indoor
use. These may be cut into short lengths, which can be used in patchcord cable assemblies.
The requirements of sectional specification IEC 60794-2 are applicable to cables covered by
this standard.
2 Normative references
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.
IEC 60189-1, Low-frequency cables and wires with PVC insulation and PVC sheath – Part 1:
General test and measuring methods
IEC 60793-1-20, Optical fibres – Part 1-20: Measurement methods and test procedures –
Fibre geometry
IEC 60793-1-21, Optical fibres – Part 1-21: Measurement methods and test procedures –
Coating geometry
IEC 60793-1-46, Optical fibres – Part 1-46: Measurement methods and test procedures –
Monitoring of changes in optical transmittance
IEC 60793-1-50, Optical fibres – Part 1-50: Measurement methods and test procedures –
Damp heat (steady state)
IEC 60793-1-51, Optical fibres – Part 1-51: Measurement methods and test procedures – Dry
heat
IEC 60793-1-52, Optical fibres – Part 1-52: Measurement methods and test procedures –
Change of temperature
IEC 60793-2-40, Optical fibres – Part 2-40: Product specifications – Sectional specification for
category A4 multimode fibres
IEC 60794-1-1, Optical fibre cables – Part 1-1: Generic specification – General
IEC 60794-1-2, Optical fibre cables – Part 1-2: Generic specification – Basic optical cable test
procedures
IEC 60794-2:2002, Optical fibre cables – Part 2: Indoor cables – Sectional specification

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SIST EN 60794-2-41:2008
– 6 – 60794-2-41 © IEC:2008(E)
3 Construction
3.1 General
In addition to the constructional requirements in IEC 60794-2, the following considerations
apply to simplex and duplex buffered A4a through A4g fibres.
The buffered fibre shall be designed and manufactured for an expected operating lifetime of at
least 15 years. In this context, the attenuation of the installed cable at the operational
wavelength(s) shall not exceed values agreed between the customer and supplier. The
materials in the cable shall not present a health hazard within its intended use.
There shall be no fibre splice in a delivery length unless otherwise agreed by the customer
and supplier.
3.2 Optical fibres
Multimode Category A4a through A4g optical fibres shall be used that meet the requirements
of IEC 60793-2-40.
3.3 Buffer
The buffer shall consist of one or more layers of inert material. For tight buffers, the buffer
shall be easily removable in one operation over a length of 15 mm to 25 mm, depending on
customer requirements. For semi-tight buffers, the buffer shall be easily removable over a
length of 0,2 m to 2,0 m.
3.4 Strength and anti-buckling members
None.
3.5 Ripcord
None.
3.6 Sheath
None.
3.7 Marking
If required, the buffer shall be marked as agreed between the customer and supplier.
3.8 Identification
None.
3.9 Examples of constructions
Examples of buffered fibre constructions are shown in Figure 1.

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SIST EN 60794-2-41:2008
60794-2-41 © IEC:2008(E) – 7 –
Simplex Duplex
IEC  1025/08

Figure 1 – Examples of buffered fibres.
4 Dimensions
The fibre dimensions shall comply with IEC 60793-2-40.
Buffer dimensions are shown in Table 1.
Table 1 – Dimensions of buffered fibre
Nominal dimensions
Fibre type Tolerances
mm
A4a, A4b, A4d, A4e, Simplex 2,2 ± 0,1
A4f, A4g
Duplex 2,2 x 4,4 Minor axis: ± 0,1
Major axis: ± 0,2
A4c Simplex 1,5 ± 0,1
Duplex 1,5 x 3,0 Minor axis: ± 0,1
Major axis: ± 0,2
5 Tests
5.1 Gener
...