SIST EN 60793-2-30:2016

Optical fibres - Part 2-30: Product specifications - Sectional specification for category A3 multimode fibres (IEC 60793-2-30:2015)

This part of IEC 60793-2 is applicable to sub-categories A3a, A3b, A3c, A3d, A3e, A3f and
A3g. These fibres are used or can be incorporated in different information transmission
equipment, other applications employing similar light transmitting techniques as well as fibre
optic cables.
Three types of requirements apply to these fibres:
• general requirements, as defined in IEC 60793-2;
• specific requirements common to the category A3 multimode fibres covered in this
standard and which are given in Clause 3;
• particular requirements applicable to the individual sub-categories or specific applications
(e.g. automotive or industrial applications), which are defined in the normative subcategory
annexes.

Lichtwellenleiter - Teil 2-30: Produktspezifikationen - Rahmenspezifikation für Mehrmodenfasern der Kategorie A3 (IEC 60793-2-30:2015)

Fibres optiques - Partie 2-30: Spécifications de produits - Spécification intermédiaire pour les fibres multimodales de catégorie A3 (IEC 60793-2-30:2015)

IEC 60793-2-30:2015 est applicable aux sous-catégories A3a, A3b, A3c, A3d, A3e, A3f et A3g. Ces fibres sont utilisées ou peuvent être intégrées dans différents équipements destinés à la transmission de l'information, d'autres applications employant des techniques de transmission lumineuse analogues, ainsi que les câbles à fibres optiques. Trois types d’exigences s’appliquent à ces fibres:
- les exigences générales, conformément à l’IEC60793-2;
- les exigences spécifiques communes aux fibres multimodes de catégorie A3, couvertes par la présente norme, et qui sont données à l'Article 3;
- les exigences particulières applicables à des sous-catégories particulières ou à des applications spécifiques (par exemple, des applications automobiles ou industrielles), qui sont définies dans les annexes normatives relatives aux sous-catégories.
Cette quatrième édition annule et remplace la troisième édition parue en 2012 et constitue une révision technique. La présente édition inclut les modifications techniques majeures suivantes par rapport à l’édition précédente:
- Ajouts de précisions relatives à la longueur du spécimen d'essai, au diamètre de cœur et aux mesurages NAff.
- Ajout de deux nouvelles sous-catégories
- NAth est remplacé par NAff

Optična vlakna - 2-30. del: Specifikacije izdelka - Področna specifikacija za večrodna vlakna kategorije A3 (IEC 60793-2-30:2015)

Ta del standarda IEC 60793-2 se uporablja za podkategorije A3a, A3b, A3c, A3d, A3e, A3f in A3g. Ta vlakna se uporabljajo ali jih je mogoče vgraditi v različne vrste opreme za prenos informacij, druge naprave, ki uporabljajo podobne tehnike prenosa svetlobe, in optične kable.
Za ta vlakna veljajo tri vrste zahtev:
• splošne zahteve, kot so opredeljene v standardu IEC 60793-2;
• posebne zahteve, ki so skupne večrodnim vlaknom kategorije A3 iz tega standarda in so navedene v točki 3;
• posebne zahteve, ki veljajo za posamezne podkategorije ali posebne vrste uporabe (npr. avtomobilska ali industrijska uporaba) in so opredeljene v normativnih dodatkih o podkategorijah.

General Information

• Status: Published
• Publication Date: 20-Jan-2016
• ICS: 33.180.10 - Fibres and cables
• Technical Committee: MOC - Mobile Communications
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 18-Dec-2015
• Due Date: 22-Feb-2016
• Completion Date: 21-Jan-2016
• Ref Project: EN 60793-2-30:2015 - Optical fibres - Part 2-30: Product specifications - Sectional specification for category A3 multimode fibres

Relations

• Revised: SIST EN 60793-2-30:2013 - Optical fibres - Part 2-30: Product specifications - Sectional specification for category A3 multimode fibres (IEC 60793-2-30:2012)
• Effective Date: 12-Jun-2014
• Replaces: SIST EN 60793-2-30:2013 - Optical fibres - Part 2-30: Product specifications - Sectional specification for category A3 multimode fibres (IEC 60793-2-30:2012)
• Effective Date: 20-Oct-2015

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 60793-2-30:2016
01-april-2016
1DGRPHãþD
SIST EN 60793-2-30:2013
2SWLþQDYODNQDGHO6SHFLILNDFLMHL]GHOND3RGURþQDVSHFLILNDFLMD]D
YHþURGQDYODNQDNDWHJRULMH$,(&
Optical fibres - Part 2-30: Product specifications - Sectional specification for category A3
multimode fibres (IEC 60793-2-30:2015)
Lichtwellenleiter - Teil 2-30: Produktspezifikationen - Rahmenspezifikation für
Mehrmodenfasern der Kategorie A3 (IEC 60793-2-30:2015)
Fibres optiques - Partie 2-30: Spécifications de produits - Spécification intermédiaire
pour les fibres multimodales de catégorie A3 (IEC 60793-2-30:2015)
Ta slovenski standard je istoveten z: EN 60793-2-30:2015
ICS:
33.180.10 2SWLþQDYODNQDLQNDEOL Fibres and cables
SIST EN 60793-2-30:2016 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60793-2-30:2016

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SIST EN 60793-2-30:2016


EUROPEAN STANDARD EN 60793-2-30

NORME EUROPÉENNE

EUROPÄISCHE NORM
October 2015
ICS 33.180.10 Supersedes EN 60793-2-30:2013
English Version
Optical fibres - Part 2-30: Product specifications - Sectional
specification for category A3 multimode fibres
(IEC 60793-2-30:2015)
Fibres optiques - Partie 2-30: Spécifications de produits - Lichtwellenleiter - Teil 2-30: Produktspezifikationen -
Spécification intermédiaire pour les fibres multimodales de Rahmenspezifikation für Mehrmodenfasern der Kategorie
catégorie A3 A3
(IEC 60793-2-30:2015) (IEC 60793-2-30:2015)
This European Standard was approved by CENELEC on 2015-07-30. 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 CEN-CENELEC
Management Centre 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 CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 60793-2-30:2015 E

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SIST EN 60793-2-30:2016
EN 60793-2-30:2015
European foreword
The text of document 86A/1661/FDIS, future edition 4 of IEC 60793-2-30, prepared by SC 86A "Fibres
and cables" of IEC/TC 86 "Fibre optics" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN 60793-2-30:2015.

The following dates are fixed:
(dop) 2016-04-30
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2018-07-30
standards conflicting with the
document have to be withdrawn

This document supersedes EN 60793-2-30:2013.

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.

Endorsement notice
The text of the International Standard IEC 60793-2-30:2015 was approved by CENELEC as a
European Standard without any modification.
2

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SIST EN 60793-2-30:2016
EN 60793-2-30:2015

Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year

IEC 60793-1-20 -  Optical fibres - Part 1-20: Measurement EN 60793-1-20 -
methods and test procedures - Fibre
geometry
IEC 60793-1-21 -  Optical fibres -- Part 1-21: Measurement EN 60793-1-21 -
methods and test procedures - Coating
geometry
IEC 60793-1-22 -  Optical fibres -- Part 1-22: Measurement EN 60793-1-22 -
methods and test procedures - Length
measurement
IEC 60793-1-30 -  Optical fibres -- Part 1-30: Measurement EN 60793-1-30 -
methods and test procedures - Fibre proof
test
IEC 60793-1-31 -  Optical fibres -- Part 1-31: Measurement EN 60793-1-31 -
methods and test procedures - Tensile
strength
IEC 60793-1-40 -  Optical fibres -- Part 1-40: Measurement EN 60793-1-40 -
methods and test procedures - Attenuation
IEC 60793-1-41 -  Optical fibres -- Part 1-41: Measurement EN 60793-1-41 -
methods and test procedures - Bandwidth
IEC 60793-1-43 -  Optical fibres -- Part 1-43: Measurement EN 60793-1-43 -
methods - Numerical aperture
measurement
IEC 60793-1-46 -  Optical fibres -- Part 1-46: Measurement EN 60793-1-46 -
methods and test procedures - Monitoring
of changes in optical transmittance
IEC 60793-1-50 -  Optical fibres -Part 1-50: Measurement EN 60793-1-50 -
methods - Damp heat (steady state) tests
IEC 60793-1-51 -  Optical fibres - Part 1-51: Measurement EN 60793-1-51 -
methods and test procedures - Dry heat
(steady state) tests
IEC 60793-1-52 -  Optical fibres - Part 1-52: Measurement EN 60793-1-52 -
methods and test procedures - Change of
temperature tests
IEC 60793-2 -  Optical fibres -- Part 2: Product EN 60793-2 -
specifications - General
IEC/TR 62048 2014 Optical fibres - Reliability - Power law - -
theory

3

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SIST EN 60793-2-30:2016

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SIST EN 60793-2-30:2016




IEC 60793-2-30

®


Edition 4.0 2015-06




INTERNATIONAL



STANDARD









colour

inside










Optical fibres –

Part 2-30: Product specifications – Sectional specification for category A3

multimode fibres


























INTERNATIONAL

ELECTROTECHNICAL


COMMISSION





ICS 33.180.10 ISBN 978-2-8322-2772-5



  Warning! Make sure that you obtained this publication from an authorized distributor.


® Registered trademark of the International Electrotechnical Commission

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SIST EN 60793-2-30:2016
– 2 – IEC 60793-2-30:2015 © IEC 2015
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references. 6
3 Specifications . 7
3.1 General . 7
3.2 Dimensional requirements . 7
3.3 Mechanical requirements . 8
3.4 Transmission requirements . 8
3.5 Environmental requirements . 9
Annex A (normative) Specifications for sub-category A3a multimode fibres . 10
A.1 General . 10
A.2 Dimensional requirements . 10
A.3 Mechanical requirements . 10
A.4 Transmission requirements . 10
A.5 Environmental requirements . 11
Annex B (normative) Specifications for sub-category A3b multimode fibres . 12
B.1 General . 12
B.2 Dimensional requirements . 12
B.3 Mechanical requirements . 12
B.4 Transmission requirements . 12
B.5 Environmental requirements . 13
Annex C (normative) Specifications for sub-category A3c multimode fibres . 14
C.1 General . 14
C.2 Dimensional requirements . 14
C.3 Mechanical requirements . 14
C.4 Transmission requirements . 14
C.5 Environmental requirements . 15
Annex D (normative) Specifications for sub-category A3d multimode fibres . 17
D.1 General . 17
D.2 Dimensional requirements . 17
D.3 Mechanical requirements . 17
D.4 Transmission requirements . 17
D.5 Environmental requirements . 18
Annex E (normative) Specifications for sub-category A3e multimode fibres . 20
E.1 General . 20
E.2 Dimensional requirements . 20
E.3 Mechanical requirements . 20
E.4 Transmission requirements . 20
E.5 Environmental requirements . 21
Annex F (normative) Specifications for sub-category A3f multimode fibres . 23
F.1 General . 23
F.2 Dimensional requirements . 23
F.3 Mechanical requirements . 23
F.4 Transmission requirements . 23
F.5 Environmental requirements . 24
Annex G (normative) Specifications for sub-category A3g multimode fibres . 26

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SIST EN 60793-2-30:2016
IEC 60793-2-30:2015 © IEC 2015 – 3 –
G.1 General . 26
G.2 Dimensional requirements . 26
G.3 Mechanical requirements . 26
G.4 Transmission requirements . 26
G.5 Environmental requirements . 27

Table 1 – Relevant dimensional attributes and measurement methods . 7
Table 2 – Dimensional requirements common to all category A3 fibres . 8
Table 3 – Additional dimensional attributes required for each sub-category . 8
Table 4 – Relevant mechanical attributes and test methods . 8
Table 5 – Mechanical requirements to be specified for each sub-category . 8
Table 6 – Relevant transmission attributes and measurement methods . 9
Table 7 – Additional transmission attributes required for each sub-category . 9
Table 8 – Relevant environmental attributes and test methods . 9
Table A.1 – Dimensional requirements specific to A3a fibres . 10
Table A.2 – Mechanical requirements specific to A3a fibres . 10
Table A.3 – Transmission requirements specific to A3a fibres . 11
Table B.1 – Dimensional requirements specific to A3b fibres . 12
Table B.2 – Mechanical requirements specific to A3b fibres . 12
Table B.3 –Transmission requirements specific to A3b fibres . 13
Table C.1 – Dimensional requirements specific to A3c fibres . 14
Table C.2 – Mechanical requirements specific to A3c fibres . 14
Table C.3 –Transmission requirements specific to A3c fibres . 15
Table C.4 – Environmental exposure tests . 15
Table C.5 – Attributes measured . 16
Table D.1 – Dimensional requirements specific to A3d fibres . 17
Table D.2 – Mechanical requirements specific to A3d fibres . 17
Table D.3 – Transmission requirements specific to A3d fibres . 18
Table D.4 – Environmental exposure tests . 18
Table D.5 – Attributes measured . 19
Table E.1 – Dimensional requirements specific to A3e fibres . 20
Table E.2 – Mechanical requirements specific to A3e fibres . 20
Table E.3 – Transmission requirements specific to A3e fibres . 21
Table E.4 – Environmental exposure tests . 21
Table E.5 – Attributes measured . 22
Table F.1 – Dimensional requirements specific to A3f fibres . 23
Table F.2 – Mechanical requirements specific to A3f fibres . 23
Table F.3 – Transmission requirements specific to A3f fibres . 24
Table F.4 – Environmental exposure tests . 24
Table F.5 – Attributes measured . 25
Table G.1 – Dimensional requirements specific to A3g fibres . 26
Table G.2 – Mechanical requirements specific to A3g fibres . 26
Table G.3 – Transmission requirements specific to A3g fibres . 27
Table G.4 – Environmental exposure tests . 27
Table G.5 – Attributes measured . 28

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SIST EN 60793-2-30:2016
– 4 – IEC 60793-2-30:2015 © IEC 2015
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

OPTICAL FIBRES –

Part 2-30: Product specifications –
Sectional specification for category A3 multimode 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 itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
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 60793-2-30 has been prepared by subcommittee 86A: Fibres and
cables, of IEC technical committee 86: Fibre optics.
This fourth edition cancels and replaces the third edition published in 2012 and constitutes a
technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
– specified test specimen length and measurement details for core diameter and NA
ff
measurements have been added.
– two new sub-categories have been added
– NA is replaced by NA
th ff

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SIST EN 60793-2-30:2016
IEC 60793-2-30:2015 © IEC 2015 – 5 –
The text of this standard is based on the following documents:
FDIS Report on voting
86A/1661/FDIS 86A/1662/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.
A list of all parts of the IEC 60793 series can be found, under the general title Optical fibres,
on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability 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.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.

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SIST EN 60793-2-30:2016
– 6 – IEC 60793-2-30:2015 © IEC 2015
OPTICAL FIBRES –

Part 2-30: Product specifications –
Sectional specification for category A3 multimode fibres



1 Scope
This part of IEC 60793-2 is applicable to sub-categories A3a, A3b, A3c, A3d, A3e, A3f and
A3g. These fibres are used or can be incorporated in different information transmission
equipment, other applications employing similar light transmitting techniques as well as fibre
optic cables.
Three types of requirements apply to these fibres:
• general requirements, as defined in IEC 60793-2;
• specific requirements common to the category A3 multimode fibres covered in this
standard and which are given in Clause 3;
• particular requirements applicable to the individual sub-categories or specific applications
(e.g. automotive or industrial applications), which are defined in the normative sub-
category annexes.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and
are indispensable for its application. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any
amendments) applies.
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 60793-1-22, Optical fibres – Part 1-22: Measurement methods and test procedures –
Length measurement
IEC 60793-1-30, Optical fibres – Part 1-30: Measurement methods and test procedures –
Fibre proof test
IEC 60793-1-31, Optical fibres – Part 1-31: Measurement methods and test procedures –
Tensile strength
IEC 60793-1-40, Optical fibres – Part 1-40: Measurement methods and test procedures –
Attenuation
IEC 60793-1-41, Optical fibres – Part 1-41: Measurement methods and test procedures –
Bandwidth
IEC 60793-1-43, Optical fibres – Part 1-43: Measurement methods and test procedures –
Numerical aperture

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SIST EN 60793-2-30:2016
IEC 60793-2-30:2015 © IEC 2015 – 7 –
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) tests
IEC 60793-1-51, Optical fibres – Part 1-51: Measurement methods and test procedures – Dry
heat (steady state) tests
IEC 60793-1-52, Optical fibres – Part 1-52: Measurement methods and test procedures –
Change of temperature tests
IEC 60793-2, Optical fibres –Part 2: Product specifications – General
IEC TR 62048:2014, Optical fibres – Reliability – Power law theory
3 Specifications
3.1 General
The fibre shall consist of a glass core and a plastic cladding in accordance with the definition
in IEC 60793-2. For sub-categories A3f and A3g, a glass inner cladding between core and
cladding is present.
3.2 Dimensional requirements
Relevant dimensional attributes and measurement methods are given in Table 1.
Dimensional requirements common to all sub-categories are indicated in Table 2.
Table 3 lists additional dimensional attributes that shall be specified for each sub-category.
Table 1 – Relevant dimensional attributes and measurement methods
Attributes Measurement methods
a
Core diameter  IEC 60793-1-20
Core non-circularity IEC 60793-1-20

b
Inner glass cladding IEC 60793-1-20
Cladding diameter IEC 60793-1-20
Core-cladding concentricity error IEC 60793-1-20
Coating diameter IEC 60793-1-21
Fibre length IEC 60793-1-22
a
Core diameter is specified at 850 nm ± 10 nm with a test specimen length of
2,0 m ± 0,2 m and a threshold value k which is defined in each sub-
CORE
category (see IEC 60793-1-20:2001, Method B).
b
Only relevant for sub-categories A3f and A3g

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SIST EN 60793-2-30:2016
– 8 – IEC 60793-2-30:2015 © IEC 2015
Table 2 – Dimensional requirements common to all category A3 fibres
Attributes Unit Limits
a
Fibre length km
a
  Length requirements vary and should be agreed between supplier and customer.
Table 3 – Additional dimensional attributes required for each sub-category
Attributes
Core diameter
Core non-circularity

a
Inner glass cladding
Cladding diameter
Core-cladding concentricity error
Coating diameter
a
 Only relevant for sub-categories A3f and A3g

3.3 Mechanical requirements
Relevant mechanical attributes and test methods are given in Table 4.
Requirements to be specified for each sub-category are listed in Table 5.
Table 4 – Relevant mechanical attributes and test methods
Attributes Test methods
Tensile strength IEC 60793-1-31
(0,5 m specimen length)
Strain rate 3 %/min to
5 %/min
Proof test IEC 60793-1-30

Table 5 – Mechanical requirements to be specified for each sub-category
Attribute Unit
Proof stress level GPa

3.4 Transmission requirements
Relevant transmission attributes and measurement methods are given in Table 6.
Additional attributes required in the sub-categories are listed in Table 7.

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SIST EN 60793-2-30:2016
IEC 60793-2-30:2015 © IEC 2015 – 9 –
Table 6 – Relevant transmission attributes and measurement methods
Attributes Measurement methods
a
Attenuation coefficient IEC 60793-1-40
a
Modal bandwidth IEC 60793-1-41

a,b
Numerical aperture (NA ) IEC 60793-1-43
ff
Change of optical transmission IEC 60793-1-46
a
When measuring attenuation, modal bandwidth and numerical aperture, the appropriate launching conditions
should be applied as specified in the corresponding measurement methods (IEC 60793-1-40,
IEC 60793-1-41 and IEC 60793-1-43).
b
Numerical aperture (NA ) is specified at 850 nm with a test specimen length of 2,0 m ± 0,2 m, and a
ff
threshold value, k defined in each sub-category.
NA

Table 7 – Additional transmission attributes required for each sub-category
Attributes
Attenuation coefficient
Modal bandwidth
Numerical aperture

3.5 Environmental requirements
Relevant
...