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SLOVENSKI STANDARD
01-november-2018
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Lichtwellenleiter - Verbindungselemente und passive Bauteile - Optische Schnittstellen
von Lichtwellenleiter-Steckverbindern – Teil 6-2: Verbindung von nicht abgeschrägten
Mehrmodenfasern mit 50 µm Kerndurchmesser mit physikalischem Kontakt zum Einsatz
in Referenz Steckverbinder Anwendungen bei einer Wellenlänge von 850nm unter
Verwendung von herkömmlichen biegeempfindlichen Fasern (IEC 61755-6-2:2018)
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Ta slovenski standard je istoveten z: EN IEC 61755-6-2:2018
ICS:
33.180.20 3RYH]RYDOQHQDSUDYH]D Fibre optic interconnecting
RSWLþQDYODNQD devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 61755-6-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2018
ICS 33.180.20
English Version
Fibre optic interconnecting devices and passive components -
Connector optical interfaces - Part 6-2: Connection of 50 µm
core diameter multimode physically contacting fibres - Non-
angled for reference connector application, at wavelength of 850
nm using selected A1a fibre only
(IEC 61755-6-2:2018)
Dispositifs d'interconnexion et composants passifs Lichtwellenleiter - Verbindungselemente und passive
fibroniques - Interfaces optiques de connecteurs - Partie 6- Bauteile - Optische Schnittstellen von Lichtwellenleiter-
2: Connexion de fibres multimodales en contact physique Steckverbindern - Teil 6-2: Verbindung von nicht
d'un diamètre de coeur de 50 µm - Connecteurs de abgeschrägten Mehrmodenfasern mit 50 µm
référence sans angle, à une longueur d'onde de 850 nm et Kerndurchmesser mit physikalischem Kontakt zum Einsatz
en utilisant uniquement les fibres A1a choisies in Referenz Steckverbinder Anwendungen bei einer
(IEC 61755-6-2:2018) Wellenlänge von 850nm unter Verwendung von
herkömmlichen biegeempfindlichen Fasern
(IEC 61755-6-2:2018)
This European Standard was approved by CENELEC on 2018-07-26. 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, Serbia, 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: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61755-6-2:2018 E
European foreword
The text of document 86B/4124/FDIS, future edition 1 of IEC 61755-6-2, prepared by SC 86B "Fibre
optic interconnecting devices and passive components" of IEC/TC 86 "Fibre optics" was submitted to
the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 61755-6-2:2018.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2019-04-26
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2021-07-26
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 61755-6-2:2018 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 61300-1 NOTE Harmonized as EN 61300-1
IEC 61300-3-42 NOTE Harmonized as EN 61300-3-42
IEC 61755-3 series NOTE Harmonized as EN 61755-3 series
IEC 62614 NOTE Harmonized as EN 62614
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 1 Where 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 60793-2-10 2015 Optical fibres - Part 2-10: Product EN 60793-2-10 2016
specifications - Sectional specification for
category A1 multimode fibres
IEC 61300-3-4 - Fibre optic interconnecting devices and EN 61300-3-4 -
passive components - Basic test and
measurement procedures -- Part 3-4:
Examinations and measurements -
Attenuation
IEC 61755-6-2
Edition 1.0 2018-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Fibre optic interconnecting devices and passive components – Connector
optical interfaces –
Part 6-2: Connection of 50 μm core diameter multimode physically contacting
fibres – Non-angled for reference connector application, at wavelength of
850 nm using selected A1a fibre only
Dispositifs d’interconnexion et composants passifs fibroniques – Interfaces
optiques de connecteurs –
Partie 6-2: Connexion de fibres multimodales en contact physique d’un diamètre
de cœur de 50 μm – Connecteurs de référence sans angle, à une longueur
d’onde de 850 nm et en utilisant uniquement les fibres A1a choisies
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.20 ISBN 978-2-8322-5718-0
– 2 – IEC 61755-6-2:2018 © IEC 2018
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Performance grade . 6
5 Description . 6
6 Criteria for a fit within the performance grade . 7
7 Use of selected fibre in reference-grade connectors . 8
8 Calculated attenuation of random mated grade 1 reference connectors . 8
9 Reference adapter . 9
10 Attenuation measurement uncertainty contribution . 9
Annex A (informative) Multimode attenuation measurement uncertainty contribution . 10
A.1 General . 10
A.2 Sources of variability. 10
A.2.1 Measurement condition and setup . 10
A.2.2 Geometry mismatch . 10
A.3 Overall uncertainty . 11
Bibliography . 12
Figure 1 – Geometrical requirements for fibre core location after termination relative to
the ferrule axis and the connector plug key . 8
Figure 2 – Calculated attenuation of random mated grade 1 reference connectors . 9
Figure A.1 – Attenuation measurement uncertainty contribution for grade 1 reference
connectors resulting from lateral offset, NA and CD mismatch . 10
Table 1 – Multimode attenuation grade at 850 nm . 6
Table 2 – Optical interface parameter values for 1,25 mm and 2,5 mm diameter PC
ferrules for MM reference connectors . 8
Table A.1 – Evaluation of the uncertainty contribution due to measurement conditions . 11
IEC 61755-6-2:2018 © IEC 2018 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING
DEVICES AND PASSIVE COMPONENTS –
CONNECTOR OPTICAL INTERFACES –
Part 6-2: Connection of 50 μm core
diameter multimode physically contacting fibres –
Non-angled for reference connector application,
at wavelength of 850 nm using selected A1a fibre only
FOREWORD
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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
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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
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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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