IEC 61753-1:2018

Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General and guidance

IEC 61753-1:2018 provides guidance for the drafting of performance standards for all passive fibre optic products. This document defines the tests and severities which form the performance categories or general operating service environments and identifies those tests which are considered to be product specific. Test and severity details are given in Annex A. This second edition cancels and replaces the first edition published in 2007. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) definitions updated with new products: wall outlets, wall or pole mounted boxes, splices, ODF modules, street cabinets, hardened connectors and field mountable connectors;
b) categories U and O are replaced by categories OP and OP+. No mandatory sequence in category OP+. Category OP+ contains the tests from category OP with the addition of only 4 other tests;
c) addition of Category I (Industrial);
d) temperature ranges added (with the HD suffix to the categories C, OP, OP+ and I) in case passive optical components are placed in a housing together with active electronics (HD stands for “heat dissipation”);
e) the height of category A changed from 3 m to ground level (0 m);
f) the lower level height of category G environment changed from ground level (0 m) to –1 m below ground level. Upper level remains at 3 m above ground level;
g) addition of performance tests, test severities and performance criteria for new products: Wall outlet, wall or pole mounted boxes, mechanical splices, fusion splice protectors, ODF modules, street cabinets, field mountable connectors and hardened optical connectors;
h) test severity of "Mating durability" test for connectors in categories C, OP ,OP+ and I is reduced to 200 cycles for connectors with cylindrical ferrules and 50 cycles for connectors with rectangular ferrules;
i) test severity of "Change of temperature" test for connectors and passive optical components in category I is reduced from 20 cycles to 12 cycles (harmonized with connectors and components from other categories);
j) test severity of "Flexing of strain relief" test for connectors in categories C, OP and OP+ is reduced to 50 cycles;
k) test severities of "Assembly and disassembly of fibre optic mechanical splices, fibre management systems and closures" test for all enclosures is reduced to 5 cycles;
l) test severities of "Change of temperature" test for all protective housings in categories C, A, G and S is reduced from 20 cycles to 12 cycles (harmonized with connectors and components);
m) test severities of "Resistance to solvents and contaminating fluids" test for closures in categories G and S changed – kerosene is removed, diesel oil exposure reduced to 1 h immersion and 24 h drying at room temperature;
n) sealing performance criteria of sealed closures for categories G and A are reduced to 20 kPa overpressure.
o) the change in attenuation criterion for connectors has changed from peak-to-peak into a +/- deviation from the original value of the transmitted power at the start of the test (harmonized with the change in attenuation criterion for components, splices and protective housings).
Keywords: performance standards for all passive fibre optic products
The contents of the corrigendum of May 2019 have been included in this copy.

Dispositifs d'interconnexion et composants passifs fibroniques - Norme de performance - Partie 1 : Généralités et recommandations

L'IEC 61753-1:2018 fournit des recommandations pour la rédaction de normes de qualité de fonctionnement applicables à tous les produits passifs fibroniques. Le présent document définit les essais et les sévérités qui constituent les catégories de qualité de fonctionnement ou les environnements de service ou de fonctionnement général et elle identifie les essais qui sont considérés comme spécifiques à un produit. Les informations détaillées concernant les essais et les sévérités sont données à l’Annexe A. Cette deuxième édition annule et remplace la première édition parue en 2007. Elle constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l’édition précédente:
a) définitions mises à jour avec de nouveaux produits: prises murales, coffrets à montage mural ou sur poteau, épissures, modules ODF, armoires d’environnement urbain, connecteurs renforcés et connexions montables sur le terrain;
b) les catégories U et O ont été remplacées par les catégories OP et OP+. Pas de séquence obligatoire dans la catégorie OP+. La catégorie OP+ contient les essais de la catégorie OP avec l’ajout de seulement 4 autres essais;
c) ajout de la catégorie I (industriel);
d) ajout des plages de température (avec le suffixe HD aux catégories C, OP, OP+ et I) au cas où des composants optiques passifs sont placés dans un boîtier avec des composants électroniques actifs (HD signifie Heat Dissipation, dissipation thermique);
e) la hauteur de la catégorie A a été modifiée de 3 m au niveau du sol (0 m);
f) la hauteur du niveau inférieur de l’environnement de catégorie G a été modifiée du niveau du sol (0 m) à –1 m en dessous du niveau du sol. Le niveau supérieur reste à 3 m au-dessus du niveau du sol;
g) ajout d’essais de performance, de sévérités d’essai et de critères de qualité de fonctionnement pour de nouveaux produits: prises murales, coffrets à montage mural ou sur poteau, épissures mécaniques, protecteurs d’épissures par fusion, modules ODF, armoires d’environnement urbain, connexions montables sur le terrain et connecteurs optiques renforcés;
h) la sévérité de l’essai «Durabilité de l’accouplement» pour les connecteurs des catégories C, OP, OP+ et I a été ramenée à 200 cycles pour les connecteurs avec férules cylindriques et à 50 cycles pour les connecteurs avec férules rectangulaires;
i) la sévérité de l’essai «Variations de température» pour les connecteurs et les composants optiques passifs de la catégorie I a été ramenée de 20 cycles à 12 cycles (harmonisée avec les connecteurs et les composants d’autres catégories);
j) la sévérité de l’essai «Flexion du serre-câble» pour les connecteurs des catégories C, OP et OP+ a été ramenée à 50 cycles;
k) les sévérités de l’essai «Montage et démontage des épissures mécaniques fibroniques, des systèmes de gestion des fibres et des boîtiers» pour tous les boîtiers ont été ramenées à 5 cycles;
l) les sévérités de l’essai «Variations de température» pour tous les boîtiers de protection des catégories C, A, G et S ont été ramenées de 20 cycles à 12 cycles (harmonisées avec les connecteurs et les composants);
m) les sévérités de l’essai «Résistance aux solvants et aux fluides contaminants» pour les boîtiers des catégories G et S ont été modifiées: le kérosène a été supprimé, l’exposition au gasoil a été ramenée à 1 h d’immersion et à 24 h de séchage à température ambiante;
n) les critères de performance d’étanchéité des boîtiers étanches pour les catégories G et A ont été ramenés à une surpression de 20 kPa;
o) le critère de variations de l’affaiblissement pour les connecteurs a été modifié de crête-à-crête à une divergence +/- par rapport à la valeur d’origine de la puissance transmise au début de l’essai (harmonisée avec les critères de variations de l’affaiblissement pour les composants, épissures et boîtiers de protection).
Mots-clés: normes de qualité de fonctionnement applicables à tous les produits passifs fibroniques
Le contenu

General Information

• Status: Published
• Publication Date: 14-Aug-2018
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 33.180.20 - Fibre optic interconnecting devices
• Technical Committee: SC 86B - Fibre optic interconnecting devices and passive components
• Current Stage: PPUB - Publication issued
• Start Date: 10-Aug-2018
• Completion Date: 15-Aug-2018

Relations

• Amended By: IEC 61753-1:2018/AMD1:2020 - Amendment 1 - Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General and guidance
• Effective Date: 05-Sep-2023
• Corrected By: IEC 61753-1:2018/COR1:2019 - Corrigendum 1 - Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General and guidance
• Effective Date: 05-Sep-2023
• Revises: IEC 61753-1:2007 - Fibre optic interconnecting devices and passive components performance standard - Part 1: General and guidance for performance standards
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 61753-1 ®
Edition 2.0 2018-08
REDLINE VERSION
INTERNATIONAL
STANDARD
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Fibre optic interconnecting devices and passive components – Performance
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Part 1: General and guidance for performance standards

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Fibre optic interconnecting devices and passive components – Performance

standard –
Part 1: General and guidance for performance standards

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.180.20 ISBN 978-2-8322-5970-2

– 2 – IEC 61753-1:2018 RLV © IEC 2018
CONTENTS
FOREWORD . 5
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 12
4 Abbreviations . 15
5 Preparation of a performance standard . 16
5.1 Performance standard title . 16
5.2 Tests . 16
5.3 Details . 16
5.4 Requirements . 16
5.5 Sample size . 16
5.6 Sample definition . 16
5.7 Groupings/sequences . 17
5.8 Pass/fail criteria . 17
5.9 Reference product definition . 17
5.10 Performance standard test report . 17
6 Environmental aspects . 17
Annex A (normative) Tests, severities and criteria for performance standards . 18
A.1 Introduction General . 18
A.2 How to find the performance tests for each the desired category? . 24
A.3 Performance requirements criteria . 64
Annex B (informative normative) Performance standard numbering . 83
Annex (informative) Test sequencing for category O .
Annex (informative) Mixing of products with different performance category .
Annex (informative) Minimum temperature value in Finland .
Bibliography . 86

Figure 1 – Relationship between various protective housing types . 15
Figure A.1 – Flow chart to identify the relevant category for the operating service
environment . 40

Table – Connectors and passive components – Category U – Uncontrolled
environment .
Table – Passive components – Category O – Uncontrolled environment .
Table – Connectors – Category O – Uncontrolled environment .
Table – Connectors and passive components – Category E – Extreme environment .
Table – Fibre management systems – Category C – Controlled environment .
Table – Fibre management systems – Category U – Uncontrolled environment .
Table – Closures – Category C – Controlled environment .
Table – Closures – Category A – Aerial environment .
Table – Closures – Category G – Ground environment .
Table – Closures – Category S – Subterranean environment .

Table – Connectors .
Table – Closures .
Table – Test sequence for passive optical components category O .
Table – Test sequence connectors category O .
Table A.1 – General Operating service environments and performance categories . 20
Table A.2 – Operating service environments and performance categories for
components in locations with additional heat dissipation by active electronics . 23
Table A.3 – Connectors, passive components, mechanical splices, fusion splice
protectors and fibre management systems – Category C – Indoor controlled
environment . 41
Table A.4 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category C –
Indoor controlled environment with additional heat dissipation . 43
Table A.5 – Connectors, field mountable connectors, passive components, mechanical
splices, fusion splice protectors and fibre management systems – Category OP –
Outdoor protected environment . 44
Table A.6 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category OP –
Outdoor protected environment with additional heat dissipation . 46
Table A.7 – Connectors, field mountable connectors, passive components, mechanical
splices, fusion splice protectors and fibre management systems – Category OP+ –
Extended outdoor protected environment . 47
Table A.8 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category OP+ –
Extended outdoor protected environment with additional heat dissipation . 47
Table A.9 – Connectors, passive optical components – Category I – Industrial
environment . 48
HD
Table A.10 – Connectors, passive optical components – Category I – Industrial
environment with additional heat dissipation . 50
Table A.11 – Connectors and passive optical components – Category E – Extreme
environment . 51
Table A.12 – Wall outlets, boxes, optical distribution frame modules and closures –
Category C – Indoor controlled environment . 53
Table A.13 – Hardened optical connectors, street cabinets, boxes and closures
Category A – Outdoor aerial environment . 55
Table A.14 – Hardened optical connectors and closures – Category G – Outdoor
ground environment . 58
Table A.15 – Hardened optical connectors and closures – Category S – Outdoor
subterranean environment . 61
Table A.16 – Single mode connectors . 66
Table A.17 – Single mode field mountable connectors . 67
Table A.18 – Multi mode connectors . 68
Table A.19 – Single mode mechanical splices . 69
Table A.20 – Multi mode mechanical splices . 70
Table A.21 – Single mode fusion splice protectors . 70
Table A.22 – Passive optical components . 71
Table A.23 – Fibre management systems . 72
Table A.24 – Category C – Wall outlets and boxes . 73
Table A.25 – Category C – Optical distribution frame modules (OFDM) . 74

– 4 – IEC 61753-1:2018 RLV © IEC 2018
Table A.26 – Category A, single mode boxes, street cabinets and free breathing
closures . 75
Table A.27 – Category C, A, G and S single mode sealed closures . 76
Table A.28 – Category A, G and S single mode hardened fibre optic connectors . 77

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING DEVICES AND
PASSIVE COMPONENTS – PERFORMANCE STANDARD –

Part 1: General and guidance for performance standards

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
...

IEC 61753-1 ®
Edition 2.1 2020-06
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
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inside
Fibre optic interconnecting devices and passive components – Performance
standard –
Part 1: General and guidance
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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standard –
Part 1: General and guidance
INTERNATIONAL
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ICS 33.180.20 ISBN 978-2-8322-8581-7

IEC 61753-1 ®
Edition 2.1 2020-06
REDLINE VERSION
colour
inside
Fibre optic interconnecting devices and passive components – Performance
standard –
Part 1: General and guidance
– 2 – IEC 61753-1:2018+AMD1:2020 CSV
© IEC 2020
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 10
4 Abbreviations . 14
5 Preparation of a performance standard . 14
5.1 Performance standard title . 14
5.2 Tests . 14
5.3 Details . 14
5.4 Requirements . 14
5.5 Sample size . 14
5.6 Sample definition . 14
5.7 Groupings/sequences . 15
5.8 Pass/fail criteria . 15
5.9 Reference product definition . 15
5.10 Performance standard test report . 15
6 Environmental aspects . 15
Annex A (normative) Tests, severities and criteria for performance standards . 16
A.1 General . 16
A.2 How to find the performance tests for the desired category? . 20
A.3 Performance criteria . 45
Annex B (normative) Performance standard numbering. 58
Bibliography . 59

Figure 1 – Relationship between various protective housing types . 13
Figure A.1 – Flow chart to identify the relevant category for the operating service
environment . 21

Table A.1 – Operating service environments and performance categories . 18
Table A.2 – Operating service environments and performance categories for
components in locations with additional heat dissipation by active electronics . 20
Table A.3 – Connectors, passive components, mechanical splices, fusion splice
protectors and fibre management systems – Category C – Indoor controlled
environment . 22
Table A.4 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category C –
Indoor controlled environment with additional heat dissipation . 24
Table A.5 – Connectors, field mountable connectors, passive components, mechanical
splices, fusion splice protectors and fibre management systems – Category OP –
Outdoor protected environment . 25
Table A.6 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category OP –
Outdoor protected environment with additional heat dissipation . 27

© IEC 2020
Table A.7 – Connectors, field mountable connectors, passive components, mechanical
splices, fusion splice protectors and fibre management systems – Category OP+ –
Extended outdoor protected environment . 28
Table A.8 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category OP+ –
Extended outdoor protected environment with additional heat dissipation . 28
Table A.9 – Connectors, passive optical components – Category I – Industrial
environment . 29
HD
Table A.10 – Connectors, passive optical components – Category I – Industrial
environment with additional heat dissipation . 31
Table A.11 – Connectors and passive optical components – Category E – Extreme
environment . 32
Table A.12 – Wall outlets, boxes, optical distribution frame modules and closures –
Category C – Indoor controlled environment . 34
Table A.13 – Hardened optical connectors, street cabinets, boxes and closures
Category A – Outdoor aerial environment . 36
Table A.14 – Hardened optical connectors and closures – Category G – Outdoor
ground environment . 39
Table A.15 – Hardened optical connectors and closures – Category S – Outdoor
subterranean environment . 42
Table A.16 – Single mode connectors . 45
Table A.17 – Single mode field mountable connectors . 46
Table A.18 – Multi mode connectors . 47
Table A.19 – Single mode mechanical splices . 48
Table A.20 – Multi mode mechanical splices . 49
Table A.21 – Single mode fusion splice protectors . 49
Table A.22 – Passive optical components . 50
Table A.23 – Fibre management systems . 51
Table A.24 – Category C – Wall outlets and boxes . 52
Table A.25 – Category C – Optical distribution frame modules (OFDM) . 53
Table A.26 – Category A, single mode boxes, street cabinets and free breathing
closures . 54
Table A.27 – Category C, A, G and S single mode sealed closures . 55
Table A.28 – Category A, G and S single mode hardened fibre optic connectors . 56

– 4 – IEC 61753-1:2018+AMD1:2020 CSV
© IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING DEVICES AND
PASSIVE COMPONENTS – PERFORMANCE STANDARD –

Part 1: General and guidance
FOREWORD
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services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this
...

IEC 61753-1 ®
Edition 2.0 2018-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
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Fibre optic interconnecting devices and passive components – Performance
standard –
Part 1: General and guidance
Dispositifs d'interconnexion et composants passifs fibroniques – Norme de
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Partie 1: Généralités et recommandations

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IEC 61753-1 ®
Edition 2.0 2018-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Fibre optic interconnecting devices and passive components – Performance

standard –
Part 1: General and guidance
Dispositifs d'interconnexion et composants passifs fibroniques – Norme de

performance –
Partie 1: Généralités et recommandations

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.20 ISBN 978-2-8322-5923-8

– 2 – IEC 61753-1:2018 © IEC 2018
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 8
2 Normative references. 8
3 Terms and definitions . 10
4 Abbreviations . 14
5 Preparation of a performance standard . 14
5.1 Performance standard title . 14
5.2 Tests . 14
5.3 Details . 14
5.4 Requirements . 14
5.5 Sample size . 14
5.6 Sample definition . 14
5.7 Groupings/sequences . 15
5.8 Pass/fail criteria . 15
5.9 Reference product definition . 15
5.10 Performance standard test report . 15
6 Environmental aspects . 15
Annex A (normative) Tests, severities and criteria for performance standards . 16
A.1 General . 16
A.2 How to find the performance tests for the desired category? . 20
A.3 Performance criteria . 45
Annex B (normative) Performance standard numbering . 58
Bibliography . 60

Figure 1 – Relationship between various protective housing types . 13
Figure A.1 – Flow chart to identify the relevant category for the operating service
environment . 21

Table A.1 – Operating service environments and performance categories . 18
Table A.2 – Operating service environments and performance categories for
components in locations with additional heat dissipation by active electronics . 20
Table A.3 – Connectors, passive components, mechanical splices, fusion splice
protectors and fibre management systems – Category C – Indoor controlled
environment . 22
Table A.4 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category C –
Indoor controlled environment with additional heat dissipation . 24
Table A.5 – Connectors, field mountable connectors, passive components, mechanical
splices, fusion splice protectors and fibre management systems – Category OP –
Outdoor protected environment . 25
Table A.6 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category OP –
Outdoor protected environment with additional heat dissipation . 27

Table A.7 – Connectors, field mountable connectors, passive components, mechanical
splices, fusion splice protectors and fibre management systems – Category OP+ –
Extended outdoor protected environment . 28
Table A.8 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category OP+ –
Extended outdoor protected environment with additional heat dissipation . 28
Table A.9 – Connectors, passive optical components – Category I – Industrial
environment . 29
HD
Table A.10 – Connectors, passive optical components – Category I – Industrial
environment with additional heat dissipation . 31
Table A.11 – Connectors and passive optical components – Category E – Extreme
environment . 32
Table A.12 – Wall outlets, boxes, optical distribution frame modules and closures –
Category C – Indoor controlled environment . 34
Table A.13 – Hardened optical connectors, street cabinets, boxes and closures
Category A – Outdoor aerial environment . 36
Table A.14 – Hardened optical connectors and closures – Category G – Outdoor
ground environment . 39
Table A.15 – Hardened optical connectors and closures – Category S – Outdoor
subterranean environment. 42
Table A.16 – Single mode connectors . 45
Table A.17 – Single mode field mountable connectors . 46
Table A.18 – Multi mode connectors . 47
Table A.19 – Single mode mechanical splices . 48
Table A.20 – Multi mode mechanical splices . 49
Table A.21 – Single mode fusion splice protectors . 49
Table A.22 – Passive optical components . 50
Table A.23 – Fibre management systems . 51
Table A.24 – Category C – Wall outlets and boxes . 52
Table A.25 – Category C – Optical distribution frame modules (OFDM) . 53
Table A.26 – Category A, single mode boxes, street cabinets and free breathi
...

IEC 61753-1 ®
Edition 2.1 2020-06
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Fibre optic interconnecting devices and passive components – Performance
standard –
Part 1: General and guidance
Dispositifs d’interconnexion et composants passifs à fibres optiques – Norme
de performance –
Partie 1 : Généralités et recommandations

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Si vous désirez nous donner des commentaires sur cette
publication ou si vous avez des questions contactez-nous:
[e-mail].
IEC 61753-1 ®
Edition 2.1 2020-06
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Fibre optic interconnecting devices and passive components – Performance

standard –
Part 1: General and guidance
Dispositifs d’interconnexion et composants passifs à fibres optiques – Norme

de performance –
Partie 1 : Généralités et recommandations

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.20 ISBN 978-2-8322-8982-2

IEC 61753-1 ®
Edition 2.1 2020-06
CONSOLIDATED VERSION
REDLINE VERSION
VERSION REDLINE
colour
inside
Fibre optic interconnecting devices and passive components – Performance
standard –
Part 1: General and guidance
Dispositifs d’interconnexion et composants passifs à fibres optiques – Norme
de performance –
Partie 1 : Généralités et recommandations

– 2 – IEC 61753-1:2018+AMD1:2020 CSV
© IEC 2020
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 10
4 Abbreviations . 14
5 Preparation of a performance standard . 14
5.1 Performance standard title . 14
5.2 Tests . 14
5.3 Details . 14
5.4 Requirements . 14
5.5 Sample size . 14
5.6 Sample definition . 14
5.7 Groupings/sequences . 15
5.8 Pass/fail criteria . 15
5.9 Reference product definition . 15
5.10 Performance standard test report . 15
6 Environmental aspects . 15
Annex A (normative) Tests, severities and criteria for performance standards . 16
A.1 General . 16
A.2 How to find the performance tests for the desired category? . 20
A.3 Performance criteria . 45
Annex B (normative) Performance standard numbering. 58
Bibliography . 59

Figure 1 – Relationship between various protective housing types . 13
Figure A.1 – Flow chart to identify the relevant category for the operating service
environment . 21

Table A.1 – Operating service environments and performance categories . 18
Table A.2 – Operating service environments and performance categories for
components in locations with additional heat dissipation by active electronics . 20
Table A.3 – Connectors, passive components, mechanical splices, fusion splice
protectors and fibre management systems – Category C – Indoor controlled
environment . 22
Table A.4 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category C –
Indoor controlled environment with additional heat dissipation . 24
Table A.5 – Connectors, field mountable connectors, passive components, mechanical
splices, fusion splice protectors and fibre management systems – Category OP –
Outdoor protected environment . 25
Table A.6 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category OP –
Outdoor protected environment with additional heat dissipation . 27

© IEC 2020
Table A.7 – Connectors, field mountable connectors, passive components, mechanical
splices, fusion splice protectors and fibre management systems – Category OP+ –
Extended outdoor protected environment . 28
Table A.8 – Connectors, field mountable connectors, passive components, mechanical
HD
splices, fusion splice protectors and fibre management systems – Category OP+ –
Extended outdoor protected environment with additional heat dissipation . 28
Table A.9 – Connectors, passive optical components – Category I – Industrial
environment . 29
HD
Table A.10 – Connectors, passive optical components – Category I – Industrial
environment with additional heat dissipation . 31
Table A.11 – Connectors and passive optical components – Category E – Extreme
environment . 32
Table A.12 – Wall outlets, boxes, optical distribution frame modules and closures –
Category C – Indoor controlled environment . 34
Table A.13 – Hardened optical connectors, street cabinets, boxes and closures
Category A – Outdoor aerial environment . 36
Table A.14 – Hardened optical connectors and closures – Category G – Outdoor
ground environment . 39
Table A.15 – Hardened optical connectors and closures – Category S – Outdoor
subterranean environment . 42
Table A.16 – Single mode connectors . 45
Table A.17 – Single mode field mountable connectors . 46
Table A.18 – Multi mode connectors . 47
Table A.19 – Single mode mechanical splices . 48
Table A.20 – Multi mode mechanical splices . 49
Table A.21 – Single mode fusion splice protectors . 49
Table A.22 – Passive optical components . 50
Table A.23 – Fibre management systems . 51
Table A.24 – Category C – Wall outlets and boxes . 52
Table A.25 – Category C – Optical distribution frame modules (OFDM) .
...