IEC 60793-2-10:2019

Optical fibres - Part 2-10: Product specifications - Sectional specification for category A1 multimode fibres

IEC 60793-2-10:2019 is applicable to optical fibre sub-categories A1-OM1, A1-OM2, A1-OM3, A1-OM4, A1-OM5, and A1d. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables. Sub-categories A1-OM2, A1-OM3, A1-OM4 and A1-OM5 apply to 50/125 µm graded index fibre in four bandwidth grades. Each of these bandwidth grades is defined for two levels of macrobend loss performance that are distinguished by "a" or "b" suffix. Those sub-categories with suffix "a" are specified to meet traditional macrobend loss performance levels. Those sub-categories with suffix "b" are specified to meet enhanced macrobend loss (i.e. lower loss) performance levels. Sub-category A1-OM5 is specified to support single wavelength or multi-wavelength transmission systems in the vicinity of 850 nm to 950 nm. Although not normatively specified, bandwidth information covering this wavelength range is also included for A1-OM3 and A1-OM4. Sub-category A1-OM1 applies to 62,5/125 µm graded index fibre and sub-category A1d applies to 100/140 µm graded index fibre. Other applications include, but are not restricted to, the following: short reach, high bit-rate systems in telephony, distribution and local networks carrying data, voice and/or video services; on-premises intra-building and inter-building fibre installations including data centres, local area networks (LANs), storage area networks (SANs), private branch exchanges (PBXs), video, various multiplexing uses, outside telephone cable plant use, and miscellaneous related uses.Three types of requirements apply to these fibres:
- general requirements, as defined in IEC 60793-2;
- specific requirements common to the category A1 multimode fibres covered in this document and which are given in Clause 5;
- particular requirements applicable to individual fibre sub-categories and models, or specific applications, which are defined in the normative specification Annexes A to D.
This seventh edition cancels and replaces the sixth edition published in 2017. This edition constitutes a technical revision. This edition includes the following significant change with respect to the previous edition: revision of the naming convention for A1 multimode fibres, which better matches with those found in ISO/IEC standards. These changes are outlined in the scope of this document along with a cross reference table for the new names.
Keywords: optical fibre sub-categories A1-OM1, A1-OM2, A1-OM3, A1-OM4, A1-OM5, and A1d

Fibres optiques - Partie 2-10: Spécifications de produits - Spécification intermédiaire pour les fibres multimodales de catégorie A1

IEC 60793-2-10:2019 est applicable aux fibres optiques des sous-catégories A1 OM1, A1-OM2, A1-OM3, A1-OM4, A1-OM5 et A1d. Ces fibres sont utilisées ou peuvent être intégrées dans des équipements destinés à la transmission de l'information et dans des câbles à fibres optiques. Les sous-catégories A1-OM2, A1-OM3, A1-OM4 et A1-OM5 s'appliquent à la fibre à gradient d'indice de 50/125 µm dans quatre classes de largeur de bande. Chaque classe de largeur de bande est définie pour deux niveaux de performances en matière de pertes par macrocourbures, qui se distinguent par le suffixe "a" ou "b". Les sous-catégories qui comportent le suffixe "a" sont spécifiées de façon à satisfaire aux niveaux de performances classiques en matière de pertes par macrocourbures. Les sous-catégories qui comportent le suffixe "b" sont spécifiées de façon à satisfaire aux niveaux de performances avancées en matière de pertes par macrocourbures (c'est-à-dire des niveaux de pertes plus faibles). La sous-catégorie A1-OM5 est spécifiée pour prendre en charge des systèmes de transmission à une seule ou plusieurs longueurs d'onde au voisinage de 850 nm à 950 nm. Bien qu'elles ne soient pas spécifiées sur le plan normatif, les informations de largeur de bande couvrant cette plage de longueurs d'onde sont également incluses pour A1-OM3 et A1-OM4. La sous-catégorie A1-OM1 s'applique aux fibres à gradient d'indice de 62,5/125 µm et la sous catégorie A1d à celles de gradient d'indice de 100/140 µm. D'autres applications comprennent, mais sans s'y limiter, ce qui suit: les systèmes téléphoniques de courtes distances à haut débit, les réseaux de distribution et les réseaux locaux qui transportent des données, la voix et/ou des services vidéo; et les connexions par fibres intra ou inter bâtiment dans les locaux utilisateurs, englobant les centres de traitement de données, les réseaux locaux (LAN), les réseaux dédiés sauvegarde (SAN), les centraux téléphoniques privés (PABX), la vidéo, les différentes utilisations de multiplexage, l'utilisation d'une installation de câble du réseau téléphonique externe et les différentes utilisations associées. Trois types d'exigences s'appliquent à ces fibres:
- les exigences générales, qui sont définies dans l'IEC 60793-2;
- des exigences spécifiques communes aux fibres multimodales de catégorie A1, couvertes par le présent document et qui sont données à l'Article 5;
- des exigences particulières applicables à des sous-catégories et des modèles particuliers de fibres ou à des applications spécifiques, qui sont définies dans les Annexes de spécifications normatives A à D.
Cette septième édition annule et remplace la sixième édition parue en 2017. Cette édition constitue une révision technique. La présente édition inclut les modifications majeures suivantes par rapport à l'édition précédente: révision de la convention de dénomination pour les fibres multimodales A1, correspondant mieux aux noms compris dans les normes ISO/IEC. Ces modifications sont indiquées dans le domaine d'application du présent document avec une table de correspondance pour les nouveaux noms.
Mots-clés: fibres optiques des sous-catégories A1 OM1, A1-OM2, A1-OM3, A1-OM4, A1-OM5 et A1d

General Information

• Status: Published
• Publication Date: 26-Jan-2022
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 33.180.10 - Fibres and cables
• Technical Committee: SC 86A - Fibres and cables
• Drafting Committee: WG 1 - TC 86/SC 86A/WG 1
• Current Stage: PPUB - Publication issued
• Start Date: 14-Jun-2019
• Completion Date: 22-May-2019

Relations

• Amended By: IEC 60793-2-10:2019/AMD1:2022 - Amendment 1 - Optical fibres - Part 2-10: Product specifications - Sectional specification for category A1 multimode fibres
• Effective Date: 05-Sep-2023
• Revises: IEC 60793-2-10:2017 - Optical fibres - Part 2-10: Product specifications - Sectional specification for category A1 multimode fibres
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 60793-2-10 ®
Edition 7.0 2019-05
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Optical fibres –
Part 2-10: Product specifications – Sectional specification for category A1
multimode fibres
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IEC 60793-2-10 ®
Edition 7.0 2019-05
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Optical fibres –
Part 2-10: Product specifications – Sectional specification for category A1

multimode fibres
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.180.10 ISBN 978-2-8322-6992-3

– 2 – IEC 60793-2-10:2019 RLV © IEC 2019
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 8
3 Terms and definitions . 9
4 Abbreviated terms . 10
5 Specifications . 10
5.1 General . 10
5.2 Dimensional requirements . 10
5.3 Mechanical requirements . 12
5.4 Transmission requirements . 12
5.5 Environmental requirements . 14
5.5.1 General . 14
5.5.2 Mechanical environmental requirements (common to all fibres in
category A1) . 15
5.5.3 Transmission environmental requirements . 16
Annex A (normative) Specifications for sub-category A1a sub-categories A1-OM2,
A1-OM3, A1-OM4 and A1-OM5 multimode fibres . 17
A.1 General . 17
A.2 Dimensional requirements . 17
A.3 Mechanical requirements . 18
A.4 Transmission requirements . 18
A.5 Environmental requirements . 20
Annex B (normative) Specifications for sub-category A1b A1-OM1 multimode fibres . 21
B.1 General . 21
B.2 Dimensional requirements . 21
B.3 Mechanical requirements . 21
B.4 Transmission requirements . 22
B.5 Environmental requirements . 22
Annex C (normative) Specifications for sub-category A1d multimode fibres . 23
C.1 General . 23
C.2 Dimensional requirements . 23
C.3 Mechanical requirements . 23
C.4 Transmission requirements . 24
C.5 Environmental requirements . 24
Annex D (normative) Fibre differential mode delay (DMD), calculated effective modal
bandwidth (EMB ) and calculated overfilled modal bandwidth (OMB ) requirements . 25
c c
D.1 A1a.2 A1-OM3 fibre DMD requirements . 25
D.1.1 General . 25
D.1.2 DMD templates . 25
D.1.3 DMD interval masks . 26
D.2 A1a.2 A1-OM3 fibre EMB requirements . 27
c
D.2.1 General . 27
D.2.2 Calculated effective bandwidth . 27
D.3 A1a.3 A1-OM4 DMD requirements . 29
D.3.1 General . 29

D.3.2 DMD templates . 29
D.3.3 DMD interval masks . 30
D.4 A1a.3 A1-OM4 fibre EMB requirements . 30
c
D.4.1 General . 30
D.4.2 Calculated effective bandwidth . 30
D.5 A1a.3 A1-OM5 fibre modal bandwidth requirements . 30
D.5.1 General . 30
D.5.2 Calculated effective modal bandwidth . 31
D.6 A1-OM2, A1-OM3, A1-OM4 and A1-OM5 calculated overfilled modal
bandwidth . 31
Annex E (informative) System, modal bandwidth, and transmitter considerations . 33
E.1 Background. 33
E.2 System considerations . 33
E.2.1 A1a.2 A1-OM3 and A1a.3 A1-OM4 fibres . 33
E.2.2 A1a.4 A1-OM5 fibre . 33
E.3 Effective modal bandwidth (EMB) . 34
E.4 Transmitter encircled flux (EF) and centre wavelength requirements . 37
E.4.1 Encircled flux . 37
E.4.2 Centre wavelength for A1a.2 A1-OM3 and A1a.3 A1-OM4 fibres . 38
E.4.3 Centre wavelength for A1a.4 A1-OM5 fibre . 38
Annex F (informative) Bandwidth nomenclature explanation . 40
Annex G (informative) Preliminary indications for items needing further study . 41
G.1 Effective modal bandwidth (EMB) at 1 300 nm . 41
G.2 Scaling of EMB with DMD . 41
Annex H (informative) Applications and cabling categories supported by A1 fibres . 43
H.1 Standardised applications .
H.2 Cross reference of cabled optical fibre performance categories in
ISO/IEC 11801-1 to fibres of this document .
Annex I (informative) 1-Gigabit, 10-Gigabit, 25-Gigabit, 40-Gigabit and 100-Gigabit
Ethernet applications . 45
Bibliography . 51

Figure 1 – Relation between bandwidths at 850 nm and 1 300 nm . 14
Figure D.1 – DMD template requirements . 26
Figure E.1 – Estimated minimum wide band EMB versus wavelength for A1-OM3 . 35
Figure E.2 – Estimated minimum wide band EMB versus wavelength for A1-OM4 . 36
Figure E.3 – Estimated minimum wide band EMB versus wavelength for A1-OM5 . 37
Figure E.4 – Approximate position of DMD weightings relative to the EF boundaries of
Equations (E.10) and (E.11) . 38

Table 1 – Cross reference IEC A1 multimode fibre designations
to IEC 60793-2-10:2017 . 8
Table 2 – Dimensional attributes and measurement methods . 11
Table 3 – Dimensional requirements common to category A1 fibres . 11
Table 4 – Additional dimensional attributes required in sub-category specifications . 11
Table 5 – Mechanical attributes and measurement methods . 12
Table 6 – Mechanical requirements common to category A1 fibres . 12

– 4 – IEC 60793-2-10:2019 RLV © IEC 2019
Table 7 – Transmission attributes and measurement methods . 13
Table 8 – Additional transmission attributes required in sub-category specifications . 13
Table 9 – Environmental exposure tests . 15
Table 10 – Attributes measured for environmental tests . 15
Table 11 – Strip force for environmental tests . 15
Table 12 – Tensile strength for environmental tests . 16
Table 13 – Stress corrosion susceptibility for environmental tests . 16
Table 14 – Change in attenuation for environmental tests . 16
Table A.1 – Dimensional requirements specific to A1a A1-OM2, A1-OM3, A1-OM4 and
A1-OM5 fibres . 18
Tab
...

IEC 60793-2-10 ®
Edition 7.0 2019-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Optical fibres –
Part 2-10: Product specifications – Sectional specification for category A1
multimode fibres
Fibres optiques –
Partie 2-10: Spécifications de produits – Spécification intermédiaire pour les
fibres multimodales de catégorie A1

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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IEC 60793-2-10 ®
Edition 7.0 2019-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Optical fibres –
Part 2-10: Product specifications – Sectional specification for category A1

multimode fibres
Fibres optiques –
Partie 2-10: Spécifications de produits – Spécification intermédiaire pour les

fibres multimodales de catégorie A1

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.10 ISBN 978-2-8322-6920-6

– 2 – IEC 60793-2-10:2019 © IEC 2019
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 8
3 Terms and definitions . 9
4 Abbreviated terms . 10
5 Specifications . 10
5.1 General . 10
5.2 Dimensional requirements . 10
5.3 Mechanical requirements . 12
5.4 Transmission requirements . 12
5.5 Environmental requirements . 14
5.5.1 General . 14
5.5.2 Mechanical environmental requirements (common to all fibres in
category A1) . 15
5.5.3 Transmission environmental requirements . 16
Annex A (normative) Specifications for sub-categories A1-OM2, A1-OM3, A1-OM4 and
A1-OM5 multimode fibres . 17
A.1 General . 17
A.2 Dimensional requirements . 17
A.3 Mechanical requirements . 18
A.4 Transmission requirements . 18
A.5 Environmental requirements . 20
Annex B (normative) Specifications for sub-category A1-OM1 multimode fibres . 21
B.1 General . 21
B.2 Dimensional requirements . 21
B.3 Mechanical requirements . 21
B.4 Transmission requirements . 22
B.5 Environmental requirements . 22
Annex C (normative) Specifications for sub-category A1d multimode fibres . 23
C.1 General . 23
C.2 Dimensional requirements . 23
C.3 Mechanical requirements . 23
C.4 Transmission requirements . 24
C.5 Environmental requirements . 24
Annex D (normative) Fibre differential mode delay (DMD), calculated effective modal
bandwidth (EMB ) and calculated overfilled modal bandwidth (OMB ) requirements . 25
c c
D.1 A1-OM3 fibre DMD requirements . 25
D.1.1 General . 25
D.1.2 DMD templates . 25
D.1.3 DMD interval masks . 26
D.2 A1-OM3 fibre EMB requirements . 27
c
D.2.1 General . 27
D.2.2 Calculated effective bandwidth . 27
D.3 A1-OM4 DMD requirements . 29
D.3.1 General . 29

D.3.2 DMD templates . 29
D.3.3 DMD interval masks . 30
D.4 A1-OM4 fibre EMB requirements . 30
c
D.4.1 General . 30
D.4.2 Calculated effective bandwidth . 30
D.5 A1-OM5 fibre modal bandwidth requirements . 30
D.5.1 General . 30
D.5.2 Calculated effective modal bandwidth . 31
D.6 A1-OM2, A1-OM3, A1-OM4 and A1-OM5 calculated overfilled modal
bandwidth . 31
Annex E (informative) System, modal bandwidth, and transmitter considerations . 33
E.1 Background. 33
E.2 System considerations . 33
E.2.1 A1-OM3 and A1-OM4 fibres . 33
E.2.2 A1-OM5 fibre . 33
E.3 Effective modal bandwidth (EMB) . 34
E.4 Transmitter encircled flux (EF) and centre wavelength requirements . 37
E.4.1 Encircled flux . 37
E.4.2 Centre wavelength for A1-OM3 and A1-OM4 fibres . 38
E.4.3 Centre wavelength for A1-OM5 fibre . 38
Annex F (informative) Bandwidth nomenclature explanation . 40
Annex G (informative) Preliminary indications for items needing further study . 41
G.1 Effective modal bandwidth (EMB) at 1 300 nm . 41
G.2 Scaling of EMB with DMD . 41
Annex H (informative) Applications and cabling categories supported by A1 fibres . 43
Annex I (informative) 1-Gigabit, 10-Gigabit, 25-Gigabit, 40-Gigabit and 100-Gigabit
Ethernet applications . 44
Bibliography . 50

Figure 1 – Relation between bandwidths at 850 nm and 1 300 nm . 14
Figu
...

IEC 60793-2-10 ®
Edition 7.1 2022-01
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
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Optical fibres –
Part 2-10: Product specifications – Sectional specification for category A1
multimode fibres
Fibres optiques –
Partie 2-10: Spécifications de produits – Spécification intermédiaire pour les
fibres multimodales de catégorie A1

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Edition 7.1 2022-01
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Optical fibres –
Part 2-10: Product specifications – Sectional specification for category A1
multimode fibres
Fibres optiques –
Partie 2-10: Spécifications de produits – Spécification intermédiaire pour les
fibres multimodales de catégorie A1
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.10 ISBN 978-2-8322-4596-5

IEC 60793-2-10 ®
Edition 7.1 2022-01
CONSOLIDATED VERSION
REDLINE VERSION
VERSION REDLINE
colour
inside
Optical fibres –
Part 2-10: Product specifications – Sectional specification for category A1
multimode fibres
Fibres optiques –
Partie 2-10: Spécifications de produits – Spécification intermédiaire pour les
fibres multimodales de catégorie A1
– 2 – IEC 60793-2-10:2019+AMD1:2022 CSV
© IEC 2022
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 8
3 Terms and definitions . 9
4 Abbreviated terms . 10
5 Specifications . 10
5.1 General . 10
5.2 Dimensional requirements . 10
5.3 Mechanical requirements . 12
5.4 Transmission requirements . 12
5.5 Environmental requirements . 14
5.5.1 General . 14
5.5.2 Mechanical environmental requirements (common to all fibres in
category A1) . 15
5.5.3 Transmission environmental requirements . 16
Annex A (normative) Specifications for sub-categories A1-OM2, A1-OM3, A1-OM4 and
A1-OM5 multimode fibres . 17
A.1 General . 17
A.2 Dimensional requirements . 17
A.3 Mechanical requirements . 18
A.4 Transmission requirements . 18
A.5 Environmental requirements . 20
Annex B (normative) Specifications for sub-category A1-OM1 multimode fibres . 21
B.1 General . 21
B.2 Dimensional requirements . 21
B.3 Mechanical requirements . 21
B.4 Transmission requirements . 22
B.5 Environmental requirements . 22
Annex C (normative) Specifications for sub-category A1d multimode fibres . 23
C.1 General . 23
C.2 Dimensional requirements . 23
C.3 Mechanical requirements . 23
C.4 Transmission requirements . 24
C.5 Environmental requirements . 24
Annex D (normative) Fibre differential mode delay (DMD), calculated effective modal
bandwidth (EMB ) and calculated overfilled modal bandwidth (OMB ) requirements . 25
c c
D.1 A1-OM3 fibre DMD requirements . 25
D.1.1 General . 25
D.1.2 DMD templates . 25
D.1.3 DMD interval masks . 26
D.2 A1-OM3 fibre EMB requirements . 27
c
D.2.1 General . 27
D.2.2 Calculated effective bandwidth . 27
D.3 A1-OM4 DMD requirements . 29
D.3.1 General . 29

© IEC 2022
D.3.2 DMD templates . 29
D.3.3 DMD interval masks . 30
D.4 A1-OM4 fibre EMB requirements . 30
c
D.4.1 General . 30
D.4.2 Calculated effective bandwidth . 30
D.5 A1-OM5 fibre modal bandwidth requirements . 30
D.5.1 General . 30
D.5.2 Calculated effective modal bandwidth . 31
D.6 A1-OM2, A1-OM3, A1-OM4 and A1-OM5 calculated overfilled modal
bandwidth . 31
Annex E (informative) System, modal bandwidth, and transmitter considerations . 33
E.1 Background. 33
E.2 System considerations . 33
E.2.1 A1-OM3 and A1-OM4 fibres . 33
E.2.2 A1-OM5 fibre . 33
E.3 Effective modal bandwidth (EMB) . 34
E.4 Transmitter encircled flux (EF) and centre wavelength requirements . 37
E.4.1 Encircled flux . 37
E.4.2 Centre wavelength for A1-OM3 and A1-OM4 fibres . 38
E.4.3 Centre wavelength for A1-OM5 fibre . 38
Annex F (informative) Bandwidth nomenclature explanation . 40
Annex G (informative) Preliminary indications for items needing further study . 41
G.1 Effective modal bandwidth (EMB) at 1 300 nm . 41
G.2 Scaling of EMB with DMD . 41
Annex H (informative) Applications and cabling categories supported by A1 fibres . 43
Annex I (informative) 1-Gigabit, 10-Gigabit, 25-Gigabit, 40-Gigabit and 100-Gigabit
Ethernet applications .
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