SIST EN IEC 60794-2-21:2019/A1:2021
(Amendment)Optical fibre cables - Part 2-21: Indoor cables - Detailed specification for multi-fibre optical distribution cables for use in premises cabling (IEC 60794-2-21:2019/A1:2020)
Lichtwellenleiterkabel - Teil 2-21: LWL-Innenkabel - Bauartspezifikation für Mehrfaserverteilerkabel für anwendungsneutrale Standortverkabelung (IEC 60794-2-21:2019/A1:2020)
Amendement 1 - Câbles à fibres optiques - Partie 2-21: Câbles intérieurs - Spécification particulière pour les câbles optiques multifibres de distribution utilisés dans le câblage de locaux (IEC 60794-2-21:2019/A1:2020)
Optični kabli - 2-21. del: Notranji optični kabli - Podrobna specifikacija za razdelilne večvlakenske optične kable za okablenje prostorov - Dopolnilo A1 (IEC 60794-2-21:2019/A1:2020)
General Information
- Status
- Published
- Publication Date
- 26-Jan-2021
- Technical Committee
- MOC - Mobile Communications
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 15-Jan-2021
- Due Date
- 22-Mar-2021
- Completion Date
- 27-Jan-2021
Relations
- Effective Date
- 09-Feb-2026
- Effective Date
- 03-Feb-2026
- Effective Date
- 26-May-2020
Overview
SIST EN IEC 60794-2-21:2019/A1:2021 is a Slovenian adoption of the European standard for optical fibre cables, specifically focusing on indoor multi-fibre optical distribution cables for premises cabling. This standard, incorporating Amendment 1 (A1), aligns with the international IEC 60794-2-21:2019/A1:2020, and provides detailed specifications to ensure consistent quality, performance, and interoperability for fibre optic cables used within buildings and other premises.
By defining minimum requirements for key optical and physical characteristics, this standard supports reliable, high-speed data transmission in diverse indoor environments, reinforcing safe and efficient telecommunication network design.
Key Topics
- Indoor Optical Distribution Cables: The document centers on multi-fibre optical distribution cables designed specifically for indoor use, often within structured cabling systems.
- Detailed Cable Specifications: It outlines the necessary criteria for cable construction and performance, helping manufacturers and installers meet rigorous sector demands.
- Amendment 1 Updates: This amendment provides updated guidance on minimum multimode fibre bandwidth requirements, especially concerning performance in the 840 nm to 953 nm wavelength range.
- Bandwidth Classifications: The standard presents benchmark bandwidth values for common multi-fibre cable performance classes, including OM3, OM4, and OM5 fibres.
- Interoperability and Safety: By adhering to harmonized requirements, the standard ensures cables are compatible and safe for use in international and European markets.
Applications
SIST EN IEC 60794-2-21:2019/A1:2021 applies to a variety of use cases in modern indoor environments, including:
- Premises Cabling Infrastructure: Used in office buildings, hospitals, educational campuses, and data centers for the efficient distribution of high-speed telecommunications services.
- Structured Cabling Systems: Enables flexible and scalable network installation, supporting voice, data, and video transmission within local area networks (LANs).
- High-Bandwidth Applications: The standard ensures cables are capable of meeting the demands of increasing data rates, supporting technologies such as high-definition streaming, cloud-based applications, and IoT systems.
- Compliance and Certification: Cable manufacturers and installers reference this standard to achieve compliance with European and international quality and safety benchmarks, aiding procurement processes and network reliability.
Related Standards
Professionals working with multi-fibre optical cables and indoor fibre optic installation should also be familiar with the following related standards:
- EN IEC 60794-2-21:2019: The base European standard for indoor multi-fibre distribution optical cables.
- IEC 60793-2-10: Specification for optical fibre types used in multi-fibre cables, detailing bandwidth guidance and performance classifications.
- ISO/IEC 11801: International standard for generic cabling for customer premises, often referenced alongside product specifications.
- EN 50173 Series: Standards for structured cabling systems in various premises.
- IEC 60794 Series: Comprehensive standards series for optical fibre cable design, testing, and classification.
Practical Value
Utilizing SIST EN IEC 60794-2-21:2019/A1:2021 assures network planners, installers, and facility managers that indoor fibre optic cabling solutions will be robust, future-proof, and interoperable. The standard helps ensure high performance, safety, and regulatory compliance, reducing installation risks and facilitating reliable operation in mission-critical environments. It is an essential reference for anyone involved in the design, procurement, and maintenance of premises cabling networks using optical fibre technology.
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ANCE
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Intertek Slovenia
Intertek testing, inspection, and certification services in Slovenia.
LNE (Laboratoire National de Métrologie et d'Essais)
French national laboratory for metrology and testing.
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Frequently Asked Questions
SIST EN IEC 60794-2-21:2019/A1:2021 is a amendment published by the Slovenian Institute for Standardization (SIST). Its full title is "Optical fibre cables - Part 2-21: Indoor cables - Detailed specification for multi-fibre optical distribution cables for use in premises cabling (IEC 60794-2-21:2019/A1:2020)". This standard covers: Optical fibre cables - Part 2-21: Indoor cables - Detailed specification for multi-fibre optical distribution cables for use in premises cabling (IEC 60794-2-21:2019/A1:2020)
Optical fibre cables - Part 2-21: Indoor cables - Detailed specification for multi-fibre optical distribution cables for use in premises cabling (IEC 60794-2-21:2019/A1:2020)
SIST EN IEC 60794-2-21:2019/A1:2021 is classified under the following ICS (International Classification for Standards) categories: 33.180.10 - Fibres and cables. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN IEC 60794-2-21:2019/A1:2021 has the following relationships with other standards: It is inter standard links to SIST EN 3745-505:2018, SIST EN 60794-2:2018, SIST EN IEC 60794-2-21:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN IEC 60794-2-21:2019/A1:2021 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2021
Optični kabli - 2-21. del: Notranji optični kabli - Podrobna specifikacija za
razdelilne večvlakenske optične kable za okablenje prostorov - Dopolnilo A1 (IEC
60794-2-21:2019/A1:2020)
Optical fibre cables - Part 2-21: Indoor cables - Detailed specification for multi-fibre
optical distribution cables for use in premises cabling (IEC 60794-2-21:2019/A1:2020)
Lichtwellenleiterkabel - Teil 2-21: LWL-Innenkabel - Bauartspezifikation für
Mehrfaserverteilerkabel für anwendungsneutrale Standortverkabelung (IEC 60794-2-
21:2019/A1:2020)
Amendement 1 - Câbles à fibres optiques - Partie 2-21: Câbles intérieurs - Spécification
particulière pour les câbles optiques multifibres de distribution utilisés dans le câblage de
locaux (IEC 60794-2-21:2019/A1:2020)
Ta slovenski standard je istoveten z: EN IEC 60794-2-21:2019/A1:2021
ICS:
33.180.10 (Optična) vlakna in kabli Fibres and cables
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 60794-2-21:2019/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2021
ICS 33.180.10
English Version
Optical fibre cables - Part 2-21: Indoor cables - Detailed
specification for multi-fibre optical distribution cables for use in
premises cabling
(IEC 60794-2-21:2019/A1:2020)
Câbles à fibres optiques - Partie 2-21: Câbles intérieurs - Lichtwellenleiterkabel - Teil 2-21: LWL-Innenkabel -
Spécification particulière pour les câbles optiques Bauartspezifikation für Mehrfaserverteilerkabel für
multifibres de distribution utilisés dans le câblage de locaux anwendungsneutrale Standortverkabelung
(IEC 60794-2-21:2019/A1:2020) (IEC 60794-2-21:2019/A1:2020)
This amendment A1 modifies the European Standard EN IEC 60794-2-21:2019; it was approved by CENELEC on 2020-12-23. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 amendment 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, 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
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60794-2-21:2019/A1:2021 E
European foreword
The text of document 86A/2012/CDV, future IEC 60794-2-21/A1, 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 IEC 60794-2-21:2019/A1:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2021-09-23
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2023-12-23
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 60794-2-21:2019/A1:2020 was approved by CENELEC as
a European Standard without any modification.
IEC 60794-2-21 ®
Edition 3.0 2020-11
INTERNATIONAL
STANDARD
AMENDMENT 1
Optical fibre cables –
Part 2-21: Indoor cables – Detailed specification for multi-fibre optical
distribution cables for use in premises cabling
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.180.10 ISBN 978-2-8322-9071-2
– 2 – IEC 60794-2-21:2019/AMD1:2020
© IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
OPTICAL FIBRE CABLES –
Part 2-21: Indoor cables –
Detailed specification for multi-fibre optical distribution cables
for use in premises cabling
AMENDMENT 1
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization com
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