EN IEC 61300-2-33:2026
(Main)Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-33: Tests - Assembly and disassembly of fibre optic mechanical splices, fibre management systems, protective housings and hardened connectors
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-33: Tests - Assembly and disassembly of fibre optic mechanical splices, fibre management systems, protective housings and hardened connectors
IEC 61300-2-33:2026 evaluates the behaviour of a fibre optic mechanical splice, a fibre management system, a protective housing or a hardened connector after being subjected to a specified number of assembly and disassembly operations. The test procedures described in this document simulate conditions that the component can encounter during its service lifetime to check the following performance characteristics: - capability of an optical mechanical splice to be reinstalled after being disassembled; - capability to reintroduce fibre management systems and protective housings, accessing fibres and optical components and making reconfigurations without disturbing transmission in adjacent fibre circuits; - sealing performance of the protective housing after frequent opening and closing operations; - sealing performance of the hardened connector after frequent mating and demating operations. This fourth edition cancels and replaces the third edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) update of the terms and definitions according to IEC 61753-1:2018 and IEC 61756‑1:2019; b) update of the test severities according to the new edition of IEC 61753-1:2018; c) addition of procedure D to verify the sealing performance after frequent mating and demating of a hardened connector.
Lichtwellenleiter - Verbindungselemente und passive Bauteile - Grundlegende Prüf- und Messverfahren - Teil 2-33: Prüfungen - Montage und Demontage von mechanischen LWL-Spleißen, Fasermanagementsystemen, Schutzgehäuse und robuste Steckverbinder
Dispositifs d'interconnexion et composants passifs fibroniques - Procédures fondamentales d'essais et de mesures - Partie 2-33: Essais - Montage et démontage des épissures mécaniques fibroniques, des systèmes de gestion des fibres, des boîtiers de protection et des connecteurs renforcés
L’IEC 61300-2-33:2026 permet d’évaluer le comportement d’une épissure mécanique fibronique, d’un système de gestion des fibres, d’un boîtier de protection ou d’un connecteur renforcé, après avoir été soumis à un nombre spécifié d'opérations de montage et de démontage. Les procédures d'essai décrites dans le présent document simulent les conditions que le composant peut rencontrer au cours de sa durée de vie afin de vérifier les caractéristiques de performance suivantes: - la capacité d’une épissure mécanique optique à être réinstallée après avoir été démontée; - la capacité à réintroduire des systèmes de gestion de fibres et des boîtiers de protection, en accédant aux fibres et composants optiques et en réalisant de nouvelles configurations sans perturber la transmission dans les circuits de fibres adjacents; - la performance d'étanchéité du boîtier de protection après des opérations fréquentes d'ouverture et de fermeture; - la performance d'étanchéité du connecteur renforcé après des opérations fréquentes d'accouplement et de désaccouplement. Cette quatrième édition annule et remplace la troisième édition parue en 2012. Elle constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: a) mise à jour des termes et définitions conformément à l’IEC 61753-1:2018 et à l’IEC 61756‑1:2019; b) mise à jour des sévérités d’essai conformément à la nouvelle édition de l’IEC 61753-1:2018; c) ajout de la procédure D pour la vérification de la performance d’étanchéité après accouplements et désaccouplements fréquents d’un connecteur renforcé.
Optični spojni elementi in pasivne komponente - Osnovni preskusni in merilni postopki - 2-33. del: Preskušanje - Sestavljanje in razstavljanje optomehanskih spojnic, konzol za upravljanje optičnih sistemov in zaščitnih ohišij
General Information
- Status
- Published
- Publication Date
- 28-May-2026
- Drafting Committee
- IEC/SC 86B - IEC_SC_86B
- Current Stage
- 6060 - Document made available - Publishing
- Start Date
- 29-May-2026
- Due Date
- 31-Dec-2024
- Completion Date
- 29-May-2026
Relations
- Effective Date
- 28-Sep-2021
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 05-May-2026
- Effective Date
- 02-Jun-2026
- Effective Date
- 02-Jun-2026
- Effective Date
- 02-Jun-2026
Overview
EN IEC 61300-2-33:2026 specifies test and measurement procedures for evaluating the performance of fibre optic interconnecting devices and passive components-specifically focusing on assembly and disassembly processes. Developed by the International Electrotechnical Commission (IEC) and adopted as a European Standard through CENELEC (CLC), this key document covers mechanical splices, fibre management systems, protective housings, and hardened fibre optic connectors.
The main objective of the standard is to assess the component's capability to withstand multiple assembly and disassembly cycles, as typically encountered over its service lifetime. By simulating real-world conditions, it ensures the reliability, optical stability, and protective functions needed for robust fibre optic networks.
Key Topics
- Mechanical Splices: Procedures test the reinstallation performance of optical mechanical splices after disassembly, focusing on their ability to maintain optical transmission quality after repeated use.
- Fibre Management Systems and Protective Housings: Evaluate the possibility of accessing fibres or reconfiguring circuits without disturbing adjacent fibre lines. Transient loss measurements are used to monitor optical stability during reconfiguration.
- Sealing Performance: Frequent opening and closing of protective housings, as well as repeated mating and demating of hardened connectors, are assessed to ensure continued environmental sealing and protection against dust and moisture.
- Ageing Process: The standard introduces ageing cycles between assembly/disassembly actions, simulating long-term material behaviour and identifying possible points of failure due to environmental stress.
- Reporting Requirements: Detailed documentation and reporting of test conditions, sample details, cycle numbers, and any deviations from procedures are emphasized to ensure traceability and repeatability.
Applications
EN IEC 61300-2-33:2026 is vital for manufacturers, system integrators, and network operators in the fibre optic sector. Key practical applications include:
- Product Qualification: Ensuring mechanical splices, fibre management units, protective housings, and hardened connectors meet durability and performance benchmarks for both indoor and outdoor environments.
- Quality Assurance: Provides a structured methodology for ongoing product assessment through repeated assembly/disassembly cycles, critical for high-reliability telecommunications and data transmission infrastructures.
- Installation & Maintenance: Supports network installers and technicians in validating that equipment can be accessed, reconfigured, or repaired with minimal impact on adjacent circuits and without compromising environmental protection.
- Compliance Testing: Used by test labs and manufacturers to demonstrate conformity with international and European fibre optic standards, simplifying acceptance by network operators and supporting global market access.
Related Standards
- IEC 61300-1: General guidance for basic test and measurement procedures for fibre optic interconnecting devices and passive components.
- IEC 61300-2-22: Sets procedures for testing changes due to temperature, relevant for understanding aging effects in optical components.
- IEC 61300-3-28: Provides methods for measuring transient optical loss during handling or reconfiguration.
- IEC 61753-1: General performance qualification for fibre optic devices and components.
- IEC 61753-131: Performance standards for single-mode mechanical fibre splices.
Conclusion
EN IEC 61300-2-33:2026 is a foundational standard advancing the reliability and longevity of fibre optic components and systems. Its systematic procedures for evaluating assembly and disassembly cycles give stakeholders confidence in continued optical performance and environmental protection, supporting the rigorous demands of modern fibre optic communication networks.
Keywords: EN IEC 61300-2-33:2026, fibre optic testing, mechanical splice durability, fibre management systems, protective housings, hardened connectors, optical performance, assembly and disassembly, standardization, compliance testing, fibre optic components, CLC.
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Frequently Asked Questions
EN IEC 61300-2-33:2026 is a draft published by CLC. Its full title is "Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-33: Tests - Assembly and disassembly of fibre optic mechanical splices, fibre management systems, protective housings and hardened connectors". This standard covers: IEC 61300-2-33:2026 evaluates the behaviour of a fibre optic mechanical splice, a fibre management system, a protective housing or a hardened connector after being subjected to a specified number of assembly and disassembly operations. The test procedures described in this document simulate conditions that the component can encounter during its service lifetime to check the following performance characteristics: - capability of an optical mechanical splice to be reinstalled after being disassembled; - capability to reintroduce fibre management systems and protective housings, accessing fibres and optical components and making reconfigurations without disturbing transmission in adjacent fibre circuits; - sealing performance of the protective housing after frequent opening and closing operations; - sealing performance of the hardened connector after frequent mating and demating operations. This fourth edition cancels and replaces the third edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) update of the terms and definitions according to IEC 61753-1:2018 and IEC 61756‑1:2019; b) update of the test severities according to the new edition of IEC 61753-1:2018; c) addition of procedure D to verify the sealing performance after frequent mating and demating of a hardened connector.
IEC 61300-2-33:2026 evaluates the behaviour of a fibre optic mechanical splice, a fibre management system, a protective housing or a hardened connector after being subjected to a specified number of assembly and disassembly operations. The test procedures described in this document simulate conditions that the component can encounter during its service lifetime to check the following performance characteristics: - capability of an optical mechanical splice to be reinstalled after being disassembled; - capability to reintroduce fibre management systems and protective housings, accessing fibres and optical components and making reconfigurations without disturbing transmission in adjacent fibre circuits; - sealing performance of the protective housing after frequent opening and closing operations; - sealing performance of the hardened connector after frequent mating and demating operations. This fourth edition cancels and replaces the third edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) update of the terms and definitions according to IEC 61753-1:2018 and IEC 61756‑1:2019; b) update of the test severities according to the new edition of IEC 61753-1:2018; c) addition of procedure D to verify the sealing performance after frequent mating and demating of a hardened connector.
EN IEC 61300-2-33:2026 is classified under the following ICS (International Classification for Standards) categories: 33.180.20 - Fibre optic interconnecting devices. The ICS classification helps identify the subject area and facilitates finding related standards.
EN IEC 61300-2-33:2026 has the following relationships with other standards: It is inter standard links to EN 61300-2-33:2012, EN IEC 61753-1:2018, EN IEC 61300-2-22:2024, EN IEC 61753-131-03:2021, EN 62005-7:2004, EN 62005-3:2001, EN 62005-2:2001, EN IEC 61300-1:2022, EN 62005-4:1999, EN IEC 61753-1:2018/A1:2020, EN 62005-1:2001, EN 61300-3-28:2012, EN IEC 61757-1-1:2020, EN 50411-3-5:2015, EN 50411-3-8:2016. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN IEC 61300-2-33:2026 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
oSIST prEN IEC 61300-2-33:2025
01-julij-2025
Optični spojni elementi in pasivne komponente - Osnovni preskuševalni in merilni
postopki - 2-33. del: Preskušanje - Sestavljanje in razstavljanje optomehanskih
spojnic, konzol za upravljanje optičnih sistemov in zaščitnih ohišij
Fibre optic interconnecting devices and passive components - Basic test and
measurement procedures - Part 2-33: Tests - Assembly and disassembly of fibre optic
mechanical splices, fibre management systems and protective housings
Dispositifs d'interconnexion et composants passifs à fibres optiques - Méthodes
fondamentales d'essais et de mesures - Partie 2-33: Essais - Montage et démontage des
épissures mécaniques de fibres optiques, des systèmes de gestion des fibres et des
boîtiers
Ta slovenski standard je istoveten z: prEN IEC 61300-2-33:2025
ICS:
33.180.20 Povezovalne naprave za Fibre optic interconnecting
optična vlakna devices
oSIST prEN IEC 61300-2-33:2025
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
oSIST prEN IEC 61300-2-33:2025
oSIST prEN IEC 61300-2-33:2025
86B/5053/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 61300-2-33 ED4
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-06-06 2025-08-29
SUPERSEDES DOCUMENTS:
86B/5000/CD, 86B/5032A/CC
SC 86B : FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS
IEC
SECRETARIAT: SECRETARY:
Japan Mr Ryo Koyama
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
ASPECTS CONCERNED:
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some
Countries” clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is
the final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).
TITLE:
Fibre optic interconnecting devices and passive components - Basic test and measurement
procedures - Part 2-33: Tests - Assembly and disassembly of fibre optic mechanical splices,
fibre management systems and protective housings
PROPOSED STABILITY DATE: 2032
NOTE FROM TC/SC OFFICERS:
download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National
Committee positions. You may not copy or "mirror" the file or printed version of the document, or any part of it, for
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oSIST prEN IEC 61300-2-33:2025
2 IEC CDV 61300-2-33 ED4 © IEC 2025
1 CONTENTS
2 FOREWORD . 3
3 1 Scope . 5
4 2 Normative references . 5
5 3 Terms and definitions . 5
6 4 General description . 6
7 5 Procedure . 6
8 5.1 Preparation of the DUT . 6
9 5.2 Procedure A: Re-installation of an optical mechanical splice after
10 disassembly . 6
11 5.3 Procedure B: Optical stability during product reconfiguration of fibre
12 management systems and protective housings . 7
13 5.4 Procedure C: Sealing performance after frequent opening and closing of the
14 protective housings . 7
15 5.5 Procedure D: Verification of the sealing performance after frequent mating
16 and demating of a hardened connector . 8
17 5.6 Ageing procedure . 9
18 6 Severity . 10
19 7 Details to be specified and reported . 10
20 Annex A (informative) Installation and intervention procedure for protective housing –
21 optical stability . 11
22 Bibliography . 12
24 Table 1 – Ageing procedure between two cycles of assembly and disassembly of fibre
25 optic mechanical splices, protective housings and hardened connectors . 9
26 Table 2 – Assembly/disassembly number of cycles for different operating
27 environments . 10
oSIST prEN IEC 61300-2-33:2025
IEC CDV 61300-2-33 ED4 © IEC 2025 3
30 INTERNATIONAL ELECTROTECHNICAL COMMISSION
31 ____________
33 FIBRE OPTIC INTERCONNECTING DEVICES
34 AND PASSIVE COMPONENTS –
35 BASIC TEST AND MEASUREMENT PROCEDURES –
37 Part 2-33: Tests – Assembly and disassembly
38 of fibre optic mechanical splices, fibre management systems, protective
39 housings and hardened connectors
42 FOREWORD
43 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
44 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
45 co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
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51 Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
52 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
53 consensus of opinion on the relevant subjects since each technical committee has representation from all
54 interested IEC National Committees.
55 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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57 Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
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59 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
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69 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
70 indispensable for the correct application of this publication.
71 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
72 rights. IEC shall not be held responsible for identifying any or all such patent rights.
73 International Standard IEC 61300-2-33 has been prepared by subcommittee 86B: Fibre optic
74 interconnecting devices and passive components, of IEC technical committee 86: Fibre optics.
75 This fourth edition cancels and replaces the third edition published in 2012. It constitutes a
76 technical revision.
77 This edition includes the following significant technical changes with respect to the previous
78 edition:
79 a) Terms and definitions updated according to IEC 61753-1:2018 and IEC 61756-1:2019;
80 b) Test severities updated according to new edition of IEC 61753-1:2018.
81 c) Procedure D added for verification of the sealing performance after frequent mating and
82 demating of a hardened connector
oSIST prEN IEC 61300-2-33:2025
4 IEC CDV 61300-2-33 ED4 © IEC 2025
85 The text of this standard is based on the following documents:
FDIS Report on voting
86B/xxxx/FDIS 86B/xxxx/RVD
87 Full information on the voting for the approval of this standard can be found in the report on
88 voting indicated in the above table.
89 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
90 The list of all parts of IEC 61300 series, published under the general title, Fibre optic
91 interconnecting devices and passive components – Basic test and measurement procedures,
92 can be found on the IEC website.
93 The committee has decided that the contents of this publication will remain unchanged until the
94 stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data related
95 to the specific publication. At this date, the publication will be
96 • reconfirmed;
97 • withdrawn;
98 • replaced by a revised edition, or
99 • amended.
The National Committees are requested to note that for this publication the stability date is 2020.
oSIST prEN IEC 61300-2-33:2025
IEC CDV 61300-2-33 ED4 © IEC 2025 5
102 FIBRE OPTIC INTERCONNECTING DEVICES
103 AND PASSIVE COMPONENTS –
104 BASIC TEST AND MEASUREMENT PROCEDURES –
106 Part 2-33: Tests – Assembly and disassembly
107 of fibre optic mechanical splices, fibre management systems, protective
108 housings and hardened connectors
112 1 Scope
113 This part of IEC 61300, evaluates the assembly and disassembly of a fibre optic mechanical
114 splice, a fibre management system, a protective housing or a hardend connector for a specified
115 number of times.
117 The test procedures simulate the following conditions which can be found in the component
118 service lifetime:
119 - the ability of an optical mechanical splice to be re-installed after disassembly;
120 - the ability to re-enter fibre management systems and protective housings, accessing
121 fibres and optical components and making reconfigurations without disturbing
122 transmission in adjacent fibre circuits;
123 - verification of the sealing performance after frequent opening and closing of the
124 protective housing;
125 - verification of the sealing performance after frequent mating and demating of the
126 hardened connector.
127 2 Normative references
128 The following referenced documents are indispensable for the application of this document. For
129 dated references, only the edition cited applies. For undated references, the latest edition of
130 the referenced document (including any amendments) applies.
131 IEC 61300-1: Fibre optic interconnecting devices and passive components - Basic test and
132 measurement procedures - Part 1: General and guidance
133 IEC 61300-2-22: Fibre optic interconnecting devices and passive components - Basic test and
134 measurement procedures – Part 2-22: Tests – Change of temperature
135 IEC 61300-3-28: Fibre optic interconnecting devices and passive components - Basic test and
136 measurement procedures - Part 3-28: Examinations and measurements - Transient loss
137 IEC 61753-1: Fibre optic interconnecting devices and passive components – Performance
138 standard - Part 1: General and guidance
139 IEC 61753-131 (all parts), Fibre optic interconnecting devices and passive components -
140 Performance standard: Single-mode mechanical fibre splice
141 3 Terms and definitions
142 For the purposes of this document, the following terms and definitions apply.
143 ISO and IEC maintain terminological databases for use in standardization at the following
144 addresses:
145 • IEC Electropedia: available at http://www.electropedia.org/
146 • ISO Online browsing platform: available at http://www.iso.org/obp
oSIST prEN IEC 61300-2-33:2025
6 IEC CDV 61300-2-33 ED4 © IEC 2025
147 3.1
148 fibre management system
149 system to control, p
...