IEC 61300-2-2:2026

• Abstract:

  IEC 61300-2-2:2026 evaluates the effects of a number of successive cycles of mating and un-mating of fibre optic connectors or other interconnecting devices on optical performance and mechanical degradation of the component under normal usage conditions.; This edition includes the following significant technical changes with respect to the previous edition:; a) definition of the mating durability test also for a plug-receptacle configuration of the device under test (DUT);; b) deletion of measurement condition B;; c) definition of a unique measurement condition;; d) addition of performance categories in the severities;; e) introduction of new severity levels for connectors and hardened connectors;; f) definition of new cleaning criteria during mating durability test;; g) deletion of performance category E in the severities.

• Status: Published
• Publication Date: 13-Jul-2026
• ICS: 33.180.20 - Fibre optic interconnecting devices
• Technical Committee: SC 86B - Fibre optic interconnecting devices and passive components
• Drafting Committee: WG 4 - TC 86/SC 86B/WG 4
• Current Stage: PPUB - Publication issued
• Start Date: 14-Jul-2026
• Completion Date: 17-Jul-2026

• Revises: IEC 61300-2-2:2009 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-2: Tests - Mating durability
• Effective Date: 17-Nov-2023

IEC 61300-2-2 ®
Edition 4.0 2026-07
INTERNATIONAL
STANDARD
Fibre optic interconnecting devices and passive components - Basic test and
measurement procedures -
Part 2-2: Tests - Mating durability
ICS 33.180.20  ISBN 978-2-8327-1374-7

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or
by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either
IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC copyright
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CONTENTS
FOREWORD . 2
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 General description . 4
5 Apparatus . 4
5.1 Fixture . 4
5.2 Application of force . 5
5.3 Measuring equipment . 5
6 Procedure . 5
6.1 Preconditioning . 5
6.2 Initial inspection . 5
6.3 Cycling . 5
6.4 Measurements . 6
6.4.1 General . 6
6.4.2 Measurement and cleaning conditions . 6
6.4.3 Final examinations and measurements . 6
7 Severity . 6
8 Details to be specified and reported . 7
Bibliography . 8

Figure 1 – Mating durability test for a plug-adaptor-plug configuration . 5
Figure 2 – Mating durability test for a plug-receptacle configuration . 5

Table 1 – Recommended severity values . 6

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
Fibre optic interconnecting devices and passive components -
Basic test and measurement procedures -
Part 2-2: Tests - Mating durability

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
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
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
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
may be required to implement this document. However, implementers are cautioned that this may not represent
the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
IEC 61300-2-2 has been prepared by subcommittee 86B: Fibre optic interconnecting
...

IEC 61300-2-2 ®
Edition 4.0 2026-07
INTERNATIONAL
STANDARD
REDLINE VERSION
Fibre optic interconnecting devices and passive components - Basic test and
measurement procedures -
Part 2-2: Tests - Mating durability
ICS 33.180.20 ISBN 978-2-8327-1391-4
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or
by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either
IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC copyright
or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local
IEC member National Committee for further information.

IEC Secretariat Tel.: [phone]
3, rue de Varembé [e-mail]
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.

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need further assistance, please contact the Customer
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CONTENTS
FOREWORD . 2
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 General description . 4
5 Apparatus . 5
5.1 Fixture . 5
5.2 Application of force . 5
5.3 Measuring equipment . 5
6 Procedure . 5
6.1 Preconditioning . 5
6.2 Initial inspection . 5
6.3 Cycling . 5
6.4 Measurements . 6
6.4.1 General . 6
5.3.2 Measurement condition A .
5.3.3 Measurement condition B .
6.4.2 Measurement and cleaning conditions . 7
6.4.3 Post test examination Final examinations and measurements . 7
7 Severity . 8
8 Details to be specified and reported . 8
Bibliography . 9

Figure 1 – Mating durability test for a plug-adaptor-plug configuration . 6
Figure 2 – Mating durability test for a plug-socketreceptacle configuration . 6

Table 1 – Severity level .
Table 1 – Recommended severity values . 8
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
Fibre optic interconnecting devices and passive components -
Basic test and measurement procedures -
Part 2-2: Tests - Mating durability

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
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
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
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
may be required to implement this document. However, implementers are cautioned that this may not represent
the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
This redline version of the official IEC Standard allows the user to identify the changes made
to the previous edition IEC 61300-2-2:2009. A vertical bar appears in the margin wherever a
change has been made. Additions are in green text, deletions are in strikethrough red text.

IEC 61300-2-2 has been prepared by subcommittee 86B: Fibre optic interconnecting devices
and passive components, of IEC technical committee 86: Fibre optics. It is an International
Standard.
This fourth edition cancels and replaces the third edition, published in 2009. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) definition of the mating durability test also for a plug-receptacle configuration of the device
under test (DUT);
b) deletion of measurement condition B;
c) Definition of a unique measurement condition;
d) addition of performance categories in the severities;
e) introduction of new severity levels for connectors and hardened connectors;
f) definition of new cleaning criteria during mating durability test;
g) deletion of performance category E in the severities.
The text of this International Standard is based on the following documents:
Draft Report on voting
86B/5225/FDIS 86B/5247/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications.
A list of all parts of IEC 61300 series, published under the general title Fibre optic
interconnecting devices and passive components - Basic test and measurement procedures,
can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
– reconfirmed,
– withdrawn, or
– revised.
1 Scope
This part of IEC 61300 evaluates the effects of a number of successive cycles of engagement
mating and separation un-mating of fibre optic connectors or other interconnecting devices on
optical performance and mechanical degradation of the component under normal usage
conditions.
2 Normative references
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.
IEC 61300-1, Fibre optic interconnecting devices and passive components - Basic test and
measurement procedures - Part 1: General and guidance
IEC 61300-3-1, Fibre optic interconnecting devices and passive components - Basic test and
measurement procedures - Part 3-1: Examinations and measurements - Visual examination
IEC 61300-3-3, Fibre optic interconnecting devices and passive components - Basic test and
measurement procedures - Part 3-3: Examinations and measurements - Active monitoring of
changes in attenuation and return loss
IEC 61300-3-4, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 3-4: Examinations and measurements – Attenuation
IEC 61753 (all parts), Fibre optic interconnecting devices and passive components -
Performance standard
IEC 62005 (all parts), Reliability of fibre optic interconnecting devices and passive components
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminology databases for use in standardization at the following
addresses:
– IEC Electropedia: available at https://www.electropedia.org/
– ISO Online browsing platform: available at https://www.iso.org/obp
4 General description
The device under test (DUT), i.e. the plug-receptacle or plug-adaptor-plug configuration, is
subjected to a number of successive cycles of engagement mating and separation un-mating.
If more than one coupling mechanism is involved, each cycle of engagement shall be conducted
with all other mechanisms properly engaged.
5 Apparatus
The apparatus shall include the following elements:
5.1 Fixture
The device DUT should shall be tested under normal conditions of use. Where appropriate,
suitable clamps, jaws or other means may can be used to hold the mating parts of the device
DUT in proper alignment during the test.
5.2 Application of force
Use a means of applying the force or torque to engage and separate the specimen. Unless
otherwise stated, the force to engage the device shall be applied manually. Where required, a
means of applying the engagement force or torque shall be specified.
The force to mate and un-mate the DUT shall be applied by hand, unless otherwise defined by
the manufacturer. If an alternative method is defined by the manufacturer’s instructions, the
method and the amount of force or the torque value that must be applied shall be reported.
5.3 Measuring equipment
Unless otherwise specified, The measuring equipment specified in IEC 61300-3-4 IEC 61300-
3-3 shall be connected to the DUT for monitoring the optical performance during the test.
6 Procedure
6.1 Preconditioning
The DUT shall be preconditioned for a minimum of 2 h at the standard atmospheric conditions
in accordance with IEC 61300-1.
6.2 Initial inspection
Complete initial examinations and measurements of the specimen as specified in the relevant
specification.
Initial examinations shall be completed in accordance with IEC 61300-3-1 and the
measurements of the DUT shall be performed as specified in the relevant IEC 61753 series
performance standard or in the relevant IEC 62005 series reliability document.
6.3 Cycling
Unless otherwise specified in the relevant specification, a cycle shall consist of one normal full
engagement and separation of the coupling mechanism to be evaluated. The minimum time
between each engagement shall be 3 s.
The initial optical measurement is taken with the plug mated to the plug-adaptor or receptacle
and serves as the baseline for the change in attenuation and return loss during and after testing.
The plug is then un-mated and mated. This un-mating and mating operations represent one
cycle. The minimum time between each un-mating/mating cycle shall be 3 s.
When the specimen DUT involves more than one coupling mechanism, the cycles shall be
conducted with all mechanisms properly engaged mated. The mating shall be accomplished
according to the manufacturer’s instructions. In the case of a plug-adaptor-plug configuration,
only one plug is subjected to successive engagement mating and separations un-mating cycles,
see Figure 1 and Figure 2.
Figure 1 – Mating durability test for a plug-adaptor-plug configuration

Figure 2 – Mating durability test for a plug-socketreceptacle configuration
6.4 Measurements
6.4.1 General
The DUT's attenuation and/or return loss of the specimen, or both, shall be monitored during
the test, in accordance with IEC 61300-3-3, unless otherwise specified in the relevant
specification IEC 61753 series performance standard or in the relevant IEC 62005 series
reliability document. The results shall be within the limit given in the specification relevant
IEC 61753 series performance standard or in the relevant IEC 62005 series reliability document.
Choose one of the measurement conditions below.
5.3.2 Measurement condition A
Measurements are recorded after every mating. If the value of attenuation or return loss
exceeds the specified limit, the measurement should be recorded. The connector may then be
cleaned according to the manufacturer’s instructions and the test resumed. The cleaning of the
connector shall be recorded.
The number of cleaning operations shall be limited to 20 (4 % of matings).
5.3.3 Measurement condition B
The sample population is divided as equally as possible into three specimen groups. Each group
is mounted in a holding fixture (e.g. adapter panel) at the following distances from the floor:
0,9 m, 1,4 m and 1,8 m.
For each connector pair, perform an initial cleaning and record baseline optical measurements
(e.g. attenuation, return loss). For each connector pair, perform optical measurements on every
th th
25 mating. Clean only the cycled connector prior to every 25 mating. Clean both connectors
th
prior to every 50 mating. The following sequence is an example:
0-1 Cleaning (both sides)
1-1 Engagement
1-2 Separation
2-1 Engagement
2-2 Separation
….
24-1 Engagement
24-2 Separation
24-3 Cleaning (cycled plug only)
25-1 Engagement
25-2 Measurement
25-3 Separation
….
49-1 Engagement
49-2 Separation
49-3 Cleaning (both connectors)
50-1 Engagement
50-2 Measurement
50-3 Separation
….
74-1 Engagement
74-2 Separation
74-3 Cleaning (cycled plug only)
75-1 Engagement
75-2 Measurement
75-3 Separation
….
199-1 Engagement
199-2 Separation
199-3 Cleaning (both connectors)
200-1 Engagement
200-2 Measurement
200-3 Separation
If, after the specified number of cycles has been reached, and a specimen does not meet the
optical criteria after cleaning, then up to two re-cleanings are permitted.
6.4.2 Measurement and cleaning conditions
Measurements are recorded after every mating.
The DUT may be inspected and cleaned according to
...

IEC 61300-2-2 ®
Edition 4.0 2026-07
NORME
INTERNATIONALE
Dispositifs d'interconnexion et composants passifs fibroniques - Procédures
fondamentales d'essais et de mesures -
Partie 2-2: Essais - Durabilité de l'accouplement
ICS 33.180.20  ISBN 978-2-8327-1374-7

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SOMMAIRE
AVANT-PROPOS . 2
1 Domaine d'application . 4
2 Références normatives . 4
3 Termes et définitions . 4
4 Description générale . 4
5 Appareillage . 4
5.1 Dispositif de fixation . 4
5.2 Application de la force . 5
5.3 Équipement de mesure . 5
6 Procédure . 5
6.1 Préconditionnement . 5
6.2 Examen initial . 5
6.3 Cycles . 5
6.4 Mesures . 6
6.4.1 Généralités . 6
6.4.2 Conditions de mesure et de nettoyage . 6
6.4.3 Examens et mesurages finaux . 6
7 Sévérité . 6
8 Informations détaillées à spécifier et à consigner dans le rapport d’essai . 7
Bibliographie . 8

Figure 1 – Essai de durabilité de l'accouplement pour une configuration fiche-raccord-
fiche . 5
Figure 2 – Essai de durabilité de l'accouplement pour une configuration fiche-embase . 5

Tableau 1 – Valeurs de sévérité recommandées . 6

COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
Dispositifs d'interconnexion et composants passifs fibroniques -
Procédures fondamentales d'essais et de mesures -
Partie 2-2: Essais - Durabilité de l'accouplement

AVANT-PROPOS
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7) Aucune responsabilité ne doit être imputée à l'IEC, à ses administrateurs, employés, auxiliaires ou mandataires,
y compris ses experts particuliers et les membres de ses comités d'études et des Comités nationaux de l'IEC,
pour tout préjudice causé en cas de dommages corporels et matériels, ou de tout autre dommage de quelque
nature que ce soit, directe ou indirecte, ou pour supporter les coûts (y compris les frais de justice) et les dépenses
découlant de la publication ou de l'utilisation de cette Publication de l'IEC ou de toute autre Publication de l'IEC,
ou au crédit qui lui est accordé.
8) L'attention est attirée sur les références normatives citées dans cette publication. L'utilisation de publications
référencées est obligatoire pour une application correcte de la présente publication.
9) L'IEC attire l'attention sur le fait que la mise en application du présent document peut entraîner l'utilisation d'un
ou de plusieurs brevets. L'IEC ne prend pas position quant à la preuve, à la validité et à l'applicabilité de tout
droit de brevet revendiqué à cet égard. À la date de publication du présent document, l'IEC n'a pas reçu
notification qu'un ou plusieurs brevets pouvaient être nécessaires à sa mise en application. Toutefois, il y a lieu
d'avertir les responsables de la mise en application du présent document que des informations plus récentes
sont susceptibles de figurer dans la base de données de brevets, disponible à l'adresse https://patents.iec.ch.
L'IEC ne saurait être tenue pour responsable de ne pas avoir identifié de tels droits de brevets.
L'IEC 61300-2-2 a été établie par le sous-comité 86B: Dispositifs d'interconnexion et
composants passifs fibroniques, du comité d'études 86 de l'IEC: Fibronique. Il s'agit d'une
Norme internationale.
Cette quatrième édition annule et remplace la troisième édition parue en 2009. Cette édition
constitue
...