Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 1: General and guidance

IEC 61300-1:2022 is available as IEC 61300-1:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61300-1:2022 provides general information and guidance for the basic test and measurement procedures defined in IEC 61300-2 (all parts) and IEC 61300-3 (all parts) for interconnecting devices, passive components, mechanical splices, fusion splice protectors, fibre management systems and protective housings. This document is used in combination with the relevant specification which defines the tests to be used, the required degree of severity for each of them, their sequence, if relevant, and the permissible performance limits. In the event of conflict between this document and the relevant specification, the latter takes precedence. This fifth edition cancels and replaces the fourth edition published in 2016. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- addition of the information of measurement uncertainties in 4.2.1;
- change of the requirements for attenuation variation in 4.2.2;
- addition of the multimode launch conditions of other fibres than A1-OM2, A1-OM3, A1-OM4, A1-OM5 and A3e in 10.4;
- addition of the multimode launch conditions of the planer waveguide in 10.6;
- splitting Annex A for EF and Annex B for EAF;
- correction of errors in the definitions of encircled flux and encircled angular flux.

Dispositifs d'interconnexion et composants passifs fibroniques - Procédures fondamentales d'essais et de mesures - Partie 1: Généralités et recommandations

IEC 61300-1:2022 est disponible sous forme de IEC 61300-1:2022 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.L'IEC 61300-1:2022 donne des informations d'ordre général et des recommandations concernant les procédures fondamentales d’essai et de mesure définies dans l'IEC 61300-2 (toutes les parties) et l'IEC 61300-3 (toutes les parties) et applicables aux dispositifs d'interconnexion, aux composants passifs, aux épissures mécaniques, aux protecteurs d'épissures par fusion, aux systèmes de gestion des fibres et aux boîtiers de protection. Le présent document est utilisé avec la spécification applicable qui définit les essais à réaliser, le degré de sévérité exigé pour chacun d’eux, l'ordre dans lequel ils sont effectués, le cas échéant, et les limites des performances admissibles. Si le présent document et la spécification applicable sont en contradiction, c’est cette dernière qui prévaut. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- ajout d'informations sur les incertitudes de mesure en 4.2.1;
- modification des exigences pour la variation d'affaiblissement en 4.2.2;
- ajout des conditions d’injection en multimodal des fibres autres que A1-OM2, A1-OM3,
- A1-OM4, A1-OM5 et A3e en 10.4;
- ajout des conditions d’injection en multimodal du guide d'onde plan en 10.6;
- séparation de l'Annexe A pour l’EF et de l'Annexe B pour l’EAF;
- correction d'erreurs dans les définitions du flux inscrit et du flux angulaire inscrit.

General Information

Status
Published
Publication Date
03-Apr-2022
Current Stage
PPUB - Publication issued
Completion Date
04-Apr-2022
Ref Project

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IEC 61300-1
Edition 5.0 2022-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures –
Part 1: General and guidance
Dispositifs d'interconnexion et composants passifs fibroniques – Procédures
fondamentales d'essais et de mesures –
Partie 1: Généralités et recommandations
IEC 61300-1:2022-04(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 61300-1
Edition 5.0 2022-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures –
Part 1: General and guidance
Dispositifs d'interconnexion et composants passifs fibroniques – Procédures
fondamentales d'essais et de mesures –
Partie 1: Généralités et recommandations
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.20 ISBN 978-2-8322-1093-9

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 61300-1:2022 © IEC 2022
CONTENTS

FOREWORD ........................................................................................................................... 4

INTRODUCTION ..................................................................................................................... 6

1 Scope .............................................................................................................................. 7

2 Normative references ...................................................................................................... 7

3 Terms, definitions and abbreviated terms ........................................................................ 8

3.1 Terms and definitions .............................................................................................. 8

3.2 Abbreviated terms ................................................................................................. 11

4 Requirements for IEC 61300-2 (all parts) and IEC 61300-3 (all parts) ............................ 11

4.1 Requirements for IEC 61300-2 (all parts) (tests) ................................................... 11

4.2 Requirements for IEC 61300-3 (all parts) (examinations and measurement

procedures) .......................................................................................................... 11

4.2.1 General requirements .................................................................................... 11

4.2.2 Requirements for attenuation variation .......................................................... 11

5 Standard atmospheric conditions ................................................................................... 12

6 Significance of the numerical value of a quantity ........................................................... 12

6.1 General ................................................................................................................. 12

6.2 Quantity expressed as nominal value with tolerance ............................................. 12

6.3 Quantity expressed as a range of values............................................................... 13

7 Graphical symbols and terminology ............................................................................... 13

8 Safety ............................................................................................................................ 14

9 Calibration ..................................................................................................................... 14

9.1 General ................................................................................................................. 14

9.2 Round robin calibration procedure ........................................................................ 14

10 Launch conditions.......................................................................................................... 14

10.1 General ................................................................................................................. 14

10.2 Multimode launch conditions for A1 fibres ............................................................. 15

10.3 Multimode launch conditions for A3e fibre ............................................................. 15

10.4 Multimode launch conditions for the other multimode fibres .................................. 16

10.5 Single-mode launch conditions.............................................................................. 16

10.6 Multimode planar waveguide launch conditions ..................................................... 16

Annex A (normative) Multimode launch condition requirement for measuring

attenuation of components terminated on IEC 60793-2-10 type A1 fibres .............................. 17

A.1 General ................................................................................................................. 17

A.2 Technical background ........................................................................................... 17

A.3 EF template .......................................................................................................... 17

A.3.1 Applicable types of optical fibres ................................................................... 17

A.3.2 Encircled flux ................................................................................................. 17

A.3.3 EF template example ..................................................................................... 17

A.4 Target launch and upper and lower tolerance bands for attenuation

measurements of A1-OM2 to A1-OM5 and A1-OM1 optical fibre connections ........ 18

A.4.1 General ......................................................................................................... 18

A.4.2 Limits on EF .................................................................................................. 18

Annex B (normative) Multimode launch condition requirement for measuring

attenuation of components terminated on IEC 60793-2-30 type A3e fibres ............................ 20

B.1 EAF template ........................................................................................................ 20

B.1.1 Applicable types of optical fibres ................................................................... 20

---------------------- Page: 4 ----------------------
IEC 61300-1:2022 © IEC 2022 – 3 –

B.1.2 Encircled angular flux .................................................................................... 20

B.1.3 EAF template example ................................................................................... 20

B.2 Target launch and upper and lower tolerance bands for attenuation

measurements of A3e optical fibre connections..................................................... 20

B.2.1 General ......................................................................................................... 20

B.2.2 Limits on EAF ................................................................................................ 21

Bibliography .......................................................................................................................... 22

Figure A.1 – Encircled flux template example ........................................................................ 18

Figure B.1 – Encircled angular flux template example ........................................................... 20

Table 1 – Standard atmospheric conditions ........................................................................... 12

Table 2 – Expected variation of attenuation due to mode variation of single

connections for A1-OM2, A1-OM3, A1-OM4 and A1-OM5 fibres ............................................ 15

Table 3 – Expected variation of attenuation due to mode variation of single

connections for A3e fibre ...................................................................................................... 16

Table A.1 – EF requirements for 50 µm core fibre at 850 nm ................................................ 18

Table A.2 – EF requirements for 50 µm core fibre at 1 300 nm .............................................. 19

Table A.3 – EF requirements for 62,5 µm fibre at 850 nm ..................................................... 19

Table A.4 – EF requirements for 62,5 µm fibre at 1 300 nm .................................................. 19

Table B.1 – EAF requirements for NA of 0,37 and 200 µm core fibre at 850 nm .................... 21

---------------------- Page: 5 ----------------------
– 4 – IEC 61300-1:2022 © IEC 2022
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING
DEVICES AND PASSIVE COMPONENTS –
BASIC TEST AND MEASUREMENT PROCEDURES –
Part 1: General and guidance
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,

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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

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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

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6) All users should ensure that they have the latest edition of this publication.

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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) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent

rights. IEC shall not be held responsible for identifying any or all such patent rights.

IEC 61300-1 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 fifth edition cancels and replaces the fourth edition published in 2016. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:
a) addition of the information of measurement uncertainties in 4.2.1;
b) change of the requirements for attenuation variation in 4.2.2;

c) addition of the multimode launch conditions of other fibres than A1-OM2, A1-OM3, A1-OM4,

A1-OM5 and A3e in 10.4;
d) addition of the multimode launch conditions of the planar waveguide in 10.6;
---------------------- Page: 6 ----------------------
IEC 61300-1:2022 © IEC 2022 – 5 –
e) splitting Annex A for EF and Annex B for EAF;

f) correction of errors in the definitions of encircled flux and encircled angular flux.

The text of this International Standard is based on the following documents:
Draft Report on voting
86B/4582/FDIS 86B/4602/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/standardsdev/publications.

A list of all parts in the IEC 61300 series, published under the general title, Fibre optic

interconnecting 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,
• replaced by a revised edition, or
• amended.
---------------------- Page: 7 ----------------------
– 6 – IEC 61300-1:2022 © IEC 2022
INTRODUCTION

The publications in IEC 61300 series [1] contain information on mechanical and environmental

testing procedures and measurement procedures relating to fibre optic interconnecting devices

and passive components. They are intended to be used to achieve uniformity and reproducibility

in environmental testing procedures and measurement procedures.
The term "test procedure" refers to procedures commonly known as mechanical and

environmental tests. The expressions "environmental conditioning" and "environmental testing"

refer to the environments to which components or equipment may be exposed so that an

assessment may be made of their performance under the conditions of use, transport and

storage.

The term "measurement procedure" refers to those measurements which are necessary

to assess the physical and optical characteristics of a component and may also be used before,

during or after a test procedure to measure the effects of environmental conditioning or testing.

The return loss and attenuation tests are examples of measurement procedures.

The requirements for the performance of components or equipment subjected to the test and

measurement procedures described in this document are not included. The relevant
specification for the device under test defines the allowed performance limits.

When drafting a specification or purchase contract, only those tests which are necessary for

the relevant components or equipment taking into account the technical and economic aspects

should be specified.

The mechanical and environmental test procedures are contained in IEC 61300-2 (all parts)

and the measurement procedures in IEC 61300-3 (all parts). Each test or measurement

procedure is published as a stand-alone publication so that it may be modified, expanded or

cancelled without having an effect on any other test or measurement procedure. However, it

should be noted that, where practical, reference is made to other standards as opposed to

repeating all or part of already existing standards. As an example, the cold test for fibre optic

apparatus refers to IEC 60068-2-1 [2], but it also provides other needed information such as

purpose, recommended severities and a list of items to be specified.

Multiple methods may be contained in a test or measurement procedure. As an example,

several methods of measuring attenuation are contained in the attenuation measurement

procedure.

If more than one method is contained in a test or measurement procedure, the reference method

may be identified.

The tests in this document permit the performance of components or equipment to be compared.

To assess the overall quality of a production lot, the test procedures should be applied in

accordance with a suitable sampling plan and may be supplemented by appropriate additional

tests, if necessary.

To provide tests appropriate to the different intensities of an environmental condition, some of

the test procedures have a number of degrees of severity. These different degrees of severity are

obtained by varying the time, temperature or some other determining factor separately or in

combination.
___________
Numbers in square bracket refer to the Bibliography.
---------------------- Page: 8 ----------------------
IEC 61300-1:2022 © IEC 2022 – 7 –
FIBRE OPTIC INTERCONNECTING
DEVICES AND PASSIVE COMPONENTS –
BASIC TEST AND MEASUREMENT PROCEDURES –
Part 1: General and guidance
1 Scope

This part of IEC 61300 provides general information and guidance for the basic test and

measurement procedures defined in IEC 61300-2 (all parts) and IEC 61300-3 (all parts) for

interconnecting devices, passive components, mechanical splices, fusion splice protectors,

fibre management systems and protective housings.

This document is used in combination with the relevant specification which defines the tests to

be used, the required degree of severity for each of them, their sequence, if relevant, and the

permissible performance limits. In the event of conflict between this document and the relevant

specification, the latter takes precedence.
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 60050-731, International Electrotechnical Vocabulary – Part 731: Optical fibre

communication (available at www.electropedia.org)

IEC 60617, Graphical symbols for diagrams (available at http://std.iec.ch/iec60617)

IEC 60793-2-10, Optical fibres – Part 2-10: Product specifications – Sectional specification for

category A1 multimode fibres

IEC 60793-2-30, Optical fibres – Part 2-30: Product specifications – Sectional specification for

category A3 multimode fibres

IEC 60825-1, Safety of laser products – Part 1: Equipment classification and requirements

IEC 60825-2, Safety of laser products – Part 2: Safety of optical fibre communication systems

(OFCSs)

IEC 61280-1-4, Fibre optic communication subsystem test procedures – Part 1-4: General

communication subsystems – Light source encircled flux measurement method

IEC 61280-4-1, Fibre-optic communication subsystem test procedures – Part 4-1: Installed

cabling plant – Multimode attenuation measurement

IEC 61300-2 (all parts), Fibre optic interconnecting devices and passive components – Basic

test and measurement procedures – Part 2: Tests

IEC 61300-3 (all parts), Fibre optic interconnecting devices and passive components – Basic

test and measurement procedures – Part 3: Examinations and measurements
---------------------- Page: 9 ----------------------
– 8 – IEC 61300-1:2022 © IEC 2022

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 61300-3-35, Fibre optic interconnecting devices and passive components – Basic test and

measurement procedures – Part 3-35: Examinations and measurements – Visual inspection of

fibre optic connectors and fibre-stub transceivers
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1.1
test

technical operation that consists of the determination of one or more characteristics of a given

product, process or service according to a specified procedure and normally consists of the

following steps:
a) preparation (where required);
b) preconditioning (where required);
c) initial examination and measurement (where required);
d) conditioning;
e) recovery (where required);
f) final examination and measurement
3.1.2
device under test
DUT

interconnecting device, passive component, equipment or other item designated to be tested

3.1.3
preparation

preparing the DUT according to the manufacturer’s instructions or as specified in the relevant

specification
3.1.4
preconditioning

treatment of a DUT with the object of removing or partly counteracting the effects of its previous

environmental history or acclimatisation of the test specimen to standard atmospheric

conditions
3.1.5
conditioning

exposure of a DUT to environmental or mechanical conditions for a specified duration in order

to determine the effects of such conditions on the DUT
3.1.6
recovery

treatment of a DUT after conditioning in order that the properties of the DUT may stabilise

before measurement
---------------------- Page: 10 ----------------------
IEC 61300-1:2022 © IEC 2022 – 9 –
3.1.7
examination

visual and/or mechanical inspection of a DUT made with or without the use of special equipment

Note 1 to entry: Examination is usually carried out before and after the test, and/or during the test.

3.1.8
measurement

process of obtaining one or more values that can reasonably be attributed to a quantity

[SOURCE: IEC 60050-112:2010, 112-04-01, modified – The adverb "experimentally" has been

removed from the definition, as well as the notes.]
3.1.9
uncertainty of measurement
quantified doubt about the result of a measurement
Note 1 to entry: ISO/IEC Guide 98-3:2008 [3] defines uncertainty of measurement.

Note 2 to entry: IEC TR 61282-14 [4] provides the information of measurement uncertainties.

3.1.10
encircled flux

fraction of cumulative near-field power to the total output power as a function of radial distance

from the optical centre of the core, defined by Formula (1):
xI ( x)dx
EF()r =
(1)
xI x dx
( )
where
I(x) is the near-field intensity profile as a function of radial position x;
R is the maximum range of integration

Note 1 to entry: The encircled flux shall be measured according to IEC 61280-1-4.

3.1.11
encircled angular flux
EAF

fraction of cumulative far-field power to the total output power as a function of incident angle θ

from the optical central axis of the far-field pattern, defined by Formula (2):
2πθ′
sinθ
( )
I θ,φ dθdφ
( )
∫ ∫ 3
cos θ
( )
EAF θ′ =
( ) (2)
2πθ sinθ
( )
max
I (θ,φ) dθdφ
∫ ∫
cos θ
( )
where

I(θ,φ) is the far-field intensity profile as a function of radial angle and circular angle;

r is the radial distance from the origin corresponding to an angle between one ray emitted

from the multimode waveguide and the optical axis of the multimode waveguide,
calculated by d tanθ;
φ is a circular angle in polar coordinates;
---------------------- Page: 11 ----------------------
– 10 – IEC 61300-1:2022 © IEC 2022

θ is an angle between one ray emitted from the multimode waveguide and the optical axis;

θ is the maximum ray angle, which is approximately 30° for category A3 multimode fibre

max
for example;

is the distance between the end of multimode optical waveguide and far field pattern

(FFP) screen.

Note 1 to entry: The encircled angular flux is measured according to IEC 61300-3-53 [5].

3.1.12
differential mode attenuation
DMA
variation in attenuation among the p
...

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