Fibre optic interconnecting devices and passive components - Ferrule assembly and fusion splicer interface dimensions for a fusion splice on connector

IEC TS 62965:2016 which is a Technical Specification, specifies a minimum set of dimensional requirements for fusion splice on connectors (FSOCs) ferrule assemblies and the interface dimensions of splicing tools to ensure that a compliant ferrule assembly is compatible with a compliant fusion splicer. This fusion splicer interface also provides an example of the dimensional requirements for a universal holder, into which an FSOC can be mounted. This fusion splicer interface applies to FSOCs with a cylindrical ferrule of 2,5 mm diameter or 1,25 mm diameter. Keywords: FSOC, fusion splicer interface

Dispositifs d'interconnexion et composants passifs à fibres optiques - Dimensions de la férule équipée et de l'interface de l'épissureur par fusion relatives à une épissure par fusion sur connecteur

L'IEC TS 62965:2016 qui est une Spécification technique, spécifie un ensemble minimal d'exigences dimensionnelles relatives aux férules équipées pour les épissures par fusion sur connecteurs (FSOC) et les dimensions de l'interface des outils d'épissurage, afin de s'assurer qu'une férule équipée conforme est compatible avec un épissureur par fusion conforme. Cette interface d'épissureur par fusion fournit également un exemple des exigences dimensionnelles relatives à un support universel, dans lequel peut être monté un FSOC. Cette interface d'épissureur par fusion s'applique aux FSOC dont la férule cylindrique mesure 2,5 mm ou 1,25 mm de diamètre. Mots clés: FSOC, interface d'épissureur par fusion

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Status
Published
Publication Date
25-Oct-2016
Current Stage
PPUB - Publication issued
Completion Date
26-Oct-2016
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IEC TS 62965
Edition 1.0 2016-10
TECHNICAL
SPECIFICATION
SPECIFICATION
TECHNIQUE
Fibre optic interconnecting devices and passive components –
Ferrule assembly and fusion splicer interface dimensions for a fusion splice on
connector
Dispositifs d'interconnexion et composants passifs à fibres optiques –
Dimensions de la férule équipée et de l'interface de l'épissureur par fusion
relatives à une épissure par fusion sur connecteur
IEC TS 62965:2016-10(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC TS 62965
Edition 1.0 2016-10
TECHNICAL
SPECIFICATION
SPECIFICATION
TECHNIQUE
Fibre optic interconnecting devices and passive components –
Ferrule assembly and fusion splicer interface dimensions for a fusion splice on
connector
Dispositifs d'interconnexion et composants passifs à fibres optiques –
Dimensions de la férule équipée et de l'interface de l'épissureur par fusion
relatives à une épissure par fusion sur connecteur
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.20 ISBN 978-2-8322-3699-4

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 TS 62965:2016 © IEC 2016
CONTENTS

FOREWORD ........................................................................................................................... 3

1 Scope .............................................................................................................................. 5

2 Normative references ...................................................................................................... 5

3 Terms and definitions ...................................................................................................... 5

4 Description ...................................................................................................................... 6

5 Interfaces ........................................................................................................................ 6

5.1 General ................................................................................................................... 6

5.2 Dimensions of the ferrule assembly ........................................................................ 6

5.3 Fusion splicer interface ........................................................................................... 7

Annex A (informative) An example of a universal holder interface ......................................... 8

Bibliography .......................................................................................................................... 10

Figure 1 – Ferrule assembly dimensions ................................................................................. 6

Figure 2 – Fusion splicer interface .......................................................................................... 7

Figure A.1 – An example of a universal holder interface .......................................................... 8

Table 1 – Dimensions for a 2,5 mm diameter cylindrical ferrule assembly ............................... 6

Table 2 – Dimensions for a 1,25 mm diameter cylindrical ferrule assembly ............................. 7

Table 3 – Dimensions for the fusion splicer interface .............................................................. 7

Table A.1 – Dimensions for the universal holder example interface for a ferrule

assembly with a 2,5 mm diameter cylindrical ferrule ................................................................ 9

Table A.2 – Dimensions for the universal holder example interface for a ferrule

assembly with a 1,25 mm diameter cylindrical ferrule .............................................................. 9

---------------------- Page: 4 ----------------------
IEC TS 62965:2016 © IEC 2016 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS –
Ferrule assembly and fusion splicer interface
dimensions for a fusion splice on connector
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

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

The main task of IEC technical committees is to prepare International Standards. In

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specification when

• the required support cannot be obtained for the publication of an International Standard,

despite repeated efforts, or

• the subject is still under technical development or where, for any other reason, there is the

future but no immediate possibility of an agreement on an International Standard.

Technical specifications are subject to review within three years of publication to decide

whether they can be transformed into International Standards.

IEC TS 62965, which is a Technical Specification, has been prepared by subcommittee 86B:

Fibre optic interconnecting devices and passive components, of IEC technical committee 86:

Fibre optics.
---------------------- Page: 5 ----------------------
– 4 – IEC TS 62965:2016 © IEC 2016
The text of this Technical Specification is based on the following documents:
Enquiry draft Report on voting
86B/3971/DTS 86B/3986/RVC

Full information on the voting for the approval of this technical specification can be found in

the report on voting indicated in the above table.

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

The committee has decided that the contents of this publication will remain unchanged until

the stability date indicated on the IEC website under "http://webstore.iec.ch" in the data

related to the specific publication. At this date, the publication will be
• transformed into an International standard,
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
---------------------- Page: 6 ----------------------
IEC TS 62965:2016 © IEC 2016 – 5 –
FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS –
Ferrule assembly and fusion splicer interface
dimensions for a fusion splice on connector
1 Scope

IEC TS 62965, which is a Technical Specification, specifies a minimum set of dimensional

requirements for fusion splice on connectors (FSOCs) ferrule assemblies and the interface

dimensions of splicing tools to ensure that a compliant ferrule assembly is compatible with a

compliant fusion splicer. This fusion splicer interface also provides an example of the

dimensional requirements for a universal holder, into which an FSOC can be mounted. This

fusion splicer interface applies to FSOCs with a cylindrical ferrule of 2,5 mm diameter or

1,25 mm diameter.
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.
There are no normative references in this document.
3 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
ferrule assembly

component of an FSOC, which consists of a factory polished cylindrical ferrule, a flange and a

pre-installed fibre fixed to the ferrule
3.2
fusion splice on connector
FSOC

optical connector which can be installed in the field by fusion splicing the pre-installed fibre of

the ferrule assembly onto the fibre to be terminated
3.3
pre-installed fibre

portion of optical fibre where one end is fixed to the ferrule and factory polished with the

endface of the ferrule, and the another end extends out of the flange and has a cleaved

endface
---------------------- Page: 7 ----------------------
– 6 – IEC TS 62965:2016 © IEC 2016
4 Description

This fusion splicer interface defines the minimum dimensional limits and relative locations of

an FSOC ferrule assembly within a fusion splicer to ensure that the fusion splicer is able to

complete the splicing process.

This document also provides information on an example universal holder to accommodate the

FSOC ferrule assembly. Other FSOC components such as connector housings, dust caps or

reinforcing sleeve do not affect the compatibility, so their dimensions are not addressed in this

fusion splicer interface.

It should be noted that this fusion splicer interface ensures only the compatibility between the

FSOC ferrule assembly and fusion splicing tools, and does not ensure the compatibility of

FSOC components of different models.
5 Interfaces
5.1 General

This document defines a minimum set of dimensional requirements for the ferrule assembly

and the fusion splicer. The dimensions of the ferrule assembly are given in Figure 1 and

Table 1 (for the 2,5 mm diameter type) and Table 2 (for the 1,25 mm diameter type). The

interface of the fusion splicer is given in Figure 2 and Table 3.
5.2 Dimensions of the ferrule assembly
C B
f f
Fibre
Ferrule
Buffer
Flange
IEC
Figure 1 – Ferrule assembly dimensions
Table 1 – Dimensions for a 2,5 mm diameter cylindrical ferrule assembly
Dimensions in millimetres
Reference Dimensions Remarks
Minimum Maximum
A 4,7 11,75 Length of the bare fibre portion
B 9,65 16,2
C – 11,5 The boundary between B and C is at the rear
f f f
end of the largest flange
D – 5,6 The overall dimension of the flange
– 3,35
A shall be less than B .
f f
---------------------- Page: 8 ----------------------
IEC TS 62965:2016 © IEC 2016 – 7 –
Table 2 – Dimensions for a 1,25 mm diameter cylindrical ferrule assembly
Dimensions in millimetres
Reference Dimensions Remarks
Minimum Maximum
A 4,7 11,75 Length of the bare fibre portion
B 8,3 15,2
C – 7,65 The boundary between B and C is at the rear
f f f
end of the largest flange
D – 5,25 The overall dimension of the flange
E – 2,55
A shall be less than B
f f
5.3 Fusion splicer interface
Fibre alignment block
A-A
Top view
Area to be reserved
for ferrule assembly holders
Electrode Fibre centre Holder stage
IEC
Figure 2 – Fusion splicer interface
Table 3 – Dimensions for the fusion splicer interface
Dimensions in millimetres
Reference Dimensions Remarks
Minimum Maximum
A 3,5 4,6
D 3,5 – Applicable vertical position of the fibre from
the top surface of the area for holders

The area to be reserved for ferrule assembly holders shall be ≥ 11,5 mm in length and ≥ 5,6 mm in width and

≥ 2,8 mm in depth (except for the structure for aligning and/or fixing the holder) to accommodate all ferrule

assemblies compliant with this document.
---------------------- Page: 9 ----------------------
– 8 – IEC TS 62965:2016 © IEC 2016
Annex A
(informative)
An example of a universal holder interface

Typically, each FSOC model has its original holder interface, i.e. a combination of a dedicated

ferrule assembly holder design and one of its applicable fusion splicer models, so that the

installation is optimised. This annex is provided as a guideline for users who plan to

design/use a universal holder for various FSOC ferrule assemblies. It should be noted that the

use of a universal holder may adversely affect the installation of the FSOC ferrule assembly in

comparison to using the original purpose-designed ferrule holder, but not the performance of

the assembled FSOC.

In conjunction with Figure A.1, examples of two universal holder interfaces are given in

Table A.1 (for a 2,5 mm diameter ferrule type) and in Table A.2 (for a 1,25 mm ferrule type).

These two examples are provided as sets of dimensional limits for a combination of the

2,5 mm or 1,25 mm ferrule assembly holders and the fusion splicer. Universal holders

complying with these interfaces can accommodate any of the ferrule assemblies with their

corresponding ferrule diameters as specified in this document.

In Figure A.1, dimension B varies during the fusion splicing process as the holder stage of

the fusion splicer moves. In this fusion splicer interface, the B basic dimension is defined as

the distance at the time of fusion splicing. Any value greater than B basic is allowed for B

h h

before the holder stage moves, as long as B can become equal to B basic at some point

h h
within the range of the holder stage movement.

The minimum limits for C and E have some margin against corresponding maximum limits

h h

for the ferrule assembly, C and E , respectively, shown in Figure 1. These margins allow

f f

positional adjustment of the ferrule assembly in its holder to achieve fibre end placement

between the electrodes and the fibre alignment block prior to fusion splicing.

This fusion splicer inter face does not define the means to fix the ferrule assembly holder onto

the fusion splicer holder stage.
Reference plane
Fibre alignment block
C B
h h
Area to be reserved
for ferrule assembly
Electrode
Ferrule assembly holder
Holder stage
IEC
Figure A.1 – An example of a universal holder interface
---------------------- Page: 10 ----------------------
IEC TS 62965:2016 © IEC 2016 – 9 –
Table A.1 – Dimensions for the universal holder example interface
for a ferrule assembly with a 2,5 mm diameter cylindrical ferrule
Dimensions in millimetres
Reference Dimensions Remarks
Minimum Basic Maximum
B At the time of fusion splicing
C 18,1 50
D 5,6 10
E 9,9 50

The fusion splicer shall allow sufficient movement in order to be capable of aligning the cleaved fibre end with

the electrode plane.

B is the distance between the reference plane of the ferrule assembly holder and the electrode plane at the time

of fusion splicing.
B is variable corresponding to the ferrule assembly to be used.

B basic is defined as the minimum B value the holder interface in consideration can have, and it equals to B

h h f
minimum of the ferrule assembly the holder interface can accept.

For example, to accept all ferrule assemblies compliant with this document, B basic is 9,65 mm for 2,5 mm

diameter cylindrical ferrule models.
Table A.2 – Dimensions for the universal holder example interface for a ferrule
assembly with a 1,25 mm diameter cylindrical ferrule
Dimensions in millimetres
Reference Dimensions Remarks
Minimum Basic Maximum
B At the time of fusion splicing
C 14,6 50
D 5,25 10
E 9,5 50

The fusion splicer shall allow sufficient movement in order to be capable of aligning the cleaved fibre end with

the electrode plane.

B is the distance between the reference plane of the ferrule assembly holder and the electrode plane at the time

of fusion splice.
B is variable corresponding to the ferrule assembly to be used.

B basic is defined as the minimum B value the holder interface in consideration can have, and it equals to B

h h f
minimum of the ferrule assembly the holder interface can accept.

For example, to accept all ferrule assemblies compliant with this document, B basic is 8,3 mm for 1,25 mm

diameter cylindrical ferrule models.
---------------------- Page: 11 ----------------------
– 10 – IEC TS 62965:2016 © IEC 2016
Bibliography

IEC 60050-731, International Electrotechnical Vocabulary – Chapter 731: Optical fibre

communication

IEC 61073-1, Fibre optic interconnecting devices and passive components – Mechanical

splices and fusion splice protectors for optical fibres and cables – Part 1: Generic

specification
___________
---------------------- Page: 12 ----------------------
– 12 – IEC TS 62965:2016 © IEC 2016
SOMMAIRE

AVANT-PROPOS .................................................................................................................. 13

1 Domaine d’application ................................................................................................... 15

2 Références normatives .................................................................................................. 15

3 Termes et définitions ..................................................................................................... 15

4 Description .................................................................................................................... 16

5 Interfaces ...................................................................................................................... 16

5.1 Généralités ........................................................................................................... 16

5.2 Dimensions de la férule équipée ........................................................................... 16

5.3 Interface de l'épissureur de fusion ........................................................................ 17

Annexe A (informative) Exemple d'interface d'un support universel ..................................... 19

Bibliographie ......................................................................................................................... 22

Figure 1 – Dimensions de la férule équipée .......................................................................... 16

Figure 2 – Interface de l'épissureur par fusion ...................................................................... 17

Figure A.1 – Exemple d'interface du support universel .......................................................... 20

Tableau 1 – Dimensions de la férule équipée cylindrique de 2,5 mm de diamètre ................. 17

Tableau 2 – Dimensions relatives à une férule équipée cylindrique de 1,25 mm de

diamètre ............................................................................................................................... 17

Tableau 3 – Dimensions relatives à l'interface de l'épissureur par fusion .............................. 18

Tableau A.1 – Dimensions relatives à l'interface citée en exemple du support universel

pour une férule équipée comportant une férule cylindrique de 2,5 mm de diamètre ............... 20

Tableau A.2 – Dimensions relatives à l'interface citée en exemple du support universel

pour une férule équipée comportant une férule cylindrique de 1,25 mm de diamètre ............. 21

---------------------- Page: 13 ----------------------
IEC TS 62965:2016 © IEC 2016 – 13 –
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
DISPOSITIFS D'INTERCONNEXION ET COMPOSANTS
PASSIFS À FIBRES OPTIQUES –
Dimensions de la férule équipée et de l'interface de l'épissureur
par fusion relatives à une épissure par fusion sur connecteur
AVANT-PROPOS

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