Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 20: Type LC connector family (IEC 61754-20:2012)

This International Standard defines the standard interface dimensions for the type LC family of connectors.

Lichtwellenleiter - Verbindungselemente und passive Bauteile - Steckgesichter von Lichtwellenleiter-Steckverbindern - Teil 20: Steckverbinderfamilie der Bauart LC (IEC 61754-20:2012)

Dispositifs d'interconnexion et composants passifs à fibres optiques - Interfaces de connecteurs pour fibres optiques - Partie 20: Famille de connecteurs de type LC (CEI 61754-20:2012)

IEC 61754-20:2012 définit les dimensions des interfaces normalisées pour la famille des connecteurs de type LC. Cette deuxième édition annule et remplace la première édition parue en 2002. Elle constitue une révision technique. Les modifications par rapport à l’édition précédente consistent à reconsidérer l’ensemble du document et à ajouter l’interface IEC 61754-20-9 à IEC 61754-20-16 pour une fibre optique plastique (POF). Mots clés: connecteurs de type LC

Optični spojni elementi in pasivne komponente - Konektorski vmesniki optičnih vlaken - 20. del: Družina konektorjev tipa LC (IEC 61754-20:2012)

Mednarodni standard določa standardne dimenzije vmesnikov za družino konektorjev tipa LC.

General Information

Status
Published
Publication Date
23-Sep-2012
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
30-Aug-2012
Due Date
04-Nov-2012
Completion Date
24-Sep-2012

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SLOVENSKI STANDARD
SIST EN 61754-20:2012
01-oktober-2012
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SIST EN 61754-20:2004
2SWLþQLVSRMQLHOHPHQWLLQSDVLYQHNRPSRQHQWH.RQHNWRUVNLYPHVQLNLRSWLþQLK
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Fibre optic interconnecting devices and passive components - Fibre optic connector

interfaces - Part 20: Type LC connector family (IEC 61754-20:2012)

Lichtwellenleiter - Verbindungselemente und passive Bauteile - Steckgesichter von

Lichtwellenleiter-Steckverbindern - Teil 20: Steckverbinderfamilie der Bauart LC (IEC

61754-20:2012)

Dispositifs d'interconnexion et composants passifs à fibres optiques - Interfaces de

connecteurs pour fibres optiques - Partie 20: Famille de connecteurs de type LC (CEI

61754-20:2012)
Ta slovenski standard je istoveten z: EN 61754-20:2012
ICS:
33.180.20 3RYH]RYDOQHQDSUDYH]D Fibre optic interconnecting
RSWLþQDYODNQD devices
SIST EN 61754-20:2012 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 61754-20:2012
---------------------- Page: 2 ----------------------
SIST EN 61754-20:2012
EUROPEAN STANDARD
EN 61754-20
NORME EUROPÉENNE
August 2012
EUROPÄISCHE NORM
ICS 33.180.20 Supersedes EN 61754-20:2002
English version
Fibre optic interconnecting devices and passive components -
Fibre optic connector interfaces -
Part 20: Type LC connector family
(IEC 61754-20:2012)
Dispositifs d'interconnexion Lichtwellenleiter - Verbindungselemente
et composants passifs à fibres optiques - und passive Bauteile - Steckgesichter
Interfaces de connecteurs von Lichtwellenleiter- Steckverbindern -
pour fibres optiques - Teil 20: Steckverbinderfamilie
Partie 20: Famille de connecteurs der Bauart LC
de type LC (IEC 61754-20:2012)
(CEI 61754-20:2012)

This European Standard was approved by CENELEC on 2012-05-10. CENELEC members are bound to comply

with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard

the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on

application to the CEN-CENELEC Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other

language made by translation under the responsibility of a CENELEC member into its own language and notified

to the CEN-CENELEC Management Centre has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus,

the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany,

Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,

Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 61754-20:2012 E
---------------------- Page: 3 ----------------------
SIST EN 61754-20:2012
EN 61754-20:2012 - 2 -
Foreword

The text of document 86B/3343/FDIS, future edition 2 of IEC 61754-20, prepared by IEC/SC 86B

"Fibre optic interconnecting devices and passive components" was submitted to the IEC-CENELEC

parallel vote and approved by CENELEC as EN 61754-20:2012.
The following dates are fixed:
(dop) 2013-02-10
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2013-05-10
• latest date by which the national
standards conflicting with the
document have to be withdrawn
This document supersedes EN 61754-20:2002.

EN 61754-20:2012 includes the following significant technical changes with respect to

EN 61754-20:2002:

The changes are to reconsider the whole document and to add Interface IEC 61754-20-9 to

IEC 61754-20-16 for plastic optical fibre (POF).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such

patent rights.
Endorsement notice

The text of the International Standard IEC 61754-20:2012 was approved by CENELEC as a European

Standard without any modification.

In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 60793-2-40 NOTE Harmonised as EN 60793-2-40.
IEC 60794-2-50 NOTE Harmonised as EN 60794-2-50.
---------------------- Page: 4 ----------------------
SIST EN 61754-20:2012
- 3 - EN 61754-20:2012
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD

applies.
Publication Year Title EN/HD Year
IEC 61755-3 Series Fibre optic interconnecting devices and EN 61755-3 Series
passive components - Fibre optic connector
optical interfaces
---------------------- Page: 5 ----------------------
SIST EN 61754-20:2012
---------------------- Page: 6 ----------------------
SIST EN 61754-20:2012
IEC 61754-20
Edition 2.0 2012-04
INTERNATIONAL
STANDARD
Fibre optic interconnecting devices and passive components – Fibre optic
connector interfaces –
Part 20: Type LC connector family
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
ICS 33.180.20 ISBN 978-2-88912-986-7

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

® Registered trademark of the International Electrotechnical Commission
---------------------- Page: 7 ----------------------
SIST EN 61754-20:2012
– 2 – 61754-20 © IEC:2012(E)
CONTENTS

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

INTRODUCTION ..................................................................................................................... 5

1 Scope ............................................................................................................................... 6

2 Normative references........................................................................................................ 6

3 Description ....................................................................................................................... 6

4 Interfaces ......................................................................................................................... 6

Annex A (informative) Additional adaptor dimensional information......................................... 22

Bibliography .......................................................................................................................... 26

Figure 1 – Plug connector interface reference planes .............................................................. 8

Figure 2 – Detail A of Figure 1 – Plug connector interface – Expanded view drawings

not-to-scale ............................................................................................................................. 9

Figure 3 – Plug connector interface ....................................................................................... 10

Figure 4 – APC plug connector interface ................................................................................ 11

Figure 5 – Duplex plug interface ............................................................................................ 12

Figure 6 – Simplex adaptor interface ..................................................................................... 14

Figure 7 – Junior (Jr.) adaptor interface (optional – note g of Table 3) ................................... 15

Figure 8 – Duplex adaptor interface ....................................................................................... 16

Figure 9 – Active device receptacle interface ......................................................................... 18

Figure 10 – Duplex active device receptacle interface ............................................................ 19

Figure 11 – Pin gauge for active device receptacle ................................................................ 20

Figure A.1 – Simplex adaptor ................................................................................................ 22

Figure A.2 – Duplex square flange adaptor ............................................................................ 23

Figure A.3 – Duplex rectangular flange adaptor ..................................................................... 24

Figure A.4 –Quad rectangular flange adaptor ......................................................................... 25

Table 1 – Plug to Adaptor/Receptacle Intermateability ............................................................. 7

Table 2 – Plug to Plug Intermateability ..................................................................................... 8

Table 3 – Dimensions of the plug connector interface ............................................................ 12

Table 4 – Plug connector interface – Ferrule grade ................................................................ 13

Table 5 – Dimensions of the adaptor interface ....................................................................... 16

Table 6 – Dimensions of the active device receptacle ............................................................ 19

Table 7 – Active device receptacle interface – Alignment sleeve grade .................................. 20

Table 8 – Pin gauge grade .................................................................................................... 21

Table A.1 – Dimensions of simplex adaptor ........................................................................... 22

Table A.2 – Dimensions of duplex square flange adaptor ....................................................... 23

Table A.3 – Dimensions of duplex rectangular flange adaptor ................................................ 24

Table A.4 – Dimensions for quad rectangular flange adaptor ................................................. 25

---------------------- Page: 8 ----------------------
SIST EN 61754-20:2012
61754-20 © IEC:2012(E) – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS –
FIBRE OPTIC CONNECTOR INTERFACES –
Part 20: Type LC connector family
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.

International Standard IEC 61754-20 has been prepared by subcommittee SC86B: Fibre optic

interconnecting devices and passive components.

This second edition cancels and replaces the first edition published in 2002. It constitutes a

technical revision. The changes with respect to the previous edition are to reconsider the whole

document and to add Interface IEC 61754-20-9 to IEC 61754-20-16 for a plastic optical fibre

(POF).
---------------------- Page: 9 ----------------------
SIST EN 61754-20:2012
– 4 – 61754-20 © IEC:2012(E)
The text of this standard is based on the following documents:
FDIS Report on voting
86B/3343/FDIS 86B/3393/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

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

The list of all parts of IEC 61754 series, published under the general title, Fibre optic

interconnecting and passive components – Fibre optic connector interfaces can be found on

the IEC website.

Future standards in this series will carry the new general title as cited above. Titles of existing

standards in this series will be updated at the time of the next edition.

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

stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data related to

the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.
---------------------- Page: 10 ----------------------
SIST EN 61754-20:2012
61754-20 © IEC:2012(E) – 5 –
INTRODUCTION

The International Electrotechnical Commission (IEC) draws attention to the fact that it is

claimed that compliance with this document may involve the use of a patent concerning

IEC 61754-20.

IEC takes no position concerning the evidence, validity and scope of this patent right.

The holder of this patent right has assured the IEC that he/she is willing to negotiate licences

under reasonable and non-discriminatory terms and conditions with applicants throughout the

world. In this respect, the statement of the holder of this patent right is registered with IEC.

Information may be obtained from:
OFS Fitel LLC, Inc.,
2000 NE Expressway,
Norcross, GA 30071
USA

Attention is drawn to the possibility that some of the elements of this document may be the

subject of patent rights other than those identified above. IEC shall not be held responsible for

identifying any or all such patent rights.

ISO (www.iso.org/patents) and IEC (http://www.iec.ch/tctools/patent_decl.htm) maintain on-line

data bases of patents relevant to their standards. Users are encouraged to consult the data

bases for the most up to date information concerning patents.
---------------------- Page: 11 ----------------------
SIST EN 61754-20:2012
– 6 – 61754-20 © IEC:2012(E)
FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS –
FIBRE OPTIC CONNECTOR INTERFACES –
Part 20: Type LC connector family
1 Scope

This International Standard defines the standard interface dimensions for the type LC family of

connectors.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and

are indispensable for its application. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments)

applies.

IEC 61755-3 series, Fibre optic interconnecting devices and passive components – Fibre optic

connector optical interfaces
3 Description

The parent connector for type LC connector family is a simplex plug connector set of

plug/adaptor/plug configuration which is characterized by:

• A 1,25 mm nominal diameter ferrule or, in the case of 1 mm OD POF, the fibre acts as the

ferrule.

• The connector includes a single coupling latch and a ferrule spring loaded in the direction

of the optical axis

• The plug has a single male key, which may be used to orient and limit the relative position

between the connector and the component to which it is mated.
• The optical alignment mechanism of the connec
...

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