1、Fibre optic interconnecting devices and passive components Fibre optic connector interfacesPart 31: Type N-FO connector familyBS EN 61754-31:2016BSI Standards PublicationNational forewordThis British Standard is the UK implementation of EN 61754-31:2016. It isidentical to IEC 61754-31:2016.The UK pa
2、rticipation in its preparation was entrusted by TechnicalCommittee GEL/86, Fibre optics, to Subcommittee GEL/86/2, Fibre opticinterconnecting devices and passive components.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purp
3、ort to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 87463 5ICS 33.180.20 Compliance with a British Standard cannot confer immunity fromlegal obligatio
4、ns.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 3.BZ 2016. Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61754-31:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61754-31 May 2016 ICS 33.180.
5、20 English Version Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 31: Type N-FO connector family (IEC 61754-31:2016) Dispositifs dinterconnexion et composants passifs fibres optiques - Interfaces de connecteurs fibres optiques - Partie 31: Famill
6、e de connecteurs de type N-FO (IEC 61754-31:2016) Lichtwellenleiter - Verbindungselemente und passive Bauteile - Steckgesichter von Lichtwellenleiter-Steckverbindern - Teil 31: Steckverbinderfamilie der Bauart N-FO (IEC 61754-31:2016) This European Standard was approved by CENELEC on 2016-02-23. CEN
7、ELEC 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
8、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 CE
9、N-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, Hungar
10、y, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique
11、 Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61754-31:2016 EBS EN 61754-31:2016EN 61754-31:2016 2 European fo
12、reword The text of document 86B/3961/FDIS, future edition 1 of IEC 61754-31, prepared by SC 86B “Fibre optic interconnecting devices and passive components“ of IEC/TC 86 “Fibre optics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61754-31:2016. The following dates are
13、 fixed: g120 latest date by which the document has to be implemented atnational level by publication of an identical nationalstandard or by endorsement(dop) 2016-11-23 g120 latest date by which the national standards conflicting withthe document have to be withdrawn(dow) 2019-02-23 Attention is draw
14、n 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 61754-31:2016 was approved by CENELEC as
15、a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 60794-2-50 NOTE Harmonized as EN 60794-2-50. BS EN 61754-31:2016EN 61754-31:2016 3 Annex ZA (normative) Normative references to international pu
16、blications 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 refer
17、enced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here
18、: www.cenelec.eu. Publication Year Title EN/HD Year IEC 61754-1 - Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 1: General and guidance EN 61754-1 - IEC 61755-3 series Fibre optic connector optical interfaces EN 61755-3 series BS EN 61754-31:201
19、6 2 IEC 61754-31:2016 g164 IEC 2016 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope 6 2 Normative references 6 3 Description 6 3.1 General . 6 3.2 Two way system . 6 3.3 Four way system . 6 4 Interfaces 7 5 Two way connector interface . 7 5.1 Two way plug connector interface . 7 5.2 Two way socket co
20、nnector interface 9 6 Four way connector interface . 11 6.1 Four way plug connector interface 11 6.2 Four way socket connector interface . 13 7 Endface geometry . 15 8 Ferrule grades . 16 9 Pin gauge for plug connector . 16 Bibliography 18 Figure 1 Two way plug connector (isometric view) . 7 Figure
21、2 Two way plug connector mating dimensions . 8 Figure 3 Two way socket connector (isometric view) 9 Figure 4 Two way socket connector mating dimensions . 10 Figure 5 Four way plug connector (isometric view) . 12 Figure 6 Four way plug connector mating dimensions 12 Figure 7 Four way socket connector
22、 (isometric view) . 13 Figure 8 Four way socket connector mating dimensions . 14 Figure 9 PC endface geometry (expanded view) 15 Figure 10 Pin gauge for plug connector 16 Table 1 Intermateability between plugs and sockets within the IEC 61754-31 series of interfaces 7 Table 2 Two way plug connector
23、dimensions . 9 Table 3 Two way socket connector dimensions 11 Table 4 Four way plug connector dimensions . 13 Table 5 Four way socket connector dimensions . 15 Table 6 Endface dimensions 16 Table 7 Ferrule grades . 16 Table 8 Pin gauge dimensions . 17 BS EN 61754-31:2016IEC 61754-31:2016 g164 IEC 20
24、16 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS FIBRE OPTIC CONNECTOR INTERFACES Part 31: Type N-FO connector family FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprisinga
25、ll national electrotechnical committees (IEC National Committees). The object of IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields. Tothis end and in addition to other activities, IEC publishes International Standards, Tec
26、hnical Specifications,Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IECPublication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interestedin the subject dealt with may participate in this preparatory work.
27、 International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closelywith the International Organization for Standardization (ISO) in accordance with conditions determined byagreement between the two organizations.2) The
28、formal decisions or agreements of IEC on technical matters express, as nearly as possible, an internationalconsensus of opinion on the relevant subjects since each technical committee has representation from allinterested IEC National Committees.3) IEC Publications have the form of recommendations f
29、or international use and are accepted by IEC NationalCommittees in that sense. While all reasonable efforts are made to ensure that the technical content of IECPublications is accurate, IEC cannot be held responsible for the way in which they are used or for anymisinterpretation by any end user.4) I
30、n order to promote international uniformity, IEC National Committees undertake to apply IEC Publicationstransparently to the maximum extent possible in their national and regional publications. Any divergencebetween any IEC Publication and the corresponding national or regional publication shall be
31、clearly indicated inthe latter.5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformityassessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for anyservices carried out by independent certification b
32、odies.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 andmembers of its technical committees and IEC National Committees for any personal injury, property
33、 damage orother damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) andexpenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IECPublications.8) Attention is drawn to the Normative references cited in this pub
34、lication. Use of the referenced publications isindispensable 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 ofpatent rights. IEC shall not be held responsible for identifying any or all suc
35、h patent rights.International Standard IEC 61754-31 has been prepared by subcommittee 86B: Fibre optic interconnecting devices and passive components, of IEC technical committee 86: Fibre optics. The text of this standard is based on the following documents: FDIS Report on voting 86B/3961/FDIS 86B/3
36、973/RVDFull 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. BS EN 61754-31:2016 4 IEC 61754-31:2016 g164 IEC 2016 A list of all parts in
37、 the IEC 61754 series, published under the general title Fibre optic interconnecting devices and passive components Fibre optic connector interfaces, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indica
38、ted on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be g120 reconfirmed,g120 withdrawn,g120 replaced by a revised edition, org120 amended.BS EN 61754-31:2016IEC 61754-31:2016 g164 IEC 2016 5 INTRODUCTION The Interna
39、tional 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 61754-31. IEC takes no position concerning the evidence, validity and scope of this patent right. The holder of this patent right
40、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: Huberg14Suhn
41、er AG Degersheimerstrasse 14 9100 Herisau Switzerland 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.
42、org/patents) and IEC (http:/patents.iec.ch ) maintain online 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. BS EN 61754-31:2016 6 IEC 61754-31:2016 g164 IEC 2016 FIBRE OPTIC INTERCONNECTING DEV
43、ICES AND PASSIVE COMPONENTS FIBRE OPTIC CONNECTOR INTERFACES Part 31: Type N-FO connector family 1 Scope This part of IEC 61754 defines the standard connector interface dimensions for the two way and four way type N-FO family of connectors. 2 Normative references The following documents, in whole or
44、 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 61754-1, Fibre optic interconnecting de
45、vices and passive components Fibre optic connector interfaces Part 1: General and guidance IEC 61755-3 (all parts), Fibre optic interconnecting devices and passive components g16 Connector optical interfaces Connector parameters of non-dispersion shifted single mode physically contacting fibres 3 De
46、scription 3.1 General The N-FO connector family comprises a two way and four way circular plug connector and socket set. The plug connector in each case includes a spring loaded threaded coupling nut and the plug shell features a single keyway which is used to orient it with a key in the socket with
47、 which it is being mated. The 1,25 mm non-angle polished ferrules used within the connectors are aligned using resilient sleeves housed within the plug. 3.2 Two way system This system consists of two spring loaded ferrules within each connector body. The pitch between the two fibre centres is nomina
48、lly 3,0 mm. It has a threaded coupling mechanism, which is designed to be tightened to a torque of 1 Nm to 2 Nm. 3.3 Four way system This system consists of four spring loaded ferrules in a row within each connector body. The pitch between any two adjacent fibre centres is nominally 2,50 mm. It has
49、a threaded coupling mechanism, which is designed to be tightened to a torque of 1 Nm to 2 Nm. BS EN 61754-31:2016IEC 61754-31:2016 g164 IEC 2016 7 4 Interfaces General requirements defined in IEC 61754-1 are valid for this standard. This standard contains the following standard interfaces: Interface IEC 61754-31-1: two way plug connector interface Interface IEC 61754-31-2: two way socket connector interface Interface IEC 61754-31-3: four way plug connector interface Interfa
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