Bsi bs en 61754 28 2012

BS EN 61754-28:2012 BSI Standards Publication Fibre optic interconnecting devices and passive components — Fibre optic connector interfaces Part 28: Type LF3 connector family BRITISH STANDARD BS EN 61754-28:2012 National foreword This British Standard is the UK implementation of EN 61754-28:2012 It is identical to IEC 61754-28:2012 The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/2, Fibre optic interconnecting devices and passive components A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2012 Published by BSI Standards Limited 2012 ISBN 978 580 73812 ICS 33.180.20 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2012 Amendments issued since publication Amd No Date Text affected BS EN 61754-28:2012 EUROPEAN STANDARD EN 61754-28 NORME EUROPÉENNE July 2012 EUROPÄISCHE NORM ICS 33.180.20 English version Fibre optic interconnecting devices and passive components Fibre optic connector interfaces Part 28: Type LF3 connector family (IEC 61754-28:2012) Dispositifs d'interconnexion et composants passifs fibres optiques Interfaces de connecteurs pour fibres optiques Partie 28: Famille de connecteurs de type LF3 (CEI 61754-28:2012) Lichtwellenleiter Verbindungselemente und passive Bauteile Steckgesichter von LichtwellenleiterSteckverbindern Teil 28: Steckverbinderfamilie der Bauart LF3 (IEC 61754-28:2012) This European Standard was approved by CENELEC on 2012-06-19 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 61754-28:2012 E BS EN 61754-28:2012 EN 61754-28:2012 -2- Foreword The text of document 86B/3387/FDIS, future edition of IEC 61754-28, 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 61754-28:2012 The following dates are fixed: • • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement latest date by which the national standards conflicting with the document have to be withdrawn (dop) 2013-03-19 (dow) 2015-06-19 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 61754-28:2012 was approved by CENELEC as a European Standard without any modification In the official version, for Bibliography, the following note has to be added for the standard indicated: ISO 8015 NOTE Harmonized as EN ISO 8015 -3- BS EN 61754-28:2012 EN 61754-28:2012 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 IEC 60794-2-50 - Optical fibre cables EN 60794-2-50 Part 2-50: Indoor cables - Family specification for simplex and duplex cables for use in terminated cable assemblies EN/HD Year - –2– BS EN 61754-28:2012 61754-28  IEC:2012 CONTENTS INTRODUCTION Scope Normative reference Description Interfaces Annex A (informative) Panel cutout 18 Bibliography 19 Figure – Simplex plug interface Figure – APC/PC endface geometry Figure – Duplex plug interface Figure – Simplex adaptor interface 12 Figure – Duplex adaptor interface 12 Figure – Pin gauge for adaptor 14 Figure – Simplex active device receptacle interface 15 Figure – Duplex active device receptacle interface 15 Figure A.1 – Simplex and duplex adaptor cutout 18 Table – Intermateability between plugs, adaptors and active device within the IEC 61754-28 family Table – Dimensions of plug connector interface (1 of 2) 10 Table – Ferrule grade table for plug connector interface 11 Table – Dimensions of the simplex and duplex adaptor interface 13 Table – Gauge pin dimensions 14 Table – Dimensions of active device interface 16 Table – Grade table 17 Table A.1 – Dimensions of the simplex and duplex adaptor cutout 18 BS EN 61754-28:2012 61754-28  IEC:2012 –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 61754-28 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: DIAMOND SA Via dei Patrizi 6616 Losone 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.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 –6– BS EN 61754-28:2012 61754-28  IEC:2012 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS – FIBRE OPTIC CONNECTOR INTERFACES – Part 28: Type LF3 connector family Scope This part of IEC 61754 defines the standard interface dimensions for the type LF3 family of connectors Normative reference 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 60794-2-50, Optical fibre cables – Part 2-50: Indoor cables – Family specification for simplex and duplex cables for use in terminated cable assemblies Description The parent connector for the type LF3 connector family is a simplex connector which is characterized by a 1,25 mm nominal ferrule diameter It includes a push-click-pull coupling mechanism, which is spring-loaded relative to the ferrule in the direction of the optical axis The optical alignment mechanism of the connectors is a rigid bore sleeve or a resilient sleeve style Drawings and dimensions provided consist of those minimum features that are functionally critical during the mating and unmating sequences of the plug with its adapter/receptacle counterpart component Interfaces The pages that follow define the standard interfaces for the type LF3 connector family This standard contains the following standard interfaces: 61754-28-1 Simplex plug connector PC-interface 61754-28-2 Simplex adaptor interface 61754-28-3 Simplex active device receptacle interface 61754-28-4 Duplex plug connector PC-interface 61754-28-5 Duplex adaptor interface 61754-28-6 Duplex active device receptacle interface 61754-28-7 Simplex plug connector interface – APC 8° 61754-28-8 Duplex plug connector interface – APC 8° The standards in Table are intermateable BS EN 61754-28:2012 61754-28  IEC:2012 –7– Table – Intermateability between plugs, adaptors and active device within the IEC 61754-28 family Plugs Adaptors Active device 61754-28-2 61754-28-5 61754-28-3 61754-6 61754-28-1 Mate Mate Mate Mate 61754-28-4 Not mate Mate Not mate Mate 61754-28-7 Mate Mate Mate Mate 61754-28-8 Not mate Mate Not mate Mate BS EN 61754-28:2012 61754-28  IEC:2012 –8– Figure gives an example of a simplex plug interface B Q Optical reference plane Mechanical reference plane D C b O 0,05 A 0,05 A Section b-b H1 J I M Z U F b Y N V 0,025 A G A H2 AF AQ Mechanical reference plane AR AP Protection cap AO Plane A Body EB EA Plane B Top view with protection cap opened (APC type) Ferrule IEC 719/12 Figure – Simplex plug interface BS EN 61754-28:2012 61754-28  IEC:2012 –9– Figure gives an example of endface geometry A A BG BG No sharp edge BH BH No sharp edge BI BI IEC 720/12 Figure – APC/PC endface geometry Figure gives an example of the duplex plug interface C ∅0,2 C K IEC 721/12 Figure – Duplex plug interface BS EN 61754-28:2012 61754-28  IEC:2012 – 10 – Table gives dimensions of the plug connector interface Table – Dimensions of plug connector interface (1 of 2) Reference Dimensions Remarks mm Minimum A Basic Maximum – – 10,3 10,6 C 4,2 4,45 D 3,2 3,35 F 0,3 0,5 Radius G 4,88 5,10 Ferrule extension H1 4,42 4,52 H2 4,42 4,52 I 3,0 3,2 J H/2 H/2 a B K Diameter, Grade, see Table 2b Diameter 6,25 M - 1,0 N - 0,5 O 1,1 - Q 8,6 8,9 U 5,0 5,1 V 12,1 - Y 3,3 - Z 5,6 7,5 Dependent on version, with or without protection cap AO 3,35 3,4 Height protection cap AP 6,7 6,9 Length protection cap AQ 2,5 2,63 AR 4,45 4,48 AF 17 Degrees BG b 0,6 - BH b - 1,0 b, c - BI EA d EB Width protection cap Pedestal diameter Radius 90 Degrees Degrees BS EN 61754-28:2012 61754-28  IEC:2012 – 11 – Table (2 of 2) a Dimension B is given for a plug endface when not mated The ferrule is movable by a certain axial compression force, with direct contacting endface, and therefore dimension B is variable Ferrule compression force shall be 5,0 N to 6,0 N when the position of the optical datum target, dimension B is moved to the range 9,8 mm to 10,0 mm Forces are for buffered fibre only; different cord constructions can result in higher forces (see IEC 607942-50) b These dimensional requirements apply to the finished ferrule, after all polishing procedures have been completed c Dimension BI is the radius of the polished ferrule end face d Dimension EA is defined as an angle between two planes: One plane, plane A, passes through the axis of the ferrule and the axis of symmetry of the key of the angled end face connector plug The other plane, plane B, passes through the axis of the ferrule and the plane normal to the angled PC reference plane Table gives a ferrule grade table for plug connector interfaces Table – Ferrule grade table for plug connector interfaces Grade ØA mm Minimum Maximum 1,2490 1,2495 1,2485 1,2495 1,2483 1,2495 BS EN 61754-28:2012 61754-28  IEC:2012 – 12 – Figures and give examples of simplex and duplex adaptor interfaces AP AO AQ A Section a-a a M F a C H2 b Section b-b C D B O Mechanical reference plane P Optical reference plane AT E AR ∅0,05 B I A AW Z AV ∅0,025 B AS 0,05 C N J 0,05 C H1 Optical reference plane B G b Shown without laser protection shutter AX Laser protection shutter (not dimensioned) ∅0,05 C ∅0,025 A IEC 722/12 Figure – Simplex adaptor interface B ∅0,1 B K IEC 723/12 Figure – Duplex adaptor interface BS EN 61754-28:2012 61754-28  IEC:2012 – 13 – Table gives dimensions of the simplex and duplex adaptor interface Table – Dimensions of the simplex and duplex adaptor interface Reference Dimensions Remarks mm Minimum A a Maximum – – Diameter B 9,9 10 Diameter C 4,5 - D 3,4 3,5 E 2,6 2,7 F 0,2 0,3 G 4,0 4,1 H1 4,65 4,75 H2 4,65 4,75 I 2,87 2,97 J 2,29 K 6,25 M 1,0 1,1 N 0,5 0,6 O - 1,3 P a Basic 15 Radius Diameter Degrees, typical Z 7,6 7,9 AO 11,0 12,8 AP 14,5 14,7 AQ 2,2 2,4 AR 1,1 1,2 AS 6,6 6,8 AT 0,6 0,7 AV 1,0 1,1 AW 1,4 1,5 AX 1,9 - Radius Diameter The connector alignment feature is a resilient (split) alignment sleeve The feature must accept a pin gauge to the centre of the adaptor with a force of 1,0 N to 2,5 N under the condition that another pin gauge is inserted into the feature from the other side until both pin gauges butt against each other The pin gauge shall be according to Figure The centre of the adaptor is defined by the left side position of dimension B BS EN 61754-28:2012 61754-28  IEC:2012 – 14 – Figure gives an example of a pin gauge for an adaptor ∅CK CN Chamfer or radius IEC 724/12 NOTE Surface roughness R Z = 0,2 µm Figure – Pin gauge for adaptor Table gives gauge pin dimensions Table – Gauge pin dimensions Pin gauge grade 1,249 a CK diameter CN mm mm Remarks Minimum Maximum Minimum Maximum 1,2488 1,2492 4,2 15 Surface roughness should be