1、BSI Standards PublicationBS EN 4531-101:2016Aerospace series Connectors, optical, circular,single and multipin, coupledby triple start threaded ring Flush contactsPart 101: Optical contact for EN 4641multimode cable -55 C to 125 C Product standardBS EN 4531-101:2016 BRITISH STANDARDNational foreword
2、This British Standard is the UK implementation of EN 4531-101:2016.It supersedes BS EN 4531-101:2012 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represented on thi
3、s committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 89607 1ICS 49.
4、060Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 January 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 4531-101:2016EUR
5、OPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4531-101 January 2016 ICS 49.060 Supersedes EN 4531-101:2012English Version Aerospace series - Connectors, optical, circular, single and multipin, coupled by triple start threaded ring - Flush contacts - Part 101: Optical contact for EN 4641 multimod
6、e cable -55 C to 125 C - Product standard Srie arospatiale - Connecteurs optiques circulaires accouplement par bague filete trois filets - Contacts affleurants - Partie101: Contact optique pour cble multimode EN 4641 -55 C 125 C - Norme de produitLuft- und Raumfahrt - Optische Rundsteckverbinder mit
7、 dreigngiger Schraubkupplung - Bndige Kontakte - Teil 101: Optischer Kontakt fr EN 4641-Multimodekabel, -55 C bis 125 C - Produktnorm This European Standard was approved by CEN on 8 June 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions fo
8、r 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 CEN member. This European Standard exists in thre
9、e official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bod
10、ies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, S
11、pain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldw
12、ide for CEN national Members. Ref. No. EN 4531-101:2016 EBS EN 4531-101:2016EN 4531-101:2016 (E) 2 Contents Page European Foreword 3 1 Scope 4 2 Normative references 4 3 Termini dimensions . 5 4 General dimensions of the optical termini 6 4.1 Contact dimension and mass 6 4.2 Boot dimension 7 4.3 Mat
13、erial . 7 5 Technical specification 8 6 Tests according to EN 2591-100 8 7 Cleaning instructions . 9 8 Tooling 9 9 Termination instructions 10 10 Designation. 10 Bibliography . 11 BS EN 4531-101:2016EN 4531-101:2016 (E) 3 European Foreword This document (EN 4531-101:2016) has been prepared by the Ae
14、rospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, pr
15、ior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2016, and conflicting national standards shall be withdrawn at the latest by July 2016. This document supersede
16、s EN 4531-101:2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national st
17、andards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
18、 Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4531-101:2016EN 4531-101:2016 (E) 4 1 Scope This standard defines the performance and dimensions of optical PC profiled contact for multimode 62,5
19、micrometres/125 micrometres or 50 micrometres/125 micrometres fibre and (1,8 0,1) mm diameter cable. 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 cite
20、d applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591 (all parts), Aerospace series Elements of electrical and optical connection Test methods EN 4531-001, Aerospace series Connectors, optical, circular, single and multipin, coup
21、led by triple start threaded ring Flush contacts Part 001: Technical specification EN 4533 (all parts), Aerospace series Fibre optic systems Handbook EN 4641 (all parts), Aerospace series Cables, optical, 125 m diameter cladding TR 4646, Aerospace series Termination procedure for EN 4531 optical con
22、tact 1)MIL-I-81969/8-10, Installing and removal tools, connector electrical contact, types I and II, class 2, composition A21)Published as ASD-STAN Technical Report at the date of publication of this European Standard (http:/www.asd-stan.org/)2)Published by: DoD National (US) Mil. Department of Defe
23、nse http:/www.defenselink.mil/BS EN 4531-101:2016EN 4531-101:2016 (E) 5 3 Termini dimensions See Figure 1. Dimensions and tolerances are in millimetres. Dimensions of t1, t2, c and d of Figure 1 are detailed Table 1. Key 1 ferrule 2 flange 3 chamfer or radius = 0,05 min./0,2 max. Figure 1 Table 1 EN
24、 4531- Cable Optical fibre type Outer diameter c d t1t2micrometre mm m m m m 101 EN 4641-xxx 62,5/125 or 50/125 1,8 0,1 3 127 1 3 BS EN 4531-101:2016EN 4531-101:2016 (E) 6 4 General dimensions of the optical termini 4.1 Contact dimension and mass See Figure 2. Dimensions and tolerances are in millim
25、etres. Mass of the contact: 1,5 g maximum. Key 1 spring force when spring length is 13,5 mm = 9 N min. When spring length is 8,5 mm, spring force shall be between 13 N and 15 N Spring is never compressed to joined coils 2 beginning of bending 3 o-ring Figure 2 BS EN 4531-101:2016EN 4531-101:2016 (E)
26、 7 4.2 Boot dimension 4.2.1 Long version See Figure 3 and Table 2. Figure 3 4.2.2 Short version See Figure 4 and Table 2. Figure 4 Table 2 Boot code Boot colour Long boot L Blue Short boot S Blue 4.3 Material See Table 3. Table 3 Flange material Code Composite C Metal M Ferrule material: Zirconia (Z
27、r O2) BS EN 4531-101:2016EN 4531-101:2016 (E) 8 5 Technical specification This component is qualified as part of a complete connector assembly when tested to the qualification requirements of EN 4531-001 and the applicable product standards. 6 Tests according to EN 2591-100 The tests of EN 2591-100,
28、 applicable in the context of this standard as well as the details necessary for implementing them and for inspecting connector characteristics, are given in Table 4. Environmental tests are specified in EN 4531-001. These tests shall be carried out without cable outlet. Table 4 EN 2591 Designation
29、of the test Details 102 Examination of dimensions and mass Applicable 6301 Optical elements - Endurance at temperature 1 000 h at 125 C 6305 Optical elements - Rapid change of temperature 10 cycles. TA = 125 C. TB = 65 C. 6307 Optical elements - Salt mist Contact wired - Duration 48 h 311 Low air pr
30、essure Not applicable. 312 Air leakage Test performed on non-hermetic connectors. Method B Differential pressure: 100 kPa. Maximum leakage: 16 10 6 m3/h. and Method A Differential pressure: minimum 40 kPa during 2 (two) h, maximum leakage flow: 16 cm3/h. 6314 Optical elements - Immersion at low air
31、pressure Connector mated 6316 Optical elements - Ozone resistance Not applicable. 6405 Optical elements - Axial load 100 N maintained for 1 (one) min, 3 (three) cycles. 6406 Optical elements - Mechanical endurance 500 mating/unmating cycles 4 (four) to 5 (five) cycles/min Inspection and cleaning of
32、contact end face every 20 cycles. 407 Durability of contact retention system and seals (maintenance ageing) Applicable. EN 2591-601 initial and final : insertion loss 0,1 dB BS EN 4531-101:2016EN 4531-101:2016 (E) 9 EN 2591 Designation of the test Details 601 Optical elements - Insertion loss For th
33、e pair, after termination: At 25 C: insertion loss 0,3 dB maximum for 95 % of the samples (statistic approach), i.e. minimum 19 samples with insertion loss 0,3 dB for the total of 21 optical cords of the 3 (three) groups. For all environmental conditions: insertion loss 0,7 dB maximum for all sample
34、s, i.e. insertion loss 0,7 dB for the 21 optical cords. 602 Optical elements - Variation of attenuation and optical discontinuity Method A, insertion loss maximum = 0,7 dB 604 Optical elements - Cleaning capability of optical face Applicable. 605 Optical elements - Return loss Return loss: 21 dB min
35、imum 607 Optical elements - Immunity to ambient light coupling Not applicable. 609 Optical elements - Effectiveness of cable attachment - Cable cyclic flexing Method C: 100 cycles at a load of 5 N Pendulum length: 350 mm Pivoted at extremity of the boot. 610 Optical elements - Effectiveness of cable
36、 attachment - Cable pulling Method B: 111 N tensile load, 1 (one) mn, 3 (three) pulls 611 Optical elements - Effectiveness of cable attachment - Cable torsion 100 cycles at a load of 40 N 612 Optical elements - Effectiveness of cable attachment - Cable axial compression Compression force of 10 N for
37、 2 (two) mn 613 Optical elements - Impact test Variation of insertion loss 0,25 dB maximum after test 615 Optical elements - Connection integrity at temperature Not applicable. 617 Optical elements - Temperature cycling Not applicable. 7 Cleaning instructions The contacts shall be cleaned as per EN
38、4533-004. 8 Tooling No tools required for insertion/extraction of the optical contact. The optical contact is inserted/extracted by hand from the rear of the connector. The standard tool as per MIL-I-81969/8-10 standard (P/N for size 12) may be used. BS EN 4531-101:2016EN 4531-101:2016 (E) 10 9 Term
39、ination instructions Termination instructions are detailed in TR 4646. See handbook EN 4533 for details. 10 Designation EXAMPLE Description block CONNECTOR, OPTICAL Identification block EN4531-101XX Number of the basic standard Optical contact type Flange material (see Table 3) Boot code (see Table
40、2) BS EN 4531-101:2016EN 4531-101:2016 (E) 11 Bibliography 1 EN 4531-002, Aerospace series Connectors, optical, circular, single and multipin, coupled by triple start threaded ring Flush contacts Part 002: Specification of performance and contact arrangements This page deliberately left blankThis pa
41、ge deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization products are published by BSI Standards Limited.British
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