ASD-STAN PREN 4531-201-2014 Aerospace series Connectors optical circular single and multipin coupled by triple start threaded ring Flush contacts Part 201 Optical contact for EN 46.pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4531-201 Edition P 1 July 2014 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 775 8131 - www.asd-stan.orgICS: 49.060 Descriptors: Aerosp

2、ace industry, aircraft, aircraft equipment, optical connector, elements of optical connection, optical contact, characteristics, test, quality assurance ENGLISH VERSION Aerospace series Connectors, optical, circular, single and multipin, coupled by triple start threaded ring Flush contacts Part 201:

3、 Optical contact for EN 4641 singlemode cable 55 C to 125 C Product standard Srie arospatiale Connecteurs optiques circulaires accouplement par bague filete trois filets Contacts affleurants Partie 201 : Contact optique pour cble monomode EN 4641 55 C 125 C Norme de produit Luft- und Raumfahrt Optis

4、che Rundsteckverbinder mit dreigngiger Schraubkupplung Bndige Kontakte Teil 201: Optischer Kontakt fr EN 4641-Monomode-Lichtwellenleiterkabel 55 C bis 125 C Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries As

5、sociation of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed t

6、o an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for

7、 formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 1st July 201

8、4 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2014 by ASD-STAN prEN 4531-201:2014 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Termini dimensions . 4 4 General dimensions of the optical termini 5 5 Technical s

9、pecification . 7 6 Tests according to EN 2591-100. 7 7 Cleaning instructions 8 8 Tooling 8 9 Termination instructions . 9 10 Designation 9 Bibliography 10 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in

10、accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4531-201:2014 (E) 3 1 Scope This standard defines the performance and dimensions of optical PC profiled contact for singlemode 9 micrometres/125 micrometres fi

11、bre 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 cited applies. For undated references, the latest edition of the ref

12、erenced 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, coupled by triple start threaded ring Flush contacts Part 001: Techn

13、ical specificationEN 4533 (all parts), Aerospace series Fibre optic systems Handbook EN 4641 (all parts), Aerospace series Cables, optical 125 m diameter cladding 1)TR 4646, Aerospace series Termination procedure for EN 4531 optical contact 2)MIL-I-81969/8-10, Installing and removal tools, connector

14、 electrical contact, types I and II, class 2, composition A 3)1) Published as ASD-STAN Prestandard at the date of publication of this standard. http:/www.asd-stan.org/ 2) Published as ASD-STAN Technical Report at the date of publication of this standard. http:/www.asd-stan.org/ 3) Published by: DoD

15、National (US) Mil. Department of Defense. http:/www.defenselink.mil/ prEN 4531-201:2014 (E) 4 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.

16、 Figure 1 Table 1 EN 4531- Cable Optical fibre type Outer diameter c d t1t2micrometre mm m m m m 201 EN 4641-xxx 9/125 1,8 0,1 1 126,5 0,5 1 prEN 4531-201:2014 (E) 5 4 General dimensions of the optical termini 4.1 Contact dimension and mass See Figure 2. Dimensions and tolerances are in millimetres.

17、 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 prEN 4531-201:2014 (E) 6 4.2 Boot dimension 4.2

18、.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 White or cream Short boot S White or cream 4.3 Material See Table 3. Table 3 Flange material Code Composite CMetal M Ferrule material: Zirconia (Zr O2)

19、prEN 4531-201:2014 (E) 7 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, applicable in the cont

20、ext 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 (1 of 2) EN 2591 Designation of the test De

21、tails 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 pressure Not applicabl

22、e. 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 pressure Connector ma

23、ted 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 contact end face every

24、 20 cycles. 407 Durability of contact retention system and seals (maintenance ageing) Applicable. EN 2591-601 initial and final: insertion loss 0,1 dB prEN 4531-201:2014 (E) 8 Table 4 (2 of 2) EN 2591 Designation of the test Details 601 Optical elements - Insertion loss For the pair, after terminati

25、on: 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 samples, i.e. insertion loss

26、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: 45 dB minimum 607 Optical elements

27、 - 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 attachment - Cable pulli

28、ng 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 2 (two) mn 613 Optical e

29、lements - 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 Suitable cleaning processes are detailed in EN 4533-004. 8 Toolin

30、g 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. prEN 4531-201:2014 (E) 9 9 Termination instructions Termination ins

31、tructions are detailed in TR 4646. See handbook EN 4533 for details. 10 Designation EXAMPLE Description block CONNECTOR, OPTICAL Identification block EN4531-201XX Number of the basic standard Optical contact type Flange material (see Table 3) Boot code (see Table 2) prEN 4531-201:2014 (E) 10 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