1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 4641-001 Edition P 2 February 2017 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 Supers
2、edes edition P 1 of April 2008 and will supersede EN 4641-001:2009 Descriptors: ENGLISH VERSION Aerospace series Cables, optical, 125 m diameter cladding Part 001: Technical specification Luft- und Raumfahrt Kabel, optisch, 125 m Auendurchmesser des Fasermantels Teil 001: Technische Spezifikation Sr
3、ie arospatiale Cbles, optiques, diamtre extrieur de la gaine optique 125 m Partie 001 : Spcification technique This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published fo
4、r 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 to an extent that interchangeability is affected, physicall
5、y or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, the ASD-STAN prEN will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full Eur
6、opean 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. ASD-STAN Technical Committee approves that: “This document is published by ASD-STAN for
7、the needs of the European Aerospace Industry. The use of this standard is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN reviews each standard and technical repor
8、t at least every five years at which time it may be revised, reaffirmed, stabilized or cancelled. ASD-STAN invites you to send your written comments or any suggestions that may arise. All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system or transmitted, in
9、 any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1stFebruary 2017 Comments should be sent within six m
10、onths after the date of publication to ASD-STAN Electrical Domain Copyright 2017 ASD-STAN prEN 4641-001:2017 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Terms and definitions . 3 4 Required characteristics 4 5 Test methods 5 6 Quality assurance 7 7 Designation and marking . 1
11、1 8 Delivery conditions 13 9 Storage 13 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received appro
12、val for Publication. prEN 4641-001:2017 (E) 3 1 Scope This standard specifies the general characteristics, conditions for qualification, acceptance and quality assurance, as well as the test methods and groups for fibre optic cables with a cladding of 125 m outside diameter. 2 Normative references T
13、he 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. EN 2591-
14、602, Aerospace series Elements of electrical and optical connection Test methods Part 602: Optical elements Variation of attenuation and optical discontinuity EN 3745-100 *, Aerospace series Fibres and cables, optical, aircraft use Test methods Part 100: General EN 3838, Aerospace series Requirement
15、s and tests on user-applied markings on aircraft electrical cables EN 3909, Aerospace series Test fluids and test methods for electrical and optical components and sub-assemblies EN 9133, Aerospace series Quality Management Systems Qualification Procedure for Aerospace Standard Products IEC 60793-1-
16、42, Optical fibres Part 1-42: Measurement methods and test procedures Chromatic dispersion ISO 2574, Aircraft Electrical cables Identification marking 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3745-100 and the following apply. 3.1 tight structur
17、e cable structure that allows no movement of the fibre and inner jacket between the inner jacket and the outer strength members 3.2 semi-loose structure cable structure that allows slight movement of the secondary buffer next to the inner strength members and outer cable jacket * And all parts quote
18、d in this standard. prEN 4641-001:2017 (E) 4 4 Required characteristics 4.1 Description The characteristics of the cables, tested according to the methods described hereafter shall comply with the values defined in the product standard. 4.2 Materials and construction of cables The configuration, dim
19、ensions and mass of the cable shall meet the values specified in the product standard as well as the requirements hereafter. Materials and colour shall meet the product standard. 4.3 Fibre construction The fibre shall consist of a single all silica core and a silica cladding protected by a primary c
20、oating in accordance with the product standards. See Figure 1. Key 1 Buffer 2 Primary coating 3 Cladding 4 Core Figure 1 Fibre construction (axial view) 4.4 Cable construction The typical requirements of the cable shall be an outer jacket, strength member, buffer and fibre, which is protected by a p
21、rimary coating. See example at Figure 2. Details of the materials used for the outer sheath, strength member, inner sheath and buffer shall be defined in the product standard. prEN 4641-001:2017 (E) 5 Key 1 Outer jacket 2 Strength member 3 Inner sheath 4 Buffer 5 Core 6 Cladding 7 Primary coating Fi
22、gure 2 Example of cable construction 5 Test methods 5.1 Tests in accordance with EN 3745-100 5.1.1 Optical fibre See Table 1. Table 1 Optical fibre test methods Test method EN 3745- Designation of test Test performance/conditions/criteria 201 Visual examination The primary coating and buffer shall h
23、ave the correct identification outer colour if specified in the product standard. 202 Fibre dimensions See product standard. 501 Optical fibre proof test See product standard. 301 Method A Attenuation See product standard. 302 Numerical aperture See product standard. 403 Bandwidth See product standa
24、rd. prEN 4641-001:2017 (E) 6 5.1.2 Fibre optic cable See Table 2. Table 2 Fibre optic cable test methods (1 of 2) Test method EN 3745- Designation of test Test performance/conditions/criteria 201 Visual examination The outer jacket shall have the correct identification if specified in the appropriat
25、e product standard. The coating shall be continuous and free of visible defects such as lumps, abrasions, cracks, splits or blisters. See product standard. 202 Include all sections of concentricity See product standard. 203 Cable dimensions Primary coating outside diameter. Buffer diameter. Outer ja
26、cket outside diameter. Outer jacket wall thickness. To be measured at both ends of each batch. 205 Cable longitudinal dimensional stability See product standard. 301: Method A Attenuation See product standard. 402 Temperature cycling See product standard. 301: Method C Attenuation during temperature
27、 cycling See product standard. 404 Thermal shock See product standard. 406 Cold bend test See product standard. 407 Flammability See product standard. 410 Thermal life See product standard. 411 Resistance to fluids See product standard. 412 Humidity resistance See product standard. 503 Scrape abrasi
28、on See product standard. 504 Micro bending test See product standard. 505 Cable tensile strength See product standard. 506 Impact resistance See product standard. 507 Cut-through See product standard. 508 Torsion See product standard. 509 Kink test See product standard. 510 Bending test See product
29、standard. 511 Cable to cable abrasion See product standard. prEN 4641-001:2017 (E) 7 Table 2 Fibre optic cable test methods (2 of 2) Test method EN 3745- Designation of test Test performance/conditions/criteria 512 Flexure endurance See product standard. 513 Crush resistance See product standard. 51
30、4 Cable twist bend See product standard. 601 Smoke density See product standard. 602 Toxicity See product standard. 603 Nuclear radiation See product standard. 701 Strippability See product standard. 703 Durability of manufacturers marking See product standard. 705 Contrast measurement See product s
31、tandard. 706 EN 3838 except “Voltage test“ Durability of user identification markings See product standard 5.2 Special tests Additional tests particular to the product may be defined in the specific product standard. 6 Quality assurance 6.1 General See EN 9133. 6.2 Qualification 6.2.1 Qualification
32、conditions The cables shall be submitted for qualification tests on drums, spools or in coils of sufficient length, wound evenly and uniformly. Each drum, spool or coil shall have a label containing information given in 8.2. 6.2.2 Qualification tests See Table 3. Tests indicated by X in the Qualific
33、ation column are applicable. prEN4641-001:2017(E) 8 Table 3 Tests: methods, application and requirements (1 of 3) Description Standard Qualification On allcablesPriorto delivery Periodic Every 3 yearsRequirements (and / or particulars) Sanction / Approval Optical fibre Fibre dimension EN 3745 X X Te
34、st method 202 As detailed in the appropriate product standard Fibre dimension Coating / cladding EN 3745 X X Test method 202 As detailed in the appropriate product standard Numerical aperture EN 3745 X X Test method 302 Method A or B As detailed in the appropriate product standard Index of refractio
35、n IEC 60793 X X IEC 60793-1-42 Not applicable for singlemode fibre As detailed in the appropriate product standard Bandwidth IEC 60793 X X IEC 60793-1-42 Not applicable to singlemode fibre As detailed in the appropriate product standard Fibre chromatic dispersion IEC 60793 X IEC 60793-1-42 As detail
36、ed in the appropriate product standard Optical cable Visual inspection EN 3745 X X X Test method 201 As detailed in the appropriate product standard Cable primary coating EN 3745 X X Test method 202 As detailed in the appropriate product standard Cable external dimension EN 3745 X X Test method 202
37、As detailed in the appropriate product standard Cable longitudinal stability EN 3745 X X Test method 205 As detailed in the appropriate product standard Cable attenuation 20 C EN 3745 X X Test method 301 Method A or B as defined in the product standard As detailed in the appropriate product standard
38、 Cable attenuation between the minimum operating temperature and the maximum operating temperature defined in the product standard EN 3745 X X Test method 301 Method C As detailed in the appropriate product standard prEN4641-001:2017(E) 9 Table 3 Tests: methods, application and requirements (2 of 3)
39、 Description Standard Qualification On allcablesPriorto delivery Periodic Every 3 yearsRequirements (and / or particulars) Sanction / Approval Optical cable (continued) Optical discontinuity EN 2591 X Test method 602 Method B Optical Discontinuity As detailed in the appropriate product standard Immu
40、nity to ambient light coupling EN 3745 X Test method 305 As detailed in the appropriate product standard Variation of attenuation during temperature cycling EN 3745 X X Test method 306 As detailed in the appropriate product standard Accelerated ageing EN 3745 X Test method 401 Test to be carried out
41、 at the maximum operating temperature defined in the product standard As detailed in the appropriate product standard Thermal shock EN 3745 X Test method 404 As detailed in the appropriate product standard Cold bend test EN 3745 X Test method 406 Method A or B as defined in the product standard As d
42、etailed in the appropriate product standard Flammability EN 3745 X Test method 407 As detailed in the appropriate product standard Thermal life EN 3745 X Test method 410 As detailed in the appropriate product standard Resistance to fluids EN 3909 X Tests required to be defined in the appropriate pro
43、duct standard As detailed in the appropriate product standard Humidity resistance EN 3745 X Test method 412 As detailed in the appropriate product standard Optical fibre proof test EN 3745 X Test method 501 As detailed in the appropriate product standard Scrape abrasion EN 3745 X Test method 503 As
44、detailed in the appropriate product standard Micro bending EN 3745 X Test method 504 As detailed in the appropriate product standard Tensile strength EN 3745 X X Test method 505 Method A or B as defined in the appropriate product standard As detailed in the appropriate product standard prEN4641-001:
45、2017(E) 10Table 3 Tests: methods, application and requirements (3 of 3) Description Standard Qualification On allcablesPriorto delivery Periodic Every 3 yearsRequirements (and / or particulars) Sanction / Approval Optical cable (concluded) Impact test EN 3745 X Test method 506 As detailed in the app
46、ropriate product standard Cut-through EN 3745 X Test method 507 As detailed in the appropriate product standard Torsion test EN 3745 X Test method 508 As detailed in the appropriate product standard Kink test EN 3745 X Test method 509 As detailed in the appropriate product standard Bending test EN 3
47、745 X X Test method 510 As detailed in the appropriate product standard Cable to cable abrasion EN 3745 X Test method 511 As detailed in the appropriate product standard Flexure endurance EN 3745 X Test method 512 As detailed in the appropriate product standard Crush resistance EN 3745 X Test method
48、 513 As detailed in the appropriate product standard Smoke density EN 3745 X Test method 601 As detailed in the appropriate product standard Toxicity EN 3745 X Test method 602 As detailed in the appropriate product standard Nuclear radiation EN 3745 X Test method 603 As detailed in the appropriate p
49、roduct standard Strippability EN 3745 X Test method 701 As detailed in the appropriate product standard Durability of manufacturers marking EN 3745 X Test method 703 As detailed in the appropriate product standard Contrast Measurement EN 3745 X Test method 705 As detailed in the appropriate product standard Fibre Movement Under Compression EN 3745 X Test method 706 As detailed in the appropriate prod
