1、BS EN4641-001:2009ICS 49.060NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Cables, optical, 125 mdiameter claddingPart 001: Technical specificationThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommitte
2、e on 30 April2009 BSI 2009ISBN 978 0 580 57056 8Amendments/corrigenda issued since publicationDate CommentsBS EN 4641-001:2009National forewordThis British Standard is the UK implementation of EN 4641-001:2009.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospa
3、ce avionic electrical and fibre optictechnology.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a
4、 British Standard cannot confer immunityfrom legal obligations.BS EN 4641-001:2009EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4641-001March 2009ICS 49.060English VersionAerospace series - Cables, optical, 125 m diameter cladding -Part 001: Technical specificationSrie arospatiale - Cbles, optiq
5、ues, diamtre extrieur dela gaine optique 125 m - Partie 001 : SpcificationtechniqueLuft- und Raumfahrt - Kabel, optisch, 125 mAuendurchmesser des Fasermantels - Teil 001:Technische SpezifikationThis European Standard was approved by CEN on 7 February 2009.CEN members are bound to comply with the CEN
6、/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to
7、any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.C
8、EN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Swe
9、den, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref.
10、No. EN 4641-001:2009: EBS EN 4641-001:2009EN 4641-001:2009 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms and definitions, symbols and abbreviations .4 4 Required characteristics .5 5 Test methods 6 6 Quality assurance 8 7 Designation and marking . 12 8 Delivery conditions
11、 . 13 9 Storage . 13 BS EN 4641-001:2009EN 4641-001:2009 (E) 3 Foreword This document (EN 4641-001:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Associatio
12、n, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior 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, a
13、t the latest by September 2009, and conflicting national standards shall be withdrawn at the latest by September 2009. 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 identifyin
14、g any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, H
15、ungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4641-001:2009EN 4641-001:2009 (E) 4 1 Scope This standard specifies the general characteristics, conditi
16、ons 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 The following referenced documents are indispensable for the application of this document. For dated references, on
17、ly the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591-602, Aerospace series Elements of electrical and optical connection Test methods Part 602: Optical elements Variation of attenuation and optical discontinui
18、ty. EN 3745-100:2008*, Aerospace series Fibres and cables, optical, aircraft use Test methods Part 100: General. EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables. 1)EN 3909, Aerospace series Test fluids and test methods for electric components a
19、nd sub-assemblies. EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts. IEC 60793-1-42, Optical fibres Part 1-42: Measurement methods and test procedures Chromatic dispersion. ISO 2574, Aircraft Electrical cables Identification marking. 3 Terms a
20、nd definitions, symbols and abbreviations For the purposes of this document, the following terms and definitions and the symbols and abbreviations given in EN 3745-100:2008 apply. 3.1 tight structure cable cable where there is very limited movement of the fibre within the buffer and other elements o
21、f the cable construction; typically designed for use with non-pull proof fibre optic contacts 3.2 semi-loose structure cable cable where the fibre is designed to move within the buffer and other elements of the cable construction; typically designed for use with full pull proof fibre optic contacts
22、*And all parts quoted in this standard. 1) In preparation at the date of publication of this standard. BS EN 4641-001:2009EN 4641-001:2009 (E) 5 4 Required characteristics 4.1 Description The characteristics of the cables, tested according to the methods described hereafter shall comply with the val
23、ues defined in the product standard. 4.2 Materials and construction of cables The configuration, dimensions 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 constructio
24、n The fibre shall consist of a single all silica core and a silica cladding protected by a primary coating 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
25、 of the cable shall be an outer jacket, strength member, buffer and fibre, which is protected by a primary 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. 1234BS EN 4641-001:2009E
26、N 4641-001:2009 (E) 6 Key 1 Outer jacket 2 Strength member 3 Inner sheath 4 Buffer 5 Core 6 Cladding 7 Primary coating Figure 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 374
27、5- Designation of test Test performance/conditions/criteria 201 Visual examination The primary coating and buffer shall have 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
28、 Method A Attenuation See product standard.302 Numerical aperture See product standard. 403 Bandwidth See product standard. 1234567BS EN 4641-001:2009EN 4641-001:2009 (E) 7 5.1.2 Fibre optic cable See Table 2. Table 2 Fibre optic cable test methods Test method EN 3745- Designation of test Test perfo
29、rmance/conditions/criteria 201 Visual examination The outer jacket shall have the correct identification if specified in the appropriate product standard. The coating shall be continuous and free of visible defects such as lumps, abrasions, cracks, splits or blisters. See product standard. 203 Cable
30、 dimensions Primary coating outside diameter. Buffer diameter. Outer jacket 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 cyc
31、ling See product standard. 301: Method C Attenuation during temperature 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 st
32、andard. 412 Humidity resistance See product standard. 503 Scrape abrasion 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 stan
33、dard. 509 Kink test See product standard. 510 Bending test See product standard. 511 Cable to cable abrasion See product standard. continued BS EN 4641-001:2009EN 4641-001:2009 (E) 8 Table 2 Fibre optic cable test methods (concluded) Test method EN 3745- Designation of test Test performance/conditio
34、ns/criteria 512 Flexure endurance See product standard. 513 Crush resistance See product standard. 514 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.
35、 703 Durability of manufacturers marking See product standard. 705 Contrast measurement See product standard. 706 EN 3838 except “Voltage test“ Durability of user identification markings See product standard. 202 Include all sections of concentricity See product standard. 5.2 Special tests Additiona
36、l 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 conditions The cables shall be submitted for qualification tests on drums, spools or in coils of sufficient length, wound evenly and u
37、niformly. 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 Qualification column are applicable. BS EN 4641-001:2009EN 4641-001:2009(E)9Table 3 Tests: methods, application and requirements Description S
38、tandard QualificationOnall cablesPrior todelivery PeriodicEvery 3 yearsRequirements (and / or particulars) Sanction / Approval Optical fibre Fibre dimension EN 3745 X X Test method 202 As detailed in the appropriate product standard Fibre dimension Coating / cladding EN 3745 X X Test method 202 As d
39、etailed 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 refraction IEC 60793 X X IEC 60793-1-42 Not applicable for singlemode fibre As detailed in the appropriate product standard Bandwidth IEC
40、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 detailed in the appropriate product standard Optical cable Visual inspection EN 3745 X X X Test method 201 As detailed in the appropria
41、te 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 As detailed in the appropriate product standard Cable longitudinal stability EN 3745 X X Test method 205 As detailed in the appro
42、priate 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 Cable attenuation 55 C / 125 C EN 3745 X X Test method 301 Method C As detailed in the appropriate product standard continued BS
43、 EN 4641-001:2009EN 4641-001:2009(E)10 Table 3 Tests: methods, application and requirements (continued) Description Standard QualificationOnall cablesPrior todelivery PeriodicEvery 3 yearsRequirements (and / or particulars) Sanction / Approval Optical cable (continued) Optical discontinuity EN 2591
44、X Test method 602 Method B Optical Discontinuity As detailed in the appropriate product standard Immunity 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
45、 the appropriate product standard Accelerated ageing EN 3745 X Test method 401 Test to be carried out at 125 C 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
46、B as defined in the product standard As detailed 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 requ
47、ired to be defined in the appropriate product 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 Scra
48、pe abrasion EN 3745 X Test method 503 As detailed in the appropriate product standard Micro bending EN 3745 X Test method 504 As detailed in the appropriate product standard continued BS EN 4641-001:2009EN 4641-001:2009(E)11Table 3 Tests: methods, application and requirements (concluded) Description
49、 Standard QualificationOnall cablesPrior todelivery PeriodicEvery 3 yearsRequirements (and / or particulars) Sanction / Approval Optical cable (concluded) 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 Impact test EN 3745 X Test method 506 As detailed in the appropriate product standard Cut-through EN 3745 X Test method 507 As detailed in the appropriate product standard Torsion test EN 3
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