BS EN 4641 001 2009 ICS 49 060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Aerospace series — Cables, optical, 125 µm diameter cladding Part 001 Technical s[.]
BRITISH STANDARD Aerospace series — Cables, optical, 125 µm diameter cladding Part 001: Technical specification ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 4641-001:2009 BS EN 4641-001:2009 National foreword This British Standard is the UK implementation of EN 4641-001:2009 The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology 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 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 30 April 2009 © BSI 2009 ISBN 978 580 57056 Amendments/corrigenda issued since publication Date Comments BS EN 4641-001:2009 EUROPEAN STANDARD EN 4641-001 NORME EUROPÉENNE EUROPÄISCHE NORM March 2009 ICS 49.060 English Version Aerospace series - Cables, optical, 125 µm diameter cladding Part 001: Technical specification Série aérospatiale - Câbles, optiques, diamètre extérieur de la gaine optique 125 µm - Partie 001 : Spécification technique Luft- und Raumfahrt - Kabel, optisch, 125 àm Auòendurchmesser des Fasermantels - Teil 001: Technische Spezifikation This European Standard was approved by CEN on February 2009 CEN 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 Management Centre or to any CEN 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 CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions CEN 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, Sweden, Switzerland and United Kingdom EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 4641-001:2009: E BS EN 4641-001:2009 EN 4641-001:2009 (E) Contents Page Foreword Scope Normative references Terms and definitions, symbols and abbreviations 4 Required characteristics .5 Test methods 6 Quality assurance Designation and marking 12 Delivery conditions 13 Storage 13 BS EN 4641-001:2009 EN 4641-001:2009 (E) 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 Association, 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, at 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 identifying 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, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ BS EN 4641-001:2009 EN 4641-001:2009 (E) 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 µm outside diameter Normative references The following referenced documents are indispensable for the application of this document For dated references, only 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 discontinuity 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 and sub-assemblies EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace standard parts ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ IEC 60793-1-42, Optical fibres — Part 1-42: Measurement methods and test procedures — Chromatic dispersion ISO 2574, Aircraft — Electrical cables — Identification marking Terms and 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 of 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 * And all parts quoted in this standard 1) In preparation at the date of publication of this standard BS EN 4641-001:2009 EN 4641-001:2009 (E) 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, 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 construction 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 ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ Key Buffer Primary coating Cladding Core Figure — 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 primary coating See example at Figure Details of the materials used for the outer sheath, strength member, inner sheath and buffer shall be defined in the product standard BS EN 4641-001:2009 EN 4641-001:2009 (E) Key Outer jacket Strength member Inner sheath Buffer Core Cladding Primary coating Figure — Example of cable construction ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ Test methods 5.1 Tests in accordance with EN 3745-100 5.1.1 Optical fibre See Table Table — Optical fibre test methods Test method EN 3745- 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 Attenuation See product standard 302 Numerical aperture See product standard 403 Bandwidth See product standard 301 Method A Designation of test BS EN 4641-001:2009 EN 4641-001:2009 (E) 5.1.2 Fibre optic cable See Table Table — Fibre optic cable test methods Test method EN 3745201 Designation of test Visual examination Test performance/conditions/criteria 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 Primary coating outside diameter Buffer diameter 203 Cable dimensions Outer jacket outside diameter Outer jacket wall thickness To be measured at both ends of each batch 205 301: Method A Cable longitudinal dimensional stability Attenuation 402 Temperature cycling 301: Method C Attenuation during temperature cycling See product standard See product standard ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ See product standard 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 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 standard 509 Kink test See product standard 510 Bending test See product standard 511 Cable to cable abrasion See product standard continued BS EN 4641-001:2009 EN 4641-001:2009 (E) Table — Fibre optic cable test methods (concluded) Test method EN 3745- Designation of test Test performance/conditions/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 703 Durability of manufacturer's 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 ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ Additional tests particular to the product may be defined in the specific product standard Quality assurance 6.1 General See EN 9133 6.2 6.2.1 Qualification Qualification 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 Tests indicated by ‘X’ in the ‘Qualification’ column are applicable Periodic Every years 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 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 refraction IEC 60793 X IEC 60793-1-42 Not applicable for singlemode fibre As detailed in the appropriate product standard Bandwidth IEC 60793 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 X Test method 201 As detailed in the appropriate product standard X Test method 202 As detailed in the appropriate product standard Test method 202 As detailed in the appropriate product standard Test method 205 As detailed in the appropriate product standard Description Prior to delivery Standard Qualification On all cables Table — Tests: methods, application and requirements Requirements (and / or particulars) Sanction / Approval Optical fibre X X Optical cable EN 3745 X X Cable primary coating EN 3745 X Cable external dimension EN 3745 X Cable longitudinal stability EN 3745 X 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 X X continued EN 4641-001:2009 (E) Visual inspection Periodic Every years Optical discontinuity EN 2591 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 Test method 306 As detailed in 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 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 required 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 Scrape 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 Prior to delivery Qualification On all cables Standard Description Requirements (and / or particulars) Sanction / Approval Optical cable (continued) X continued EN 4641-001:2009 (E) 10 Table — Tests: methods, application and requirements (continued) X Test method 505 Method A or B as defined in the appropriate product standard As detailed in the appropriate product standard X Test method 506 As detailed in the appropriate product standard 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 3745 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 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 product standard Strippability EN 3745 X Test method 701 As detailed in the appropriate product standard Durability of manufacturer’s marking EN 3745 X Test method 703 As detailed in the appropriate product standard Tensile strength EN 3745 X Impact test EN 3745 Cut-through Prior to delivery Sanction / Approval Description On all cables Requirements (and / or particulars) Standard Qualification Periodic Every years Table — Tests: methods, application and requirements (concluded) Optical cable (concluded) X EN 4641-001:2009 (E) 11 BS EN 4641-001:2009 EN 4641-001:2009 (E) 6.2.3 Sampling and definition of specimens See EN 3745-100 and product standard 6.2.4 Preparation of specimens See EN 3745-100 and product standard 6.3 Qualification group and maintenance of qualification The tests shall be carried out every 36 months after qualification on specimens taken at random 6.4 Quality control Inspections, which are intended to maintain the required quality level, are in their entirety the responsibility of the manufacturer, ranging from materials through delivery of the product The quality department of the manufacturer shall be able to demonstrate, at any given time, that the product complies with the manufacturing documentation and with the product standard concerned There shall be a monitoring system in place for the various inspection phases This shall be by documentary evidence kept available by the manufacturer for a period of five years and submitted to the national official services on request 7.1 Designation and marking General principle of designation Each fibre optic cable will be designated as in the following example Description block Identity block OPTICAL ENXXXX-XXX Number of the basic standard Product standard 7.2 Marking Except where specified in the product standard, the marking shall comprise of the cable reference, the manufacturer and the two digits of the year of manufacture shall conform to ISO 2574 The marking may be done wholly or partially in code by agreement with the user The outer jacket of the cable shall accept marking with UV laser Hot stamping is forbidden 12 BS EN 4641-001:2009 EN 4641-001:2009 (E) 7.3 Colours The colour of the outer jacket will be defined in the product standard The colour of markings will be defined in the product standard 8.1 Delivery conditions Packaging Cables supplied on drums, spools or in coils shall be wound evenly and uniformly All cable ends shall be easily accessible and protected where necessary Cables shall be wound with a radius not less than the minimum, long term bend radius of the cable 8.2 Labelling Each drum, spool or coil shall have a label indicating: manufacturer’s name and designation; cable designation according to the EN product standard; batch number; date of manufacture (month, year); inspector’s mark 8.3 Delivery lengths The minimum delivery length of a fibre or cable is defined in the product standard Storage Fibre optic cables shall be stored in accordance with the appropriate product standard 13 BS EN 4641-001:2009 BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter Revisions British Standards are updated by amendment or revision Users of British Standards should make sure that they possess the latest amendments or editions It is the constant aim of BSI to improve the quality of our products and services We would be grateful if anyone finding an inaccuracy or ambiguity while using this British 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