1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4641-103:2010Aerospace series Cables, optical 125 nullm diameter claddingPart 103: Semi-loose, ruggedized simplex construction 62,5/125 m GI fibre nominal 2,74 mm, outside
2、diameter Product standardBS EN 4641-103:2010 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4641-103:2010.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organiz
3、ations represented on this 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. BSI 2010ISBN 978 0 580 57826 7ICS 49.060Compliance with a British Standard cannot
4、confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 December 2010.Amendments issued since publicationDate Text affectedBS EN 4641-103:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4641-103 Novemb
5、er 2010 ICS 49.090 English Version Aerospace series - Cables, optical 125 m diameter cladding - Part 103: Semi-loose, ruggedized simplex construction 62,5/125 m GI fibre nominal 2,74 mm, outside diameter - Product standard Srie arospatiale - Cble, optique, diamtre extrieur de la gaine optique 125 m
6、- Partie 103 : Cble structure semi libre, renforce, monovoie fibre gradient dindice 62,5/125 m, diamtre extrieur 2,74 mm - Norme de produit Luft- und Raumfahrt - Lichtwellenleiterkabel, Claddingdurchmesser 125 m - Teil 103: Halbfester Leiteraufbau GI 62,5/125 m, Faser Kabelauendurchmesser 2,74 mm -
7、Produktnorm This European Standard was approved by CEN on 2 July 2010. 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 bibliograph
8、ical 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 three official versions (English, French, German). A version in any other language made by translation under the responsibilit
9、y 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 bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hu
10、ngary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Cen
11、tre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4641-103:2010: EBS EN 4641-103:2010EN 4641-103:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Terms and definitions
12、.44 Required characteristics .45 Cable construction 56 Materials .57 Test methods and performances in accordance with EN 3745-100 .67.1 Optical fibre tests.67.2 Fibre optic component cable tests 67.3 Ruggedized fibre optic cable 68 Tooling . 109 Quality assurance . 1010 Designation, marking and colo
13、urs 1010.1 Designation . 1010.2 Marking 1110.3 Colours 1111 Delivery conditions . 1111.1 Packaging 1111.2 Labelling 1111.3 Delivery lengths 1112 Storage . 11BS EN 4641-103:2010EN 4641-103:2010 (E) 3 Foreword This document (EN 4641-103:2010) has been prepared by the Aerospace and Defence Industries A
14、ssociation 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.
15、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 May 2011, and conflicting national standards shall be withdrawn at the latest by May 2011. Attention is drawn to the possibility that some of the el
16、ements 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
17、European Standard: Austria, Belgium, Bulgaria, Croatia, 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 a
18、nd the United Kingdom. BS EN 4641-103:2010EN 4641-103:2010 (E) 4 1 Scope This product standard specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 62,5/125 m single mode fibre core, 2,74 mm outside cable diameter and of
19、 semi-loose construction. The basic construction is the cable defined in EN 4641-102 with added sheaths for ruggedized usages. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For u
20、ndated references, the latest edition of the referenced document (including any amendments) applies. EN 2424, Aerospace series Marking of aerospace products EN 2812, Aerospace series Stripping of electrical cables 1)EN 3475-601, Aerospace series Cables, electrical, aircraft use Test methods Part 601
21、: Smoke density EN 3475-602, Aerospace series Cables, electrical, aircraft use Test methods Part 602: Toxicity EN 3745-100, 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 e
22、lectrical cables 1)EN 3909, Aerospace series Test fluids for electric components and sub-assemblies EN 4641-102, Aerospace series Cables, optical 125 m outside diameter cladding Part 102: Semi-loose 62,5/125 m GI fibre nominal 1,8 mm outside diameter Product standard EN 9133, Aerospace series Qualit
23、y management systems Qualification procedure for aerospace standard parts TR 4647, Aerospace series Termination procedure for EN 4639 optical contact 2)3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3745-100 apply. 4 Required characteristics The char
24、acteristics of the cables, tested according to the methods described hereafter shall comply with the values defined in this product standard. 1) Published as ASD-STAN Prestandard at the date of publication of this standard by Aerospace and Defence Industries Association of Europe-Standardization (AS
25、D-STAN), (www.asd-stan.org). 2) Published as ASD-STAN Technical Report at the date of publication of this standard by Aerospace and Defence Industries Association of Europe-Standardization (ASD-STAN), (www.asd-stan.org). BS EN 4641-103:2010EN 4641-103:2010 (E) 5 5 Cable construction See Figure 1 and
26、 Table 1. Key 1 Glass braid 2 Jacket Extruded fluoropolymer 3 EN 4641-102 fibre cable Figure 1 Table 1 Property Value EN 4641-102 Fibre optic cable (1,80 0,12) mm Finished cable diameter (2,74 0,25) mm Cable mass 10,7 g/m Operating temperature 65 C to 150 C Attenuation at 850 nm (20 C) 4,0 dB/km Att
27、enuation at 1 300 nm (20C) 2,0 dB/km Numerical aperture 0,275 0,015 Minimum bend radius (20 C) Installation: 27 mm (10 outside diameter) Long term: 27 mm (10 outside diameter) Storage: 54 mm (20 cable outside diameter) 6 Materials See Table 2. Table 2 Element Material Fibre cable component EN 4641-1
28、02 Fibre optic cable Overall braid Fibre glass woven braid Outer jacket Extruded fluoropolymer TYPE1 CLASS 1 FIBER OPTIC CABLEBARRIER:FIBERGLASS BRAIDOVERALL JACKET: PFA312 BS EN 4641-103:2010EN 4641-103:2010 (E) 6 7 Test methods and performances in accordance with EN 3745-100 7.1 Optical fibre test
29、s In accordance with EN 4641-102. 7.2 Fibre optic component cable tests In accordance with EN 4641-102. 7.3 Ruggedized fibre optic cable Tests in accordance with Table 3. Table 3 Ruggedized fibre optic cable test methods Test Test method EN 3745- Test conditions and results Visual examination 201 Th
30、e outer jacket shall have the correct identification as specified in this standard. The coating shall be continuous and free of visible defects such as lumps, abrasions, cracks, splits or blisters. Sample length : 3 m Outer jacket outside diameter 203 (2,74 0,25) mm Outer jacket wall thickness 203 M
31、inimum wall 0,20 mm Longitudinal stability 205 The change in longitudinal dimensions between A and B shall not exceed the maximum value of 5 mm. Number of samples: 3 Sample Length: (3,5 0,03) m Test Method EN 3745-402 25 cycles Fibre attenuation 301 Method D Maximum attenuation 4 dB/km at 850 nm, 2
32、dB/km at 1 300 nm at 20 C Minimum sample length: 100 m Cable immunity to ambient light 305 Not applicable. This is a EN 4641-102 component test. Cable accelerated aging 401 Not applicable if jacket materials are the same. This is a EN 4641-102 component test. Attenuation during temperature cycling 3
33、06 Visual examination in accordance with EN 3745-201 Maximum variation of attenuation: 0,25 dB at 850 nm and 1 300 nm Test Method EN 3745-402 10 cycles High temperature : 150 C Low temperature: 65 C Duration at extreme temperatures: 30 minutes Rate of change: 5 C per minute Number of samples: 3 Samp
34、le Length: 20 m continued BS EN 4641-103:2010EN 4641-103:2010 (E) 7 Table 3 Ruggedized fibre optic cable test methods (continued) Test Test method EN 3745- Test conditions and results Thermal shock 404 Visual examination in accordance with EN 3745-201 Maximum permissible variation in attenuation dur
35、ing test sequence and after 24 h: 0,25 dB at 850 nm and 1 300 nm. High temperature: 150 C Low temperature: 65 C Duration at extreme temperatures: 30 minutes Number of samples: 3 Sample Length: 20 m Number of temperature cycles: 10 Cold bend 406 Maximum permissible variation in attenuation: 0,25 dB a
36、t 850 nm and 1 300 nm. Visual examination in accordance with EN 3745-201. 1 hour soak at: 65 C Mandrel size: (50 1) mm Mandrel wraps: 10 Number of samples: 1 Sample Length: 10 m Flammability 407 No flaming particles shall fall from the sample during the test and the tissue paper shall not be ignited
37、. Period of flame application: 30 seconds Maximum burn length: 75 mm Self extinguish after 5 seconds Number of samples: 3 Sample length: (1 0,05) m Thermal life 410 Not applicable if jacket materials are the same. This is a EN 4641-102 component test. Resistance to fluids 411 Method 2 Not applicable
38、 if jacket materials are the same. This is a EN 4641-102 component test. Humidity resistance 412 Not applicable if jacket materials are the same. This is a EN 4641-102 component test. Scrape abrasion 503 Maximum variation in attenuation: 0,25 dB at 850 nm and 1 300 nm. Visual examination in accordan
39、ce with EN 3745-201 Number of samples: 3 Sample length: 3,0 m Test at ambient temperature: 20 C Load: 7 N Number of cycles: 500 Test at high temperature: 150 C Load: 2,2 N Number of cycles: 500 Tensile strength 505 Maximum variation in attenuation: 0,25 dB at 850 nm and 1 300 nm. Tensile Strength: 5
40、0 N Mandrel diameter: 28 mm Pulling speed: (50 10) mm/min Number of samples: 3 Sample length: 5 m continued BS EN 4641-103:2010EN 4641-103:2010 (E) 8 Table 3 Ruggedized fibre optic cable test methods (continued) Test Test method EN 3745- Test conditions and results Impact resistance 506 Maximum vari
41、ation in attenuation: 0,25 dB at 850 nm and 1 300 nm. No Jacket cracks/splits Test temperature: 20 C Load to be applied: 15 N Radius intermediate piece: 12 mm Drop height: 150 mm Number of impacts: 2 Number of samples: 3 Sample length: 700 mm Cut-through 507 Visual examination in accordance with EN
42、3745-201 Monitor attenuation to determine fibre breakage of the sample during testing at 20 C and 150 C. Loads to be applied: Ambient (20 C): 330 N High temperature (150 C): 85 N Duration of load application: 1 min Number of samples: 3 Sample length: 3 m Torsion 508 Added to test criterion: No crack
43、ing or splitting of cable jacket Maximum variation of attenuation at 850 nm and 1 300 nm. For one cycle: 0,10 dB For 1 000 cycles: 0,10 dB Number of samples: 3 Sample length: 3,0 m Load to be applied: 150 N Number of cycles: 1 000 Distance between the rotating grip and the fixed grip: (0,25 0,05) m
44、Kink 509 No kink shall occur at a diameter greater than minimum loop diameter. Maximum permissible variation of attenuation: 0,10 dB at 1,310 nm Minimum loop diameter: 20 mm Number of samples: 3 Sample length: 10 times bend radius Bend 510 Method B Maximum variation of attenuation: 0,25 dB at 850 nm
45、 and 1 300 nm. Residual attenuation after removing the specimen from the test equipment: 0,10 dB at 850 nm and 1 300 nm. Visual examination in accordance with EN 3745-201 Mandrel diameter: 25 mm Number of turns: 10 Number of samples: 1 Sample length: (10 0,05) m Cable to cable abrasion 511 Not appli
46、cable if jacket materials are the same. This is a EN 4641-102 component test. continued BS EN 4641-103:2010EN 4641-103:2010 (E) 9 Table 3 Ruggedized fibre optic cable test methods (continued) Test Test method EN 3745- Test conditions and results Flexure endurance 512 Examination of test specimen for
47、 damage in accordance with EN 3745-201 (visual examination). Maximum permissible variation of attenuation: 0,25 dB at 850 nm and 1 300 nm. Number of samples: 3 Length of the sample: 5 m Load to be applied: 11,5 N Diameter of mandrel: 28 mm Number of cycles: 100 000 Crush resistance 513 Maximum varia
48、tion of attenuation: 0,05 dB at 850 nm and 1 300 nm. No cracking or splitting of cable jacket Load: 445 N Area of load: 100 mm2 Number of samples: 3 Sample length: 3 m Severe cable bend 516 Examination of test specimen for damage in accordance with EN 3745-201 (visual examination). No fibre breakage. Load to be applied : 45 N Maximum edge radius: 127 m Number of cycles: One bend in each direction Number of samples: 3 Length of the sample: 3 m Cable clamping 517 Typical requirements: Maximum transmittance change: 0,05 dB at 850 nm. Mandrel diameter: (13 1) m
