1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4641-104:2010Aerospace series Cables, optical 125 nullm diameter claddingPart 104: Semi-loose, ruggedized duplex construction 62,5/125 m GI fibre nominal, 4,95 mm outside d
2、iameter Product standardBS EN 4641-104:2010 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4641-104:2010.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organiza
3、tions 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 57827 4ICS 49.060Compliance with a British Standard cannot c
4、onfer 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 4641-104:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4641-1 0 4 Novem
5、ber 2010 ICS 49.060 English Version Aerospace series - Cables, optical 125 m diameter cladding - Part 104: Semi-loose, ruggedized duplex construction 62,5/125 m GI fibre nominal, 4,95 mm outside diameter - Product standard Srie arospatiale - Cble, optique, diamtre extrieur de la gaine optique 125 m
6、- Partie 104 : Cble structure semi-libre, renforce, double voie fibre gradient dindice 62,5/125 m, diamtre extrieur 4,95 mm - Norme de produit Luft- und Raumfahrt - Lichtwellenleiterkabel, Claddingdurchmesser 125 m - Teil 104: Halbfester Leiteraufbau GI 62,5/125 m, Faser Kabelauendurchmesser 4,95 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 bibliogr
8、aphical 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 responsibi
9、lity 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,
10、 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 C O M I T E U R O P E N D E N O R M A LI S A T I O N EUR OP IS C HES KOM
11、ITEE FR NOR M UN G Management Centre: 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 4641-104:2010: E BS EN 4641-104:2010EN 4641-104:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative re
12、ferences 43 Terms and definitions .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 .
13、1010 Designation, marking and colours 1010.1 Designation . 1010.2 Marking 1010.3 Colours 1011 Delivery conditions . 1111.1 Packaging 1111.2 Labelling 1111.3 Delivery lengths 1112 Storage . 11BS EN 4641-104:2010EN 4641-104:2010 (E) 3 Foreword This document (EN 4641-104:2010) has been prepared by the
14、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,
15、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 May 2011, and conflicting national standards shall be withdrawn at the latest by May 2011. Attention is drawn to t
16、he 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 coun
17、tries are bound to implement this 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, Slov
18、enia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4641-104:2010EN 4641-104:2010 (E) 4 1 Scope This product standard specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with two 62,5/125 m graded index fibre cores,
19、 4,95 mm nominal outside diameter and of semi-loose construction. The basic construction is a pair of the cables 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 date
20、d references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2424, Aerospace series Marking of aerospace products EN 3745-100, Aerospace series Fibres and cables, optical, aircraft use Test methods Part 100
21、: General EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables 1)EN 4641-001, Aerospace series Cables, optical 125 m diameter cladding Part 001: Technical specification EN 4641-102, Aerospace series Cables, optical 125 m outside diameter cladding Pa
22、rt 102: Semi-loose 62,5/125 m GI fibre nominal 1,8 mm outside diameter Product standard EN 9133, Aerospace series Quality 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
23、the purposes of this document, the terms and definitions given in EN 3745-100 apply. 4 Required characteristics The characteristics 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 a
24、t the date of publication of this standard by Aerospace and Defence Industries Association of Europe-Standardization (ASD-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-Standar
25、dization (ASD-STAN), (www.asd-stan.org). BS EN 4641-104:2010EN 4641-104:2010 (E) 5 5 Cable construction See Figure 1 and Table 1. Key 1 Filler 2 places 2 Jacket Extruded fluoropolymer 3 Green tracer or laser ID 4 EN 4641-102 fibre cable 5 PTFE barrier tape Figure 1 Table 1 Property Value EN 4641-102
26、 Fibre optic cable (1,80 1,2) mm Finished cable diameter 4,95 mm Cable mass 26,5 g/m Operating temperature 65 C to 150 C Attenuation at 850 nm (20 C) 4 dB/km Attenuation at 1 300 nm (20 C) 2 dB/km Numerical aperture 0,275 0,015 Minimum bend radius (20 C) Installation: 50 mm (10 outside diameter) Lon
27、g term: 50 mm (10 outside diameter) Storage: 100 mm (20 cable outside diameter) 6 Materials See Table 2. TWO TYPE 1 CLASS 1 FIBER OPTIC CABLESBARRIER :NATURAL2 - EN 4641 -102 Fiber Optic CablesPTFE Barrier Tape4 5 213BS EN 4641-104:2010EN 4641-104:2010 (E) 6 Table 2 Element Material 2 - Fibre cable
28、components EN 4641-102 Fibre optic cable 2 fillers PTFE Barrier tape PTFE Outer jacket Extruded fluoropolymer 7 Test methods and performances in accordance with EN 3745-100 7.1 Optical fibre tests In accordance with EN 4641-102. 7.2 Fibre optic component cable tests In accordance with EN 4641-102. 7
29、.3 Ruggedized fibre optic cable Tests in accordance with Table 3. Table 3 Ruggedized fibre optic cable test methods Designation of the test Test method EN 3745- Test conditions and results Visual examination 201 The outer jacket shall have the correct identification as specified in this standard. Th
30、e 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 (4,95 0,25) mm Outer jacket wall thickness 203 Minimum wall 0,20 mm Cable longitudinal dimensional stability 205 The change in longitud
31、inal 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 dB/km at 1 300 nm at 20 C Minimum sample length: 100 m Cable immunity
32、 to ambient light coupling 305 Not applicable. This is an EN 4641-102 component test. Cable accelerated ageing 401 Not applicable if jacket materials are the same. This is an EN 4641-102 component test. continued BS EN 4641-104:2010EN 4641-104:2010 (E) 7 Table 3 Ruggedized fibre optic cable test met
33、hods (continued) Designation of the test Test method EN 3745- Test conditions and results Variation of attenuation during temperature cycling 306 Visual examination in accordance with EN 3745-201. Maximum variation of attenuation: a 0,25 dB at 850 nm and 1 300 nm. Test method EN 3745-402 10 cycles H
34、igh temperature: 150 C Low temperature: 65 C Duration at extreme temperatures: 30 minutes Rate of change: 5 C per minute Number of samples: 3 Sample length: 5 m Thermal shock 404 Visual examination in accordance with EN 3745-201. Maximum permissible variation in attenuation during test sequence and
35、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: 10 m Number of temperature cycles: 10 Cold bend 406 Maximum permissible variation in attenuation: 0,25 dB at 850 nm and 1 300 nm.
36、 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. Period of flame appl
37、ication: 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 an EN 4641-102 component test. Resistance to fluids 411 Method 2 Not applicable if jacket materials
38、are the same. This is an EN 4641-102 component test. Humidity resistance 412 Not applicable if jacket materials are the same. This is an 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 accordance with EN 3745-201
39、. Number of samples: 3 Sample length: 3 m Test at ambient temperature: Load: 7 N Number of cycles: 500 Test at high temperature: 150 C Load: 22 N Number of cycles: 500 continued BS EN 4641-104:2010EN 4641-104:2010 (E) 8 Table 3 Ruggedized fibre optic cable test methods (continued) Test Test method E
40、N 3745- Test conditions and results Tensile strength 505 Maximum variation in attenuation: 0,25 dB at 850 nm and 1 300 nm. Mandrel diameter: 50 mm Tensile Strength: 50 N Pulling speed: (50 10) mm/min Number of samples: 3 Sample length: 5 m Impact resistance 506 Maximum variation in attenuation: 0,1
41、dB at 850 nm and 1 300 nm. Test at ambient temperature: 20 C Load to be applied: 15 N Radius intermediate piece: 12 mm Drop height: 150 mm Number of impacts: 10 Number of samples: 3 Sample length: 700 mm Cut-through 507 Visual examination in accordance with EN 3745-201. Monitor attenuation to determ
42、ine fibre breakage of the sample during testing at 20 C and 150 C. Test at ambient temperature (20 C): Load: 330 N Test at high temperature (150 C): 85 N Load: 85 N Duration of load application: 1 min Number of samples: 3 Sample length: 3 m Torsion 508 Added to test criterion: No cracking or splitti
43、ng of cable jacket Maximum variation of attenuation: For one cycle: 0,1 dB For 1 000 cycles: 0,10 dB Number of samples: 3 Sample length: 3 m Load to be applied: 150 N Number of cycles: 1 000 Distance between the rotating grip and the fixed grip: (0,25 0,01) m Bend 510 Method B Maximum variation of a
44、ttenuation: 0,25 dB at 850 nm and 1 300 nm. Residual attenuation after removing the specimen from the test equipment: 0,1 dB. Visual examination in accordance with EN 3745-201. Mandrel diameter: (50 1) mm Number of turns: 10 Number of samples: 1 Sample length: 10 m Cable to cable abrasion 511 Not ap
45、plicable if jacket materials are the same. This is an EN 4641-102 component test. continued BS EN 4641-104:2010EN 4641-104:2010 (E) 9 Table 3 Ruggedized fibre optic cable test methods (continued) Designation of the test Test method EN 3745- Test conditions and results Flexure endurance 512 Examinati
46、on of test specimen for 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 resis
47、tance 513 Maximum variation of attenuation: 0,1 dB No cracking or splitting of cable jacket Load: 445 N Area of load: 100 mm2 Number of samples: 3 Sample length: 3 m Extreme cable bend 516 Examination of test specimen for damage in accordance with EN 3745-201 (visual examination). No fibre breakage.
48、 Maximum permissible variation of attenuation: 0,50 dB Load to be applied : 127 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 Mandrel diameter: (13 1) mm Cable tie spacing: 90 mm Number of cable ties applied: 6 Cable tie tension setting: #1 Number of samples: 3 Sample length: 4 m Smoke density 601 Specific optical smoke density (average) Ds 200 within 4 minutes test duration under both the flaming and non-flaming con
