1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4641-105:2010Aerospace series Cables, optical 125 nullm diameter claddingPart 105: Semi-loose, ruggedized quadraxial construction 62,5/125 m GI fibre nominal, 5,72 mm outsi
2、de diameter Product standardBS EN 4641-105:2010 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4641-105:2010.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of orga
3、nizations 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 57828 1ICS 49.060Compliance with a British Standard cann
4、ot 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 affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4641-105 November 2010 ICS 49.0
5、90 English Version Aerospace series - Cables, optical 125 m diameter cladding - Part 105: Semi-loose, ruggedized quadraxial construction 62,5/125 m GI fibre nominal, 5,72 mm outside diameter - Product standard Srie arospatiale - Cble, optique, diamtre extrieur de la gaine optique 125 m - Partie 105
6、: Cble structure semi libre, construction quarte renforce, fibre gradient dindice 62,5/125 m, diamtre extrieur 5,72 mm - Norme de produit Luft- und Raumfahrt - Lichtwellenleiterkabel, Manteldurchmesser 125 m - Teil 105: Kompaktader, widerstandsfhig quadraxiale Konstruktion 62, 5/125 m GI-Faser, Kabe
7、lauendurchmesser 5,72 mm - Produktnorm This European Standard was approved by CEN on 7 August 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-
8、to-date lists and bibliographical 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 transl
9、ation under the responsibility 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
10、, 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 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMI
11、TEE FR NORMUNG 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 4641-105:2010: EBS EN 4641-105:2010EN 4641-105:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative referen
12、ces 43 Terms and definitions .44 Required characteristics .45 Cable construction 56 Materials .67 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 . 119 Quality assurance . 1110
13、Designation, marking and colours 1110.1 Designation . 1110.2 Marking 1110.3 Colours 1111 Delivery conditions . 1111.1 Packaging 1111.2 Labelling 1111.3 Delivery lengths 1112 Storage . 12BS EN 4641-105:2010EN 4641-105:2010 (E) 3 Foreword This document (EN 4641-105:2010) has been prepared by the Aeros
14、pace 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
15、 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 the po
16、ssibility 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
17、 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, Slovenia,
18、 Spain, Sweden, Switzerland and the United Kingdom. BS EN 4641-105:2010EN 4641-105:2010 (E) 4 1 Scope This product standard specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with four 62,5/125 m Graded Index fibre cores, 5,7
19、2 mm nominal outside diameter and of semi loose construction. The basic construction is a pair of the cables defined in with added sheaths for ruggedized usages. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, on
20、ly 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: General EN 383
21、8, 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 Part 102: Semi-loo
22、se 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 the purposes of
23、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 at the date of pu
24、blication 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-Standardization (ASD-ST
25、AN), (www.asd-stan.org). BS EN 4641-105:2010EN 4641-105:2010 (E) 5 5 Cable construction See Figure 1 and Table 1. Key 1 Filler 5 places 2 Overall jacket 3 Natural 4 Single fibre optic cables 5 PTFE barrier tape Figure 1 2 1 5 34 BS EN 4641-105:2010EN 4641-105:2010 (E) 6 Table 1 Property Value EN 464
26、1-102 Fibre optic cable (1,80 1,2) mm Finished cable diameter 5,72 mm Cable mass 40 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: 60 mm (10 outside diameter)
27、Long term: 60 mm (10 outside diameter) Storage: 130 mm (20 cable outside diameter) 6 Materials See Table 2. Table 2 Element Material 4 - Fibre cable components EN 4641-102 Fibre optic cable 5 fillers PTFE Barrier tape PTFE Outer jacket Extruded fluoropolymer 7 Test methods and performances in accord
28、ance 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. 7.3 Ruggedized fibre optic cable Tests in accordance with Table 3. BS EN 4641-105:2010EN 4641-105:2010 (E) 7 Table 3 Ruggedized fibre optic cable test m
29、ethods 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. The coating shall be continuous and free of visible defects such as lumps, abrasions, cracks, splits or blister
30、s. Sample length: 3 m Outer jacket outside diameter 203 (5,72 0,25) mm Outer jacket wall thickness 203 Minimum wall 0,20 mm Cable longitudinal dimensional 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
31、: (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 to ambient light coupling 305 Not applicable. This is an EN 4641-102 component test. Cable accelerated ageing
32、 401 Not applicable if jacket materials are the same. This is an EN 4641-102 component test. Variation of attenuation during temperature cycling 306 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 H
33、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: 20 m Thermal shock 404 Visual examination in accordance with EN 3745-201. Maximum permissible variation in attenuation during test sequence and
34、 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 continued BS EN 4641-105:2010EN 4641-105:2010 (E) 8 Table 3 Ruggedized fibre optic cable t
35、est methods (continued) Designation of the test Test method EN 3745- Test conditions and results Cold bend 406 Maximum permissible variation in attenuation: 0,25 dB at 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:
36、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 application: 30 seconds Maximum burn length: 75 mm Self extinguish after 5 seconds Number of samples: 3 Sample lengt
37、h: (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 are the same. This is an EN 4641-102 component test. Humidity resistance 412 Not applicable if jacket materials
38、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. Number of samples: 3 Sample length: 3 m Test at ambient temperature: Load: 7 N Number of cycles: 500 Test at h
39、igh temperature: 150 C Load: 22 N Number of cycles: 500 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 506 Maximum variation in attenuat
40、ion: 0,1 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 continued BS EN 4641-105:2010EN 4641-105:2010 (E) 9 Table 3 Ruggedized fibre optic cabl
41、e test methods (continued) Test Test method EN 3745- Test conditions and results Cut-through 507 Visual examination in accordance with EN 3745-201. Monitor attenuation to determine fibre breakage of the sample during testing at 20 C and 150 C. Test at ambient temperature (20 C): Load: 330 N Test at
42、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 splitting of cable jacket Maximum variation of attenuation: For one cycle: 0,1 dB For 1 000 cycles: 0,1 dB Number of samples: 3 Sa
43、mple 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 attenuation: 0,25 dB Residual attenuation after removing the specimen from the test equipment: 0,1 dB. Visual examination in
44、accordance with EN 3745-201. Mandrel diameter: 50 mm Number of turns: 10 Number of samples: 1 Sample length: 10 m Cable to cable abrasion 511 Not applicable if jacket materials are the same. This is an EN 4641-102 component test. Flexure endurance 512 Examination of test specimen for damage in accor
45、dance with EN 3745-201 (visual examination). Maximum permissible variation of attenuation: 0,25 dB 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 variation of attenuation: 0,5 dB No cracking
46、or splitting of cable jacket Load: 445 N Area of load: 100 mm2 Number of samples: 3 Sample length: 3 m continued BS EN 4641-105:2010EN 4641-105:2010 (E) 10 Table 3 Ruggedized fibre optic cable test methods (concluded) Designation of the test Test method EN 3745- Test conditions and results Extreme c
47、able bend 516 Examination of test specimen for damage in accordance with EN 3745-201 (visual examination). No fibre breakage. 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
48、 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 conditions. Value must be measured at the end of the test. Toxicity 602 HF 300 ppm HCL 150 ppm HCN 150 ppm SO2 100 ppm H2S 100 ppm NO 100 ppm NO2 100 ppm CO 1 000 ppm Nucle
