ASD-STAN PREN 4641-103-2010 Aerospace series Cables optical 125 mue m diameter cladding Part 103 Semi-loose ruggedized simplex construction 62 5 125 mue m GI fibre nominal 2 74 mm .pdf

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1、ASD STANDARD NORME ASD ASD NORM prEN 4641-103 Edition P 1 January 2010PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Avenue de Tervuren, 270 - B-1150 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.orgICS: 49.060 Descriptors: ENGLISH VERSI

2、ON 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 Partie 103 : Cble structure semi libre,

3、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 Produktnorm This “Aerospace Series“ Prestandard ha

4、s been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Su

5、bsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be subm

6、itted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing

7、any national standards conflicting with the EN. Edition approved for publication 31 January 2010 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2010 by ASD-STAN prEN 4641-103:2010 (E) 2 Contents Page Foreword2 1 Scope 3 2 Normative ref

8、erences 3 3 Terms and definitions .3 4 Required characteristics.3 5 Cable construction 4 6 Materials .4 7 Test methods and performances .5 8 Tooling 9 9 Quality assurance9 10 Designation, marking and colours.9 11 Delivery conditions. 10 12 Storage. 10 Foreword This standard was reviewed by the Domai

9、n Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4641-103:2010 (E) 3 1 Scope This product standard specifies th

10、e 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 semi loose construction. The basic construction is the cable defined in EN 4641-102 with added sheaths for

11、 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 undated references, the latest edition of the referenced document (including any amendments) applies. EN 242

12、4, 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: Smoke density EN 3475-602, Aerospace series Cables, electrical, aircraft use Test methods Part 602: Toxic

13、ity EN 3745-100 (all parts), 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 for electric components and sub-assemb

14、lies EN 4641-102, Aerospace series Cables, optical 125 m diameter cladding Part 102: Semi-loose 62,5/125 m GI fibre nominal 1,8 mm outside diameter Product standard 1)EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts TR 4647, Aerospace series T

15、ermination 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 characteristics of the cables, tested according to the methods described hereafter shall comply with the

16、values defined in this product standard. 1) Published as ASD-STAN Prestandard at the date of publication of this standard. 2) Published as ASD-STAN Technical Report at the date of publication of this standard. prEN 4641-103:2010 (E) 4 5 Cable construction See Figure 1 and Table 1. Key 1 Glass braid

17、2 Jacket Extruded fluoropolymer 3 EN 4641-102 fibre cable Figure 1 Table 1 Property Value EN 4641-102 fibre optic cable (1,80 ,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 Attenuation at 1 300 nm (20C) 2,

18、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 4641-102 Fibre optic cable Overall

19、braid Fibre glass woven braid Outer jacket Extruded fluoropolymer TYPE1 CLASS 1 FIBER OPTIC CABLEBARRIER:FIBERGLASS BRAIDOVERALL JACKET: PFA312 prEN 4641-103:2010 (E) 5 7 Test methods and performances 7.1 Tests in accordance with EN 3745-100 7.1.1 Optical fibre tests In accordance with EN 4641-102.

20、7.1.2 Fibre optic component cable tests In accordance with EN 4641-102. 7.1.3 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 The outer jacket shall have the

21、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 Minimum wall 0,20 mm Longitudin

22、al 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 dB/km at 1 300 nm at 20 C Minim

23、um 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 306 Visual examination in accordan

24、ce 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 Sample Length: 20 m continued prEN 46

25、41-103:2010 (E) 6 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 during test sequence and after 24 h: 0,25 dB at 850 n

26、m 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 at 850 nm and 1300 nm. Visual examination in accord

27、ance 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 application: 30 seconds Maximum b

28、urn 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 if jacket materials are the same. This is a EN 464

29、1-102 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 accordance with EN 3745-201 Number of samples: 3 Sample len

30、gth: 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: 50 N Mandrel diameter: 28 mm Pulling speed: (50 10)

31、mm/min Number of samples: 3 Sample length: 5 m continued prEN 4641-103:2010 (E) 7 Table 3 Ruggedized fibre optic cable test methods (continued) Test Test method EN 3745- Test conditions and results Impact 506 Maximum variation in attenuation: 0,25 dB at 850 nm and 1 300 nm. No Jacket cracks/splits T

32、est 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 3745-201 Monitor attenuation to determine fibre breakage of the sample during t

33、esting 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 cracking or splitting of cable jacket Maximum variation of attenuation at 850 nm and

34、 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 Kink 509 No kink shall occur at a diameter greater than minimum loop diameter.

35、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 and 1 300 nm. Residual attenuation after removing the specimen from the test e

36、quipment: 0,10 dB at 850 nm and 1300 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 applicable if jacket materials are the same. This is a EN 4641-102 component test. co

37、ntinued prEN 4641-103:2010 (E) 8 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 damage in accordance with EN 3745-201 (visual examination). Maximum permissible variation of att

38、enuation: 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 variation of attenuation: 0,05 dB at 850 nm and 1 300 nm. No cracking or splitting of cable jacket Loa

39、d: 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 directi

40、on 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) mm Number of cable ties applied: 6 Cable tie tension setting: #1 Cable tie spacing: 90 mm Number of samples: 3 Sample length: 4 m Smok

41、e 601 Test method: EN 3475-601 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 EN 3475-602 HF 300 ppm HCL 150 ppm HCN 150 ppm SO2 100 ppm H2S 100 ppm NO 100 p

42、pm NO2 100 ppm CO 1000 ppm continued prEN 4641-103:2010 (E) 9 Table 3 Ruggedized fibre optic cable test methods (concluded) Test Test method EN 3745- Test conditions and results Nuclear radiation 603 Not applicable Cable stripping 701 Jacket: 5 N per 30 mm Blade design (see EN 2812) Pulling speed 25

43、 mm/min to 50 mm/min Durability of manufacturers identity markings 703 Examine marking in accordance with EN 3745-201 visual examination. Number of samples: 3 Sample length: (2 0,05) m Load: 1.5 N Number of cycles: 125 Not applicable if marker tape used under outer jacket. Contrast measurement 705 4

44、0 % for UV laser marked cable. Not applicable if marker tape used under outer jacket. Durability of user identification markings 706 EN 3838 Except 6.8 Not applicable General test conditions: The tests shall be performed with the following launch condition: 70/70 % 8 Tooling See TR 4647 termination

45、processes. 9 Quality assurance See EN 9133. 10 Designation, marking and colours 10.1 Designation EXAMPLE Description block CABLE FIBRE OPTIC Identity block EN4641-103 Number of the basic standard Product standard prEN 4641-103:2010 (E) 10 10.2 Marking The marking shall comprise of the cable referenc

46、e, the manufacturer code and the last two digits of the year of manufacture shall conform to EN 2424. The marking may be done wholly or partially in code by agreement with the user. The cable shall use marker tape under the outer jacket or the outer jacket shall be marked with a UV laser. Hot stampi

47、ng is forbidden. 10.3 Colours The colour of the outer jacket will be light purple or as specified by customer. 11 Delivery conditions 11.1 Packaging See EN 4641-001. 11.2 Labelling See EN 4641-001. 11.3 Delivery lengths The minimum delivery length of a fibre or cable is by agreement between customer and supplier. 12 Storage Fibre optic cables shall be stored as described hereunder: Humidity: 90 % Temperatures: 65 C to 85 C CAUTION Let cable warm up prior to handling if fibre optic cable has been stored for prolonged periods of time below 0 C Tensile strength on cable 30 N.

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