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    ASD-STAN PREN 4641-101-2013 Aerospace series Cables optical 125 diameter cladding Part 101 Tight structure 62 5 core GI fibre 0 9 mm outside diameter Product standard (Edition P 1).pdf

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    ASD-STAN PREN 4641-101-2013 Aerospace series Cables optical 125 diameter cladding Part 101 Tight structure 62 5 core GI fibre 0 9 mm outside diameter Product standard (Edition P 1).pdf

    1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4641-101 Edition P 1 November 2013 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONRue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.orgICS: Descriptors: ENGLISH VERSIO

    2、N Aerospace series Cables, optical 125 m diameter cladding Part 101: Tight structure 62,5 m core GI fibre 0,9 mm outside diameter Product standard Srie arospatiale Cbles, optiques, diamtre extrieur de la gaine optique 125 m Partie 101 : Cble structure serre, fibre gradient dindice cur 62,5 m, diamtr

    3、e extrieur 0,9 mm Norme de produit Luft- und Raumfahrt Lichtwellenleiterkabel, Manteldurchmesser 125 m Teil 101: 62,5 m Kerndurchmesser, Gradientenindexfaser Auendurchmesser 0,9 mm Leitung mit festem Aufbau Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of

    4、 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. Subsequent to the publication of this Prestan

    5、dard, 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 submitted as a draft European Standard (prEN) t

    6、o 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 any national standards conflicting with the

    7、 EN. Edition approved for publication 1stNovember 2013 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2013 by ASD-STAN prEN 4641-101:2013 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Terms and definitions . 3 4 R

    8、equired characteristics . 3 5 Materials and description . 4 6 Test methods and performances in accordance with EN 3745-100 . 4 7 Quality assurance 11 8 Designation, marking and colours . 11 9 Delivery conditions 12 10 Storage 12 Foreword This standard was reviewed by the Domain Technical Coordinator

    9、 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 4641-101:2013 (E) 3 1 Scope This product standard specifies the general characteristi

    10、cs, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 62,5/125 m Graded Index fibre core, 0,9 mm outside diameter and of tight buffer construction, for inside wiring applications. 2 Normative references The following documents, in whole or in part, are nor

    11、matively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2812, Aerospace series Stripping of electric cables EN 37

    12、45-100 (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 EN 3909, Aerospace series Test fluids and test methods for electric components and sub-

    13、assemblies EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts TIA/EIA-455-30-B, FOTP-30 Frequency Domain Measurement of Multimode 1)TIA/EIA-455-175-B, FOTP175 Chromatic Dispersion Measurement of Single-mode Optical Fibers by the Differential Pha

    14、se Shift Method 1)ANSI/EIA 4920000-A, Generic Specification for Optical Waveguide Fibers 1)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 de

    15、scribed hereafter shall comply with the values defined in this product standard. See Table 1. Table 1 Property Value Cable mass 1 g/m Operating temperature 55 C to 125 C Minimum bend radius (20 C) Installation: 10 mm (10 outside diameter) Long term: 10 mm (10 outside diameter) Storage: 20 mm (20 cab

    16、le outside diameter) Tensile strength 20 N 1) Published by: National (US) American National Standard Institute. http:/www.ansi.org/ prEN 4641-101:2013 (E) 4 5 Materials and description The following table details a breakdown of materials used in the construction of the fibre optic cable. The list of

    17、 materials is not exclusive and any materials used in the construction of the cable must meet the required operating and qualification requirements whilst being compatible with termination processes, methods of retention or epoxy adhesive application used in those processes. See Figure 1 and Table 2

    18、. Key 1 Optical fibre 2 Primary coating 3 Outer jacket Figure 1 Table 2 Element Material Fibre Core Silica Cladding Primary coating Silicone Outer jacket Halogen free high temperature copolymer 6 Test methods and performances in accordance with EN 3745-100 6.1 Optical fibre tests See Table 3. prEN 4

    19、641-101:2013 (E) 5 Table 3 Optical fibre test methods Test method EN 3745- Designation of test Test conditions and results 201 Fibre visual examination The coating shall be continuous and free of visible defects such as lumps, abrasions, cracks, splits or blisters 202 Fibre core dimensions Core diam

    20、eter: 62,5 m 3 m 202 Fibre dimension cladding diameter Cladding diameter: 25 m 2 m Method A or B Sample should be in accordance with test methods Number of sample: 1 202 Fibre dimension core non circularity Core non circularity: 5 % (3 m) Number of sample: 1 202 Fibre dimension cladding non circular

    21、ity Cladding non circularity: 2 % (2,5 m) Number of sample: 1 202 Fibre dimension concentricity error Concentricity error: 3 m Number of sample: 1 501 Optical fibre proof test 1 % 301 Method A Fibre attenuation 3 m Load to be applied: 500 N Area of load: 100 mm2 Load duration: 15 mm Maximum variatio

    22、n of attenuation: 0.1 dB 514 Bend twist Not applicable 515 Buffer insertion force Not applicable 516 Severe bend Not applicable 517 Cable tie clamping Not applicable 601 Smoke density The specific optical smoke density (average) Dm 200 within 4 min test duration under both the flaming and non-flamin

    23、g conditions. The value must be measured at the end of the test. 602 Toxicity Applicable 603 Nuclear radiation Not applicable 701 Cable stripping Visual examination in accordance with EN 3745-201 Applicable to outer jacket Number of samples to be tested: 3 Length of sample: 2 m 0,01 m Blade design (

    24、see EN 2812) Load defined in relation to the cable construction to be stripped:F 1 N/10 mm Total Length to be stripped: 50 mm 703 Durability of manufacturers identity markings Not applicable prEN 4641-101:2013 (E) 10 Table 4 Fibre optic cable test methods (5 of 5) Test method EN 3745- Designation of

    25、 test Test conditions and results 705 Contrast measurement Not applicable 706 EN 3838 except “Voltage test“ Durability of user identification markings Not applicable General test conditions: The tests shall be performed with the following launch condition: 85/85 %. Measurement method for each test e

    26、xcept *: EN 3745-301 method C. 6.3 Special tests for optical fibre See Table 5. Table 5 Test method Designation of test Test conditions and results TIA/EIA-455-30-B Effective group index of refraction Numerical aperture: 0,275 0,015 (0,26 to 0,29) Number of sample: 1 Length of the sample: 2 m 0,01 m

    27、 Wavelength: 850 nm 20 nm TIA/EIA-455-175-B Fibre chromatic dispersion I a class is suitable for graded index fibre (1 g 3) I b class is suitable for pseudo graded index fibre (3 g 10) Zero dispersion wavelength (0): 1 320 nm 0 1 365 nm Zero dispersion slope (S0): S0 0. 11 ps/(nm2km)Central operatin

    28、g wavelength (lc): 750 nm c 1 450 nm Chromatic Dispersion: D (c) S0 / 4 c (04/ c3) According to the ANSI/EIA-4920000-A specification, the optical fibre is in accordance with I a class. Specimen should be in accordance with FOTP Minimal length of the sample: 1 km Number of sample: 1 Length of referen

    29、ce fibre 2 m per km of tested sample prEN 4641-101:2013 (E) 11 6.4 Fluids test See Table 6. Table 6 List of fluids Fluids family Type Fluid number see EN 3909 Test temperature 2 C Duration 24 h Fuel Kerosene 2 70Hydraulic fluid Phosphate base 3 70 Silicone base 4 80 Mineral base 5 80 Oils Mineral ba

    30、se 6 125 Mineral base 7 70 Synthetic oil 9 Cleaning fluids Solvent 10 50 Solvent 11 25De-icing Aircraft 15 25 Cooling Coolant 25 Radar coolant 19 7 Quality assurance See EN 9133. 8 Designation, marking and colours 8.1 Designation EXAMPLE Description blockCABLE FIBRE OPTICIdentity block EN4641-101 Nu

    31、mber of the basic standard Product standard 8.2 Marking Not applicable 8.3 Colours The colour of the outer jacket will be black. prEN 4641-101:2013 (E) 12 9 Delivery conditions 9.1 Packaging See EN 4641-001. 9.2 Labelling See EN 4641-001. 9.3 Delivery lengths The minimum delivery length of a fibre or cable is: 100 m 10 Storage Fibre optic cables shall be stored as described hereunder: Humidity : 90 % Temperatures : 55C to 75 C Tensile strength on cable : 20 N


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