1、BS EN3375-008:2009ICS 49.06NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Cable, electrical,for digital datatransmissionPart 008: Single braid Star Quad 100ohms Type KD Product standardThis British Standardwas published under theauthority of th
2、e StandardsPolicy and StrategyCommittee on 30 April2009 BSI 2009ISBN 978 0 580 63186 3Amendments/corrigenda issued since publicationDate CommentsBS EN 3375-008:2009National forewordThis British Standard is the UK implementation of EN 3375-008:2009.The UK participation in its preparation was entruste
3、d to TechnicalCommittee ACE/6. A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard
4、 cannot confer immunityfrom legal obligations.BS EN 3375-008:2009EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3375-008March 2009ICS 49.060English VersionAerospace series - Cable, electrical, for digital data transmission- Part 008: Single braid - Star Quad 100 ohms - Type KD -Product standardSr
5、ie arospatiale - Cbles lectriques pour transmissionde donnes numriques - Partie 008: Simple tresse -Quarte en toile 100 Ohms - Type KD - Norme de produitLuft- und Raumfahrt - Elektrische Leitungen frDigitaldatenbertragungen - Teil 008: Einfach geschirmt -Quad 100 Ohm - Typ KD - ProduktnormThis Europ
6、ean Standard was approved by CEN on 30 August 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references conce
7、rning such nationalstandards may be obtained on application to the CEN 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 translationunder the responsibility of a CEN member into its own l
8、anguage and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, L
9、uxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All right
10、s of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3375-008:2009: EBS EN 3375-008:2009EN 3375-008:2009 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Required characteristics .4 5 Tests 6 6 Quality ass
11、urance . 11 7 Identification and marking (according to EN 3375-002 and TR 6058) . 11 8 Packaging 12 9 Technical specification 12 BS EN 3375-008:2009EN 3375-008:2009 (E) 3 Foreword This document (EN 3375-008:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Stand
12、ardization (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. This European Standard shall
13、 be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2009, and conflicting national standards shall be withdrawn at the latest by September 2009. Attention is drawn to the possibility that some of the elements of this d
14、ocument 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 European Standar
15、d: Austria, Belgium, Bulgaria, 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 and the United Kingdom. BS
16、 EN 3375-008:2009EN 3375-008:2009 (E) 4 1 Scope This standard specifies the dimensions, tolerances, required characteristics and the mass of an AWG 24 shielded quad cable, type KD, intended for high speed (100 Mbit/s) full duplex Ethernet networks. Linked to this particular application, the operatin
17、g temperatures of the cable are between 65 C and 125 C. This cable is laser markable, this marking satisfies the requirements of EN 3838. The characteristics impedance must be (100 15) . 2 Normative references The following referenced documents are indispensable for the application of this document.
18、 For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3375-001, Aerospace series Cable, electrical, for digital data transmission Part 001: Technical specification. EN 3375-002, Aerospace se
19、ries Cable, electrical, for digital data transmission Part 002: General. 1)EN 3475-100*, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General. EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables. 1)EN 9133, Aerospace ser
20、ies Quality management systems Qualification procedure for aerospace standard parts. TR 6058, Aerospace series Cable code identification list. 2)3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3475-100 apply. 4 Required characteristics 4.1 Configurati
21、on, dimensions, tolerances and mass The configuration, dimensions and tolerances shall be in accordance with Figure 1 and Table 1. Mass: 41 kg/km. Dimensions are in millimetres. * All parts quoted in Table 3. 1) Published as ASD Prestandard at the date of publication of this standard. 2) Published a
22、s ASD Technical Report at the date of publication of this standard. BS EN 3375-008:2009EN 3375-008:2009 (E) 5 NOTE No. of elements in accordance with Table 2. Figure 1 Configuration, dimensions and tolerances Table 1 Dimensions, tolerances and general characteristics Stranded conductor ( A) 0,598 mm
23、 0,656 mm a Insulation diameter (single wire) 1,35 mm 1,52 mm aBraid, shield Strand diameter: 0,10 mm Outer diameter of cable ( B) 1 daN At operating temperature: 0,5 daN continued BS EN 3375-008:2009EN 3375-008:2009 (E) 8 Table 3 (continued) EN 3475- Test Carried out on / Requirement Component (sam
24、ples from finished cable) Cable 502 Notch propagation Not applicable Applicable Notch depth = 0,05 mm Mandrel = 60 mm 503 Scrape abrasion Not applicable Applicable at 23 C F = 1 daN 504 Torsion Not applicable Not applicable 505 Tensile test on conductors and strands Applicable TS 45 N and A % 10 Not
25、 applicable 506 Plating continuity Applicable Applicable 507 Adherence of plating Applicable Applicable 508 Plating thickness Applicable aApplicablea509 Solderability Not applicable Not applicable 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Not applicable N
26、ot applicable 511 Cable-to-cable abrasion Not applicable Not applicable 512 Flexure endurance Not applicable Not applicable 513 Deformation resistance (Installation with plastic cable ties) Not applicable Not applicable 514 Porosity of copper cladding on aluminium strands Not applicable Not applicab
27、le 601 Smoke density Not applicable Applicable T = 4 min ; Dm= 200 602 Toxicity Not applicable Applicable T = 4 min 603 Resistance to wet arc tracking Not applicable Not applicable 604 Resistance to dry arc propagation Not applicable Not applicable 605 Wet short circuit test Not applicable Not appli
28、cable 701 Strippability and adherence of insulation to the conductor Applicable 0,25 daN (see aof Table 1)Applicable 702 Screen pushback capability Not applicable Applicable continued BS EN 3375-008:2009EN 3375-008:2009 (E) 9 Table 3 (concluded) EN 3475- Test Carried out on / Requirement Component (
29、samples from finished cable) Cable 703 Permanence of manufacturers marking Not applicable Applicable 704 Flexibility Not applicable Not applicable 705 Contrast measurement Not applicable K 50 % 706 Laser markability Not applicable Applicable 801 Capacitance per unit length Not applicable Applicable
30、At 1 kHz 60 pF/m max. 802 Capacitance unbalance Not applicable Pair to ground: Applicable 23 C 330 pF max. per 100 m 803 Capacitance variation Not applicable Not applicable 804 Velocity of propagation Not applicable Applicable (C = 3 105km/s) 0,70 C at 31,25 MHz 805 Characteristic impedance Not appl
31、icable Applicable (100 15) from 1 MHz to 100 MHz 806 Attenuation Not applicable Applicable Finished cable See Table 4. 807 Transfer impedance Not applicable Applicable See Table 6. 808 Cross-talk Not applicable Applicable See Table 5. 809 Resistance unbalance Not applicable Applicable 1,5 % 810 Stru
32、ctural return loss Not applicable Applicable (1 f 10) MHz : 20 + 5 log (f) dB (10 f 20) MHz : 25 dB (20 f 100) MHz : 25 7 log (f/20) dB 811 Unbalance attenuation Not applicable Applicable LCL (min): (1 f 100) MHz : 30 10 log (f/100) dBbLCTL (min): from 0,1 MHz to 1 MHz : 40 dB from 1 MHz to 10 MHz :
33、 40 10 log (f) dBfrom 10 MHz to 100 MHz : 30 dB aPlating thickness shall be at least 1,0 m for silver. bCalculations that result in LCL values greater than 40 dB can be revert to a requirement of 40 dB minimum. BS EN 3375-008:2009EN 3375-008:2009 (E) 10 Table 4 Maximum attenuation of the cable at 25
34、 C Frequency MHz Maximum attenuation of the cable dB/100 m 1,00 2,14,00 4,310,00 6,616,00 8,7 20,00 9,731,25 12,562,50 18100,00 23 The cable attenuation shall be also verified at temperatures 55 C, 70 C, 125 C and shall meet the requirements of the table above after adjusting for temperature. The ma
35、ximum attenuation must be adjusted using a factor of 0,2 % in dB per C above 25 C (only for temperature greater than 25 C). For example, at 31,25 MHz the maximum attenuation at 125 C shall be: 12,5 + 0,2 % (125 25) 12,5 = 15 dB. Table 5 Minimum near end cross-talk loss of the cable and contacts Freq
36、uency MHz Next cable dB/100 m 1,00 684,00 5910,00 5316,00 50 20,00 4831,25 4662,50 41100,00 38 BS EN 3375-008:2009EN 3375-008:2009 (E) 11 Table 6 Transfer impedance Frequency MHz Maximum transfer impedance (Zt max.)m/m DC 200,1 201,05,0 20 10,0 3020,0 4550,0 100100,0 400 6 Quality assurance See EN 9
37、133. 7 Identification and marking (according to EN 3375-002 and TR 6058) 7.1 Designation EXAMPLE Description block ELECTRICAL CABLE Identity block EN3375-008C Reference of this standard Nature of braid (C: silver plated copper) NOTE If necessary, the code I9005 may be placed between the description
38、block and the identity block. 7.2 Short designation According to TR 6058: KD24 BS EN 3375-008:2009EN 3375-008:2009 (E) 12 7.3 Marking on cable In accordance with the design of the cable, there is only one way to use it for installation. The cable shall be marked with letter “A-B“. EN KD 24 FRA03 A -
39、 B EN KD 24 FRA03 (300 50) mm60 mm max. (150 50) mm Figure 2 Marking on cable 7.4 Colour of the marking on the jacket Green (preferential) or black. 7.5 Colour of components According to Table 1. 8 Packaging See EN 3375-001. 9 Technical specification See EN 3375-001. BS EN 3375-008:2009This page has
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