BS-EN-50441-2-2006.pdf
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1、BRITISH STANDARD BS EN 50441-2:2006 Cables for indoor residential telecommunication installations Part 2: Screened cables Grade 2 The European Standard EN 50441-2:2006 has the status of a British Standard ICS 33.120.10 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:45:12 GMT+00:00 2006,
2、 Uncontrolled Copy, (c) BSI BS EN 50441-2:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 September 2006 BSI 2006 ISBN 0 580 49121 8 National foreword This British Standard was published by BSI. It is the UK implementation of EN 50441
3、-2:2006. The UK participation in its preparation was entrusted to Technical Committee EPL/46, Cables, wires and waveguides, radio frequency connectors and accessories for communication and signalling. A list of organizations represented on EPL/46 can be obtained on request to its secretary. This pub
4、lication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun s
5、heffieldun, na, Mon Nov 06 08:45:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 50441-2 NORME EUROPENNE EUROPISCHE NORM June 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnisc
6、he Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50441-2:2006 E ICS 33.120.10 English version Cables for indoor residential telecommunication installations
7、Part 2: Screened cables - Grade 2 Cbles pour les installations rsidentielles de tlcommunications en intrieur Partie 2: Cbles crants - Classe 2 Innenkabel fr Telekommunikationseinrichtungen im Wohnbereich Teil 2: Geschirmte Innenkabel - Klasse 2 This European Standard was approved by CENELEC on 2005-
8、12-06. CENELEC 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 bibliographical references concerning such national standards may be ob
9、tained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Ce
10、ntral Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, th
11、e Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:45:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50441-2:2006 - 2 - Foreword This European Standard was prepared by SC
12、 46XC, Multicore, Multipair and Quad Data communication cables, of Technical Committee CENELEC TC 46X, Communication cables. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50441-2 on 2005-12-06. The following dates were fixed: latest date by
13、which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-01-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2009-01-01 _ Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06
14、08:45:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI - 3 - EN 50441-2:2006 Contents 1 Scope.5 2 Normative references5 3 Quality control.6 4 Cable construction 7 4.1 Conductors.7 4.1.1 Conductor construction7 4.1.2 Conductor Type.7 4.2 Insulation .7 4.2.1 Insulation material .7 4.2.2 Thickness of the
15、insulation.7 4.2.3 Colour of the insulated conductor.7 4.3 Cable element 7 4.4 Screening of the cable element .7 4.5 Cabling.7 4.6 Spare pairs.7 4.7 Colour code8 4.8 Screening and wrapping of the core 8 4.8.1 Core wrapping.8 4.8.2 Screen 8 4.9 Sheath .8 4.9.1 Sheath material .8 4.9.2 Sheath construc
16、tion.8 4.9.3 Thickness of the sheath.8 4.10 Ripcord 8 4.11 Overall diameter.9 4.12 Identification.9 4.12.1 Sheath marking .9 4.12.2 Identification thread .9 4.13 Delivery length10 4.13.1 Labelling .10 4.13.2 End caps.10 5 Mechanical requirements.10 5.1 Conductor 10 5.2 Insulation .10 5.3 Sheath 10 5
17、.4 Finished cable10 5.4.1 Sheath integrity .10 5.4.2 Static bending radius .10 5.4.3 Abrasion resistance of the sheath.11 5.4.4 Kink test 11 5.4.5 Cut-through test.11 5.4.6 Adhesion of the sheath 11 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:45:12 GMT+00:00 2006, Uncontrolled Copy, (c
18、) BSI EN 50441-2:2006 - 4 - 5.4.7 Installation capability12 6 Environmental and climatic requirements.14 6.1 Insulation .14 6.2 Sheath 14 6.3 Fire behaviour 14 7 Electrical requirements14 7.1 Conductor resistance14 7.2 Dielectric strength.14 7.3 Insulation resistance.14 7.4 High frequency characteri
19、stics 14 7.4.1 Impedance 15 7.4.2 Return loss15 7.4.3 Attenuation15 7.4.4 Crosstalk.16 7.5 Electromagnetic behaviour16 7.5.1 Transfer impedance.16 7.5.2 Coupling attenuation16 7.6 Unbalance attenuation16 7.7 Environmental and safety aspects.16 Figure 1 - Test fixture12 Figure 2 - Installation test s
20、ystem 13 Table 1 - Cable impedance15 Table 2 - Maximum cable attenuation 15 Table 3 - Minimum NEXT 16 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:45:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI - 5 - EN 50441-2:2006 1 Scope These cables are for installation in indoor Residential Cabli
21、ng Systems. They are specified up to 100 MHz. Their design is based on the requirements of the EN 50290-2-1. They are specifically designed for cabling in residential environment supporting ICT and BCT applications. (Telephone, Computer and TV services). This specification defines the constructional
22、 details as well as the specific performances of the cables. Unless otherwise specified, all cables covered by this standard may be subjected to voltages not more than 300 V a.c. or 450 V d.c. and shall meet the essential requirements of the low voltage directive. Due to current limitation related t
23、o the conductor cross sectional area, they are not intended for direct connection to mains electricity supply. The maximum current rating per conductor is less than or equal to 3 A/mm unless otherwise specified in the relevant detail specification. 2 Normative references The following referenced doc
24、uments 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. Publication Title EN 50265-2-1 Common test methods for cables under fire cond
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