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1、BRITISH STANDARD BS EN 50288-3-1:2001 Multi-element metallic cables used in analogue and digital communication and control Part 3-1: Sectional specification for unscreened cables characterized up to 100 MHz Horizontal and building backbone cables The European Standard EN 50288-3-1:2001 has the statu
2、s of a British Standard ICS 33.120.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 50288-3-1:2001 This British Standard, having been prepared under the direction
3、 of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 September 2001 BSI 08-2001 ISBN 0 580 37659 1 National foreword This British Standard is the official English language version of EN 50288-3-1:2001. The UK participatio
4、n in its preparation was entrusted by Technical Committee EPL/46, Cables, wire and waveguides, RF connectors and accessories for communication and signalling, to Subcommittee EPL/46/1, Communication cables, which has the responsibility to: A list of organizations represented on this subcommittee can
5、 be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the
6、“Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from l
7、egal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pa
8、ges This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 8, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed
9、Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 50288-3-1 NORME EUROPENNE EUROPISCHE NORMFebruary 2001 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Kom
10、itee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC -All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50288-3-1:2001 E ICS 33.120.20 English version Multi-element metallic cables used in
11、analogue and digital communication and control Part 3-1: Sectional specification for unscreened cables characterized up to 100 MHz - Horizontal and building backbone cables Cbles mtalliques lments multiples utiliss pour les transmissions et les commandes analogiques et numriques Partie 3-1: Spcifica
12、tion intermdiaire pour les cbles non blinds pour applications jusqu 100 MHz - Cbles horizontaux et verticaux de btiment Mehradrige metallische Daten- und Kontrollkabel fr analoge und digitale bertragung Teil 3-1: Rahmenspezifikation fr ungeschirmte Kabel bis 100 MHz - Kabel fr den Horizontal- und St
13、eigbereich This European Standard was approved by CENELEC on 1999-10-01. 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 bibli
14、ographical references concerning such national standards may be obtained 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 responsibilit
15、y of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxe
16、mbourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50288-3-1:2001- 2 - Foreword This European Standard was prepared by SC 46XC, Multicore, Multipair and Qu
17、ad 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 50288-3-1 on 1999-10-01. The following dates were fixed: -latest date by which the EN has to be implemen
18、ted at national level by publication of an identical national standard or by endorsement(dop)2001-09-01 -latest date by which national standards conflicting with the EN have to be withdrawn(dow) 2002-10-01 This part 3-1 is to be used in conjunction with EN 50288-1. Licensed Copy: sheffieldun sheffie
19、ldun, na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI - 3 -EN 50288-3-1:2001 Contents 1Scope4 2Normative references4 3Definitions 4 4Cable construction 4 4.1Conductor.4 4.2Insulation4 4.3Cabling elements5 4.4Identification of cabling elements .5 4.5Screening of cabling elements .5
20、 4.6Cable make-up.5 4.7Filling compound 5 4.8Interstitial fillers.5 4.9Screening of the cable core5 4.10 Moisture barriers.5 4.11 Wrapping layers .5 4.12 Sheath5 5Tests and requirements for completed cables6 5.1Electrical tests 6 5.2Mechanical tests.8 5.3Environmental tests8 5.4Fire performance test
21、s8 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50288-3-1:2001- 4 - 1Scope This sectional specification covers unscreened cables, characterised up to 100 MHz, intended for horizontal floor and building backbone wiring as defined in EN
22、50173. The electrical, mechanical, transmission and environmental performance characteristics of the unscreened cables, related to their reference test methods, are detailed. This sectional specification is to be read in conjunction with EN 50288-1, the generic specification for multi-element metall
23、ic cables used in analogue and digital communication and control, which contains the essential provisions for its application. 2Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appr
24、opriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publi
25、cation referred to applies (including amendments). EN 50173Information technology - Generic cabling systems IEC 60189-2Low-frequency cables and wires with PVC insulation and PVC sheath Part 2: Cables in pairs, triples, quads and quintuples for inside installations IEC 60344Guide to the calculation o
26、f resistance of plain and coated copper conductors of low-frequency cables and wires 3Definitions For the purposes of this European Standard, the definitions given in 50288-1 apply. 4Cable construction 4.1Conductor The conductor shall be solid and meet the requirements of 4.1 of EN 50288-1. The cond
27、uctor shall be plain or metal coated. The nominal conductor diameter shall be 0,4 mm and 0,8 mm. 4.2Insulation The insulation shall be either: -polyolefin (polyethylene or polypropylene to the relevant parts of EN 50290-2), or -low smoke zero halogen thermoplastic material to the relevant part of EN
28、 50290-2. The insulation shall meet the requirements of 4.2 of EN 50288-1. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI - 5 -EN 50288-3-1:2001 4.3Cabling elements The cable element shall be a pair or a quad. 4.4Identification of cabling e
29、lements Unless otherwise specified, the colour coding for identification is given in IEC 60189-2. The colours shall meet the requirements of 4.4 of EN 50288-1. 4.5Screening of cabling elements Not applicable 4.6Cable make-up The cable elements shall be laid up in concentric layer(s) or units to form
30、 the cable core. 4.7Filling compound Not applicable 4.8Interstitial fillers Where fillers are used they shall meet the requirements of 4.8 of EN 50288-1. 4.9Screening of the cable core Not applicable 4.10Moisture barriers Not applicable 4.11Wrapping layers Where wrapping layers are used they shall b
31、e in accordance with 4.11 of EN 50288-1. 4.12Sheath The sheath shall consist of low smoke halogen free flame retardant thermoplastic material in accordance with the relevant part of EN 50290-2. The sheath shall meet the requirements of 4.12 of EN 50288-1. Licensed Copy: sheffieldun sheffieldun, na,
32、Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50288-3-1:2001- 6 - 5Tests and requirements for completed cables When tested as directed by EN 50288-1 the limits given in the tables of this standard shall apply. 5.1Electrical tests 5.1.1Low-frequency and d.c. electrical measurement
33、s EN 50288-1 clause no. ParameterRequirement 5.1.1.1Conductor loop resistanceThe maximum value shall be calculated in accordance with IEC 60344 and shall be 30 /100 m 5.1.1.2Conductor resistance unbalance 2% 5.1.1.3Dielectric strength conductor/conductor1 kV d.c. or 700 V a.c. for 1 min or 2,5 kV d.
34、c. or 1,7 kV a.c. for 2 s 5.1.1.4Insulation resistance 500 M km 5.1.1.5Mutual capacitanceNo requirement specified 5.1.1.6Capacitance unbalance to earth 1600 pF/km Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI - 7 -EN 50288-3-1:2001 5.1.2 H
35、igh-frequency electrical and transmission measurements EN 50288-1 clause no. ParameterRequirement 5.1.2.1Velocity of propagation 0,60 c at 1 Mhz 0,65 c at 10 Mhz 0,65 c at 100 MHz 5.1.2.2Propagation delay difference (skew) 40 ns/100 m at 100 MHz f.f.s 5.1.2.3Attenuation1) 5.1.2.4Attenuation unbalanc
36、e, near end (LCL) 40 dB at 1 MHz 30 dB at 10 Mhz f.f.s 20 dB at 100 Mhz f.f.s 5.1.2.5Near-end crosstalk2) 5.1.2.6Far-end crosstalkUnder consideration 5.1.2.7Power sum (PS) for cables of more than 4 pairs or 2 quads Specified NEXT values shall be met using power summation 5.1.2.8Characteristic impeda
37、nce3)Input impedance, (100 15) from 1 MHz to 100 MHz Mean impedance, (100 10) from 10 MHz to 100 MHz 5.1.2.9Return loss3) 23 dB from 10 MHz to 100 MHz 5.1.2.10Coupling attenuation 40 dB from 30 MHz to 100 MHz f.f.s 40 - 20log10(f/100) dB 100 MHz to 1000 MHz f.f.s 1)The attenuation shall be better th
38、an or equal to a curve fitting the specified values over the whole frequency range. 2)The near-end crosstalk shall be better than or equal to a curve fitting the specified values over the whole frequency range. 3)EITHER the input impedance shall be measured OR the mean impedance AND return loss shal
39、l be measured. For the measurement of return loss a test sample having a round trip loss 40dB at any measured frequency shall be used. For hybrid and multi-unit cables and cables connected to multiple telecommunications outlets additional crosstalk considerations apply as described in 7.3 of EN 5017
40、3. 1410162031,2562,5100MHz 2,14,36,68,29,211,817,122,0dB/100m 1410162031,2562,5100MHz 6253474442403532dB Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50288-3-1:2001- 8 - 5.2Mechanical tests EN 50288-1 clause no. ParameterRequirement 5.
41、2.1Conductor elongation at break 10% 5.2.2Shrinkage of insulation 5% for 1 h at 100 C 2C 5.2.3Crush resistance of the cableAny change in the transmission characteristics shall remain within the specified limits 5.2.4Impact resistance of the cableAny change in the transmission characteristics shall r
42、emain within the specified limits 5.2.5Abrasion resistance of sheath markingMarkings shall remain legible 5.2.6Simulated installation testing of the cable Any change in the transmission characteristics shall remain within the specified limits 5.2.7Tensile performanceAny change in the transmission ch
43、aracteristics shal remain within the specified limits 5.3Environmental tests EN 50288-1 clause no. ParameterRequirement 5.3.1Cold bend performance of the cableNo cracks when examined visually without magnification 5.4Fire performance tests Under consideration. Licensed Copy: sheffieldun sheffieldun,
44、 na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 50288-3-1:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent
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