BS-EN-50288-4-1-2001.pdf

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1、BRITISH STANDARD BS EN 50288-4-1:2001 Multi-element metallic cables used in analogue and digital communication and control Part 4-1: Sectional specification for screened cables characterized up to 600 MHz Horizontal and building backbone cables The European Standard EN 50288-4-1:2001 has the status

2、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 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 50288-4-1:2001 This British Standard, having been prepared under the direction o

3、f 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 37658 3 National foreword This British Standard is the official English language version of EN 50288-4-1:2001. The UK participation

4、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 b

5、e 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 “F

6、ind” 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 leg

7、al 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 page

8、s 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 Co

9、py: sheffieldun sheffieldun, na, Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 50288-4-1 NORME EUROPENNE EUROPISCHE NORMFebruary 2001 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komit

10、ee 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 50288-4-1:2001 E ICS 33.120.20 English version Multi-element metallic cables used in an

11、alogue and digital communication and control Part 4-1: Sectional specification for screened cables characterized up to 600 MHz - Horizontal and building backbone cables Cbles mtalliques lments multiples utiliss pour les transmissions et les commandes analogiques et numriques Partie 4-1: Spcification

12、 intermdiaire pour les cbles blinds pour applications jusqu 600 MHz - Cbles horizontaux et verticaux de btiment Mehradrige metallische Daten- und Kontrollkabel fr analoge und digitale bertragung Teil 4-1: Rahmenspezifikation fr geschirmte Kabel bis 600 MHz - Kabel fr den Horizontal- und Steigbereich

13、 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 bibliographical

14、 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 responsibility of a CEN

15、ELEC 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, Luxembourg, Ne

16、therlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50288-4-1:2001- 2 - Foreword This European Standard was prepared by SC 46XC, Multicore, Multipair and Quad Data co

17、mmunication 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 50288-4-1 on 1999-10-01. The following dates were fixed: -latest date by which the EN has to be implemented at nat

18、ional 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 4-1 is to be used in conjunction with EN 50288-1. Licensed Copy: sheffieldun sheffieldun, na,

19、Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI - 3 -EN 50288-4-1:2001 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 4.6Cable

20、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 tests8 License

21、d Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50288-4-1:2001- 4 - 1Scope This sectional specification covers screened cables, characterised up to 600 MHz, intended for horizontal floor and building backbone wiring as defined in EN 50173. The e

22、lectrical, mechanical, transmission and environmental performance characteristics of the screened 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 metallic cables used

23、 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 appropriate places

24、 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 publication referre

25、d 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 of resistance o

26、f 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 conductor shall b

27、e 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 part of EN 50290-2), or -low smoke zero halogen thermoplastic material to the relevant part of EN 50290-2. The

28、insulation shall meet the requirements of 4.2 of EN 50288-1. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI - 5 -EN 50288-4-1:2001 4.3Cabling elements The cable element shall be a pair or a quad. 4.4Identification of cabling elements Unless

29、 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 Where appropriate, screening of the cabling elements shall be applied in accordance with 4.5 of EN 50288-1. When a braid

30、is used the minimum coverage (for mechanical purposes) shall be 60%. When a foil and braid are used the minimum coverage (for mechanical purposes) shall be 40%. 4.6Cable make-up The cable elements shall be laid up in concentric layer(s) or units to form the cable core. 4.7Filling compound Not applic

31、able 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 The screening of the cable core shall be applied in accordance with 4.9 of EN 50288-1. When a braid is used the minimum coverage (for mechanical purposes) shall b

32、e 60%. When a foil and braid are used the minimum coverage (for mechanical purposes) shall be 40%. 4.10Moisture barriers Not applicable 4.11Wrapping layers Where wrapping layers are used they shall be in accordance with 4.11 of EN 50288-1. 4.12Sheath The sheath shall consist of low smoke halogen fre

33、e 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, Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50288-4-1:2001- 6 - 5Tests and requ

34、irements 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 measurements EN 50288-1 clause no. ParameterRequirement 5.1.1.1Conductor loop resistanceThe maximum value shall

35、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/conductor - conductor/screen 1 kV d.c. or 700 V a.c. for 1 min or 2,5 kV d.c. or 1,7 kV a.c. for 2 s 5.1.1.4Insulation resistance 500 M km 5.1.1.5Mutual

36、capacitanceNo requirement specified 5.1.1.6Capacitance unbalance to earth 1600 pF/km Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI - 7 -EN 50288-4-1:2001 5.1.2High-frequency electrical and transmission measurements EN 50288- 1 Clause no. P

37、arameterRequirement 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) 5.1.2.4 Attenuation unbalance, near end (LCL) 40 dB at 1 MHz 30 dB at 10 MHz f.f.s 20 dB at 100 MHz f.f.s

38、 5.1.2.5Near-end crosstalk2) 5.1.2.6Far-end crosstalk Under consideration 5.1.2.7Power sum (PS) for cables or screened units of more than 4 pairs or 2 quads Specified NEXT values shall be met using power summation 5.1.2.8Characteristic impedance3) (all values f.f.s) 5.1.2.9Return loss3) 23 dB from 1

39、0 MHz to 300 MHz f.f.s 23 - 10log10(f/300) dB from 300 MHz to 600 Mhz f.f.s 5.1.2.10Coupling attenuation 80 dB from 30 MHz to 100 MHz f.f.s 80 - 20log10(f/100) dB from 100 MHz to 1000 MHz f.f.s 5.1.2.11Transfer impedance4) 50 m/m at 1,0 MHz 100 m/m at 10,0 MHz 5.1.2.12Screening attenuation 55 dB up

40、to 600 MHz f.f.s 1) The attenuation shall be better than 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 shal

41、l be measured OR the mean impedance AND return loss shall be measured. For the measurement of return loss a test sample having a round trip loss 40 dB at any measured frequency shall be used. 4) It is anticipated that the values of transfer impedance at higher frequencies than specified will be cove

42、red by screening attenuation For hybrid and multi-unit cables and cables connected to multiple telecommunications outlets additional crosstalk considerations apply as described in 7.3 of EN 50173. 1410162031,2562,5100155200300600MHz 2,13,967,68,510,6151924273350dB/100m 1410162031,2562,51001552003006

43、00MHz 808080808080757168666460dB Nominal Z100120150 input Z, 1 - 300 MHz(100 15)(120 15)(150 15) input Z, 300 - 600 MHz(100 25)(120 25)(150 25) mean Z, 10 - 600 MHz(100 6)(120 6)(150 6) Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 5028

44、8-4-1:2001- 8 - 5.2Mechanical tests EN 50288-1 clause no. ParameterRequirement 5.2.1Conductor 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 5.2.4Imp

45、act resistance of the cableAny change in the transmission characteristics shall remain within the specified limits 5.2.5Abrasion resistance of the sheath markings Markings shall remain legible 5.2.6Simulated installation testing of the cable Any change in the transmission characteristics shall remai

46、n within the specified limits 5.2.7Tensile performanceAny change in the transmission characteristics shall 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 magnificatio

47、n 5.4Fire performance tests Under consideration. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 08:15:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 50288-4-1:2001 BSI 389 Ch

48、iswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updat

49、ed by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020

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