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1、BRITISH STANDARD BS EN50288-3-1:2003Multi-element metallic cables used in analogue and digital communication and control Part 3-1: Sectional specification for unscreened cables characterised up to100 MHz Horizontal and building backbone cablesThe European Standard EN 50288-3-1:2003 has the status of
2、 aBritish StandardICS 33.120.20 BS EN 50288-3-1:2003National forewordThis British Standard is the official English language version ofEN 50288-3-1:2003. It supersedes BS EN 50288-3-1:2001 which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee EPL/46, Cables,
3、wires, waveguides, R.F. connectors, R.F. and microwave passive components and accessories, to Subcommittee EPL/46/1, Communication cables, which has the responsibility to:aid enquirers to understand the text;present to the responsible international/European committee any enquiries on the interpretat
4、ion, or proposals for change, and keep the UK interests informed;monitor related international and European developments and promulgate them in the UK.A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which impl
5、ement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication doe
6、s not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Stra
7、tegy Committee on15 January 2004 BSI 15 January 2004ISBN 0 580 43246 7Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amd. No
8、.DateCommentsAmendments issued since publicationEUROPEAN STANDARD EN 50288-3-1 NORME EUROPENNE EUROPISCHE NORM December 2003 ICS 33.120.20 Supersedes EN 50288-3-1:2001 English version Multi-element metallic cables used in analogue and digital communication and controlPart 3-1: Sectional specificatio
9、n for unscreened cables characterised up to 100 MHz -Horizontal and building backbone cablesCbles mtalliques lments multiples utiliss pour les transmissions et les commandes analogiques et numriques Partie 3-1: Spcification intermdiaire pour les cbles non blinds pour applications jusqu 100 MHz - Cbl
10、es horizontaux et verticauxde 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 Steigbereich This European Standard was approved by CENELEC on 2003-10-01. CENELEC m
11、embers 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 obtained on applic
12、ation 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 Central Secretaria
13、t 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, Hungary, Iceland, Ireland, Italy, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain,
14、 Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2003 CENELEC - All rights of exploitati
15、on in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50288-3-1:2003 E 9 EN 50288-3-1:2003 ForewordThis European Standard was prepared by SC 46XC, Multicore, Multipair and Quad Data communication cables, of Technical Committee CENELEC TC 46X, Communication cables. The t
16、ext of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50288-3-1 on 2003-10-01. This European Standard supersedes EN 50288-3-1:2001 The following dates were fixed: - latest date by which the EN has to be implemented at national level by publication of an
17、identical national standard or by endorsement (dop) 2004-10-01 - latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2006-10-01 This Part 3-1 is to be read in conjunction to EN 50288-1. ContentsPage1Scope . 42Normative references . 43Definitions . 44Cable c
18、onstruction . 44.1Conductor . 44.2Insulation . 44.3Cabling elements . 44.4Identification of cabling elements . 54.5Screening of cabling elements . 54.6Cable make-up . 54.7Filling compound . 54.8Interstitial fillers . 54.9Screening of the cable core . 54.10 Moisture barriers . 54.11 W rapping layers
19、. 54.12 Sheath . 55Tests and requirements for completed cables. 65.1Electrical tests . 65.2Mechanical tests . 85.3Environmental tests . 95.4Fire performance tests . 9 1 ScopeThis sectional specification covers unscreened cables, characterised up to 100 MHz, to be used in horizontal floor and buildin
20、g backbone wiring as defined in EN 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 which contains t
21、he essential provisions for its application. 2Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the cited publications are listed hereafter. For dat
22、ed references, subsequent amendments to or revisions 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 cited publication applies, together with any amendments. EN 50173 Information technology
23、 - Generic cabling systems EN 50288-1 Multi-element metallic cables used in analogue and digital communication and control - Part 1: Generic specification EN 50289 Series Communication cables - Specifications for test methods EN 50290 Series Communication cables IEC 60189-2 Low-frequency cables and
24、wires with PVC insulation and PVC sheath - Part 2: Cables in pairs, triples, quads and quintuples for inside installations 3DefinitionsFor the purposes of this standard the definitions of EN 50288-1 apply. 4Cable construction4.1ConductorThe conductor shall be solid copper and meet the requirements o
25、f 4.1 of EN 50288-1. The conductor shall be plain or metal coated. The nominal conductor diameter shall be 0,5 mm and 0,8 mm.4.2InsulationThe insulation shall be of a suitable material according to the relevant part of EN 50290-2. 4.3Cabling elementsThe cable element shall be a pair or a quad. 4.4Id
26、entification of cabling elementsUnless 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 elementsNot applicable 4.6Cable make-upThe cable elements shall be laid up in concentric lay
27、er(s) or units to form the cable core. 4.7Filling compoundNot applicable 4.8Interstitial fillersWhere fillers are used they shall meet the requirements of 4.8 of EN 50288-1. 4.9Screening of the cable coreNot applicable 4.10 Moisture barriersNot applicable 4.11 Wrapping layersWhere wrapping layers ar
28、e used they shall be in accordance with 4.11 of EN 50288-1. 4.12 SheathThe sheath shall be of a suitable material according to the relevant part of EN 50290-2. 5Tests and requirements for completed cablesThe following tables give the tests to be applied, together with the respective limits, in order
29、 to demonstrate compliance with this specification. 5.1Electrical tests5.1.1Low-frequency and d.c. electrical measurementsEN 50288-1Subclause no.ParameterRequirement5.1.1.1 Conductor loop resistance 19,0 /100 m 5.1.1.2 Conductor resistance unbalance 2,0 % 5.1.1.3Dielectric strength conductor/conduct
30、or 1,0 kV d.c. or 0,7 kV a.c. for 1 min or2,5 kV d.c. or 1,7 kV a.c. for 2 s 5.1.1.4Insulation resistance 500 M.km using 100 V - 500 V test voltage 5.1.1.5 Mutual capacitance No requirement specified 5.1.1.6 Capacitance unbalance to earth 1 600 pF/km 1 4 101620 31,25 62,5 100 MHz 2,14,06,38,09,0 11,
31、4 16,5 21,3 dB/100 m 1 4 101620 31,25 62,5 100 MHz 65,356,350,347,345,842,938,435,3 dB 5.1.2High-frequency electrical and transmission measurements50288-1Subclause no.Parameter Requirement5.1.2.1 Velocity of propagation Phase delay 534+36/f ns/100 m, 1 MHz f 100 MHz 5.1.2.2Propagation delay differen
32、ce (skew) 40 ns/100 m at 100 MHz 5.1.2.3Longitudinal attenuation2) 3) 4) 1,9108f+0,0222f+0,2/f, 1 MHz f 100 MHz 5.1.2.5Near-end crosstalk (NEXT) 1) 2) 65,3-15log(f), 1 MHz f 100 MHz 4 8 101620 31,25 62,5 100 MHz 23,124,525,025,025,023,621,520,1 dB 1 4 101620 31,25 62,5 100 MHz 60,848,840,836,734,830
33、,924,920,8 dB 1 4 101620 31,25 62,5 100 MHz 63,851,843,839,737,833,927,923,8 dB 1 4 101620 31,25 62,5 100 MHz 62,353,347,344,242,839,935,432,3 dB 50288-1Subclause no.Parameter Requirement5.1.2.7.1 Power sum near-end crosstalk 2) (PSNEXT) 62,3-15log(f), 1 MHz f 100 MHz 5.1.2.6 Equal level far-end cro
34、sstalk 2) (ELFEXT) 63,8-20log(f), 1 MHzf 100 MHz, values referenced to 100 m5.1.2.7.2 Power sum equal level far-end crosstalk 2) (PSELFEXT) 60,8-20log(f), 1 MHzf 100 MHz, values referenced to 100 m5.1.2.8Mean characteristic impedance 100 5 , 120 5 , at 100 MHz 5.1.2.9Return loss 2) 5) 20+5log(f), 4
35、MHz f 10 MHz; 25dB, 10 MHz f 20 MHz;25-7log(f/20), 20 MHz f 100 MHz, f.f.s 5.1.2.4Near-end unbalance attenuation 40-10log(f) dB, 1 MHz f 100 MHz, f.f.s 5.1.2.10Coupling attenuation 40 dB, 30 MHz f 100 MHz; f.f.s 40-20log(f/100) dB, 100 MHz f 1 000 MHz; f.f.s 1) For hybrid and multi-unit cables and c
36、ables, PSNEXT between all non fibre recognised cable units shall be 3 dB better than the specified pair to pair NEXT at all specified frequencies. 2) The values in the table are for information only. The formula given shall be used to determine compliance, rounded to one decimal place. 3) The attenu
37、ation shall meet values adjusted for temperature up to 40 C with a temperature coefficient of 0,4 % per degree rise and for temperatures from 40 C to 60 C with a temperature coefficient of 0,6 %, above 20 C. 4) Values between 1 MHz and 4 MHz are for information only. 5) For the measurement of return loss a test
