1、BSI Standards PublicationBS EN 50288-4-1:2013Multi-element metallic cables used in analogue and digital communication and controlPart 4-1: Sectional specification for screened cables characterised up to 600 MHz Horizontal and building backbone cablesBS EN 50288-4-1:2013 BRITISH STANDARDNational fore
2、wordThis British Standard is the UK implementation of EN 50288-4-1:2013. It supersedes BS EN 50288-4-1:2003 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee EPL/46, Cables, wires and waveguides, radio frequency connectors and accessories for communicati
3、on and signalling.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2013.Publi
4、shed by BSI Standards Limited 2013ISBN 978 0 580 77098 2 ICS 33.120.20Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2013.Amendments/corrigenda iss
5、ued since publicationDate T e x t a f f e c t e dBS EN 50288-4-1:2013EUROPEAN STANDARD EN 50288-4-1 NORME EUROPENNE EUROPISCHE NORM May 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normun
6、g Management Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50288-4-1:2013 E ICS 33.120.20 Supersedes EN 50288-4-1:2003 English version Multi-element metallic cables used in analog
7、ue and digital communication and control - Part 4-1: Sectional specification for screened cables characterised 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
8、 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 Steigberei
9、ch This European Standard was approved by CENELEC on 2013-03-18. 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 bibliographic
10、al references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre 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 responsibil
11、ity of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Fo
12、rmer Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 50288-4-1:2013EN 50288-4-1:20
13、13 - 2 - Contents Page Foreword . 3 1 Scope . 4 2 Normative references 4 3 Terms, definitions, symbols and abbreviations . 4 3.1 Terms and definitions . 4 3.2 Symbols and abbreviations 5 4 Cable construction 5 4.1 Conductor 5 4.2 Insulation . 5 4.3 Cabling elements . 5 4.4 Identification of cabling
14、elements . 5 4.5 Screening of cabling elements 5 4.6 Cable make-up 5 4.7 Filling compound 5 4.8 Interstitial fillers . 5 4.9 Screening of the cable core 5 4.10 Moisture barriers 6 4.11 Wrapping layers . 6 4.12 Sheath . 6 5 Tests and requirements for completed cables 6 5.1 Electrical tests . 6 5.2 Me
15、chanical tests . 9 5.3 Environmental tests . 10 5.4 Fire performance tests . 10 Annex A (informative) Maximum voltage, current and temperature rating for cables used for POE applications 11 Annex B (informative) Blank Detail Specification . 12 BS EN 50288-4-1:2013- 3 - EN 50288-4-1:2013 Foreword Thi
16、s document (EN 50288-4-1:2013) has been prepared by CLC/SC 46XC “Multicore, Multipair and Quad Data communication cables,“ of CLC/TC 46X, “Communication cables“. The following dates are fixed: latest date by which this document has to be implemented at national level by publication of an identical n
17、ational standard or by endorsement (dop) 2014-03-18 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2016-03-18 This document supersedes EN 50288-4-1:2003. EN 50288-4-1:2013 includes the following significant technical changes with respect to EN 5
18、0288-4-1:2003: the addition of the Blank Detail Specification Annex; a number minor corrections and updating of references; the re-classification of ELFEXT to ACR-F. This Part 4-1 is to be read in conjunction to EN 50288-1. Attention is drawn to the possibility that some of the elements of this docu
19、ment may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC). B
20、S EN 50288-4-1:2013EN 50288-4-1:2013 - 4 - 1 Scope EN 50288-4-1 is a sectional specification for screened cables, characterised from 1 MHz up to 600 MHz, to be used in horizontal and building backbone wiring as defined in EN 50173. This sectional specification contains the electrical, mechanical, tr
21、ansmission and environmental performance characteristics of the cables, when tested in accordance with the referenced test methods. This sectional specification is to be read in conjunction with EN 50288-1, which contains the essential provisions for its application. The cables covered in this secti
22、onal specification are intended to operate with voltages and currents normally encountered in communication systems. These cables are not intended to be used in conjunction with low impedance sources, for example, the electric power supplies of public utility mains. 2 Normative references The follow
23、ing documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 50173 Series I
24、nformation technology - 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 EN 60811 Series
25、Electric and optical fibre cables - Test methods for non-metallic materials (IEC 60811 series) IEC 60189-2 Low-frequency cables and wires with PVC insulation and PVC sheath - Part 2: Cables in pairs, triples, quads and quintuples for inside installations 3 Terms, definitions, symbols and abbreviatio
26、ns 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in EN 50288-1 and the following apply. 3.1.1 screening of cable a cable is considered screened when the cable core is covered by a continuous conductive layer forming part of the shielding and grounding s
27、ystem Note 1 to entry: d.c. continuity has to be given and minimum shielding requirements have to be met. BS EN 50288-4-1:2013- 5 - EN 50288-4-1:2013 3.2 Symbols and abbreviations For the purposes of this document, the following abbreviations apply. EX Exogenous (derived or originating externally) P
28、OE Power Over Ethernet 4 Cable construction 4.1 Conductor The conductor shall be solid copper and meet the requirements of EN 50288-1, 4.1. The conductor shall be plain or metal coated. The nominal conductor diameter shall be 0,5 mm and 0,8 mm. NOTE Constructions with copper clad conductors do not m
29、eet the requirements. 4.2 Insulation The insulation shall be of a suitable material according to the relevant part of EN 50290-2. 4.3 Cabling elements The cable element shall be a pair or a quad. 4.4 Identification of cabling elements Unless otherwise specified, the colour coding for identification
30、is given in IEC 60189-2. The colours shall meet the requirements of EN 50288-1, 4.4 4.5 Screening 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 is used, the minimum braid coverage (for mechanical purposes)
31、 shall be 60 %. When a foil and braid are used the minimum braid coverage (for mechanical purposes) shall be 30 %. Coverage is defined in EN 50290-2-1. 4.6 Cable make-up The cable elements shall be laid up in concentric layer(s) or units to form the cable core. 4.7 Filling compound Not applicable. 4
32、.8 Interstitial fillers Where fillers are used, they shall meet the requirements of EN 50288-1, 4.8 4.9 Screening of the cable core The screening of the cable core shall be applied in accordance with EN 50288-1, 4.9 When a braid is used the minimum braid coverage (for mechanical purposes) shall be 6
33、0 %. When a foil and braid are used, and/or where a foil is used over each cabling element, the minimum braid coverage (for mechanical purposes) shall be 30 %. Coverage is defined in EN 50290-2-1. BS EN 50288-4-1:2013EN 50288-4-1:2013 - 6 - 4.10 Moisture barriers Not applicable. 4.11 Wrapping layers
34、 Where wrapping layers are used they shall be in accordance with EN 50288-1, 4.11 4.12 Sheath The sheath shall be of a suitable material according to the relevant part of EN 50290-2. 5 Tests and requirements for completed cables The following tables give the tests to be applied, together with the re
35、spective limits, in order to demonstrate compliance with this specification. 5.1 Electrical tests 5.1.1 Low-frequency and d.c. electrical measurements Table 1 - Low-frequency and d.c. electrical measurements EN 50288-1 sub-clause Parameter Requirement 5.1.1.1 Conductor loop resistance 19,0 /100 m 5.
36、1.1.2 Conductor resistance unbalance 2,0 % 5.1.1.3 Dielectric strength conductor/conductor and conductor/screen 1,0 kV d.c. or 0,7 kV a.c. for 1 min or 2,5 kV d.c. or 1,7 kV a.c. for 2 s 5.1.1.4 Insulation resistance 5 000 M.km when tested in accordance with EN 50289-1-4 5.1.1.5 Mutual capacitance N
37、o requirement specified 5.1.1.6 Capacitance unbalance to earth 1 200 pF/km BS EN 50288-4-1:2013- 7 - EN 50288-4-1:2013 5.1.2 High-frequency electrical and transmission measurements Table 2 - High-frequency electrical and transmission requirements EN 50288-1 sub-clause Parameter Requirement 5.1.2.1 V
38、elocity of propagation Phase delay 534+36/f ns/100 m, 1 MHz f 600 MHz 5.1.2.2 Propagation delay difference (skew) 25 ns/100 m at 100 MHz 5.1.2.3 Longitudinal attenuation 2) 3) 4)5.1.2.4 Near-end unbalance attenuation 40-10log(f) dB, 1 MHz f 600 MHz; 5.1.2.5 Near-end crosstalk (NEXT)1) 2)5.1.2.6 Atte
39、nuation to crosstalk ratio at the far end 2) 6) 7)ACR-F 1 4 10 16 20 31,25 62,5 100 155 200 300 600 MHz 80,0 80,0 74,0 69,9 68,0 64,1 58,1 54,0 50,2 48,0 44,5 38,4 dB 94-20log(f), 1 MHz f 600 MHz, (Maximum 80 dB), values referenced to 100 m 5.1.2.7.1 Power sum near-end crosstalk 2) (PSNEXT) 5.1.2.7.
40、2 Power Sum Attenuation to crosstalk ratio at the far end 2) 6) 7) (PSACR-F) 1 4 10 16 20 31,25 62,5 100 155 200 300 600 MHz 77,0 77,0 71,0 66,9 65,0 61,1 55,1 51,0 47,2 45,0 41,5 35,4 dB 91-20log(f), 1 MHz f 600 MHz, (Maximum 77 dB), values referenced to 100 m 5.1.2.8 Mean characteristic impedance
41、100 5 , 120 5 , at 100 MHz 5.1.2.9 Return loss 5)1 4 10 16 20 31,25 62,5 100 155 200 300 600 MHz 2,0 3,6 5,7 7,2 8,1 10,1 14,5 18,5 23,4 26,8 33,3 48,9 dB/100 m 1,75f+0,01f+0,2/f, 1 MHz f 600 MHz 1 4 10 16 20 31,25 62,5 100 155 200 300 600 MHz 80,0 80,0 80,0 80,0 80,0 80,0 75,1 72,4 69,6 67,9 65,3 6
42、0,8 dB 80,0 1 MHzf31,25 MHz; 80-15log(f/31,25) 31,25 MHzf600 MHz 1 4 10 16 20 31,25 62,5 100 155 200 300 600 MHz 77,0 77,0 77,0 77,0 77,0 77,0 72,5 69,4 66,6 64,9 62,3 57,8 dB 77,0 1 MHzf31,25 MHz; 77-15log(f/31,25) 31,25 MHzf600 MHz 4 8 10 16 20 31,25 62,5 100 155 250 300 600 MHz 23,1 24,5 25,0 25,
43、0 25,0 23,6 21,5 20,1 18,8 17,3 17,3 17,3 dB 20+5log(f), 4 MHz f 10 MHz; 25 dB, 10 MHz f 20 MHz; 25-7log(f/20), 20 MHz f 250 MHz; 17,3 dB, 250 MHz f 600 MHz; BS EN 50288-4-1:2013EN 50288-4-1:2013 - 8 - 5.1.2.10 Coupling attenuation 80 dB, 30 MHz f 100 MHz; 80-20log(f/100) dB, 100 MHz f 1 000 MHz; 5.
44、1.2.11 Transfer impedance 15 m/m at 1 MHz; 10 m/m at 10 MHz; 30 m/m at 30 MHz 5.1.2.12 Screening attenuation 55 dB, 30 MHz f 600 MHz; NOTE Measured to 1 GHz. 1)For hybrid cables and multi-unit cables, PSNEXT between all non fibre recognised cable units shall be 3 dB better than the specified pair to
45、 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 attenuation shall meet values adjusted for temperature up to 60 C with a temperature coefficient of 0,2 % per de
46、gree rise above 20 C. 4) Values between 1 MHz and 4 MHz are for information only. 5) For the measurement of return loss a test sample having a round trip loss 40 dB at any measured frequency should be used. 6) For cables complying with the requirements of this standard for attenuation and NEXT, ELFE
47、XT and PSELFEXT need not be measured and are for information only. 7)ELFEXT is now re-classified as ACR-F, PSELFEXT is now re-classified PSACR-F, see Annex A of EN 50288-1 for an explanation. BS EN 50288-4-1:2013- 9 - EN 50288-4-1:2013 5.2 Mechanical tests Table 3 - Mechanical test requirements EN 5
48、0288-1 sub-clause Parameter Requirement 5.2.1 Conductor elongation at break EN 50289-3-2 10 % 5.2.2 Shrinkage of insulation EN 50289-3-4 5 % 5.2.3 Crush resistance of the cable EN 50289-3-5 1 000 N / 1 min / 100 mm Near-end crosstalk, return loss and characteristic impedance shall remain within the
49、specified limits 5.2.4 Impact resistance of the cable EN 50289-3-6 12,5 mm radius / 1 J / 3 impacts at 1 m from the measured end Near-end crosstalk, return loss and characteristic impedance shall remain within the specified limits 5.2.5 Abrasion resistance of the sheath markings EN 50289-3-8 Marking shall remain legible after 10 strokes Force 4 N 5.2.6 Simulated
