1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationInformation technology Implementation of BCT applications using cabling inaccordance with EN 50173-4PD CLC/TR 50173-99-2:2010National forewordThis Published Document is the UK im
2、plementation of CLC/TR 50173-99-2:2010.The UK participation in its preparation was entrusted to Technical CommitteeTCT/7, Telecommunications - Installation requirements.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport
3、to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2010ISBN 978 0 580 69249 9ICS 33.040.50; 35.110Compliance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was published under the authority of the
4、Standards Policy and Strategy Committee on 31 July 2010.Amendments issued since publicationAmd. No. Date Text affectedPUBLISHED DOCUMENTPD CLC/TR 50173-99-2:2010TECHNICAL REPORT CLC/TR 50173-99-2 RAPPORT TECHNIQUE TECHNISCHER BERICHT March 2010 CENELEC European Committee for Electrotechnical Standar
5、dization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: Avenue Marnix 17, B - 1000 Brussels 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. CLC/TR 50173-99-2
6、:2010 E ICS 35.110 English version Information technology - Implementation of BCT applications using cabling in accordance with EN 50173-4 Technologies de linformation - Mise en oeuvre des applications BCT utilisant un cblage ralis selon la EN 50173-4 Informationstechnik - Realisierung von RuK-Netza
7、nwendungen mit Verkabelung nach EN 50173-4 This Technical Report was approved by CENELEC on 2010-01-01. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Icelan
8、d, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. PD CLC/TR 50173-99-2:2010CLC/TR 50173-99-2:2010 - 2 - Foreword This Technical Report was prepared by the Technical Commi
9、ttee CENELEC TC 215, Electrotechnical aspects of telecommunication equipment, in cooperation with experts from CENELEC TC 209/WG 4, System performance requirements. The text of the draft was submitted to vote and was approved by CENELEC as CLC/TR 50173-99-2 on 2010-01-01. Attention is drawn to the p
10、ossibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. PD CLC/TR 50173-99-2:2010- 3 - CLC/TR 50173-99-2:2010 Contents Introduction . 5 1 Scope . 5 2 Normative references .
11、 6 3 Definitions and abbreviations . 6 3.1 Definitions 6 3.2 Abbreviations . 8 4 Cabling structure 8 4.1 General 8 4.2 Functional elements of networks in accordance with EN 60728 . 9 4.3 Cabling subsystems of networks in accordance with EN 60728 . 9 4.4 Accommodation of functional elements .11 4.5 I
12、nterfaces .12 4.6 Dimensioning and configuring .13 5 Slope requirements 13 6 Reference implementations 15 6.1 Balanced cabling 15 6.2 Coaxial cabling .19 Annex A (informative) Example implementations of BCT applications 23 A.1 General 23 A.2 System components 24 A.3 Passive or active coaxial home ne
13、tworks 24 A.4 Home network with balanced type cables (Case A and Case B) 25 A.5 Amplifiers at the home distributor 27 Table 1 Main functional elements of networks in accordance with EN 60728 series .9 Table 2 Slope performance of balanced cabling in accordance with EN 50173-4. 14 Table 3 Slope perfo
14、rmance of coaxial cabling in accordance with EN 50173-4 14 Table 4 Balanced BCT-B-L permanent link lengths for a range of cord lengths 18 Table 5 Balanced BCT-B-M permanent link lengths for a range of cord lengths . 19 PD CLC/TR 50173-99-2:2010CLC/TR 50173-99-2:2010 - 4 - Table A.1 Typical attenuati
15、on performance of splitters 24 Table A.2 Example of home network implementation with coaxial cabling (passive) from HNI1 to SO 24 Table A.3 Example of home network implementation with coaxial cabling (active) from HNI2 to SO 25 Table A.4 Example of home network implementation with balanced pair cabl
16、es (active) from HNI3 to coaxial TI (Case A) . 26 Table A.5 Example of home network implementation with balanced pair cables (active) from HNI3 to coaxial SO (Case B) . 26 Figure 1 Structure of generic cabling for BCT applications (CATV) 9 Figure 2 Structure of generic cabling for BCT applications (
17、MATV/SMATV) . 10 Figure 3 Examples of location of HNI for various home network types . 11 Figure 4 Schematic of generic cabling for BCT applications according to EN 50173-4 12 Figure 5 Slope interfaces (direct connection of HNI to BO) . 13 Figure 6 Slope interfaces (HNI to BO via splitter/amplifier
18、equipment) 13 Figure 7 Multi-stage slope compensation in homes containing SHDs . 15 Figure 8 Home cabling configurations for BCT-B applications. 16 Figure 9 Home cabling configurations for BCT-C applications 20 Figure A.1 Examples of home network implementation using coaxial or balanced cables . 23
19、PD CLC/TR 50173-99-2:2010- 5 - CLC/TR 50173-99-2:2010 Introduction EN 50173-4 specifies generic cabling in homes, installed to support one or more of the following groups of applications and based upon balanced and coaxial cabling as appropriate: a) Information and Communication Technologies (ICT);
20、b) Broadcast and Communication Technologies (BCT); c) Command, Controls and Communications in Buildings (CCCB). EN 50173-4 also provides requirements for backbone cabling subsystems within premises containing multiple homes by reference to: 1) EN 50173-1 for cabling to support ICT applications; 2) s
21、tandards of the EN 50083 and EN 60728 series to support BCT applications. EN 50083 and EN 60728 standards deal with cable networks including equipment and associated methods of measurement for headend reception, processing and distribution of television signals, sound signals and their associated da
22、ta signals and for processing, interfacing and transmitting all kinds of signals for interactive services using all applicable transmission media including community antenna television (CATV) and master antenna television/satellite master antenna television (MATV/SMATV) networks. This Technical Repo
23、rt describes the following: the functional elements and structure of the cabling, external to homes, supporting community antenna television (CATV) and master antenna television/satellite master antenna television (MATV/SMATV) networks in accordance with EN 60728-1; the location and accommodation of
24、 the home network interface (HNI) in accordance with EN 60728-1; requirements for additional cabling performance requirements (i.e. insertion loss slope between 47 MHz and 862 MHz) and necessary amendments of the reference implementations of generic cabling within the home in accordance with EN 5017
25、3-4 in order to support the CATV, MATV/SMATV networks in accordance with EN 60728-1. 1 Scope This Technical Report describes the following: a) the functional elements and structure of the cabling, external to homes, supporting community antenna television (CATV) and master antenna television/satelli
26、te master antenna television (MATV/SMATV) networks in accordance with EN 60728-1; b) the location and accommodation of the home network interface (HNI) in accordance with EN 60728-1; c) requirements for additional cabling performance requirements (i.e. insertion loss slope between 47 MHz and 862 MHz
27、) and necessary amendments of the reference implementations of generic cabling within the home in accordance with EN 50173-4 in order to support the CATV, MATV/SMATV networks in accordance with EN 60728-1. Safety (electrical safety and protection, optical power, fire, etc.) and electromagnetic compa
28、tibility (EMC) requirements are outside the scope of this Technical Report and are covered by standards and regulations. However information given in this Technical Report may be of assistance in meeting these standards and regulations. PD CLC/TR 50173-99-2:2010CLC/TR 50173-99-2:2010 - 6 - 2 Normati
29、ve references The following referenced documents 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. EN 50173-1:2007 Information technol
30、ogy Generic cabling systems Part 1: General requirements EN 50173-4 Information technology Generic cabling systems Part 4: Homes EN 50174 series Information technology Cabling installation EN 60728-1:2008, Cable networks for television signals, sound signals and interactive services Part 1: System p
31、erformance of forward paths (IEC 60728-1:2007) EN 60728-1-1:2010, Cable networks for television signals, sound signals and interactive services Part 1-1: RF cabling for two way home networks (IEC 60728-1-1:2010) EN 60728-5, Cable networks for television signals, sound signals and interactive service
32、s Part 5: Headend equipment (IEC 60728-5:2007) EN 60728-11, Cable networks for television signals, sound signals and interactive services Part 11: Safety (IEC 60728-11:2005, modified) 3 Definitions and abbreviations 3.1 Definitions For the purposes of this document the following definitions apply in
33、 addition to those of EN 50173-1 and EN 50173-4. 3.1.1 branch feeder feeder used for connecting a distribution point to a building network interface (BNI) or home network interface (HNI), as appropriate 3.1.2 building network network for transmission of television signal, sound signals and interacti
34、ve services inside a multi-dwelling building (excluding the home networks within the dwellings) 3.1.3 building network interface interface between external network and the building network within a multi-dwelling building for the network for the transmission of television signal, sound signals and i
35、nteractive services NOTE This point is also called “transfer point” or “external network interface”. 3.1.4 community antenna television system which is designed to provide sound and television signals received by terrestrial, satellite antennas or provided by locally generated sources to the outlets
36、 of a large group of buildings PD CLC/TR 50173-99-2:2010- 7 - CLC/TR 50173-99-2:2010 3.1.5 headend equipment which is connected between receiving antennas or other signal sources and the remainder of the cable networks, to process the signals to be distributed NOTE The headend may, for example, comp
37、rise antenna amplifiers, frequency converters, combiners, separators and generators. 3.1.6 home network RF cable network inside a single dwelling (one-family house or one unit of a multi-dwelling building) in the SOHO (Small Offices Home Offices) environments or in the rooms of hotels, hospitals, et
38、c.; the preferred topology of this network is a star. This network carries television signals, sound signals and interactive services up to the coaxial RF interface (input and/or output) of the terminal equipment. It may comprise active equipment, passive equipment, cables and connectors 3.1.7 home
39、network interface interface for access to the network for transmission of television signal, sound signals and interactive services inside a home (single dwelling) 3.1.8 hub headend headend that distributes the signals provided by a super trunk feeder to two or more trunk feeders 3.1.9 local headend
40、 headend which is connected direct to the system trunk feeders or to a short-haul trunk feeder replacement link 3.1.10 master antenna television system system which is designed to provide sound and television signals received by terrestrial antennas to the outlets of a building or a group of buildin
41、gs 3.1.11 remote headend headend from which signals are delivered to a local headend via a long-distance terrestrial link 3.1.12 satellite master antenna television system system which is designed to provide sound and television signals received by satellite to the outlets of a building or a group o
42、f buildings 3.1.13 slope difference in gain or attenuation at 47 MHz and 862MHz between any two points in a system NOTE The slope sign is considered: a) negative when the attenuation increases with frequency (cables) or the gain (amplifiers) decreases with frequency; b) positive when the gain (ampli
43、fiers) increases with frequency (compensating slope). 3.1.14 spur feeder feeder to which splitters, subscriber taps, or looped system outlets are connected 3.1.15 subscriber feeder feeder connecting a subscriber tap to a system outlet or, where the latter is not used, directly to the subscriber equi
44、pment NOTE A subscriber feeder may include filters and balun transformers. PD CLC/TR 50173-99-2:2010CLC/TR 50173-99-2:2010 - 8 - 3.1.16 supertrunk feeder connects only between headends or between a headend and the first distribution point 3.1.17 system outlet (SO) synonymous with the broadcast outle
45、t (BO) interface of EN 50173-4 (except where a balun is installed between a balanced cabling BO to provide a coaxial interface to the receiver, in which case the SO is defined at the coaxial interface of the balun) 3.1.18 trunk feeder feeder used for the transmission of signals between a headend and
46、 a distribution point or between distribution points 3.2 Abbreviations For the purposes of this document the following abbreviations apply in addition to those of EN 50173-1 and EN 50173-4. B Balun BN Building Network BNI Building Network Interface BO Broadcast Outlet CATV Community Antenna Televisi
47、on DP Distribution Points HCL Home Cabling LinkHN Home Network HNI Home Network Interface MATV Master Antenna Television SMATV Satellite Master Antenna Television SO System Outlet4 Cabling structure 4.1 General This document describes implementations of generic cabling in homes in accordance with EN
48、 50173-4 and their connection to external cabling in order to support the BCT applications of Annex F of EN 50173-1 and in accordance with the EN 60728 series of standards. The delivery of BCT applications to support CATV or MATV/SMATV networks in accordance with the EN 60728 series of standards to
49、the home, independent of the premises that accommodate the home, is described in terms of: a) the functional elements required; b) the cabling subsystems used to provide connections between the functional elements; c) the interface (HNI) at which the cabling in accordance with EN 50173-4 is connected; d) any additional application-specific functional elements within the home. PD CLC/TR 50173-99-2:2010- 9 - CLC/TR 50173-99-2:2010 4.2 Functional elements of networks in accordance with EN 60728 EN 60728
