CAN CSA-ISO IEC 15018A-2010 Information technology - Generic cabling for homes - AMENDMENT 1.pdf

1、Information technology Generic cabling for homes AMENDMENT 1Amendment 1:2010 (IDT) toNational Standard of CanadaCAN/CSA-ISO/IEC 15018-05(ISO/IEC 15018:2009, IDT)NOT FOR RESALE.PUBLICATION NON DESTINE LA REVENTE.CSA Standards Update ServiceAmendment 1:2010 toCAN/CSA-ISO/IEC 15018-05December 2010Title

2、:Information technology Generic cabling for homes AMENDMENT 1Pagination:6 pagesTo register for e-mail notification about any updates to this publicationgo to www.shopcsa.caclick on E-mail Services under MY ACCOUNTclick on CSA Standards Update ServiceThe List ID that you will need to register for upd

3、ates to this publication is 2417451.If you require assistance, please e-mail techsupportcsa.ca or call 416-747-2233.Visit CSAs policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.ISO/IEC 15018Edition 1.0 2009-04INTERNATIONAL STANDARD Information technolog

4、y Generic cabling for homes ISO/IEC 15018:2009/A1:2009(E)AMENDMENT 1 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 ISO/IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic

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11、, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 ISO/IEC 15018Edition 1.0 2009-04INTERNATIONAL STANDARD Information technology Generic cabling for homes INTERNATIONAL ELECTROTECHNICAL COMMISSION CICS 35.200 PRICE CODEAMENDMEN

12、T 1 2 15018 Amend. 1 ISO/IEC:2009(E) FOREWORD Amendment 1 to International Standard ISO/IEC 15018 was prepared by subcommittee 25: Interconnection of information technology equipment, of ISO/IEC joint technical committee 1: Information technology. _ 2 Normative references Add the following new refer

13、ence: IEC 60728-1:2007, Cable networks for television signals, sound signals and interactive services Part 1: System performance for forward paths 3 Terms, definitions and abbreviations 3.1 Terms and definitions Add, after 3.1.39, the following new terms and definitions: 3.1.40 balun device to provi

14、de impedance transformation between balanced and unbalanced components 3.1.41 external network interface ENI connexion device between external network and network access cabling. NOTE For example, equipment comprising HNI, and baluns where applicable, complies with this definition. 3.1.42 home netwo

15、rk interface HNI interface for access to the network for distribution of television signal, sound signals and interactive services inside a home (single dwelling) 3.1.43 system outlet SO device for interconnecting a subscriber feeder and a receiver lead IEC 60728-1, 3.1.90 3.2 Abbreviations Add the

16、following abbreviations in alphabetical order: HF High frequency UHF Ultra-high frequency VHF Very high frequency Amendment 1:2010 to CAN/CSA-ISO/IEC 15018-0515018 Amend. 1 ISO/IEC:2009(E) 3 Add, after Annex D, the following new Annex E: Annex E (informative) Reference implementation of TV and radio

17、 applications Usage of baluns E.1 Types and locations of baluns E.1.1 General The connection of a BCT-B channel to equipment that has a 75 coaxial connection requires the use of a balun. Also the connection of a balanced BCT-B channel to a CATV network or any feeding coaxial system requires the use

18、of a balun at the HNI (Home Network interface). Figures E.1 through to E.4 illustrate the location where a balun can be found in a home (single dwelling). NOTE By the use of baluns it is possible to run BCT applications via ICT permanent links in accordance with the manufacturers instructions. E.1.2

19、 Baluns at the external network interface and baluns at the equipment interface toward the PHD BCT-B permanent link PHD Balanced splitter ENI HNI Balun Figure E.1 Balun at the ENI (External Network Interface) Figure E.1 illustrates a configuration where the home is fed with a coaxial system. A balun

20、 is used to connect this coaxial system to balanced cabling including the Primary Home Distributor (PHD). It is assumed that in this case the balun belongs to the application dependent equipment and therefore meets the application specific requirements to provide the home with signals complying with

21、 IEC 60728 (see Figure E.5 below). If the balun cannot cover the frequency range of forward (47 MHz to 862 MHz) and return path (5 MHz to 65 MHz), two types of baluns should be used, each one in the appropriate path. Amendment 1:2010 to CAN/CSA-ISO/IEC 15018-05 4 15018 Amend. 1 ISO/IEC:2009(E) BCT-B

22、 permanent link PHD Coaxial splitter ENI HNI Balun Figure E.2 Baluns in the PHD (Primary Home Distributor) Figure E.2 illustrates a configuration where the home is fed with a coaxial system. A balun is used to connect the coaxial system to the balanced Primary Home Distributor or directly to a balan

23、ced permanent link. It is assumed that in this case the balun belongs to the application dependent equipment and therefore meets the application specific requirement to provide the balanced permanent link with signals complying with IEC 60728-1 (see Figure E.5 below). If the balun cannot cover the f

24、requency range of forward (47 MHz to 862 MHz) and return path (5 MHz to 65 MHz), two types of baluns should be used, each one in the appropriate path. E.1.3 Baluns near or in the BO BCT-B permanent link Balun SO BO Figure E.3 Balun built-in the system outlet (SO) Figure E.3 illustrates the case wher

25、e a balun is built into the wall outlet of the BO (only as an insert). In this case the unbalanced connector at the BO no longer exists though the permanent link shall meet the performance specified in Clause 9. When the input impedance is measured from the coaxial port of the balun it shall be 75 3

26、 . When RL test is performed from the coaxial port of the balun it shall meet 14 dB in the range 5 MHz to 42 MHz or 5 MHz to 65 MHz (return path), 12 dB in the range of VHF and UHF TV up to 470 MHz, 10 dB from 470 MHz to 862 MHz. The insertion of the balun shall not degrade the coupling attenuation

27、as given in Table 3 (Minimum performance of BCT-B channels). The insertion of the balun shall not affect carrier to noise, and carrier to composite beat shall comply with IEC 60728-1. The insertion of the balun shall not induce a total sectional longitudinal slope (from the HNI to the coaxial port o

28、f the balun larger than the value given in Table E.1. Amendment 1:2010 to CAN/CSA-ISO/IEC 15018-0515018 Amend. 1 ISO/IEC:2009(E) 5 If the balun cannot cover the frequency range of forward (47 MHz to 862 MHz) and return path (5 MHz to 65 MHz), two types of baluns should be used, each one in the appro

29、priate path. E.1.4 Baluns in the cord between BO and the terminal equipment BCT-B permanent link Balun SO BO TI Figure E.4 Balun in the cord between BO and the terminal equipment (TI: Terminal Input) Figure E.4 illustrates the case where a balun is in the equipment cord. When the input impedance is

30、measured from the coaxial port of the equipment cord it shall be 75 3 . When RL test is performed from the coaxial port of the equipment cord it shall meet 14 dB in the range 5 MHz to 42 MHz or 5 MHz to 65 MHz (return path), 12 dB in the range of VHF and UHF TV up to 470 MHz, 10 dB from 470 MHz to 8

31、62 MHz. The insertion of the equipment cord shall not degrade the coupling attenuation as given in Table 3. The insertion of the equipment cord shall not affect carrier to noise, and carrier to composite beat shall comply with IEC 60728-1. The insertion of the equipment cord shall not induce a total

32、 sectional longitudinal slope (from the HNI to the coaxial port of the balun) larger than the value given in Table E.1. If the balun cannot cover the frequency range of forward (47 MHz to 862 MHz) and return path (5 MHz to 65 MHz), two types of baluns should be used, each one in the appropriate path

33、. Amendment 1:2010 to CAN/CSA-ISO/IEC 15018-05 6 15018 Amend. 1 ISO/IEC:2009(E) E.2 HNI Figure E.5 illustrates the different types of HNI (Home Network Interface). Depending upon the type the allowed total insertion loss and sectional longitudinal slope are given in Table E.1. NOTE This figure is an

34、 exerpt from IEC 60728-1, 7.1 (Figure 43 modified) to better understand the requirements of that standard. Splitter and other functions (*) HCL 1 : Home Cable Link 1 Total slope up to 5 dB or 11 dB Minimum signal level up to 18 dB over System Outlet minimum Slope up to 7 dB HNI 1 75 HD: Home Distrib

35、utor Terminated, if not usedSOPermanent link TI (coaxial) Coaxial system outlet Receiver leadTERMINAL TV receiver or cable modem (coaxial input) HNI 2 75 SOPermanent link TI (coaxial)Receiver leadCoaxial system outlet Terminated, if not usedHD: Home Distributor Minimum signal level 3 dB to 6 dB over

36、 System Outlet minimum Slope up to 7 dB Amplifier,splitter and other functions (*) HCL 2 : Home Cable Link 2 Total slope up to 5 dB or 11 dB TV receiver or cable modem (coaxial input) HNI 3 Case A 100 Permanent linkTI (coaxial) Receiver leadHD: Home Distributor 100 Permanent linkTI (coaxial)Receiver

37、 leadHD: Home Distributor TV receiver or cable modem (coaxial input) HCL 3 : Home Cable Link 3 Total slope up to 5,6 dB or 11,6 dB Balun Balanced system outlet Terminated, if not usedMinimum signal level 3 dB to 6 dB over System Outlet minimum Slope up to 7 dB Minimum signal level 3 dB to 6 dB over

38、System Outlet minimum Slope up to 7 dB HNI 3 Case B Amplifier,splitter and other functions (*) Amplifier,splitter and other functions (*) Terminated, if not usedHCL 4 : Home Cable Link 4 Total slope up to 5 dB or 11 dB Balun SO Coaxial system outlet TERMINAL TERMINAL TERMINAL Figure E.5 Types of HNI

39、 Table E.1 Insertion loss and total sectional slope Type of HNI Total insertion loss Total sectional slope HNI 1 See 60728-1 11 dB HNI 2 See 60728-1 11 dB HNI 3 Case A See 60728-1 11,6 dB HNI 3 Case B See 60728-1 11 dB Amendment 1:2010 to CAN/CSA-ISO/IEC 15018-05Copyright NoticeThis Amendment to the

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