1、 IEC 60728-7-3Edition 2.0 2009-10INTERNATIONAL STANDARD Cable networks for television signals,sound signals and interactive services Part 7-3:Hybrid fibre coax outside plant status monitoring Power supply to transponder interface bus(PSTIB)IEC 60728-7-3:2009(E)colourinsideLICENSED TO MECON LIMITED-R
2、ANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 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,ele
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9、mer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60728-7-3Edition 2.0 2009-10INTERNATIONAL STANDARD Cable networks for television signal
10、s,sound signals and interactive services Part 7-3:Hybrid fibre coax outside plant status monitoring Power supply to transponder interface bus(PSTIB)INTERNATIONAL ELECTROTECHNICAL COMMISSION WICS 33.040;33.160 PRICE CODEISBN 2-8318-1065-1 Registered trademark of the International Electrotechnical Com
11、mission colourinsideLICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60728-7-3 IEC:2009(E)CONTENTS FOREWORD.5 INTRODUCTION.7 1 Scope.8 2 Normative references.9 3 Terms,definitions and abbreviations.9 3.1 Terms and definitions.9 3.2 Ab
12、breviations.10 4 Reference architecture forward and return channel specifications.10 5 Power supply to transponder interface bus specification overview.11 5.1 General.11 5.2 Interface compliance.11 5.3 Implementation compliance.11 5.4 Revision control.12 6 Power supply to transponder interface bus P
13、hysical layer specification.12 6.1 Interface requirements.12 6.1.1 Connector type.12 6.1.2 Communications interface.12 6.1.3 Connector signals.12 6.1.4 Transponder power.12 6.1.5 Line balance.13 6.1.6 Cable length.13 6.1.7 Data encoding.13 6.1.8 Bit rate.13 6.1.9 Duplex.13 6.1.10 Method of communica
14、tions.13 6.1.11 Indicators.13 6.2 Interface diagram.14 7 Alternative power supply to transponder interface bus Physical layer specification.15 7.1 Introduction to alternative.15 7.2 Interface requirements.15 7.2.1 Connector type.15 7.2.2 Communications interface.15 7.2.3 Connector signals.15 7.2.4 T
15、ransponder power.15 7.2.5 Line balance.16 7.2.6 Cable length.16 7.2.7 Data encoding.16 7.2.8 Bit rate.16 7.2.9 Duplex.16 7.2.10 Method of communication.16 7.2.11 Indicators.17 7.3 Interface diagram.17 8 Power supply to transponder interface bus Data link layer specification.18 8.1 DLL packet structu
16、re.18 LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60728-7-3 IEC:2009(E)3 8.1.1 General.18 8.1.2 Start.18 8.1.3 Destination Address.18 8.1.4 Source Address.19 8.1.5 Identification.19 8.1.6 Datagram.19 8.1.7 End.19 8.1.8 Checksum.19 8.2 DLE sequence.19 8.3 Interface timing.20 8.3.1 Message synchronization and interaction.20 8.3.2 Transmission timing requirements.21 8.4 DLL datagrams.22 8.4.1 Structure.22 8.4.2 Resolution versus a
