ISO/IEC INTERNATIONAL STANDARD 16500-4 First edition 1999-12-15 Information technology Generic digital audio-visual systems - Part 4: Lower-layer protocols and physical interfaces Technologies de l'informationSystemes audiovisuels numeriques generiques- Partie 4:Protocoles et interfaces physiques de la couche inferieure Reference number ISO/IEC 16500-4:1999(E) IEC @ISO/IEC1999 ISO/IEC16500-4:1999(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event ISO/IEC1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Casepostale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 734 10 79 E-mail [email protected] Web www.iso.ch Printed in Switzerland i @ISO/IEC1999All rights reserved ISO/IEC16500-4:1999(E) Contents Page Foreword vi Introduction.. vii 1. Scope.. 2. Normative references... 3. Definitions .. 4. Acronyms and abbreviations ... 5. Conventions . 6. Tools for Digitizing the Core network... 6.1 TheBroadband Core network. ..9 6.2 The Narrowband Core network 7. Tools for Digitizing the Access network... .10 7.1 Low-Speed Symmetrical PHY on the PSTN. 10 7.2 Low-Speed Symmetrical PHY on the ISDN... 7.3 Low-Speed Symmetrical PHY on Public Land Mobile Networks . ..10 7.4 Long-Range Baseband Asymmetrical PHY on copper ..11 7.5 Medium-Range Baseband Asymmetrical PHY on copper.... 7.6 Short-Range Baseband Asymmetrical PHY on copper and coax 12 7.6.1 Physical Medium Dependent (PMD) Sublayer Specification ... 7.6.2 Transmission Convergence (TC) PHY Sublayer Specification . ..34 ..50 7.7 Passband Unidirectional PHY on coax . 7.7.1 Encoding/Decoding Process ... .50 7.7.2 MPEG-2 Transport Stream ... 7.7.3 Asynchronous Transfer Mode (ATM) Stream .... 7.7.4 Framing structure when carrying MPEG-2-TS... 7.7.5 Framing structure when carrying ATM .. 7.7.6 High Reliability Marker (HRM) ... .55 7.7.7 Channel coding .... .56 7.7.8 Byte to symbol mapping .. .57 7.7.9 Quadrature Amplitude Modulation (QAM). 7.7.10 Baseband filter characteristic 7.7.11 InformationBitRate 7.7.12 Coaxial Cable Impedance . 7.7.13 Media Interface Connector... 64 7.7.14 Inband Signaling for the Downstream QAM Link... 65 7.8 Passband Bi-directional PHY on coax .. 7.8.1 Downstream Physical Interface Specification... ...71 7.8.2 Upstream Physical Interface Specification ... ..82 @ISO/IEC 1999 - All rights reserved DAVIC 1.3.1a Part 8 (1999) iii