1、 IEC 61162-450 Edition 1.0 2011-06 INTERNATIONAL STANDARD Maritime navigation and radiocommunication equipment and systems Digital interfaces Part 450:Multiple talkers and multiple listeners Ethernet interconnection IEC 61162-450:2011(E)Copyrighted material licensed to BR Demo by Thomson Reuters(Sci
2、entific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2011 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be repr
3、oduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtainin
4、g additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web:www.iec.ch About the IEC The International Electrotechnical Commission(
5、IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest editio
6、n,a corrigenda or an amendment might have been published.Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.I
7、EC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Available on-line and also by email.Electropedia:www.electropedia.org The worlds leading online dictionary of electronic and electrical term
8、s containing more than 20 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary online.Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or
9、need further assistance,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 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distributio
10、n is permitted.Uncontrolled when printed.IEC 61162-450 Edition 1.0 2011-06 INTERNATIONAL STANDARD Maritime navigation and radiocommunication equipment and systems Digital interfaces Part 450:Multiple talkers and multiple listeners Ethernet interconnection INTERNATIONAL ELECTROTECHNICAL COMMISSION XB
11、 ICS 47.020.70 PRICE CODE ISBN 978-2-88912-492-3 Registered trademark of the International Electrotechnical Commission Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontro
12、lled when printed.2 61162-450 IEC:2011(E)CONTENTS FOREWORD.5 1 Scope.7 2 Normative references.7 3 Terms and definitions.8 4 General network and equipment requirements.11 4.1 Network topology example.11 4.2 Basic requirements.12 4.2.1 Requirements for equipment to be connected to the network.12 4.2.2
13、 Additional requirements for network infrastructure equipment.12 4.3 Network function(NF)requirements.13 4.3.1 General requirements.13 4.3.2 Maximum data rate requirements.13 4.3.3 Error logging function.13 4.4 System function(SF)requirements.15 4.4.1 General requirements.15 4.4.2 Assignment of uniq
14、ue system function ID(SFI).15 4.4.3 Implementing configurable transmission groups.15 4.5 Serial to network gateway function(SNGF)requirements.16 4.5.1 General requirements.16 4.5.2 Serial line output buffer management.16 4.5.3 Datagram output requirements.17 4.6 Other network function(ONF)requiremen
15、ts.17 5 Low level network requirements.17 5.1 Electrical and mechanical requirements.17 5.2 Network protocol requirements.19 5.3 IP Address assignment for equipment.19 5.4 Multicast address range.19 6 Transport layer specification.19 6.1 General.19 6.2 UDP messages.20 6.2.1 UDP multicast protocol.20
16、 6.2.2 Use of multicast addresses and port numbers.20 6.2.3 UDP checksum.21 6.2.4 Datagram size.21 7 Application layer specification.22 7.1 Datagram header.22 7.1.1 Valid header.22 7.1.2 Error logging.22 7.2 General IEC 61162-1 sentence transmissions.22 7.2.1 Application of this protocol.22 7.2.2 Types of messages for which this protocol can be used.22 7.2.3 TAG block parameters for sentences transmitted in the datagram.22 7.2.4 Requirements for processing incoming datagrams.24 7.2.5 Error lo