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
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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
