IEC_PAS_61162-100-2002.pdf

Maritime navigation and radiocommunicationequipment and systems Digital interfaces Part 100:Single talker and multiple listeners Extra requirements to IEC 61162-1for the UAISP U B L I C L Y A V A I L A B L E S P E C I F I C A T I O NIEC/PAS 61162-100Edition 1.02002-04I N T E R N A T I O N A LE L E C T R O T E C H N I C A LC O M M I S S I O NReference number IEC/PAS 61162-100LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Maritime navigation and radiocommunicationequipment and systems Digital interfaces Part 100:Single talker and multiple listeners Extra requirements to IEC 61162-1for the UAISP U B L I C L Y A V A I L A B L E S P E C I F I C A T I O NIEC/PAS 61162-100Edition 1.02002-04I N T E R N A T I O N A LE L E C T R O T E C H N I C A LC O M M I S S I O NReference number IEC/PAS 61162-100LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 Copyright 2002,IECCONTENTSFOREWORD.3INTRODUCTION.4Clause1Scope.52Normative references.53Definitions.63.1Parametric sentences.63.2Encapsulation sentences.64Data requirements of the AIS.75Existing IEC 61162-1 sentences for the AIS.76Additional IEC 61162-1 parametric sentences for the AIS.87New encapsulation sentence structures for the AIS.188Data format protocol errors error detection and handling.21Annex A(normative)Approved encapsulation sentence structure.22Annex B(normative)Summary of changes to existing IEC 61162-1 clauses whichhave been modified to include encapsulation sentences.23B.1Message.23B.2Sequential Message Identifier.23B.3Multi-sentence Messages.23B.4Proprietary Sentences.23B.5Future additions to Approved sentences.24B.6Changes to the Reserved Character List.24B.7Changes to Character Symbol Table.24B.8Additions to field type summary:.25Annex C(normative)Six bit binary field conversion.26Annex D(informative)Example encapsulation sentences.29D.1New clause 7 to IEC 61162-1.29D.2Background Discussion-encapsulation coding.29D.3Decoding the Encapsulated String.31D.4Conversion from symbols to binary bits.31D.5Organizing the Binary Message Data.32D.6Interpreting the Decoded Binary Strings.32Annex E(informative)Copy of ITU-R M.1371-1:2000,TABLE 15.35FiguresFigure C-1-6-bit binary code converted to valid IEC 61162-1 character.27Figure C-2-Valid IEC 61162-1 character converted to 6-bit binary code.28Figure D-1-Message Data format.30Figure D-2-Work sheet for decoding and interpreting encapsulated string.34LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Copyright 2002,IEC 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENTAND SYSTEMS DIGITAL INTERFACES Part 100:Single talker and multiple listeners Extra requirements to IEC 61162-1 for the UAISFOREWORDA PAS is a technical specification not fulfilling the requirements for a standard,but made available tothe public.IEC-PAS 61162-100 has been processed by IEC technical committee 80:Maritime navigation andradiocommunication equipment and systems.The text of this PAS is based on thefollowing document:This PAS was approved forpublication by the P-members of thecommittee concerned as indicated inthe following document:Draft PASReport on voting80/330/PAS80/338/RVDFollowing publication of this PAS,the technical committee or subcommittee concerned will investigatethe possibility of transforming the PAS into an International Standard.This PAS document relates to International Standard IEC 61162-1.The document has been co-ordinated with the TC 80 Working Group preparing the AIS Standard IEC 61993 Part 2,and the NMEAStandards Committee.1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprisingall national electrotechnical committees(IEC National Committees).The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to other activities,the IEC publishes International Standards.Their preparation isentrusted to technical committees;any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work.International,governmental and non-governmental organizations liaisingwith the IEC also participate in this preparation.The IEC collaborates closely with the InternationalOrganization for Standardization(ISO)in accordance with conditions determined by agreement between thetwo organizations.2)The formal decisions or agreements of the IEC on technical matters express,as nearly as possible,aninternational consensus of opinion on the relevant subjects since each technical committee has representationfrom all interested National Committees.3)The documents produced have the form of recommendations for int