IEC_61162-400-2001.pdf

INTERNATIONALSTANDARDIEC61162-400First edition2001-11Maritime navigation and radiocommunicationequipment and systems Digital interfaces Part 400:Multiple talkers and multiple listeners Ship systems interconnection Introduction and general principlesReference numberIEC 61162-400:2001(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,thebase publication incorporating amendment 1 and the base publication incorporatingamendments 1 and 2.Further information on IEC publicationsThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating tothis publication,including its validity,is available in the IEC Catalogue ofpublications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication,as well as the listof publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publicationsThe on-line catalogue on the IEC web site(www.iec.ch/catlg-e.htm)enablesyou to search by a variety of criteria including text searches,technicalcommittees and date of publication.On-line information is also available onrecently issued publications,withdrawn and replaced publications,as well ascorrigenda.IEC Just PublishedThis summary of recently issued publications(www.iec.ch/JP.htm)is alsoavailable by email.Please contact the Customer Service Centre(see below)forfurther information.Customer Service CentreIf you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC61162-400First edition2001-11Maritime navigation and radiocommunicationequipment and systems Digital interfaces Part 400:Multiple talkers and multiple listeners Ship systems interconnection Introduction and general principlesPRICE CODE IEC 2001 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC web site http:/www.iec.chWFor price,see current catalogue Commission Electrotechnique Internationale International Electrotechnical CommissionLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61162-400 IEC:2001(E)CONTENTSFOREWORD.4INTRODUCTION.51Scope.61.1General.61.2Application area.61.3Safety implications of using this protocol.61.4Components of this standard.72Normative references.83Definitions.84Overview and general principles.124.1Introduction.124.2Basic protocol functionality.124.3Program modules.134.3.1Physical modules.134.3.2Protocol types.144.3.3Protocol conformance classes.144.4API versus protocol.154.5Protocol level entities.154.6Dependencies of actual API implementations.164.7Companion standard entities.164.8Relationship between specification components and products.185A-profile functionality.185.1Introduction.185.2General principles.185.2.1Separation between applications.185.2.2Automatic configuration.195.2.3Client-server architecture by the use of data objects.195.2.4Connection oriented.195.2.5Transaction oriented.195.2.6Reliable transfers.195.2.7Real-time properties.205.3Application management.205.3.1MAU states.205.3.2System management.205.3.3Time distribution.205.3.4Load limitation.205.4Data object connection management.215.4.1Data object states.215.4.2Server object definition.215.4.3Client object connection request.215.4.4Client MAU authentication.215.5Message transfer.225.5.1Transaction states.225.5.2Basic transaction principles.225.5.3Transfer mechanisms.225.5.4Data marshalling.235.5.5Authentication.23LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61162-400 IEC:2001(E)3 5.6Bulk transfer.235.6.1Mechanism.235.6.2Application level activation.246T-profile functionality.246.1Introduction.246.2General overview of quality of service.246.3The T-profile services.256.3.1Network address look-up and mapping services.256.3.2Reliable message service.256.3.3Reliable stream service.256.3.4Unreliable datagram service.256.3.5System m