【英文标准名称】:Informationtechnology-InternationalstandardizedprofilesFVT2nn-Virtualterminalbasicclass-Registerofcontrolobjecttypedefinitions-FVT2112-Printercontrolobject
【原文标准名称】:信息技术.国际标准数据区FVT2nn.虚拟终端基础分类.控制对象类型定义寄存器.FVT2112.打印机控制对象
【标准号】:BSISO/IECISP11185-14-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-10-15
【实施或试行日期】:1995-10-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数据传输;数据处理;信息交流;通信规程;开放系统互连;计算机间通信
【英文主题词】:Controlprocedures;Dataprocessing;Definitions;Informationtechnology;Internationalregister;Networkinterconnection;OSI;Printers;Profile;Registers;Standardizedprofiles
【摘要】:1GeneralTheconceptofProfilesforOSI,andthestructureoftheInternationalStandardizedProfilesthatdocumentthem,aredefinedinISO/IECTR10000-1.SuchProfilesaredividedintoanumberofdifferentclassesandsub-classes.Twooftheseclassescontainsub-classescomprisingfunctionsoftheVir-tualTerminalBasicClassServiceandProtocolspecifiedinthebasestandardsISO9040andISO9041.ThesearetheApplicationProfiles(A-Profiles)andtheInterchangeFormatandRepresentationProfiles(F-Profiles).TherelationshipbetweenA-ProfilesandF-Profilesisde-scribedinISO/IECTR10000-1,subclause7.3.2andisasfollows.ApplicationLayerbasestandardsrequire,implicitlyorexplicitly,thestructureofinformationcarriedorreferencedbythemtobespecifiedforeachinstanceofcommunication.ItisthepurposeofF-Profilestospecifysuchinformationstructures.ParticularfunctionalrequirementsmaythenbemetbythecombinationofanA-ProfilewithoneormoreF-Profiles.EstablishmentofaVT-associationinvolvestheselectionbynegotiationofaparticularVirtualTerminalEnvironmentprofile(VTE-profile),andofparticularvaluesforanyargumentsofthatVTE-profile.TheVTE-profilespecification,andpossiblyalsothevaluesofcertainVTE-profilearguments,mayinturnreferencethedefinitionsofVTcontrolobjecttypesandassign-menttypes.TheseVTE-profiles,controlobjecttypesandassignmenttypesarethusinformationstructuresthatrequireexplicitreferencewithintheVTprotocol.Particularinstancesofthesestructuresarefullydefinedwithinthebasestandards,butthebasestandardsalsoprovideforfurtherinstancestobedefinedbyregistration.EachregisteredinstanceconstitutesanF-ProfilewithintheframeworkofISO/IECTR10000.TheVirtualTerminalBasicClassServiceandProtocolmaybeusedtorealiseawiderangeofdistinctfunctions.ParticularfunctionsmayberealisedthroughtheselectionofappropriateVTfunctionalunits,F-ProfilesandotherVTE-profileargumentvalues.ThespecificationoftheselectionrequiredtorealiseaparticularfunctionandtopromoteinteroperabilityconstitutesaVirtualTerminalA-ProfilewithintheframeworkofISO/IECTR10000.ThethreeInternationalRegistersofVTinformationstructuresandthespecificationsofVTApplicationProfilesareeachpublishedasaseparatemulti-partISPasfollows:—ISO/IECISP11184istheRegisterofVTE-profiles;—ISO/IECISP11185istheRegisterofcontrolobjecttypedefinitions;—ISO/IECISP11186istheRegisterofassignment-typedefinitions;—ISO/IECISP11187containsthespecificationsofVTApplicationProfiles.ThispartofISO/IECISP11185containsthetypedefinitionsofacontrolobjectthatmaybeusedtomapregionsofthedisplayobjectexclusivelyontoadisplaysurfacesuchasascreenandaprintingdeviceandtocontroltheoperationsoftheprinter2PositionwithinthetaxonomyThetaxonomyofInternationalStandardizedProfilesforOSIislaiddowninISO/IECTR10000-2.Withintheclassificationschemeofthistaxonomy,theOSIProfilesspecifiedinthisInternationalStandardizedProfileareintheVirtualTerminalRegisteredObjectsub-classoftheclassofInterchangeFor-matandRepresentationProfiles.AProfilewithinthissubclasshasaProfileidentifieroftheformFVTabc,whereabcisastructurednumericalidentifierthatidentifiesthepositionoftheProfilewithineachofthethreelevelsofsubdivisionofthesubclass.Thevaluesofaandbaresingledigitsbutcisanintegerthatisnotnecessarilyasingledigit.InprincipletheISOVirtualTerminalmodelallowsformultipleclassesofoperation,althoughatthetimeofpublicationofthisInternationalStandardizedProfileonlytheBasicClasshasbeendefined.Thevalueoftheidentifiercomponentadistin-guishesbetweendistincttypesofinformationobjectasfol-low
【中国标准分类号】:L77
【国际标准分类号】:35_100_05
【页数】:24P;A4
【正文语种】:英语