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【英文标准名称】:Informationtechnology.InternationalstandardizedprofileRB.Relayingtheconnection-modenetworkservice.DefinitionofprofileRB51.1121,relayingtheconnection-modenetworkservicebetweenCSMA/CDLANsubnetworksandPSDNsusingvirtualcallsovera
【原文标准名称】:信息技术.国际标准化数据区RB.中继连接模式网络服务.使用碰撞检测法的载波传感多通道(CSMA/CD)局域网子网络和使用在数字数据电路/CSDN租赁线路永久性通路上进行虚拟呼叫的PSDN之间的中继连接模式网络服务的数据区RB51.1121的定义
【标准号】:BSISO/IECISP12067-5-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-11-15
【实施或试行日期】:1998-11-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:线路交换网络;网络服务;数字信号;带有检测冲突的载波侦听多路存取网络;数据传输;子网络;总线网;电话网;通信网;包交换网络;开放系统互连;信息交流;合格;数字电路;连接模式(OSI);计算机网络;局域网;网络层;信息传递
【英文主题词】:computernetworks;csma/cdnetworks;networkservices;informationexchange;digitalsignals;informationtransfer;circuitswitchingnetworks;telephonenetworks;datatransmission;localareanetworks;packetswitchingnetworks;digitalcircuits;opensystemsinterconnection;connection-mode(osi);networklayer(osi);conformity;busnetworks;communicationnetworks
【摘要】:1GeneralISO/IECISP12067isapplicabletointerworkingunitsconcernedwithoperatingintheOpenSystemsIntercon-nection(OSI)environment.ItspecifiesacombinationofOSIbasestandardsthatcollectivelyprovidearelayfunctionfortheconnection-modeNetworkService.ThispartofISO/IECISP12067definestheRB51.1121profile,whichisapplicabletoaninterworkingunitoperatingbetweenCSMA/CDLANsubnetworksandPSDNsusingvirtualcallsoveradigitaldatacircuit/CSDNleasedlinepermanentaccess.2PositionwithinthetaxonomyThetaxonomyofprofilesisdefinedinISO/IECTR10000-2.ThispartofISO/IECISP12067definestheprofile:RB51.1121Relayingtheconnection-modeNetworkServicebetweenCSMA/CDLANsubnetworksandPSDNsusingvirtualcallsoveradigitaldatacircuit/CSDNleasedlinepermanentaccess.3ScenarioFigure1illustratestheconfigurationofsystemstowhichtheRB51.1121profileisapplicable.Thefigureshowstworeferencepoints,butanimplementationofthisprofilemayincludemoreattachmentstoCSMA/CDLANsandPSDNs,withareferencepointateach.AsthisprofileisamemberoftheRBgroup,itisintendedthataconformingimplementationiscapableofinterworkingwithotherprofilesoftheRBgroupandwithendsystemsimplementingprofilesfromtheTB,TC,TDandTEgroupsortheUBgroup,providedthatsuitablerelaysareinplaceinthecaseofthosemembersofthesegroupswhichrelatetodifferentelementsorthesubnetworktaxonomy.Thisprofilespecificstherequiredfunctionsfromthesupportingprotocolstackshownbelow.
【中国标准分类号】:L78
【国际标准分类号】:35_100_05
【页数】:12P.;A4
【正文语种】:英语


MIL-S-6852B, MILITARY SPECIFICATION, SPLICE, CONDUCTOR, ELECTRIC, DISCONNECT (13 JAN 1971 [S/S BY SAE-AS6852]., Splices furnished in accordance with this specification shall be one type, disconnect splice assembly, of the sizes shown in Figure 1 as specified (see 6. 2).