MIL-PRF-89020B (NOTICE 1)

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MIL-PRF-89020B (NOTICE 1), PERFORMANCE SPECIFICATION: DIGITAL TERRAIN ELEVATION DATA (31 MAR 2004)., The purpose of this notice is to inform users of the change in name of the preparing activity from the National Imagery and Mapping Agency (NIMA) to the National Geospatial-Intelligence Agency (NGA), effective 24 October 2003.
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【英文标准名称】:Petroleumliquidsandgases;Measurement;Standardreferenceconditions
【原文标准名称】:石油液体和气体.测量.标准参比条件
【标准号】:ISO5024-1976
【标准状态】:作废
【国别】:国际
【发布日期】:1976-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:石油;天然气;液体燃料;石油产品;标准大气压;气体燃料;原油;测量
【英文主题词】:crudeoil;petroleum;gaseousfuels;naturalgas;petroleumproducts;liquidfuels;measurement;standardatmosphere
【摘要】:
【中国标准分类号】:E04
【国际标准分类号】:0330;5650
【页数】:1P;A4
【正文语种】:英语


【英文标准名称】:ApparatusforconnectiontopublictelecommunicationssystemsusingtheDigitalAccessSignallingSystemNo.2(DASS2)viaa2048kbit/sCCITTRecommendationG.703interface-RequirementsforapparatusforconnectiontoChannelAssociatedSignallingSyst
【原文标准名称】:使用2号数字存取信号传输系统(DASS2)经CCITT推荐标准G.703的2048千位/秒接口的公共电信系统连接装置.与信号传输系统相关的信道(CASS)连接装置要求
【标准号】:BS7378-3-1998
【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】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电信系统;呼叫设备(电话);电话线路;电话网;电话信令设备;电话号码;使用说明;电话交换设备;电话交换站;接口;协议;PBX;通信设备;电信传输法;信号传输;信号;设计;电信;性能;通信网
【英文主题词】:Callingequipment(telephones);Communicationequipment;Communicationnetworks;Design;Instructionsforuse;Interfaces(dataprocessing);Performance;Protocols;Signaltransmission;Signals;Telecommunication;Telecommunicationsystems;Telecommunicationtransmissionmethods;Telephoneexchanges;Telephonelines;Telephonenetworks;Telephonenumbers;Telephonesignallingequipment;Telephoneswitchingequipment
【摘要】:ThispartofBS7378specifiesrequirementsforapparatusforconnectiontopublictelecommunicationssystemsusingchannelassociatedsignallingsystems(CASS).Theserequirementsapplytoallsuchapparatus,irrespectiveofwhethertheapparatusprovidesadditionalinterfaces,telecommunicationsservicesorfunctions.NOTE1"Connectiontopublictelecommunicationssystems"meansbothdirectconnectiontoanetworkterminationpoint(NTP)andindirectconnectionwhereinterworkingoccursbymeansoftheapplicableNTPviaoneormoreitemsofinterveningapparatus.TherequirementsmadeinthispartofBS7378covercallset-upandclearing.Theydonotcoveranysupplementaryservicesrequirementsthatmightexist.Requirementsarespecifiedintermsofapparatusperformanceattheinterfaceattheapparatusterminations(see4.1).TherequirementsaregeneraldesignrequirementsintendedtopreventinterferencewiththePTOs'networksandwithotherusers,butcomplianceisnotintendedtoensurefullcompatibilitywithCASSandwillnotnecessarilyensurethattheapparatusissatisfactoryfortheuser'spurpose.NOTE2Inadditiontothedesignrequirementsspecifiedinthisstandard,therequirementsofotherproductstandardsmayapplydependingonthefunctionoftheapparatus.NOTE3Iftheapparatusistobeconnectedto,ortointerworkwith,anyservicerunbypublictelecommunicationsoperators,itwillhavetomeettheapprovalrequirementsapplicabletothatservice.Therequirementsforthesafetyofthepublictelecommunicationssystemsfromelectricalconditionsoriginatingintheconnectedapparatusarenotspecifiedinthisstandard.
【中国标准分类号】:M40
【国际标准分类号】:33_040_30;33_050_10
【页数】:18P;A4
【正文语种】:英语