标准名称：	煤矿用电容式发爆器
英文名称：	Capacitor discharge type exploders for coal mines
中标分类：	电工 >> 低压电器 >> 防爆电器
ICS分类：	电气工程 >> 特殊工作条件用电气设备 >> 易爆环境用电气设备
替代情况：	GB 7958-1987
发布部门：	中华人民共和国国家质量监督检验检疫总局
发布日期：	2000-03-16
实施日期：	2000-12-01
首发日期：	1987-06-18
作废日期：	1900-01-01
主管部门：	中国煤炭工业协会
提出单位：	煤炭工业局
归口单位：	煤炭工业局煤矿安全标准化技术委员会
起草单位：	煤炭科学研究总院抚顺分院和德力西集团华厦防爆电器实业公司
起草人：	缪亚新、陈昊竁、王涛、王连科、薛正根
出版社：	中国标准出版社
出版日期：	2004-04-05
页数：	7页
书号：	155066.1-16998

本标准规定了煤矿用电容式发爆器的技术要求、试验方法、检验规则与标志、包装、运输和贮存。
本标准适用于煤矿用电容式发爆器。

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【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Corporatetelecommunicationnetworks;SignallinginterworkingbetweenQSIGandH.323;Basicservices
【原文标准名称】:信息技术.远程通信及系统间的信息交换.通用通信网络.QSIG和H.323间的信令互动.基本业务
【标准号】:ISO/IEC23289-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:QSIG;电路网络;补充业务;电信设备;远程通信;信号传输;通信网;信息交换;电信;信息技术;网络互连
【英文主题词】:Circuitnetworks;Communicationnetworks;Communicationservice;Informationinterchange;Informationtechnology;Networkinterconnection;QSIG;Signaltransmission;Supplementaryservices;Telecommunication;Telecommunications
【摘要】:ThisInternationalStandardspecifiessignallinginterworkingbetween"QSIG"and"H.323"insupportofbasicserviceswithinacorporatetelecommunicationnetwork(CN)."QSIG"isasignallingprotocolthatoperatesattheQreferencepointbetweenPrivateIntegratedservicesNetworkeXchange(PINX)withinaPrivateIntegratedServicesNetwork(PISN).TheQreferencepointisdefinedinISO/IEC11579-1.APISNprovidescircuit-switchedbasicservicesandsupplementaryservicestoitsusers.QSIGisspecifiedinotherInternationalStandards,inparticularISO/IEC11572(callcontrolinsupportofbasicservices)."H.323"isasetofsignallingprotocolsforthesupportofvoiceormultimediacommunicationwithinapacketnetwork,inparticularapacketnetworkthatusestheInternetProtocol(IP)asitsnetworklayerprotocol(IPnetwork).H.323signallingprotocolsoperatebetweenendpointsinanIPnetwork,eitherindirectlyviaoneormoregatekeepers,ordirectly.Anendpointcanbeaterminaloragatewaytoanothernetwork.H.323isan"umbrella"recommendationreferringtovariousITU-Trecommendations,inparticularrecommendationsH.225.0andH.245(basiccommunicationcapabilities).ThisInternationalStandardspecifiessignallinginterworkingforbasicservicesthatprovideabidirectionaltransfercapabilityforspeech,DTMF,facsimileandmodemmediabetweenaPISNemployingQSIGandaprivateIPnetworkemployingH.323.ThisInternationalStandardspecifiesrequirementsforestablishinguserinformation(audio)connectionsbetweenthePISNandtheIPnetwork,butprotocolsfortransmittingaudiointheIPnetworkandforsignallinginordertoestablishandclosedownaudiotransmissionintheIPnetworkareoutsidethescopeofthisInternationalStandard.SupplementaryservicesareoutsidethescopeofthisInternationalStandard.InterworkingbetweenQSIGandH.323permitsacalloriginatingatauserofaPISNtoterminateatauserofaprivateIPnetwork,oracalloriginatingatauserofaprivateIPnetworktoterminateatauserofaPISN.InterworkingbetweenaPISNemployingQSIGandapublicIPnetworkemployingH.323isoutsidethescopeofthisInternationalStandard.However,thefunctionalityspecifiedinthisInternationalStandardisinprincipleapplicabletosuchascenariowhendeployedinconjunctionwithotherrelevantfunctionality(e.g.,numbertranslation,securityfunctions,etc.).AlthoughtwosuchgatewayscanoperateaspeersoneithersideofanIPnetwork(wherebytheIPnetworkprovidesinterconnectionbetweentwoPISNs),specialsupportforthissituation(e.g.,tunnellingofQSIGinformationthroughtheIPnetwork)isoutsidethescopeofthisInternationalStandard.AlthoughtwosuchgatewayscanoperateaspeersoneithersideofaPISN(wherebythePISNprovidesinterconnectionbetweentwoIPnetworks),specialsupportforthissituation(e.g.,tunnellingofH.323informationthroughthePISN)isoutsidethescopeofthisInternationalStandard.ThisInternationalStandardisapplicabletoanyinterworkingunitthatcanactasagatewaybetweenaPISNemployingQSIGandaprivateIPnetworkemployingH.323.
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:39P;A4
【正文语种】:英语