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DigitalwirelessintercomsystemTheBeijingJingchuanhuInfoTradeCo.,Ltd.MOTOTRBOTMSystemComponentsCompleteprofessionaldigitaltwo-wayradiocommunicationsystemThissystemconstitutes〔系统构成〕Thesystemconsistsofdigitalrepeater,trunkamplifiers,wirelessdigitalterminalinterphone,variousdevicefunctionsasfollows:Digitalrepeaters(数字中继台):
Fordigitalradiosignalrepeaters,R8200digitalrelaystationforwardswirelessradiosignaltotherestofthegroupintercomvoiceforwardingdigitalwirelessterminal.Trunkamplifier〔干线放大器〕:
Buildingcoveragesystemcabletypeintercomterminalsignalbooster1:uplinksignalgainisgreaterthanthe40DB2:downlinksignalgainisgreaterthanthe40DB3:uplinktransmitsignalmaximumpower:0.1W(20DBM)4:Thethedownlinktransmitsignalmaximumpower:20W(43DBM),thespecialrequirementsofupto25W5:dedicatedtransitstationcablesystemFrequencyrange:136---174MHz,400-430MHz,450-470MHz,350MHzsegmentfeatures.Wirelessdigitalterminal〔数字对讲机〕:
MotorolaP8268digitalhand-heldterminal.MOTOTRBOdigitalwirelesscommunicationtechnolog
Oneadvantage
Spectralefficiency〔优势一频谱效率〕FrequencyTime12.5kHzChannelemissionspectrumpredetermined12.5kHzTDMAsystem
Theexistingchanneldividedtwotime
Channelcapacityisincreasedtwiceanalogsystemthroughtherelaystation
Performanceisequivalentto12.5kHzFDMAsystems
Relaytocomplete2setsofworkload
Thesamedayuse,andanalogtrunkfeederandduplexer
Walkie-talkiebatterytime40%12.5kHzsimulationsystem
A12.5kHzchannel1channelvoicesignalsupportrepeaterssupportachannelToday'sanalogsystemFrequency12.5kHzChannelSlot1Slot1Slot1Slot2Slot2Slot2MOTOTRBOTMsystemMOTOTRBOdigitalwirelesscommunicationtechnology
Twoadvantages〔优势二双时隙相当于两套中继台〕
2slotTDMA(anumberequaltotwoanalogtrunkrelay)Voicecall1(Ordataservices)Slot1Slot2Slot1Slot2Slot1Slot2Voicecall2(Ordataservices)Threeadvantages:Provideclearervoiceimprovecallquality-inawiderrangeof〔优势三更大范围的清晰语音〕WaveDigitalsystemwithrespecttoanalogsystemThesoundqualitygoodcoverageareasignificantlyincreasedCallstillclearintelligibilityinhigh-noiseenvironmentsImprovevoicequality
Excellentenvironmentalnoisesuppressioncapability〔更出色的语音抑噪功能〕Windnoise,noiseheavyequipment,tractorandbulldozersnoiseandproductionofvarioustypesofnoiseledtoclearanalogradioisdifficulttotransmitvoicedigitalsystemwithauniqueambientnoisesuppression,eveninverynoisyenvironmentcanalsolistenclearvoiceMOTOTRBOThedigitalfunctionssystem
Digitalvoicefunction-groupcall〔组呼〕信道=频率1时隙=1通话组列表:TG_1Rx发射端通话组列表包含=TG_1发射Throughdigitalgroupcall,callcanshareasinglechannel,anddoesnotinterferewithotherradiousers。Intercomtransmittingendandreceivingendmustbeinthesamelogicalchannel(frequencyandtimeslot)。Differenttalkgrouptwointercomusers,evenonthesamelogicalchannel(frequencyandtimeslot),butalsocantalktoeachother。roupCallconsiderations:Whichmembersaworkgroupneedtalktoeachother?workinggrouphowtocommunicatewithothermembersworkinggroup?Howuserscollectivelysharedchannelresources?发射端对讲机对讲机ID=002对讲机别名=BillMOTOTRBOThedigitalfunctionssystem
Digitalvoicefunction-Privatecall〔私密呼叫〕Callprivacy,walkie-talkieuserscancommunicatedirectlywithawalkie-talkieusers,regardlessofwhethertheybelongtothesamegrouplist.Typically,walkie-talkieusersmayneedtocommunicatewitheachothertoformacallgroupisconfiguredforcallgroupmembers。Privatecall,one-to-onecommunicationbetweentransmitterandthereceiverendofthewalkie-talkie.Employeesthroughprivatecall,promptedasecurityincidentprivatetospecificmanagers,ratherthaninitiateagroupcall,membersareawarethewholegroup.信道=频率1时隙=1发射端对讲机对讲机ID=002对讲机别名=Bill发射目标对讲机对讲机ID=001对讲机别名=TimMOTOTRBOThedigitalfunctionssystem
Digitalvoicefunctions-allcalls〔全部呼叫〕Allcalls,aprivilegewalkie-talkiecanone-waycallwithwalkie-talkieusersonthesamelogicalchannel。Transmittingendinterphoneusingaspecialcallagroup,sothatallotherradioinsamelogicalchannelontheuser(whetheritbelongstowhichtalkgroup)canbereceivedtothecommunication。Thisfeatureisparticularlysuitableforexecutivesandallradiosonthesamelogicalchannel(frequencyandtimeslot),ratherthanaseparatetalkgroupsorusers,tocommunicate。信道=频率1时隙=1全部呼叫ID〔预留〕=16777215发射发射端对讲机对讲机ID=002对讲机别名=BillMOTOTRBOThedigitalfunctionssys
Embeddeddigitalsignaling-PTTIDandaliasalias-throughclientsoftware(CPS)orthefrontpanelprogramming,screenwilldisplayasimple"name"。PTTID-allowstargetwalkie-talkietoidentifythecallinitiator。Theleftdemonstratesthetalkgroupnamedisplayedontransmitterandthereceiverendofthewalkie-talkie.Rightdemonstratesthetransceivertransmittingandreceivingendsofprivacycallalias.MOTOTRBOThedigitalfunctionssys〔遥毙〕
Digitalsignaling-awaytodeathwalkie-talkieChargeofwalkie-talkieAwaytodeathwalkie-talkieTargetwalkie-talkieTypically,thecompetentintercomadvantageofthisfeature,anotherradioviawirelesssignaling,remotedeath。Awaytodeathintercomwillbedisplayedscreenblankandcannotinitiateoransweracall。Onlythroughclientsoftware(CPS)oranotherissuedcompetentwalkie-talkiewalkie-talkiesolutionawaytodeathcommand,enableremotedeathwalkie-talkie。Advantageofthisfeature,youcanpreventanyimproperuseofwalkie-talkie,orstolenwalkie-talkiedoesnotwork。MOTOTRBO
Thedigitalfunctionssys
Digitalsignalingfunction-checkwalkie-talkieWiththisfunction,theinitiatorwalkie-talkiecancheckthesystem'stargetintercomisactive,andtheuserwillnotknow。additionpeakLEDindicator,emissionLEDindicatorwilllightup(toindicateaconfirmationmessagesent).Canseeorheartheinstructionsdonotappeartargettransceiver。Targettransceiverunwittinglyautomaticallysendsaconfirmationmessagetoinitiatorintercom。Radiousernoresponse,then,canmakeuseofcheckwalkie-talkiefunction,determinethetargetintercomchannelisupandmonitoring.Ifthetargetintercomissuedaconfirmationmessage,thentheinitiatorcanperformotheractions,suchasissuingremotemonitoringcommand,activatetargetintercomPTT。Chargeofwalkie-talkieCheckthewalkie-talkieTargetwalkie-talkieMOTOTRBOThedigitalfunctionssys
Digitalsignalingfunction-callalertWiththisfeature,theinitiatortransceivercanbasicallyensurecalltoanotherwalkie-talkieusers。Targetintercomcallisreceivedpromptcommandwillissueongoingaudiovisualpromptsanddisplaysinitiatorthecallprompted。Whenthecallpromptscreenisactive,targetwalkie-talkieuserspressthePTTkeytargetintercomwilltheninitiateaprivatecalltoinitiatorcallhints。Forradio,Thisfeatureoftenusedinconjunctionwiththehornandlights.Callpromptswhenuserisnotinthecarcanmakethevehiclehorntweet,lightsflashing,whichinformuserreturnstovehicle,callinitiator。Chargeofwalkie-talkieCallAlertTargetwalkie-talkieMOTOTRBOThedigitalfunctionssys
Digitalsignalingfunction-digitalemergencycaMOTOTRBOwalkie-talkiewalkie-talkieusersallowinacriticalcondition,confirmedtheemergencyalarmmessageissenttocompetentintercomsystemandemergencycall。Emergencyalarmmessagecontainstheinitiator'sintercomID。Earmarkedforemergencyresponsechannel。Initiatorwalkie-talkieDigitalemergencycallChargeofwalkie-talkiePlatformforfutureScalablestandards-basedsoftwarePlatformavailablethroughsoftwareupgrades,newfeaturesplannedOnaregularbasisprovidesystemenhancementsBasedgloballyacceptedstandard-orientedprofessional/commercialinstitutionsoftheEuropeanTelecommunicationsStandardsInstitute(ETSI)DigitalMobileRadio(DMR)Tier2standardWasequippedstartbehindXirR8200EthernetinterfaceAvailabletousersthroughIPlinkconnectingthetwotomaximum30repeatersconnectionthevariousgeographicregionsCommunicationcoveragelargebuildingsandbuildingLargecampus,public,saidthecommunicationconnectionLargechainagenciesindifferentcitiesInterconnectionSupportcross-bandbasestationinterconnection(VHFandUHF)Expandingcommunicationscoverage,ratherthanenhancethecapacity
IPMulti-basestationIPsimulcastanduserterminalsautomaticroamingIPNETWORKIPNETWORKIPNETWORK123Applicationserver10101011010101F3F2F1广域覆盖Multi-basestationIPsimulcastsupport:LikeGPS,SMS,remotetelemetrydatainmulti-connectionbetweenthebasestationtransmissionAccordingbasesignalstrength,theautomaticroamingcapabilitiesbetweenmultiplebasestationMulti-basestationIPsimulcastanduserterminalsautomaticroamingAddedanewfunction:priorityusersforcedterminationofnon-prioritycallemission紧急情况下及时中断非优先用户的通话,确保优先用户即时发射Areonthephonenon-priorityusersPriorityuserswanttocallCompatibilityrepeaterstationanalog,digitalwayRepeaterstationautomaticallyswitchedaccordanceauserterminalconditionanalogordigital,facilitateusertodigitalexcessivesmoothingIntelligentchannelsharingCapacityPlussystemSinglebasestationclustersystemSoftwareupgradenoadditionalclustercontrollerSupportsupto12voiceclusterchannelSupportsupto24datachannelsUsercapacityin1200,atthesametimerequiresfrequentdatatransmissionservicesGreatlyincreasethesystemcapacityaMOTOTRBO!ShanghaiWuhanSichuanShandongHenanZhejiangXinjiangFujianGuiangzhouHunanTianjinShanxiJiangsuMOTOTRBOChineseusersmapsYunnanHeilongjiangLiaoningNeimengguGuangxiBeijingTaiwanHongKongAnhuiHotelpropertywirelessintercombuildingscoveringCustomerdemand:FourdepartmentscalldointerferewitheachotherCoverageday-to-daycommunicationintercomarea(buildings)EmergencyemergencycommandFrequencyresourceconstraintsmisfireandmanagementinformationtransmissionBetweendevicessuchasanoisyenvironmentclearlycall部门通话不相互干扰日常通信对讲区域(楼宇)覆盖紧急情况应急指挥频率资源紧张故障及管理信息传递设备间等嘈杂环境清晰通话酒店、物业等数字无线覆盖案例成功案例:国家博物馆、青岛香格里拉酒店、上海国际金融中心、石家庄良村热电厂、天津业余爱好者协会、和平里街道办事处吉林白城军用实验基地、二连浩特风力发电厂、紫金矿业巴彦淖尔矿区覆盖、通州区大运河森林公园......SuccessStories:NationalMuseum,QingdaoShangri-LaHotel,Shanghaianinternationalfinancialcenter,theShijiazhuangLiangcunThermalPowerPlant,TheTianjintheamateursAssociation,peacefulneighborhoodofficesTheBaichengmilitaryexperimentalbase,ErenhotwindpowerplantsZijinMiningBayannurminingareacoverage,TongzhouDistrict,ForestParkGrandCanal...Summaryofthedigitalsystemadvantages〔数字系统优势综述〕ThedigitaltrunkTaiwanR8200:MOTOROLAgenuineoriginal,excellentperformance,longwarrantyperiod:2yearwarrantyU:403-470MHzthebroadbandsegmentscompatibility,U-40Whighpowerfor24hours100%continuousworkAndhighspurioussuppression,systemstartupself-testandstatusdisplayTranspondersignaldistortionBuilt-inACandDCpowersupplyThedigital-to-analogcompatible,easytoachieveanupgradeoftheanalog-to-digitalconversion数字中继台R8200:MOTOROLA原装正品,性能优良,超长保修期:2年质保U:403-470MHz宽频段兼容性,U-40W高功率24小时100%连续工作杂散抑制度高,系统启动自检并有状态显示转发信号失真度低内置交直流两用电源数字模拟兼容、轻松实现模拟到数字的升级转换摩托罗拉XIRP8200/P8268数字对讲机原装
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