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1、门禁系统故障勘察常用方法和必备工具StandingtoolsAmultimeterUses:tomeasurewhetherthevoltageisnormal,whetherthecircuitisshortcircuitedorbroken・Prepareasetofspareequipmentthatisindeedavailable:485andTCPcommunicationmodecontrollereachsetIDandICcardreadereachIDcard,ICcard,eachcardAnelectriclock,a485converter,oneStanda
2、rdpowersupply(12V,5Aormore)onePurpose:replacementtestSmallflatheadscrewdriverApplication:removethelineofthetermina1.Itistoobigtodisassemble・StrongcrossscrewdriverUse:disassemblecontrollerboard,case,powersupplyandsoon.Notebookcomputer：RequestwithserialportorwithUSBserialportconverter,withnetworkp
3、ort・Uses:compare,exclude,test,eliminateclientcomputerfailuresorproblemswithoperatingsystems・NetworkhubHUB:(twoorthreedocrystalheadstraightnetworkcable)BuildasmallLANenvironmenttest,TCPcontrollercommunicationproblemsexist・Testpencil：Doesthecomputerandcontrollercaseleakelectricity?・Thelivewireposi
4、tionofalternatingcurrent・120ohmterminationresistor:Theanti-interferenceabilityof485linesisimprovedinsomespecialoccasions・Justtakeafew,notveryoften.Walkie-talkie：Onsomedifferentfloors,twopeoplearerequiredtoobservefaultsandgeneraluseofthetrench・Notnecessary,youcanusemobilephonesinstead・commonmetho
5、dSoftwaretestingmethod:[detection]method:Startthemanagementsoftware,entertheconsole][generalselectedfaultydoor・Thenclick[]detection,softwareoperationinformationwillprompttherelevantfault,thenaccordingtotherelevantfaulthandling・Forexample:thesoftwaresetupsomeadvancedsettings・Forexamplethemulticar
6、dopensetintheusersdonotknowthecircumstances,resultinginnotcreditcardtoopenthedoor[method]:real-timemonitoring[general]wereselectedintheconsole[monitoring]Realtimemonitoringcorrespondingtothecreditcardindicatorlight,easytocheckthecarddoesnotopenthedoorfault・Thecorrespondingcommunicationindicatorh
7、elpstolocatecommunicationfaults・[search・Net]method:[basicsettings][controller]selectedHelpstofindcommunicationfailuresforTCP/IPcontrollersIndicatorlightmethod:CPUindicatorlight:Normally,theCPUindicatorisflashing.Ifitisbright
