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AXISP37-PLEPanoramiccameraseries
Thewebinterface
Youcanusethemanualtriggertomanuallytriggerarule.Themanualtriggercan,forexample,beusedtovalidateactions
duringproductinstallationandconguration.
MQTT
MQTT(MessageQueuingTelemetryTransport)isastandardmessagingprotocolfortheInternetofThings(IoT).Itwasdesignedfor
simpliedIoTintegrationandisusedinawidevarietyofindustriestoconnectremotedeviceswithasmallcodefootprintand
minimalnetworkbandwidth.TheMQTTclientinAxisdevicermwarecansimplifyintegrationofdataandeventsproducedinthe
devicetosystemswhicharenotvideomanagementsoftware(VMS).
SetupthedeviceasanMQTTclient.MQTTcommunicationisbasedontwoentities,theclientsandthebroker.Theclientscan
sendandreceivemessages.Thebrokerisresponsibleforroutingmessagesbetweenclients.
YoucanlearnmoreaboutMQTTinAXISOSPortal.
ALPN
ALPNisaTLS/SSLextensionthatallowsfortheselectionofanapplicationprotocolduringthehandshakephaseoftheconnection
betweentheclientandserver.ThisisusedtoenableMQTTtrafcoverthesameportthatisusedforotherprotocols,suchasHTTP.
Insomecases,theremightnotbeadedicatedportopenforMQTTcommunication.AsolutioninsuchcasesistouseALPNto
negotiatetheuseofMQTTastheapplicationprotocolonastandardport,allowedbytherewalls.
MQTTclient
Connect:TurnonorofftheMQTTclient.
Status:ShowsthecurrentstatusoftheMQTTclient.
Broker
Host:EnterthehostnameorIPaddressoftheMQTTserver.
Protocol:Selectwhichprotocoltouse.
Port:Entertheportnumber.
•1883isthedefaultvalueforMQTToverTCP
•8883isthedefaultvalueforMQTToverSSL
•80isthedefaultvalueforMQTToverWebSocket
•443isthedefaultvalueforMQTToverWebSocketSecure
ALPNprotocol:EntertheALPNprotocolnameprovidedbyyourMQTTbrokerprovider.ThisisonlyapplicablewithMQTToverSSL
andMQTToverWebSocketSecure.
Username:Entertheusernamethattheclientwillusetoaccesstheserver.
Password:Enterapasswordfortheusername.
ClientID:EnteraclientID.Theclientidentierissenttotheserverwhentheclientconnectstoit.
Cleansession:Controlsthebehavioratconnectionanddisconnectiontime.Whenselected,thestateinformationisdiscarded
atconnectanddisconnect.
Keepaliveinterval:Enablestheclienttodetectwhentheserverisnolongeravailablewithouthavingtowaitforthelong
TCP/IPtimeout.
Timeout:Thetimeintervalinsecondstoallowaconnecttocomplete.Defaultvalue:60
Devicetopicprex:UsedinthedefaultvaluesforthetopicintheconnectmessageandLWTmessageontheMQTTclienttab,
andinthepublicationconditionsontheMQTTpublicationtab.
Reconnectautomatically:Specieswhethertheclientshouldreconnectautomaticallyafteradisconnect.
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