Vision Hi-Tech VC58EHi Uživatelský manuál stáhnout pdf (Strana 10)

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6‐6.12VDCPower



ThisIPcamerauses12VDCorIEEE802.3afPoEforpowersource.PleasemakesuretouseaUL/CEapproved

and12VDC/500mAregulatedpowersupplyorstandardPoEinjector,mid‐orend‐spanforinputpower.

PoE(PoweroverEthernet)Support

PoweroverEthernet,orPoE,technologydescribesasystemtotransmitelectricalpower,alongwithdata,to

remotedevicesoverstandardtwisted‐paircableinanEthernetnetwork.Thistechnologyisusefulfor

poweringIPtelephones,wirelessLANaccesspoints,networkcameras,remotenetworkswitches,embedded

computers,andotherapplianceswhere

itwouldbeinconvenientandexpensive.(Mainwiringmustbedone

byqualifiedand/orlicensedperson.)

ThestandardIEEE802.3afdescribestwotypesofdevices:PowerSourcingEquipment(PSE)andPowered

Devices(PD).Powersourcingequipmentprovidespowertothepowereddevices.Thenetworkcamera

representsthepowereddevice,whereasaPoEInjectorisaPSEdevice.TheVISIONNetworkCameramodels

areIEEE802.3afstandardPoEcompliant.

TheycanbeusedwithanyIEEE802.3af‐compliantPoEinjector,PoE

switch,PoEmid‐spanandPoEend‐span.

VarioustypesofPoEequipments



7.Dimension(mm)



PoweroverEthernet

(

PoE

)

In

ector PoEMid‐s

an PoEOfficeSwitch

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Vision Hi-Tech VC58EHi Uživatelský manuál Strana 10