ZXR105250SeriesCongurationGuide
5.3PoEConguration
PoECongurationOverview
PoweroverEthernet(PoE)isanextendedfeaturethatsupportsnetworkdeviceswith
Ethernetelectricalports.Thenetworkdevices(switchesorrouters)supportingthePoE
functioncanprovidepowersupplythroughTwistedPairforremotePoweredDevices
(PD)ssuchasIPphones,WLANAccessPoints(APs),ornetworkcameras,which
realizesremotepowersupply.
Ethernetremotepowersupplysometimesisnamedasnetworkpowersupply.Itisatype
oftechnologythatdeliversalittleelectricityandprovidespowersupplythrough10BASE-T
and100BASE-TX.WhenthecurrentEthernetCat.5cablingbasicstructureisnotchanged,
PoEcanprovideDCpowersupplyforIP-baseddevices(suchasIPphones,WLANAPs,
ornetworkcameras)whenitsdatasignalsaretransmitted.PoEtechnologycanreduce
thecostmostlywhenthecurrentstructuralcablingsecurityisensured.Figure5-1shows
atypicalPoEapplication.
Figure5-1PoEApplication
TheZXR105250-PMseriesswitchsupportsthefollowingPoEfeatures:
lTheZXR105250-52PMcanprovidepowersupplyforthePDcomplyingwith
802.3af/802.3atstandard,andthesingleportcanprovideupto30wattsofpower.
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SJ-20131111172707-002|2013-11-27(R1.0)ZTEProprietaryandCondential