Chapter4ServiceConguration
BASE-Tand100BASE-TX.InthecasethatthecurrentEthernetCat.5cablingbasic
structureisnotchanged,PoEcanprovideDCpowersupplyforthedevicebasedonIP
(suchasIPphone,wirelesslocalnetworkAPandnetworkcamera)whenitdatasignals
aretransmitted.PoEtechnologycanreducethecostmostlywhenthecurrentstructural
cablingsecurityisensured.Figure4-1showsthetypicalPoEapplication.
Figure4-1PoEApplication
ZXR102900E-PSseriesswitchsupportsthefollowingPoEfeatures:
lZXR102900E-PSseriesswitchincludesZXR102910E-PS,ZXR102918E-PSand
ZXR102928E-PS.ThedevicecanprovidepowersupplyforthePDcomplyingwith
802.3af/802.3atstandardandthesingleportcanprovideupto30Wpower.
lZXR102900E-PSseriesswitchsupportsbothDCandACpowerinput.WhenZXR10
2900E-PSseriesswitchactsasaPSE,themaximumoutputpowerdependsonthe
RPSiftheswitchusesDCpowerinput,orthemaximumoutputpoweris250Wif
theswitchusesACpowerinput.Apowermoduleprovides400Woutputpower.T o
replaceapowermodule,readtheinstructionsornameplateofthepowermodule.
lZXR102900E-PSseriesswitchprovidesthefollowingcongurationandmanagement
functionsforconvenientuse.
1.Setsintegrateddevicemaximumoutputpower.
2.Setsportmaximumoutputpower.
4-7
SJ-20120409144109-002|2012-07-02(R1.0)ZTEProprietaryandCondential