User Manual

1.CheckifthePoEadapter
orPoEswitchwork
2.CheckifthePoEportof
CPEisok
3.CheckifEthernetcable
islooseifEthernetcable
pluggedintoPoEport
4.Checkifthevoltageis
normal,ifthesocket
hasproblemiftheinput
voltageofthePoE
adapterisnormal
1.PoEpowersupplyis
notworking
2.Someproblemin
CPE'sPoEport
3.Ethernetcableis
loose,RJ45portis
wrongpower
current/voltage
lowerorwrong
1.Adjustthedistance,
angleandchannelto
decreaselatency
2.Checkifportisolatedto
avoidnetworkvirusand
broadcaststorm
4.Decreasetheaccess
users.
5.ChangeuseaCat5eor
abovenetworkcable.
1.PacketLatency
2.Ethernetcablecircuit
3.Networkvirusattack
4.Toomuchaccess
users
5.NetworkCablestype
lowerthanCat5e?
1.MakeCPEorPoE
adapterneedaground
connection
2.Runningtimeover
7days,rebootit
3.Afterlightning,device
PoEportbrokenor
unstablebetterto
deploylightning
conductor
1.Staticelectricity
2.Runningtimetoo
long
3.Lightningstroke
Devicealways
dead
Lowtransmission
Rate
SystemLEDlight
off
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