User manual

 16‐PortGigabitEthernetPoE+Web‐ManagedSwitchwith2SFPPorts
45
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6.6 POWEROVERETHERNET(POE)
TheIntellinet16‐PortGigabitEthernetPoE+Web‐ManagedSwitchisequippedwithsophisticatedPoE‐monitoringand
configurationoptions. 
6.6.1 PoEConfiguration
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6.6.1.1 Management
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Item Description
Workingstatus Displaysthevalue“On‐line,”indicatingthatthePoEfunctionisworkingproperly. 
Ratedtotalpower ThisnumberrepresentsthemaximumavailablePoEpowerforallconnectedPoE
devices. 
CurrentTotalPower ThisvaluerepresentsthetotalpowerdrawofallconnectedPoEdevices.
AlarmPower TheIntellinetswitchcanalertthenetworkadministratorviaSNMPmessagesifa
certainPoEpowerdrawvaluehasbeenreached.Thisthresholdcanbeconfigured
underthealarm‐notice.
CurrentVoltage Displaysthecurrentoutputvoltage.
ReservePower PoEpowerflowisn’talwayssmoothoreven.Sometimesthepowerdrawis
higher,andsometimesitislower.ThinkofaPoE‐enabledwirelessaccesspoint,
whichmayonlydraw4wattswhenidle,buteasilymorethan10wattswhen
underafullload.OtherPoEdevicesmaybeequippedwithcoolingfansorother
mechanicalparts,andthestart‐uppowerdrawofsuchdevicesistypicallymuch
higherthantheregularpowerdrawthatproceedsthestart‐up.
InordertoensurethatthereisalwaysenoughpowerforthePoEdevicesthatare
alreadyconnectedtotheswitch,youcandefinethereservepower,apowervalue
thattheswitchwillnotusefornormaloperation.
Alarm‐notice Definethealarmnoticevalue,which,whenexceeded,causestheswitchtosend
outSNMPtrapmessages.
Res‐Power DefinehowmuchoftheavailablePoEpowerbudgetshouldbekeptinreserve.
Theexamplescreenshotaboveshowstheres‐powersetto13%,whichisthe
equivalentof31.2watts,giventhetotalavailablePoEpowerof240watts.