Ubiquiti UniFi US-8 User manual

UniFiSwitch MountingScrews(Qty.2) ScrewAnchors(Qty.2)
PowerAdapter* PowerCord*
PackageContents
*Includedonlyinthesinglepackofthedevice
SystemRequirements
Linux,MacOSX,orMicrosoftWindows7/8/10
JavaRuntimeEnvironment1.8oraboverecommended
WebBrowser:GoogleChrome(Otherbrowsersmayhavelimitedfunctionality)
UniFiControllersoftwarev5.3.x(ornewer),availableat:ui.com/download/unifi
IMPORTANT:WestronglyrecommendusingUPSbackupandpower
regulationtopreventequipmentdamageduetostabilityissueswithlocal
ACpower.
HardwareOverview
FrontPanel
US8QuickStartGuide

SystemLED
PoEIn(Port1)
PoEOut(Port8)
RJ45(Ports18)
PoELED(Port8)
Clickherefordetaileddescriptions.
Supports802.3af/ator48VPassivePoEtopowertheswitchandcanprovide
48V(2pair)PoEpassthroughtoport8.
48V(2pair)PoEoutputisOffbydefault.EnablingPoEoutput(viatheUniFi
Controllersoftware)requires24WinputpowerviaPoEInorDCinput.
RJ45portssupport10/100/1000Ethernetconnections.
TopPanel

RJ45Speed/Link/ActLED(Ports18)
Ground
DCIn
ResetButton
Off PoEDisabled
Amber 48VPassivePoE
Off NoLink
Amber
LinkEstablishedat10/100Mbps
FlashingIndicatesActivity
Green
LinkEstablishedat1Gbps
FlashingIndicatesActivity
BackPanel
AncillarygroundingpointforenhancedESDprotection.
TopowertheswitchbyDCinput,connecta48Vpoweradaptertothe48VDC
port.
ThisbuttonservestwofunctionsfortheUniFiSwitch:
RestartPressandreleasetheResetbuttonquickly.
RestoretoFactoryDefaultSettingsPressandholdtheResetbuttonfor
morethanfiveseconds.
HardwareInstallation
WallMounting(Optional)

WallMounting(Optional)
1.
2.

3.
4.

Grounding(Recommended)
TheUniFiSwitchisgroundedthroughthePowerAdapter.Whenpoweringthe
switchwithPoE,groundthedevicebyconnectingtheancillaryground.
1.Loosenthegroundscrewandsecureagroundwire(notincluded)tothe
groundingpoint.
2.Securetheotherendofthegroundwiretoagroundingblockorothergrounded
structure.
ConnectingPower
OR

ConnectingEthernet
1.

2.
WARNING:BeforeenablingPoEpassthroughintheUniFiController,
ensurethattheconnectedPoEdevicesupportsthePoEpower(48V).
WARNING:WhenbothPoEInandDCInputareconnected,thehighest
voltagepowerofthetwowillimmediatelypassthroughtoPoEOut(if
enabled).
SoftwareInstallation
DownloadandinstallthelatestversionoftheUniFiControllersoftwareat
ui.com/download/unifiandfollowtheonscreeninstructions.
Note:IfyoualreadyhaveUniFiControllerv5.3.xorhigherinstalled,goto
thesection,AdoptingtheUniFiSwitch.
AfteryouhaveinstalledthesoftwareandruntheUniFiInstallationWizard,alogin
screenwillappearfortheUniFiControllermanagementinterface.Enterthe
usernameandpasswordthatyoucreatedandclickSignIn.

YoucanmanageyournetworkandviewnetworkstatisticsusingtheUniFi
Controllermanagementinterface.
ToadopttheUniFiSwitch,proceedtothesection,AdoptingtheUniFiSwitch.
ForinformationonconfiguringandusingtheUniFiControllersoftware,refertothe
UserGuideonthewebsite:ui.com/download/unifi
AdoptingtheUniFiSwitch
1.FromtheUniFiControllerdashboard,clickDevicesintheleftmenubar.
2.LocatetheUniFiSwitchinthelistofdevicesundertheModelcolumn.Click
Adopt.

3.TheSystemLEDontheUniFiSwitchwillturnbluetoconfirmthatithasbeen
successfullyadopted.
Specifications
US8
Dimensions 148x99.5x30.7mm
(5.83x3.92x1.21")
Weight 432g(15.24oz)
NetworkingInterfaces (8)10/100/1000MbpsRJ45Ports
PoEIn(Port1) 
PoEMode1 802.3af/at(Pins1,2+;3,6)
PoEMode2 48V(Pins4,5+;7,8)
PoEOut(Port8) 
PoEMode1 48V(Pins1,2+;3,6)
PoEMode2 Passive48V(Pins4,5+;7,8)
DCInputMode DCPassthrough(Pins1,2+;3,6)
PowerMethod (1)DC48V,Max.1.25A
(1)PoEInput,802.3af/at(Pins1,2+;3,6)
PowerSupply ExternalAC/DCAdapter*:100240VAC,50/60Hz;
48V,0.5A
Max.PowerConsumption 12W(ExcludingPoEOutput)
Max.PassivePoEWattageper
Port

PoEMode1 12W@802.3at
PoEMode2 12W@48V
DCInputMode 12W@48V
PassivePoEVoltageRange DependsonPowerSource
LineRate 8Gbps,NonBlocking
LEDs 
System Status
RJ45DataPorts PoE;Link/Speed/Activity
ESD/EMPProtection ±24kVAir,±24kVContact
OperatingTemperature 5to45°C(23to113°F)

US8
OperatingHumidity 5to95%Noncondensing
Certifications CE,FCC,IC
*Includedonlyinthesinglepackofthedevice.
SafetyNotices
1.Read,follow,andkeeptheseinstructions.
2.Heedallwarnings.
3.Onlyuseattachments/accessoriesspecifiedbythemanufacturer.
WARNING:Failuretoprovideproperventilationmaycausefirehazard.Keepatleast
20mmofclearancenexttotheventilationholesforadequateairflow.
WARNING:Toreducetheriskoffireorelectricshock,donotexposethisproductto
rainormoisture.
WARNING:Donotusethisproductinlocationthatcanbesubmergedbywater.
WARNING:Avoidusingthisproductduringanelectricalstorm.Theremaybea
remoteriskofelectricshockfromlightning.
ElectricalSafetyInformation
1.Complianceisrequiredwithrespecttovoltage,frequency,andcurrentrequirements
indicatedonthemanufacturer’slabel.Connectiontoadifferentpowersourcethanthose
specifiedmayresultinimproperoperation,damagetotheequipmentorposeafirehazardif
thelimitationsarenotfollowed.
2.Therearenooperatorserviceablepartsinsidethisequipment.Serviceshouldbeprovided
onlybyaqualifiedservicetechnician.
3.Thisequipmentisprovidedwithadetachablepowercordwhichhasanintegralsafety
groundwireintendedforconnectiontoagroundedsafetyoutlet.
a.Donotsubstitutethepowercordwithonethatisnottheprovidedapprovedtype.Never
useanadapterplugtoconnecttoa2wireoutletasthiswilldefeatthecontinuityofthe
groundingwire.
b.Theequipmentrequirestheuseofthegroundwireasapartofthesafetycertification,
modificationormisusecanprovideashockhazardthatcanresultinseriousinjuryor
death.
c.Contactaqualifiedelectricianorthemanufactureriftherearequestionsaboutthe
installationpriortoconnectingtheequipment.
d.ProtectiveearthingisprovidedbyListedACadapter.Buildinginstallationshallprovide
appropriateshortcircuitbackupprotection.
e.Protectivebondingmustbeinstalledinaccordancewithlocalnationalwiringrulesand
regulations.
LimitedWarranty

LimitedWarranty
ui.com/support/warranty
Thelimitedwarrantyrequirestheuseofarbitrationtoresolvedisputesonanindividualbasis,
and,whereapplicable,specifyarbitrationinsteadofjurytrialsorclassactions.
Compliance
FCC
Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould
voidtheuser’sauthoritytooperatetheequipment.
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwo
conditions.
1.Thisdevicemaynotcauseharmfulinterference,and
2.Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause
undesiredoperation.
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassAdigitaldevice,
pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonable
protectionagainstharmfulinterferencewhentheequipmentisoperatedinacommercial
environment.Thisequipmentgenerates,uses,andcanradiateradiofrequencyenergyand,if
notinstalledandusedinaccordancewiththeinstructionmanual,maycauseharmful
interferencetoradiocommunications.Operationsofthisequipmentinaresidentialareaislikely
tocauseharmfulinterferenceinwhichcasetheuserwillberequiredtocorrecttheinterference
athisownexpense.
ISEDCanada
CANICES3(A)/NMB3(A)
AustraliaandNewZealand
Warning:ThisequipmentiscompliantwithClassAofCISPR32.Inaresidential
environmentthisequipmentmaycauseradiointerference.
CEMarking
CEmarkingonthisproductrepresentstheproductisincompliancewithalldirectivesthatare
applicabletoit.
WEEEComplianceStatement
DeclarationofConformity

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