Enterasys-networks ROAMABOUT RBT-1602 Manual do Utilizador descarregar pdf (Página 27)

RoamAbout Antenna Site Preparation and Installation Guide 2-1

AP Placement and Configuration

Thischapterprovidesinformationfortheantennainstallerandnetworkmanagertodetermine

wheretoplacetheRoamAboutAPandLightningProtector.

Determining the Location of the AP

TheRoamAboutAPconnectstoaLightningProtectorwitha51‐centimeter(20‐inch)cable.The

LightningProtectorconnectstotheoutdoorantennawithastandard6.1‐meter(20‐foot),7.6‐meter

(25‐foot),15.24‐meters(50‐foot),ora22‐meter(75‐foot)low‐losscable.Alongercablewill

decrease

thedistanceachievablebetweenantennas.TheideallocationtoinstallyourRoamA boutAPand

LightningProtectormustsatisfythefollowingrequirements:

•ThelocationmustbeindoorstoprotecttheAPfromextremeweatherconditions,excessive

heatandhumidity,andtokeeptheunitfreefromvibrationanddust.

•TheLightning

Protectorandantennamastmustbeconnectedtothesameearthground(using

separategrounds),astheACwalloutletgroundusinganequipotentialbondingconductor.

•ThelocationmustprovideaconnectiontothenetworkbackboneviaanEthernetLANcable

goingtoahub,bridge,ordirectlyintoapatch

panel.

•Thelocationmustbeclosetowherethelow‐lossantennacablewillenterthebuilding.The

low‐losscableconnectingtheantennatotheLightningProtectorshouldnotexceed75feetin

lengthfor2.4GHz,or50feetinlengthfor5GHz,duetothe distancereduction

withlonger

cables.

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Enterasys-networks ROAMABOUT RBT-1602 Manual do Utilizador Página 27