Enterasys-networks ROAMABOUT RBT-1602 Manual de usuario Pagina 27

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RoamAbout Antenna Site Preparation and Installation Guide 2-1
2
AP Placement and Configuration
Thischapterprovidesinformationfortheantennainstallerandnetworkmanagertodetermine
wheretoplacetheRoamAboutAPandLightningProtector.
Determining the Location of the AP
TheRoamAboutAPconnectstoaLightningProtectorwitha51centimeter(20inch)cable.The
LightningProtectorconnectstotheoutdoorantennawithastandard6.1meter(20foot),7.6meter
(25foot),15.24meters(50foot),ora22meter(75foot)lowlosscable.Alongercablewill
decrease
thedistanceachievablebetweenantennas.TheideallocationtoinstallyourRoamA boutAPand
LightningProtectormustsatisfythefollowingrequirements:
•ThelocationmustbeindoorstoprotecttheAPfromextremeweatherconditions,excessive
heatandhumidity,andtokeeptheunitfreefromvibrationanddust.
•TheLightning
Protectorandantennamastmustbeconnectedtothesameearthground(using
separategrounds),astheACwalloutletgroundusinganequipotentialbondingconductor.
•ThelocationmustprovideaconnectiontothenetworkbackboneviaanEthernetLANcable
goingtoahub,bridge,ordirectlyintoapatch
panel.
•Thelocationmustbeclosetowherethelowlossantennacablewillenterthebuilding.The
lowlosscableconnectingtheantennatotheLightningProtectorshouldnotexceed75feetin
lengthfor2.4GHz,or50feetinlengthfor5GHz,duetothe distancereduction
withlonger
cables.
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