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100

DevicePlacementontheLayoutModel

3Com®AirProtectPlannerUserGuide

92

¾ MACAddress:EntertheMACAddressoftheRadio.

¾ Antenna:Selectanantennafromthedrop‐downlist.

 Click<More>toviewadditionaldetailsoftheantenna.TheSelectAntennadialogboxappearswhichhelps

youaddorselecttheantennainabettermanner,fromthe

listofavailableantennae.Itisagoodpracticeto

keeptheSensorantennaetobedipoleoromni‐directional,whichenablestheSensortodetectandprevent

attacksfromanydirection.

¾ Orientation:Selectadirectionfromwheretheantennawouldreceiveitspower.

Thepreviewreflectstheantenna

radiationbasedontheselectedantenna.

¾ ActiveProtocol:Selectanactiveprotocolfromthedrop‐downlist.Eachradiocanoperateonanyoneofthe

protocols.

¾ Power(mW):SelectapowerlevelfromthesupportedpowervaluesatwhichtheSensoroperatesforeach

selectedprotocol.Youmust

keepthedefaultvalues,whicharebasedonthemaximumtransmitpowerforthe

protocolaspermittedbytheregulatoryagenciesinthecountriesforwhichyouaredoingtheWLANplanning.

(Example:FCCintheUnitedStates).RefertoAppendixD:GlossaryofTermsformoredetailsonregulatory

domaincompliance.

¾ WaterfallCurve:Selectawaterfallcurvefromthedrop‐downlistofavailablewaterfallcurvesfortheselected

protocol.

¾ AdvancedParameters:Clicktosettheadvance802.11nparameters

.Thisisavailableonlyifyouhaveselected

the802.11nprotocol.

Click<Save>tosavethechanges.Alternately,click<Cancel>to discardthechanges.

7.7 ViewingSignalStrength

Plannerenablesyoutoviewthesignalstrengthofallthedevicesplacedonthefloormapacrossalayout.Useeitherofthe

followingtoviewthesignalstrength:

• Click

fromtheToolbar

• Right‐clickanywhereonthefloormapandselectViewsignalStrength

TheViewSignalStrengthscreenappears.

Figure 121. Viewing Signal Strength

ThescreendisplaysthesignalstrengthvaluesanddevicedetailssuchastheDeviceName,RadioID,ActiveProtocol,SSID,

SignalStrength,andLinkSpeedofthedevicesonthefloormap.TheSignalStrengthandLinkSpeedvalueschangeasyou

movethecursoracrossthefloor

map.

7.8 Statistics

Statisticsgivesthepercentage(%)areaunderspecificRFcoverageascomparedtothetotallayoutarea.Click onthe

ToolbartoinvokeStatistics.

RFcoverageforstatisticalanalysisincludes:

• AccessPointViews:Coverage,LinkSpeed,andChannelInterference

• SensorViews:SensorDetectionOnly,SensorPreventionOnly,andSensorRedundancy

Note:ToviewtheStatisticsfortheSensorViews,switchtotheSensorViewgroupand

clicktheStatisticsicon.