Radwin 2000 - Stage 3: RF Survey; RF Planning for Dense Installations and Collocated Sites

RADWIN2000UserManual Release2.8.30 3‐4
AdditionalOutdoorSiteRequirements
8.UsingtheOhmmeter,measureandrecordtheresistanceoftherequiredinstallation
tothegroundingpoint.Theresistancemustbelessthan1Oohm.
9.Reviewtheresultsofthephysicalsitesurvey.Decideifthesiteissuitableforthe
wirelessnetworkinstallation.
• Ifthesiteissuitable,continuewithstage3,theRFsurvey
• Ifthesiteisnotsuitable,surveyanothersite
AdditionalOutdoorSiteRequirements
Theambientoutdooroperatingtemperatureshouldbe‐35to60C(‐31to140F).
AdditionalIndoorSiteRequirements
Thefollowingrequirementsguaranteeproperoperationofthesystem:
• ForIDU‐Cunits,allowatleast90cm(36“)offrontclearanceforoperatingandmainte‐
nanceaccessibility.Allowatleast10cm(4“)clearanceattherearoftheunitforsignal
linesandinterfacecables
• Theambientoperatingtemperatureshouldbe0to50°C(32to122°F)atahumidityof
upto90%,noncondensing
Stage3:RFSurvey
TheRFsurveyexaminesthewirelessenvironmentoftheinstallationsite,todetermine
whetherthereareavailablechannelswithintheradiooperatingfrequencyband.AnRF
surveyisperformedusingaspectrumanalyzer.
Itisadvisabletofamiliarizeyourselfwiththespectrumanalyzerbeforegoingoutonsite,
specificallytheMaxHoldandMarkerfunctions.
YoushouldperformtheRFsurveyatbothproposedlinksites.
Thesurveyshouldbecarriedoutduringabusytimeofday,tobestjudgetheworst‐caseradio
inte rference.Allow2‐4hoursdurationforagoodRFsurvey.
RFPlanningforDenseInstallationsand
CollocatedSites
Interferencemayarisefrom
Note
ItispossibletoinstallthelinkandusetheRADWINManagertofindaclear
channel.Eachfrequencychannelcanbeevaluatedinturn.Achievementofa
clearchannelisindicatedbythemarkerintheQualitybarontheChannel
Settingwindow(seeFigure6‐6)movingintothegreenarea.