Radwin 2000 D+ - Page 20

RADWIN2000D+UserManual Release3.6.00 3‐4
AdditionalOutdoorSiteRequirements Chapter3
• Ifthesiteisnotsuitable,surveyanothersite
3.4.1AdditionalOutdoorSiteRequirements
Theambientoutdooroperatingtemperatureshouldbe‐35to60C(‐31to140F).
3.4.2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
3.5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.
3.6RFPlanningforDenseInstallationsand
CollocatedSites
Interferencemayarisefrom
• SelfinterferencefromcollocatedRADWINradios
• Othercollocatedradiodevicesinstalledonthesamesite.
Toavoidorminimizeinterference,followtheserecommendations:
• ForcollocatedRADWINunits,useanHSSunittosynchronizebetweenthem.Selecta
differentoperatingchannelsforeachcollocatedRADWINunit.
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 6‐4)movingintothegreenarea.