Datasheet
AR/GE/FE/U80/80XInstallationManual
4 58000519rev.D
Thefollowingtabledetailstheminimu mF1(FirstFresnel)clearanceneededfromo bstaclesinorder
toensuretheradioswilloperateproperly.
Table2.31:MinimumPathClearance
PathLength
(meters)
MinimumF1Clearance
(meters)
PathLength
(miles)
MinimumF1Clearance
(feet)
1000 0.58 0.62 1.9
2000 0.82 1.24 2.7
5000 1.3 3.10 4.3
10000 1.8 6.21 5.9
2.4 LinkDistance
Measurementofthelinkdistanceisimportantin estimatingt helinkavailabilityandcalculating
expectedReceiveSignalLevel(RSL).Thismeasur ementcanbeperformedusingtheLatitudeand
LongitudecoordinatereadingsfromaGlobalPositioningSystem(GPS)device,which isplacednear
theproposedlocationsoftheantennas.Add itionallyGPSreadingwillberequiredinordertocomply
withtheFCCregistrationprocess.
TheMinimum80GHzLinkdistancesareasfollows:
· AR/GE/FE80:328feet(100meters)
· AR/GE/FE80X:1312feet( 400meters)
Toestimatemaximumdistancesandavailabilitiesforagivenproductandregion,BridgeWave’s
PathAvailabilitycalculatorcanbeused.ToobtainthelatestversionofBridgeWave’sPath
Availabilitycalculator,contactBridgeWave’sCustomerServiceorsearcheServiceCenter
Knowledgebase.
2.5 AntennaLocation
Theoptimumlocationfortheantennasmustbedetermined.Theideal locationshouldprovidefor
easeoferectingandmountingtheantenna,aswellasprovidingunimpededLOStotheremote
location.Thefollowingfact orsshouldbetakenintoacco unt:
· Typeofmounting—fixedorroofsafepolemounting.
· LocationoffiberandDCpowerwiringingress/egressofthebuilding.
· Lengthofcableruns.
· ConfirmedEarthGroundingconnectionpoints.
· Obstructions,includinga llowancesfortreegrowth.
· Acces sibilityoftheradiomountinglocation.
· Acces sibilityofthesiteduringandafterworking hours.