RADWIN2000+SeriesUserManual Release4.2.40 4‐39
AntennaAlignment
Figure4‐56:Waterproofinganexternalconnection
4.11AntennaAlignment
• AnaudiblebuzzerisusedonboththeMasterODUandtheSlaveODU.Iftheexternal
antennaispositionedsofarawa yfromtheunitsoastomakethebuzzerinaudible,you
mayneedtousetwopeopletoperformantennaalignment.
• Antennaalignmentiscarriedoutinthreestages:
• MasterODUgrossalignment
• SlaveODUfinealignment
• MasterODUfinealignment
4.11.1AntennaAlignmentProcedure
1. Ensurethatpowerisconnectedtoallradiounits.
2. Ifyouareworkingwithanexternalantenna,connecttheverticalpolarization
connectoroftheantennatotheANT1connectoroftheradiounit,andthe
horizontalpolarizationconnectoroftheantennatotheANT2connectorofthe
radiounit.
3. EnsurethatthebuzzeronbothradiounitsisconfiguredtoAuto(seeLink
ConfigurationToolBaronpage 7‐27).AnunalignedODUstartsbeeping20seconds
afterpowerup,andcontinuesbeepinguntilitisaligned.
ThereisnoparticularreasontouseANT1andANT2inthatorder:They
justhavetobethesameforeachODUinthesector.Further,adoptinga
conventionlike“ANT1isalwaysvertical”avoidsmistakesacrossalarge
sector.