Datasheet

AR/GE/FE/U80/80XInstallationManual
22 58000519rev.D
3.9 AntennaAlignment
3.9.1 BeforeTurningOntheSystem
1. FinishtheinstallationasdescribedinChapter3.5 and3.6
2. Ensurefibercablesarestilldisconnected!
3.9.2 ConnectDCpowertotheradio.
3. Ver ifythatthePo werLEDislit.IfthePowerLEDisnotlit,carefullyusethevoltmeterto
verifythecorrectvoltageandpolarityattheradioconnector.TurnoffthePo werSupply
beforemakinganycorrections.
4. Repeatsteps1 thro ugh 3 onthefarendofthelink.
3.9.3 Preparetoroughaligntheradio.
5. ConnectRSLtestleadcabletoradioandplacevoltmeterwithreadingsinview.
6. Loosenthepolemountbracketsenoughtoallowyoutoswingtheunithorizontally.
7. Reference Chapter 3.5forillustrationofantennamountboltsandtheirpurpose.
3.9.4 Roughalignt heradioantennas
8. Settheradioterminaltothepredefinedazimuthifavailable.I fnot,youmayutilize
binocu larsorsignalmirrortolocatethefarendradiolocation.
9. Ifyoucanseethefarendradioterminalestimatethealignmentvisuallyandtightenthepole
mountbracketswithfineadjustmentboltsettothemidd leofad justmentrange.
10. Ensurethehorizontaladjustmentboltsaresnug;onlytightenboltsonequarterofaturn.
11. Slightlyrotateeachantennaup/downforbestverticalalignmentandleft/rightfor best
horizontalalignmentbyfindingthemaximumRSLvoltagereading.
12. Toensuret hattheantennasarenotalignedonasidelobe,theymustberotatedatleastten
degreesoneachsideofthevisuallyperceivedalignmentcentertoensurethatthetrue
maximumRSLvoltageisfound.
Thewidthofthecenterbeamisonly0.4º (80X)or0.9º(80)and
thefirstsidelobebeamisonly1degreeofff romcenter.
Settheantennaintheposit ionthatresult s inthehighest RSLvoltagereading.