Specifications

Maxiva UAX
October 17, 2013
2‐13
888‐2693‐004 WARNING:Disconnectprimarypower priortoservicing.
Copyright©2013,HarrisBroadcast
Figure 2-8 RF Sample Connections: Cabinet Top
2.10 InitialStart‐upProcedure
ThefollowingprocedurepresentsthestepsrequiredtoturnonsafelytheUAXtransmitterforthefirsttime.Itis
recommendedthatinstallationpersonnelfullyreadthegeneralproductdescriptioninSection1,thecontrolsand
operationmaterialinSection3,andtheseproceduresbeforestarting.
STEP 1
Openallmainscircuitprotectiondevices(breakers,fuses)asasafety
precaution.
STEP 2 Carefullyinspectthetransmitterforanyloosehardware,unconnectedwires,
missingparts,debris,orothersignsofdamagefromshipmentor
installation.
STEP 3 Verifythatthefollowingbasicrequirementshavealreadybeenmet:
• Achannel izedRFmaskfilter(ifrequiredandnotinstalledinthecabinetatthefactory)ofadequatepowerrat‐
ingisco
nnectedtothesystemRFoutput.
• Atransmittingantennaordummyloadof50ohmsisconnectedtothesystemRFoutput(usuallytothemask
filter).
• Allblowerexhaustandairinletopeningsarenotblocked,andallnecessaryductworkisinplace.
• Allrack‐mountedunitshaveacontinualACmainssafetygroundconnectionviagreen/yellowconductor(third
prong)backtothemainsafetygroundattheACserviceentrance.
• AsuitableACmainsconnectionwithsurgeprotectiondeviceshasbeenmadeperthesystemdrawings.
• Thetransmitterrackandallrack‐mountedunitshaveprotectiveRFearthgroundingasnecessary.
• TheRFmuteandsafetyinterlockshavebeensatisfied(S eeSection2.9.4onpage2‐8)
• Asuitableprograminputsignal(video,ASI,ETI,SMPTE,etc)isconnectedtotheappropriatesocketsonrear
panelofLPUorcustomerI/Opanelatthetopoftherack(whereapplicable).(See2.9.5onpa
ge2‐10)
• Ifnecessary, asuitablefrequencycontrolsignal(10MHz,GPS,1pps)isconnectedtoappropriatesocketson
rearpanelofLPUorcustomerI/Opanelatthetopoftherack(whereapplicable).(See2.9.5onpa
ge2‐10)
• ThenecessaryRFsamplestoprovidesystemoutputmeteringandRTAChavebeeninstalled.(See2.9.6on
page2‐12)
• Thepropertestequipmentisonhandtoevaluatethetransmittedsignalqualityandprovideacalibrated
meanstoverifytheoutputpowerlevel.(e.g.spectrumanalyzer,waveformmonitor/signalanalyzer,average
powermeter)
• Theoriginalfactorytestdatashippedwithtransmitterison‐handandreadyforconsultation.
STEP 4
InstalltheLPUandPABPAandPSmodules.Dependingonthetransmitter
model,thePAandPSmodulesmaybeshippedinstalledinthetransmitteror
removedandplacedinaseparateshippingcontainer.Refertothefactory
testdata.EachPAmodulehasaserialnumber.ThePAmodulewi
llworkin
anyPAslotlocationbutshouldbeinstalledinthesamepositionsinwhich
theyweretested.