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    GatesAir.com

    TECHNICAL MANUAL

    TELEVISION BROADCAST TRANSMITTER

    888-2743-001

    Maxiva TMULXT Series

    Revision E

    March 8, 2015

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    ManualRevisionHistory

    ULXT8882743001

    REV. DATE ECN Pages Affected / Description

    A May2014 PreliminaryManual

    B August2015 Generalupdateallsections.

    C January2015 E64248 Generalupdateallsections.AddedGUIinfosection3.

    D February2015 E64368 UpdatedSections2,5&7.

    E March2015 E64394 Updatedcoolanttype.

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    Publication Information

    2014 GatesAir, Inc. Proprietary and Confidential.GatesAir considers this document and its contents to be proprietary and confidential. Except formaking a reasonable number of copies for your own internal use, you may not reproduce thispublication, or any part thereof, in any form, by any method, for any purpose, or in any language otherthan English without the written consent of GatesAir. All others uses are illegal.

    This publication is designed to assist in the use of the product as it exists on the date of publication ofthis manual, and may not reflect the product at the current time or an unknown time in the future. Thispublication does not in any way warrant description accuracy or guarantee the use for the product towhich it refers.GatesAir reserves the right, without notice to make such changes in equipment, design, specifications,components, or documentation as progress may warrant to improve the performance of the product.GatesAir reserves the right, without notice to make such changes in equipment, design, specifications,components, or documentation as progress may warrant to improve the performance of the product.

    Trademarks

    Product names and other appropriate trademarks, e.g. Maxiva, Intraplex HD Link,

    PowerSmart, Flexiva 3DX] are trademarks of GatesAir or its subsidiaries. Microsoftand Windows are registered trademarks of Microsoft Corporation. All other trademarks andtrade names are the property of their respective companies.

    Global Contact Informationhttp://www.gatesair.com/company/contact-us.aspx

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    TechnicalAssistance

    TechnicalandtroubleshootingassistanceforGatesAirproductsisavailablefromthefieldservicedepartment

    duringnormalbusinesshours8:00AMto5:00PMCST.

    Telephone+12172228200,ULXT+12172217086,[email protected] .

    Emergencyservice

    is

    available

    24

    hours

    aday,

    seven

    days

    aweek,

    by

    telephone

    only.

    Onlineassistance,includingtechnicalmanuals,softwaredownloads,andservicebulletins,isavailableatour

    CustomerPortalhttp://support.gatesair.com .

    ForGlobalTechnicalSupportInformationpleasevisit:

    http://www.gatesair.com/services.aspx

    Europe,MiddleEastandAfrica:

    24/7TechnicalSupport+12172228200

    Email [email protected]

    Asia:

    24/7TechnicalSupport+12172228200

    Email [email protected]

    Addresswrittencorrespondenceto GatesAir

    FieldServiceDepartment

    3200WismannLane

    Quincy,IL62305,USA.

    NOTE:Forallserviceandpartscorrespondence,pleaseprovidethesalesordernumber,aswellastheserial

    numberforthetransmitterorpartinquestion.Recordthosenumbershere:

    ___________________________________/___________________________________

    Pleaseprovide

    these

    numbers

    for

    any

    written

    request,

    or

    have

    these

    numbers

    ready

    in

    the

    event

    you

    choose

    to

    callregardinganyserviceorpartsrequests.Allwarrantyclaimsrequireaserialnumbertobeprovided.Forout

    ofwarrantyproducts,thiswillhelpusidentifywhathardwareshipped.

    ReplaceablePartsService

    Theservicepartsdepartmentisavailablefrom8:00AMto5:00PMCSTMonday Friday,

    and8:00AMto12:00PMCSTonSaturday.

    [email protected]

    UnpackingCarefullyunpacktheequipmentandperformavisualinspectiontodetermineifanydamagewasincurred

    duringshipment.Retaintheshippingmaterialsuntilithasbeenverifiedthatallequipmenthasbeenreceived

    undamaged.Locateandretainallpackingchecklists.Usethepackingchecklisttohelplocateandidentifyany

    componentsorassemblieswhichwereremovedforshippingandmustbereinstalled.Alsoremoveanyshipping

    supports,straps,andpackingmaterialspriortoinitialturnon.

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    ReturnsAndExchanges

    NoequipmentcanbereturnedunlesswrittenapprovalandareturnauthorizationisreceivedfromGatesAir.

    Specialshippinginstructionsandcodingwillbeprovidedtoassureproperhandling.Completedetailsregarding

    circumstancesandreasonsforreturnaretobeincludedintherequestforreturn.Customequipmentorspecial

    orderequipmentisnotreturnable.Inthoseinstanceswherereturnorexchangeofequipmentisattherequest

    ofthe

    customer,

    or

    convenience

    of

    the

    customer,

    arestocking

    fee

    will

    be

    charged.

    All

    returns

    will

    be

    sent

    freight

    prepaidandproperlyinsuredbythecustomer.WhencommunicatingwithGatesAir,specifytheGatesAirorder

    numberorinvoicenumber.

    SafetyThismanualisintendedasageneralguidefortrainedandqualifiedpersonnelwhoareawareofthedangers

    inherentinhandlingpotentiallyhazardouselectrical/electroniccircuits.Itisnotintendedtobeacomplete

    statementofallsafetyprecautionswhichshouldbeobservedbypersonnelinusingthisorotherelectronic

    equipment.Theinstallation,operation,maintenanceandserviceofthisequipmentinvolvesriskstopersonnel

    andequipment,andmustbeperformedonlybyqualifiedpersonnelexercisingduecare.GatesAirshallnotbe

    responsibleforinjuryordamageresultingfromimproperproceduresorfromtheuseofimproperlytrainedor

    inexperiencedpersonnelperformingsuchtasks.Duringinstallationandoperationofthisequipment,local

    building/electricalcodes

    and

    fire

    protection

    standards

    must

    be

    observed.

    ! WARNING:THE CURRENTS AND VOLTAGES IN THIS EQUIPMENT ARE DANGEROUS. PER-

    SONNEL MUST AT ALL TIMES OBSERVE SAFETY WARNINGS, INSTRUCTIONS

    AND REGULATIONS.

    ! WARNING:ALWAYSDISCONNECTPOWERBEFOREOPENINGCOVERS,DOORS,ENCLO

    SURES,GATES,PANELS,ORSHIELDS.ALWAYSUSEGROUNDINGSTICKSAND

    SHORTOUTHIGHVOLTAGEPOINTSBEFORESERVICING.NEVERMAKEINTER

    NALADJUSTMENTS,

    PERFORM

    MAINTENANCE,

    OR

    SERVICE

    WHEN

    ALONE

    OR

    WHENFATIGUED.

    ! WARNING:DO NOT REMOVE, SHORT-CIRCUIT OR TAMPER WITH INTERLOCK SWITCHES

    ON ACCESS COVERS, DOORS, ENCLOSURES, GATES, PANELS OR SHIELDS.

    KEEP AWAY FROM LIVE CIRCUITS, KNOW YOUR EQUIPMENT AND DONT

    TAKE CHANCES.

    ! WARNING:INCASEOFEMERGENCYENSURETHATPOWERHASBEENDISCONNECTED.IF

    OILFILLED

    OR

    ELECTROLYTIC

    CAPACITORS

    ARE

    UTILIZED

    IN

    YOUR

    EQUIPMENT,

    ANDIFALEAKORBULGEISAPPARENTONTHECAPACITORCASEWHENTHE

    UNITISOPENEDFORSERVICEORMAINTENANCE,ALLOWTHEUNITTOCOOL

    DOWNBEFOREATTEMPTINGTOREMOVETHEDEFECTIVECAPACITOR.DO

    NOTATTEMPTTOSERVICEADEFECTIVECAPACITORWHILEITISHOTDUETO

    THEPOSSIBILITYOFACASERUPTUREANDSUBSEQUENTINJURY.

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    FirstAidforElectricalShock

    Faultyswitches,frayedflexesanddefectiveappliancescanallbecausesofelectricalshock.Evenashockfroma

    domesticcurrent thetypeusedinthehomeortheworkplace cancauseseriousinjuryorevenresultina

    fatality.

    Wateris

    avery

    efficient

    conductor

    of

    electricity

    and

    presents

    an

    additional

    risk.

    Handling

    otherwise

    safe

    electricalequipmentwithwethands,orwhenstandingonawetfloor,greatlyincreasestheriskofelectrical

    shock.

    TreatmentforElectricalShock

    Beforedoinganythingelse,rememberthatthefirstpriorityispersonalsafety.Donottouchavictimiftheyare

    stillincontactwiththeappliancethathascausedtheshock.Iftheyarestillincontactwiththeelectricalsource,

    theywillbe'live'andyouriskelectrocutiontoyourself.

    Turn

    off

    the

    source

    of

    the

    electricity,

    if

    possible,

    to

    break

    contact

    between

    the

    victim

    and

    the

    electrical

    supply.

    Switchoffthesupplyatthemainsormeterpointifpossible,otherwiseremovetheplugorwrenchthecable

    free.

    Alternatively,youcanmovethesourceoftheshockawayfromyouandthevictim.Standonsomedry,

    insulatingmaterialsuchasawoodenbox,plasticmatortelephonedirectory.Usingawoodenpoleorbroom,

    pushthecasualty'slimbawayfromtheelectricalsourceorpushthesourceawayfromthem.

    Ifitisnotpossibletobreakthecontactusingawoodenpoleorbroom,loopalengthofropearoundthe

    casualty'sanklesorundertheirarms.Takegreatcarenottotouchthemwhileyouaredoingthis.Onceyouhave

    loopedtheropearoundthem,usethistopullthemawayfromthesourceoftheelectricalcurrent.

    Onceyouhavebrokenthecontactbetweenthevictimandthesourceoftheshock,conducttheprimarysurvey

    response,airway,circulation,breathing andtreatanyurgentconditionfound.Callimmediatelyfor

    emergencyservices.

    Postasmuchinformationaspossibleatthetransmittersite.PosterssuchasFigure01onthenextpageshouldbe

    prominentlydisplayednearthetransmitter.Emergencycontactphonenumbersanddirectionstothetransmitter

    sitewithlandmarksintheareashouldbepostednearthetransmitterandtelephone.

    References

    Itisveryimportanttohaveasafetyplaninplaceandavailablepersonnelthataretrainedandcertifiedinfirstaid

    andCPR.Pleaserefertothefollowingwebsitesformoreinformation:

    AmericanRed

    Cross

    www.redcross.org

    OccupationalSafetyandHealthAdministration(OSHA) www.osha.gov

    ForcountriesotherthanUSA,contacthealthandsafetyagenciesinyourareaformoreinformation.

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    Figure01 ElectricalShockFirstAidPoster(Example)

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    Glossary

    AIB AnalogInputBoard,Anoptionalcircuitcardforthemodulatorsectionofthelowpowerunit(LPU).It

    providesthenecessaryinterfacetoallowthemodulatortoacceptanalogvideoandaudioinputsaccordingto

    thePAL,NTSC,orSECAMstandards.Notavailableinallmodels.

    ADC

    Analog

    to

    Digital

    Converter

    ASI AsynchronousSerialInterface,AstreamingformatusedtocarrytheMPEGtransportstreamfromthe

    networkoriginationpointtothetransmitterformodulationontotheRFcarrier(s).

    ATSC AdvancedTelevisionSubcommittee,adigitaltelevisionstandardfeaturingasingle,vestigialsideband

    carrierandan8VSBmodulationconstellation.ThetransportstreamformatmaybeeitherSMPTE310orASI.

    Thedataratebeforeforwarderrorcorrectionis19.392658Mbit/s.Thetransmitteddataratewitherror

    correctionis32.28Mbit/s.

    BackPorch Theportionoftheanalogvideohorizontallinewaveformfollowingthesyncpulsebutbeforethe

    startofactivevideo.Onlyusedinmodelsthatarecapableofanalogmodulation.

    BandIII

    The

    VHF

    radio

    frequency

    band

    from

    168

    MHz

    to

    242

    MHz.

    BandIV TheUHFradiofrequencybandfrom470MHzto860MHz.

    BPF BandPassFilter.Mayalsobecalledamaskfilterorcriticalmaskfiler.Ahighpowerfiltercenteredabout

    thedesiredchannelbandwidthandlocatedatthetransmitteroutputporttoeliminateoutofband

    intermodulationproductsarisingfromthepoweramplificationprocess.

    BTSC BroadcastTelevisionSystemsCommittee

    CAN ControllerAreaNetwork(CANorCANbus)isaserialcommunicationsstandarddesignedtoallowmicro

    controllersanddevicestocommunicatewitheachother.

    COFDM

    CodedOrthogonal

    Frequency

    Division

    Multiplex.

    A

    transmission

    technique

    in

    which

    the

    information

    contentofacompleteensemble(multiplex)isdividedandmodulatedontoamultitudeofcloselyneighboring

    RFcarrierswithinachannelbandwidth(frequencyblock).Thedivisionoftheinformationpayloadamonga

    largenumberofRFcarriersensuresthateachindividualRFcarrierhasaverylowdatarate(symbolrate).The

    longsymbolperiodoftheindividualRFcarriersallowsthereceivertowaituntilalldelayedsignalreflections

    havearrivedandbeenaddedtothedirectsignal(...duringaguardintervaltobediscarded).Thispermits

    recoveryastablesignalindifficultreceptionconditions,especiallyduringmobilereception.

    CPLD Complexprogrammablelogicdevice.

    CRC CyclicRedundancyChecksumisaprocedureforerrordetectionindigitalsignals.Beforedistributiontothe

    transmitter,aCRCiscomputedforthetransportstreamsignal.ThisCRCissentinthetransportstream.Upon

    receptionatthetransmittersite,anotherCRCiscomputedfromthereceivedtransportstreamandcompared

    tothetransmittedvalue.IftheCRCsareidentical,noerrorhasoccurredduringthedistributiontothe

    transmittersite.

    DABModeDigitalAudioBroadcastisaAdigitalradio/multimediastandardfortransmittingmultipleprograms

    withina1.5MHzRFfrequencyblock.TheoriginalDABstandardhasbeenextendedbytwodifferent

    enhancementstotheencodinglayer:DABPlusandDMB.AllthreestandardsusetheoriginalDABmodulation

    formatinthetransmitter(changesareupstreamintheencoder).FourdifferentDABmodesexist.VAXmodel

    transmittersuseDABmodeI.

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    DAC DigitalAnalogConverterreferstoacircuitthatconvertsdigitalvaluesinsidetheprocessingstagesofthe

    LPUmodulatorintoanalogRFwaveformsforamplificationandtransmissionbythetransmitter.

    dBm Decibelsaboveamilliwattreferstoalogarithmicsignalpowermeasurementscalereferencedto1mW.0

    dBmisequivalentto1mW.10dBm=10mW,20dBm=100mW,30dBm=1000mW.

    DMB DigitalMultimediaBroadcastingisamodificationofthebasicDABsystemaccordingtoETSIstandard(TS

    102427andTS102428)usingMPEG4(H.264)andBSAC/HEAACV2compressiontopermitsendingof

    multimediainformation(radio,TV,anddatacasting)tomobiledevicessuchasmobilephones.Originally

    developedinSouthKorea.

    DNS TheDomainNameSystem(DNS)isanamingsystemforcomputersconnectedtotheInternetora

    network.IttranslatesuserdomainnamestotheassignednumericalIPaddresses.

    DUCDigitalUpconverterisacircuitintheLPUmodulatorsectionthatconvertsthedigitalmodulatedbaseband

    signaltothe140MHzdigitalintermediate frequency.

    DynamicDelay Referstoaprocessingfunctionprovidedinthemodulatorsectiontocompensatefordifferent

    delaysoftheprogramdatastreaminthedatadistributionnetworkbetweenthenetworkoriginationpointand

    varioustransmitter

    sites.

    A

    time

    stamp

    contained

    in

    the

    transport

    stream

    serves

    as

    areference.

    The

    present

    timeisdeliveredbyaGPSreceiveratthetransmitter(1ppssignal,risingslope).Comparingthesetwosources,

    thedynamicdelayfunctionisabletosynchronizetheprograminputtoalltransmittersoveraonesecond

    correctionrange.

    Ensemble Thecompleteinformationpayloadbeingreceivedandprocessedbythetransmitter,typicallywhen

    transmittingaccordingtotheDABstandard.Ingeneral,theensembleincludesaudioprograms,dataservices,

    andpossiblyvideocontent.

    ETI EnsembleTransportInterfacereferstothetransportstreamformatforDAB/DMBbroadcasting(2.048

    Mbit/s,G.703)usedtosendprogrammaterialfromtheensembleprovidertoallDABtransmittersinanetwork.

    TheETIformathastwovarieties:ETINAandETINI.

    ETI(NA)

    Ensemble

    Transport

    Interface,

    Network

    Adapted

    Layer,

    is

    aprotocol

    suited

    for

    transmitting

    the

    ETI

    signalviatelecomnetworks.IthasaframestructurethatcomplieswithG.704specificationsandcontainserror

    protectioninformation(ReedSolomonCode).Thebitclockfrequencyis2.048MBit/s.

    ETI(NI) EnsembleTransportInterface,NetworkIndependentLayer,isaprotocolissuitedfortransmissionwith

    connectionsthathavealowerrorrateandaconstantsignaldelay.Itdoesnotcontainanyerrorprotection

    information.Thebitclockfrequencyis2.048MBit/s.

    EIB ETIInputBoardisanoptionalcircuitcardforthemodulatorsectionofthelowpowerunit(LPU).It

    providesthenecessaryinterfacetoallowthemodulatortoacceptETItransportstreamsaccordingtotheDAB

    digitaltransmissionstandard.

    ESD Electrostaticdischargeisthetransferofstaticelectricitywhentwoobjectscomeintocontact.

    Ethernet PhysicalinterfacebywhichadevicemaybeconnectedtoaLANand/ortheInternettoprovideweb

    basedsupervision.ItgenerallyemploysanRJ45connector.

    EVM ErrorVectorMagnitudeisameasureusedtoquantifytheperformanceofthequalitythedigitalbeing

    transmitted.Asignalsentbyanidealtransmitterwouldhaveallconstellationpointspreciselyattheideal

    locations.However,variousimperfectionsinthesignalpathcausetheactualconstellationpointstodeviate

    fromtheideallocationsbyfiniteerrorvectors.GenerallyassociatedwiththeATSCmodulationstandard.

    Analogoustothemodulationerrorration(MER)usedfortheDVB,DABandothermodulation

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    FEFFutureExtension Frames

    FFTFastFourier Transform

    FPGA FieldProgrammableGateArray,isanintegratedcircuitdesignedtobeconfiguredbythecustomeror

    designeraftermanufacturing.FPGAsperformmanyoftheintensivedigitalprocessingstepsusedtosynthesize

    thetransmittedRFsignalintheLPUmodulatorsection.

    GPSS GlobalPositioningSatelliteSystemissatellitebasednavigationsystemcommonlyusedfordetermining

    positionandnavigating.Inasinglefrequencynetworkcontext,itdeliversanextremelyprecisetimereference

    (UTC...universaltimecoordinated)thatisusedtosynchronizealltransmitters.

    GUI GraphicalUserInterfaceisatypeofuserinterfacethatallowsuserstointeractwithelectronicdevicesvia

    imagesratherthantextcommands.Inthisapplication,theuserinterfaceprovidedbyatouchscreenindual

    drivesystemsorthewebbasedremoteinterfaceservedovertheEthernetinterface.

    HierarchicalModeAtransmissiontechniquewherebythetransmitteddatapayloadisdividedintoalower

    dataratehighpriority(HP)streamandahigherdataratelowpriority(LP)stream.Thosereceiverswithdifficult

    receptionconditionsdecodeonlythemorerobustHPdatastream,whilereceiverswithgoodreception

    conditionsreceive

    both

    data

    streams.

    Hotpluggable Termtodenotethatthedeviceinquestioncanberemovedwhiletransmitterisoperating

    withoutsufferingdamageorcausingdamagetootherdevices.

    HPF HighPowerFilteralsoreferredtoasmaskfilterorcriticalfilter.

    HTML HyperTextMarkupLanguageisthepredominantmarkuplanguageforwebpages.HTMListhebasic

    buildingblockofwebpages.

    IP InternetProtocol

    IPAddressInternetProtocolAddressisanumericallabelassignedtoeachdevice(e.g.,computer,printer)

    participatingin

    acomputer

    network

    that

    uses

    the

    Internet

    Protocol

    (IP)

    for

    communication.

    An

    IP

    address

    servestwoprincipalfunctions:hostornetworkinterfaceidentificationandlocationaddressing.

    ISP InSystemProgrammingreferstoaGatesAirutilityusedtoupdatetransmittersoftware.

    LCD LiquidCrystalDisplayisathin,flatelectronicvisualdisplaythatusesthelightmodulatingpropertiesof

    liquidcrystalstodisplaytextandimages.Oftenusedtorefertothebluedisplayscreenonthefrontpanelof

    LPU(lowpowerunit).

    LPF LowPassFilter.Typicallyinstalledclosetothetransmitteroutputport.Itisusedtoattenuateoutofband

    emissionsatthesignalharmonicfrequenciesarisingfromthehighpoweramplificationprocess.Itmayalsobe

    referredtoasaharmonicfilter.

    LPU

    LowPower

    Unit.

    Device

    that

    contains

    modulator

    (exciter)

    and

    amplifier

    sections.

    There

    are

    several

    differentversionsofLPU.

    LVDS LowVoltageDifferentialSignalling

    MaskFilter Filterdesignedtopassaspecifiedfrequencyband.

    MCM MasterControlModuleisacircuitboardintheTCU(transmittercontrolunit).TCUsareusedinsome

    versionsofGatesAirtransmitters. LatermodeltransmittersusetheMSC2asatransmittercontroldevice.

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    MER ModulationErrorRatioisameasureusedtoquantifythequalityofthedigitalbeingtransmitted.Asignal

    sentbyanidealtransmitterwouldhaveallconstellationpointspreciselyattheideallocations.Howevervarious

    imperfectionsinthesignalpathcausetheactualconstellationpointstodeviatefromtheideallocationsby

    finiteerrorvectors.Themodulationerrorratioquantifiestheratioofthedesiredsignaltotheundesirederror

    vectors.MERistypicallyassociatedwithCOFDMmodulationformatssuchasDVBorDAB.

    MFS MegaFrameSync

    MIB ManagementInformationBase

    MIP MegaframeInitializationPacket

    NICAM NearInstantaneousCompandedAudioMultiplex;earlyformoflossycompressionfordigitalaudio.

    NIT NetworkInformationTable

    PA PowerAmplifierisanelectroniccircuitthatacceptsalowlevelRFsignalandoutputsanamplifiedreplica.

    PB PowerAmplifierBlockreferstoahighpoweramplifierstage.MayrefertotheLPUpoweramplifiersection

    orone

    or

    more

    high

    power

    amplification

    stages

    external

    to

    the

    LPU.

    PBs

    are

    typically

    numbered

    from

    1n

    with

    PB1beingthehighestintherack.

    PC PersonalComputer

    PCBPrintedCircuitBoardinthetransmitter.

    PCM ProcessorControlModuleisacircuitcardinthetransmittercontrolunit(TCU).TheMCMcardprovides

    mostofthecorecontrolfunctions,whereasthePCMcardcontrolstheuserremote&GUIinterface.Later

    modeltransmittersusetheMSC2insteadoftheTCU.

    PFRU PreciseFrequencyReferenceUnitisacircuitsubassemblyinsidetheLPUmodulatorsectionresponsible

    forsupplyingthevarioushighstabilityoscillatorsignalsrequiredtosynthesizetheRFwaveformthatwillbe

    transmitted.

    PLL PhaseLockedLoop

    PRBS PseudoRandomBinarySequenceisanendlessseriesofrandomnumberstypicallyusedfortransmitter

    testpurposes,oftenwhenavalidtransportstreamdoesnotexist.

    PS PowerSupplyisadevicethatsuppliesDCelectricalenergytooneormoreelectricloads,typicallyviathe

    rectificationofanACmainselectricalinput.

    RF RadioFrequencyreferstoanelectricaloscillationatthefrequencyofradiowavesintherangeof3kHzto

    300GHz.Inthisapplication,typicallyasignalinthe168MHzto242MHzfrequencyrangeoftheVAX

    transmitter.

    RS485 TIA/EIAstandardforserialmultipointcommunicationslines,alsoknownasEIA485andTIA/EIA485,is

    astandarddefiningtheelectricalcharacteristicsofdriversandreceiversforuseinbalanceddigitalmultipoint

    systems.ThestandardispublishedbytheTelecommunications IndustryAssociation/ElectronicIndustries

    Alliance(TIA/EIA).

    RTACTM RealTimeAdaptiveCorrectionisasignalprocessingtechniqueappliedinthemodulatorsignal

    generationstagewhichseekstocorrectdistortionsproducedinthehighpoweramplificationandfiltering

    stagesbymeansofpredistortion.

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    RUIsanabbreviationforrackunit.Onerackunitequals1.75"(44.45mm).Therackunitisusedtodescribethe

    heightofcomponentsthatwillbeplacedinracks.

    SFN SingleFrequencyNetworkisatypeoftransmissionnetworkinwhichalltransmittersaresynchronizedin

    frequencyandphase(symbol).Thistransmissiontechniqueoffershighfrequencyeconomy,asasingle

    frequencycanbeusedinalargegeographicarea.

    SMA SMAconnector consistsofa0.250x36thread.Themaleisequippedwitha.312inch(7.925mm)hex

    nut.

    SMPTE310AtransportstreamformatsometimesemployedwiththeATSCdigitaltelevisionstandard.Refers

    tothesetofcooperatingstandardsthatlabelindividualframesofvideoorfilmwithatimecodedefinedbythe

    SocietyofMotionPictureandTelevisionEngineers.

    StaticDelay Adelayfunctionprovidedbytheexciteroveramanuallysettablerangeof0to1000msto

    compensatefordifferencesinsignalprocessingdelaysorlocalpropagationconditionsforindividual

    transmittersinasinglefrequencynetwork.

    Sync(Syncpulse) Termusedinanalogbroadcasting thatreferstothehorizontalsynchronizationpulseinthe

    videowaveform

    which,

    when

    transmitted,

    creates

    the

    highest

    level

    of

    peak

    envelope

    power

    in

    the

    transmitter.

    TCO TotalCostofOperation

    TII TransmitterIdentificationInformationisadatafieldtransmittedduringthenullintheDABRFframe

    containingtransmitteridentificationinformationforusebythereceiver.Eachtransmitterinasinglefrequency

    networkhasitsownuniqueTIIidentifier.

    TimeStamps Datafieldsinthetransmissionprotocol(e.g.intheETIsignal)containingtiminginformationfor

    thepurposesofsignalmonitoringandsynchronization.

    TS TransportStreamreferstoastandardformatfortransmissionandstorageofaudio,video,anddatafor

    broadcastsystemssuchasDVBandATSC.Thetransportstreamspecifiesacontainerformatencapsulating

    packetizedelementary

    streams,

    with

    error

    correction

    and

    stream

    synchronization

    features

    for

    maintaining

    transmissionintegritywhenthesignalisdegraded.Dependingonthedigitaltransmissionstandard,the

    transportstreammaybeintheSMPTE310,ASI,orETIformat.

    TPO TransmitterPowerOutputreferstothetransmitterforwardoutputpowerlevel.

    TSP TransportStreamPacket

    UDC UpDownConverterreferstoacircuitintheLPUmodulatorsectionthatconvertsan140MHz

    intermediate frequencysignaltothefinaldesiredVHFRFchannelfrequency(upconversion)orviceversa(down

    conversion)

    UPS UninterruptablePowerSupplyisabatterybasedsystemdesignedtoprovidepowerduringanACmains

    failureevent.

    VGA VideoGraphicsArrayisavideodisplaystandardusedbythepersonalcomputerindustrybasedona640

    x480pixelresolution.ThestandardusedbytheTCUtouchscreenindualdrivesystems.

    VHFVeryHighFrequencyistheradiofrequencyrangeof30MHzto300MHz.Inthisapplication,the168MHz

    to242MHzfrequencybandcoveredbyaVAXtransmitter.

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    WEBAsystemofInternetserversthatsupportHTMLformatteddocuments.Adeviceorinterfacethatuses

    HTMLformatteddocumentstransmittedaccordingtotheIPprotocol,typicallyoverLAN/WAN/Internetservers,

    butalsolocallyvia1:1communications.

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    1

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    Maxiva ULX-T Series

    March 8, 2015

    Section-1 Introduction 1

    1.1 Purposeof

    This

    Manual

    ThistechnicalmanualcontainstheinformationpertainingtotheMaxivaULXTSeries,solidstate,liquidcooledUHFTVtransmitter.Thevarioussectionsofthistechnicalmanualcontainthefollowinginformation.

    Section1,Introduction,providesgeneralmanuallayout,photos,equipmentdescription,blockdiagramandgeneralspecifications.

    Section2,Installation,providesphysicalandelectricalinstallationproceduresforthetransmitter,cooling,RFsystems,andbasicremotecontrolconnections.

    Section3,Operation,providesoperationalandnavigationinformationforthegraphicaluserinterface(GUI)aswellasidentificationandfunctionsofcontrolsandindicators.

    Section4,MaintenanceandAlignments,providespreventativeandcorrectivemaintenanceinformationandfieldalignmentprocedures.

    Section5,Maintenance,providesproceduresonsetupandcalibrationofthetransmitter Section6,Troubleshooting, Informationonlocatingfaultymoduleswithinthetransmitter Section7,PartsList,providesapartslistfortheoveralltransmitteraswellasindividualmodules.

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    001

    1.2 GeneralDescription

    ThissectioncontainsageneraldescriptionoftheMaxivaULXTSeriestelevisiontransmittersincludingcontrolsystem,PB(powerblocks),blockdiagramsandsystemspecifications.

    Notes:

    1.xx=Specificmodulationloadedinexciter:DV=DVBT/H,T2=DVBT2,IS=ISDBT/H,CM=CMMB,andCT=CTTB

    2.ModelsULXT2throughULXT10featureinternalpumpmodule(6RU).

    3.ULXT12throughULX30requireoneexternalpumpmodule.

    4.ULXT40throughULX60requiretwoexternalpumpmodules.

    5.SingleIPAmoduleisstandard.DualIPAisoptional

    6.Singleexciterisstandard.Dualexciterkitisoptional.Excitersare1RUtall.

    7.1RU

    =44.45

    mm

    (1.75

    inches)

    in

    height.

    8.LCDcontrolpanelisstandard.GUI(panelPC)controlpanelisoptional.

    9.Averagepowerlevelsprovidedmayvarywithfrequencyandconfiguration.

    10.Specificationsaresubjecttochangewithoutnotice.

    11.SinglePB(powerblock)xmtrsuseone20kWheatexchanger,twoandthreePBxmtrsuseone50

    kWheatexchanger,four sixPBxmtrsusetwo50kWheatexchangers,eightPBxmtrsusethree50

    kWheatexchangers.

    Table11 MaxivaULXTPowerLevels

    Model No. ofRacks

    (RUperrack)

    PumpModule

    Type(numberof

    dualpump

    modules)

    PreFilter

    OFDMOutput

    Power(W)

    PreFilterATSC

    OutputPower

    (W)

    No.ofPBs,

    (PBheights

    combinedRU)

    ULXT2xx 1(37)

    Internal(1 )

    1,200 1,8001(7 )

    ULXT4xx 1(37) 2,400 3,600

    ULXT6xx 1(37) 3,600 5,400

    1(12)ULXT8xx 1(37) 4,600 7,200

    ULXT10xx 1(37) 5,500 9,000

    ULXT12xx 1(37)

    External(1 )

    7,000 10,600

    2(24)ULXT16xx 1(37) 9,000 14,200

    ULXT20xx 1(37) 10,800 17,700

    ULXT24xx 2(37)

    External(2 )

    13,400 21,1003(36)

    ULXT30xx 2(37) 16,100 26,300

    ULXT40xx 2(37) 21,400 35,100 4(48)

    ULXT50xx 3(37)

    External(3 )

    26,500 43,400 5(60)

    ULXT60xx 3(37) 31,800 52,100 6(72)

    ULXT80xx 4(37) 42,300 69,700 8(96)

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    Figure 1-1 ULXT Cabinet 2 PB

    .

    Figure 1-2 ULXT 1 PB (integrated pump module)

    Front Rear

    Front Rear

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    1.2.1 SystemBlockDiagrams

    Figure13containsasimplifiedblockdiagramshowingRfsignalflowinadualdrive,twopowerblock(PB)MaxivaULXTtransmitter.ThediagramdescribesRFpowerflowfromexciterthroughtransmitter,filtersandtoantenna.ThedrivechaincontainstwoexcitersandIPAs.

    Figure 1-3 Maxiva ULXT Dual Drive System

    Figure 1-4 Maxiva ULXT Single Drive System

    PAModules

    Splitter Combiner LPF

    PB2

    PA

    ModulesSplitter Combiner

    Exciter A

    Exciter B

    IPA A

    IPA B

    Load

    LPF

    BPFPB1

    Combiner

    Load

    IPA A

    IPA B

    Load

    Splitter

    Splitter

    Cabinet

    PA

    ModulesSplitter Co mb in er L PF

    PB2

    PA

    ModulesSplitter Combiner

    Exciter A IPA A

    Load

    LPF

    BPFPB1

    Combiner

    Load

    IPA A

    Load

    Splitter

    Cabinet

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    1.2.2 TransmitterACPower

    ThreephaseACmainsmustbesuppliedtothecabinetsviacustomersuppliedACmainsbreakerorfusepanel.Thetransmittercanaccept208240VAC(DeltaorWYE)or380415VAC(WYE).Forinstallationinformationincludingbreakerandwiresizesseedrawing8399363312(withintegratedpump,singlepowerblock),8399363324(twopowerblocks),8399363334(threepowerblocks),8399363344(fourpowerblocks),8399363354(fivepowerblocks),8399363364(sixpowerblocks).

    Caution

    THREE PHASE 440-480VAC AC MAINS CAN ALSO BE USED BUT ONLY WITH

    AN EXTERNAL TRANSFORMER WHICH CAN BE ORDERED SEPARATELY

    FROM GATESAIR.

    1.2.3 CoolingSystem

    TheULXTtransmitterusesa50/50glycol/water,closedloop,coolingsystemtomovetheheatawayfromthetransmitter.RefertoAppendixBCoolingSystemHelpforadditionalcoolantinformation.AsimplifiedblockdiagramoftheliquidcoolingsystemisshowninFigure15.Thecoolingsystemincludes:

    a. Coolingsystem

    pump

    module(s)

    b. Heatexchanger(s)

    c. SystemAirpurgerlocatedatthehighestpointinthecoolingsystem.

    d. Coolantstrainerlocatedinthepumpmodule.

    e. Supplyandreturnlinehose,valvesandfittings.

    f. CoolingMonitorBoard

    g. ExternalInterfaceBoard

    h. TransmitterPAmodule,splitter,combinerandrejectloadcoldplates

    Thecoolingsystemcomponentscombinetoproduceanefficientclosedloop,pressurizedsystem.Priortooperationthecoolingsystemmustbeproperlypreparedforoperationandbledtoremovetrappedair.InstructionsforcoolingsystempreparationcanbefoundinAppendixAofthismanual,intheHE2PumpModulemanual8882625002

    (externalpumps),

    Integrated

    Pump

    Module

    manual

    888

    2853

    001

    (internal

    pumps),

    and

    in

    the

    Heat

    Exchanger

    Manual8882852001.

    Theheatexchangerandpumpmoduleoperatesoneither208240VAC,50/60Hzor380415VAC50/60Hz.Theoperatingvoltagesandfrequenciesmustbeprovidedattimeoforder.

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    Figure 1-5 Simplified Liquid Cooling System Block Diagram

    1.2.4 ExternalPumpModule/HeatExchanger

    Theexternalpumpmoduleandheatexchangerareseparatemodularunits.Thepumpmoduleisselfcontainedinonerackandincludescontrolpanel,invertercontrollers,anexpansiontank,airpurger/vent,pressuregauges,pressurereliefvalve,strainer,anddualpumpsoperatinginmain/standbymode.Thepumpmoduleisdesignedforindooroperation.Thepumpmoduleandcontrolpanelshouldbelocatednearthetransmitterifpossible.Theheatexchangerassemblyisdesignedforoutdoormounting.

    LowerpowerULXTtransmittershavepumpmodulesintegratedintothetransmittercabinet.Thesetransmittersstillrequireaheatexchangerunit.

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    Figure 1-6 HEII External Pump Module

    Figure 1-7 Heat Exchanger-Horizontal Air Flow

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    Figure 1-8 Heat Exchanger-Vertical Air Flow

    NoteThe heat exchanger shown in Figure 1-7is configured for horizontal air f low. The two fans pull airthrough the cooling coil/fins (not visible in the photos) and exhaust it parallel with the ground.Figure 1-8shows a unit configured for vertical air f low. Air flows upward in the vertical air flow unit. HE heatexchangers can be mounted for either horizontal or vertical air flow depending on how the legs areattached to the heat exchanger.

    1.2.4.0.1 HeatExchangerFanControl

    Multicabinettransmitterswilltypicallyhaveoneheatexchangerandcontrolpanel/pumpmoduleperPAcabinet.Thefansarecontrolledelectronicallyandenabledwheneverthepumpmoduleisconnectedtothetransmitterwithpowerapplied.Fanspeedsarecontrolledbythepumpmoduleinvertercontrolsandwillincreaseautomaticallyas

    coolanttemperature

    increases.

    Cooling

    fans

    do

    not

    activate

    until

    the

    coolant

    temperature

    rises

    above

    30

    o

    C.

    1.2.4.0.2 PumpOperation/ControlLogic

    Pumpoperationiscontrolledwithtwoinvertercontrollers(oneperpump).Therearetwomodesofpumpoperation,"LOCAL"and"REMOTE".ThepumpmodulecommunicateswiththetransmitterviatheexternalinterfaceboardlocatedinthetransmitterPB1.Whenthepumpmoduleissetto "LOCAL"astatussignalissenttothetransmitterexternalinterfaceboardreportingthemodeselection.

    Iftransmitterissettoautomaticpumpswitchmode,lossofflowcausesactivationofthestandbypump.MinimumflowratesvarydependingonthenumberofPAmodulesandaregiveninSection2.13.1onpage214.

    Note

    Four pump switches in less than five minutes will cause both pumps to shut down and require operatorintervention to restart.

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    1.3 ULXTSpecifications

    Figure 1-9 ULXT Transmitter Specifications

    NoteSee the M2X Exciter manual 888-2888-001 for modulation specific information.

    SpeciicationsSpeciications and designs are subject to change without notice.

    General

    Frequency Range . . . . . . . . . . . . . . . 470 to 862 MHz, in 1 Hz steps

    Transmission Standards . . . . . . . . . ATSC, DVB-T, DVB-T2, ISDB-Tb,

    CTTB (DTMB)Channel Bandwidth . . . . . . . . . . . . . 6, 7 or 8 MHz (system ependent)

    Rated Power Output. . . . . . . . . . . . . See chart below

    Output Power Reduction Range . . 0 to -10 dB

    RF Load Impedance . . . . . . . . . . . . . 50 ohms

    VSWR . . . . . . . . . . . . . . . . . . . . . . . . . . Protected against open or short

    circuit, all phase angles. Capable

    o operation into ininite VSWR

    with user-adjustable old back

    threshold. Factory pre-set to

    2.8% o nominal nameplate

    power (VSWR = 1.4:1)

    RF Output Connector . . . . . . . . . . . . 1-5/8, 3-1/8 or 4-1/16 EIA

    (dependent upon power level)

    Transmitter Dimensions . . . . . . . . . . Call Harris Broadcast

    Transmitter Weight . . . . . . . . . . . . . . Call Harris Broadcast

    AC MainsAC Line Voltage . . . . . . . . . . . . . . . . . 3 phase: 380 to 415 V, or 208 to

    240 V, 50/60 Hz - speciy whenordering

    AC Line Variation . . . . . . . . . . . . . . . . 15%, between 208 to 230 V or

    380 to 400 V

    Power Factor . . . . . . . . . . . . . . . . . . . >0.95

    Environmental

    Altitude . . . . . . . . . . . . . . . . . . . . . . . . Up to 3,000 m (9,843 f)

    elevation above mean sea level

    Ambient Temperature . . . . . . . . . . . 0 to 45 C (32 to 113 F) at

    sea level (upper limit derated

    2 C (3.6 F) per 300 m (984 f)

    elevation AMSL)

    Humidity . . . . . . . . . . . . . . . . . . . . . . . 95%, non-condensing

    Cooling Method . . . . . . . . . . . . . . . . . Liquid-cooled, using 50/50 mix

    o ethylene or propylene glycol

    and water

    Acoustic Noise . . . . . . . . . . . . . . . . . .

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    Maxiva ULXT Series

    March 8, 2015

    Section-2 Installation 2

    2.1 IntroductionThissectionprovidesinformationneededforinstallationandinitialturnonofaMaxivaULXT transmitter.DuetothemodularnatureoftheMaxiva,allmodelshavesimilarinstallationandtestingprocedures.

    2.2 Documentation

    Hardcopydocumentationmaynotbesupplied,intheseinstancesthereferenceddocumentscanbedownloadedfromtheGatesAirCustomerPortal.Accesstheportalviawww.gatesair.comandselecttheCUSTOMERLOGINtab.

    Thetopleveldocumentpackagenumberforeachtransmittermodelis9882743001.

    Thetransmitterdocumentpackageincludes:

    1. 8882743001Thistechnicalmanual

    2. 9399363300DrawingPackage,ULXTTransmitterSystemLevel.

    3. 9399363301DrawingPackage,ULXTCabinetLevel(Schematics)MustbedownloadedfromGatesAirCustomerPortal

    Thepumpmoduledocumentationshippedwiththetransmitterwilldependontransmittermodel.Thefollowingareavailable:

    1. 8882625002TM,HE2PumpModule

    2. 8882853001TM,IntegratedPumpModule

    Excitertechnicalmanualsshipwiththetransmitter.Theexcitertechnicalmanualvarieswithmodulationtype:

    1. 8882888001TM,M2XHardware

    2.3 InstallationSequence

    Stepsininstallationsectionsarenumbered,aseachstepiscompleted,thestepnumbercanbecircledtoindicatecompletion.Thisprovidesaquickcheckattheendoftheproceduretoinsurethatnostepwasskipped.

    NoteIn case of discrepancy between connections listed in schematics versus information given in this manual,the wiring information in the schematics should be considered the most reliable. All connections listed inthis section should be verified with the schematics before initial turn on.

    Whenperformingtheinstallation,afterthetransmittercabinet(s)areinplace,plantorunthetransmitteroutputtransmissionlinesfirst,thentheliquidcoolingsystemplumbinglines,andfinallytheelectricalconduitruns.Ifair

    handling

    duct

    work

    is

    to

    be

    installed,

    plan

    all

    of

    the

    RF,

    plumbing

    and

    conduit

    runs

    to

    leave

    room

    for

    the

    duct

    work.

    Thereasonforthisinstallationorderisthatrigidcoaxrunsmustbeinstalledwithminimumelbows.IftheRFrunsencounterobstaclessuchasliquidcoolantlines,conduit,andductworkmoreelbowswillberequired.TheRFlinesshouldhaveaminimumnumberofelbowsforbestperformance.

    Heavydutyhosecanbeusedinsteadofrigidcopperline,hoseiseasiertoinstallandcanbeinstalledlast,aslongaslargeradiusturnsareusedandsharphosebendsareavoided.Hosemustbesupportedmorefrequentlythanrigidcopper.Goodsupportisrequiredtoavoidsagging,becauseitcantrapliquidwhenthesystemisdrained,stressthehoseatthesupportpoints,andifthesaggingissevere,causeflowrestrictionduetohosecollapseatthesupportpoints.Conduit(cable)traysofferthebestsupportforthecoolanthoseruns.

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    2.4 OperatingEnvironment

    Theselectionofaproperinstallationlocationisessentialforequipmentlongevityandreliability. Donotinstallthetransmitterinplaceswhereitmaybeexposedtomechanicalshocks,excessivevibration,dust,water,saltyair,oracidicgas.

    Ambienttemperatureandrelativehumidityshouldalwaysrangebetweenthefollowinglimitsatthecabinet

    installation

    location: Ambienttemperature: 0to+45oC.Derate2degreesCper300mAMSL. Relativehumidity: 0to95%noncondensing

    NoteFailure to follow these installation instructions may void the warranty.

    2.5 TransmitterCabinetPlacement

    Thetransmittercabinetshouldbeplacedwhereitwillhaveapproximately1meterclearanceoneachsideandinthe

    back.

    The

    front

    of

    the

    transmitter

    should

    have

    a

    clearance

    of

    at

    least

    1.5

    meters

    to

    allow

    access

    for

    removal

    and

    installationofthePAmodules. Ensurealllocalbuildingandelectricalcodesarefollowed.

    Thereareseveraldrawingsincludedinthedrawingpackagetohelpplanthecabinetplacement:

    OutlineDrawing RFEquipmentLayout LiquidCoolingSystemLayout

    Warning

    ALWAYS WORK WITH TWO PEOPLE AS CABINETS ARE HEAVY AND CAN TIP

    OVER.

    STEP

    1 Remove

    the

    bolts

    or

    straps

    that

    hold

    the

    transmitter

    to

    wooden

    pallet

    and

    carefully

    slidethecabinetoffthepallet.

    STEP2 Removereardoorandsetasideinasafeplacefortherestoftheinstallationprocess.

    MULTICABINETMODELS:

    STEP3 Placecabinetsinpositionandcarefullyalign.SeeAppendixAofthismanual.

    ALLMODELS:

    STEP4 Uselevellingshimsundertransmittercabinetasrequiredtomakesurethetransmitterislevelandsolid(notrocking).

    STEP5 Ifrequiredbycode,anchorthecabinetstothefloor. Thereareholesinthebottomofthecabinetforthispurpose.

    STEP6 Installdriptray.Thealuminumdriptrayslidesunderthetransmitterjustbelowthereardooropening.Thedriptrayrestsonthefloorandiscenteredunderneaththerearof

    theMaxiva

    ULXT

    transmitter.

    It

    should

    be

    checked

    periodically

    for

    presence

    of

    coolant

    whichmayhaveleakedfromthetransmitter.

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    2.6 RFSystemInstallation

    TheULXTRFoutputconnectorsize dependsonthemodel(poweroutput).EachpowerblockRFoutputhasa31/8"EIAunflangedconnection. AlltransmittermodelshaveaRFoutputimpedanceof50ohmsunbalanced.Incaseswheretherearemultiplepowerblockscombinersmaybemountedtothetopofthecabinet,thesizeofthetransmissionlinewillbedependantonthetotalRFpoweroutput.SeeSection1ofthismanualforlinesizeinformation.

    Therearetwomajorfactorsinselectingthecorrecttransmissionlinefortheapplication,linelossandlinepowerhandlingcapability. Airdielectriclinestendtobemoreefficientbutrequirepressurization. Foamdielectriclinestendtobelessefficient(moreloss).

    Whenconsideringthepowerhandlingcapabilityoftheline,considerpeakvoltagesnotjustthepowerofthetransmitter. Environmentalconditionssuchashighheatmaylowerthepowerratingsoftheline.

    Allairdielectrictransmissionlinesshouldbepressurizedtomanufacturerrecommendations.

    Consultmanufacturertodeterminebestproductforeachsystem.

    RefertotheRFSystemLayoutdrawingsandinstallationnotes.Largecombiniingsystemsmayhaveadditionaldocumentationprovidedbythemanufacturer.

    BeforebeginningRFSysteminstallationthefollowingdocumentsshouldbereadilyavailable:

    AppendixAofthismanual;CuttingandSolderingTransmissionLine

    RFSystemLayoutprovidedbymanufacturerorGatesAir

    NoteBefore RF System is connected to the transmitter output, the RF system should be checked for low VSWRat the transmitter operational channel, the filter in the system should be swept and plotted with the correctmarkers for the modulation type. Filter insertion loss should measured and verified to meet GatesAirspecifications. This information will be used in the "proof of performance" to show the system complieswith the spectrum mask

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    001

    2.7 ULXTSystemDocumentation

    InstallationprocedureswillrelyheavilyondocumentationthatshipswiththeequipmentandisavailableviainternetontheGatesAircustomerportal.

    Table21

    TechnicalManuals

    DrawingNumber Description

    8882743001 ULXTtechnicalmanual(seeAppendixBforcoolinginformation)

    8882625002 PumpModuletechnicalmanual(external)

    8882853001 PumpModuletechnicalmanual(integrated)

    8882852001 HeatExchangertechnicalmanual.

    Table22 SystemInstallationDrawings9399363300

    DrawingNumber Description

    8435617101 WIRINGDIAGRAM,XTLIQUIDCOOLED

    8435617112 WIRINGDIAGRAM,2PAULXT

    8435617113 WIRINGDIAGRAM,4PAULXT

    8435617114 WIRINGDIAGRAM,6PAULXT

    8435617115 WIRINGDIAGRAM,8PAULXT

    8435617116 10PAWIRINGDIAGRAM

    8300000100 DIVIDER,SECTION 100

    8399363311 OUTLINEDRAWING,ULXTRANSMITTERSINGLEPWRBLK

    SECTION 100

    8435617369 OUTLINEDWG,ULXTCABCONFIG'S

    8399363314 WIRDIAG,SYSTEM,ULXTTRANSMITTERSINGLEPWRBLK

    8399363313 LAYOUT,TYPICALRFSYSTEM,ULXTTRANSMITTERSINGLEPWRBLK

    8399363310 BLOCKDIAGRAM,RFFLOW,ULXTTRANSMITTERSINGLEPWRBLK

    8399363312 ACPOWERFLOW,ULXTTRANSMITTERSINGLEPWRBLK

    8399363315 INSTALLATIONDWG,ULXTTRANSMITTERSINGLERACKCABINETHEINTEGRATE

    PUMPSYSTEM

    SECTION 200

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    8399363325 WIRDIAG,SYST,ULXTMULTIPLEPOWERBLOCKS

    8399363320 BLOCKDIAGRAM,RFFLOWULXTTRANSMITTERMULTIPLEPOWERBLOCK

    CONFIGURATION(ULXT10,20,30,40,50,60)

    8399363321 ACPOWERFLOW,ULXTTRANSMITTERSYSTEM,EXTERNALPUMPMODULE

    8399363324 WIRDIAG,SYSTEM,ULXTTRANSMITTER2PWRBLK

    SECTION 300

    8399363316 WIRINGDIAGRAM,INTEGRATEDPUMPMODULE,ULXTTRANSMITTER

    8435607530 W.DIAG+OUTLINE,HE2PUMPMODULE

    8435617432 LAYOUT,TYPICALPLUMBINGULXTTRANSMITTERWITHEXTERNALPUMP

    8435617766 LAYOUT,TYPPLUMBNGMULTIRACKULXT

    Table22 SystemInstallationDrawings9399363300

    DrawingNumber Description

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    2.8 CoolingSystemInstallation

    Referringtothedocumentationabovefollowthesestepsinordertosuccessfullycompletetheliquidcoolingsysteminstallation:

    Warning

    DO NOT ALLOW THE WATER TO FLOW THROUGH THE TRANSMITTER, TEST AND

    REJECT LOADS OR ANY LIQUID COOLED FILTERS UNTIL THE SYSTEM HAS BEEN

    THOROUGHLY FLUSHED AND FILLED WITH 50/50 SOLUTION OF GLYCOL AND

    DISTILLED OR DEIONIZED WATER..

    Warning

    THE SYSTEM COOLANT PLUMBING LENGTH MUST NOT EXCEED 40 METERS (131

    FEET) TOTAL LENGTH INCLUDING SUPPLY AND RETURN LINES. VERTICALLY A

    MAXIMUM DIFFERENCE OF 8 METERS (26 FEET) BETWEEN THE PUMP MODULE/

    HEAT EXCHANGER AND THE THE TRANSMITTER IS ALLOWABLE. CONTACT

    GATESAIR SERVICE FOR MORE INFORMATION.

    NoteBefore starting the cooling system installation be sure the transmitter cabinets are placed in their finallocation and the RF System has been fully installed.

    STEP1 ReferringtoSection2Installation/InitialTurnonofHeatExchangermanual,completetheriggingandplacementsections

    STEP2 ReferringtoSection2Installation/InitialTurnonoftheHE2PumpModulemanual,completetheoperatingenvironmentandplacementsections.

    STEP3 Plumbinginstallation. Usingdocumentationoutlinedabove,installtheliquidcoolingsystem.

    STEP4 Atthistimedonotconnecttheliquidcooledtestorrejectloads. Useashortlengthof

    hoseto

    bypass

    each

    of

    them

    until

    the

    system

    is

    thoroughly

    flushed.

    STEP5 Bypassthetransmittercabinets.

    STEP6 CompletetheelectricalinstallationACMainsandcontroltothepumpmoduleandheatexchanger.Thiswillberequiredbeforethesystemcanbecharged.

    STEP7 Chargethesystemusingclean,pure,wateronly.Distilledwaterispreferredbutcitytapwatercanbeusedbutitmustbecleanpotablewater.DONOTUSEWELLWATERasitmaycontainmineralsthatcouldcauseproblems.ThisprocedurecanbefoundintheHE2PumpModuletechnicalmanualSection2.

    STEP8 Systemsthatareexcessivelydirtyoruserigidcopperlinemayrequireuseofacleaningsolution.Useacupofnonsudsingcleaningsolutionmixedinto2gallonsofwaterinacleanbucket.Drainthesystemandthenchargethesystemwiththecleaningsolutionandcleanwater. Turnonthepumpandflushthesystemfor30minutesoneachpump.

    STEP9 Drainthesystemcompletely.Rechargethesystemusingdistilledwateronly.Flushfor30

    minutes

    on

    each

    pump,

    this

    is

    to

    ensure

    all

    of

    the

    cleaning

    solution

    is

    removed

    from

    thesystem.

    STEP10 Whenthedistilledwaterflushiscompletedrainthesystemcompletelyandinspectthewaterasitdrains.Itshouldbecleanandfreeofdebris.Ifdrainedwaterisnotclean,asecond,andpossiblyathird,cleanwaterflushmaybenecessary.Drainthesystem.

    STEP11 Connectallthetestandrejectloadsatthistime.Openthetransmitterbypassvalves.

    STEP12 Fillthesystemwith50/50glycol/distilledordeionizedwatersolution(asmeasuredwithahydrometerorrefractometer).Afterfillingthesystemtoastaticpressureof10psi,opentheautomaticairventinthepumpmoduleandinthecoolingsystem

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    plumbing,then runthesystemfor30minuteswhilemonitoringthecoolantlevel.Shouldthereturnpressurefallbelow5psiaddadditional50/50glycolanddistilled/deionizedwatersolutiontokeepthesystemattheproperpressure.

    Finalcoolingsystemsetupwillbecompletedlaterintheinstallationofthetransmitter.FlowratesandpumpcontrolshouldbeconfirmedwithallPAmodules,filters,andtestloadsinstalled.

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    Figure 2-1 AC Mains 3-Phase Wye (shown) Connections

    Caution

    BE CERTAIN THAT THE INSULATION ON EACH AC SUPPLY CABLE HAS

    BEEN SUFFICIENTLY CUT BACK TO ALLOW FULL CONTACT BETWEEN THE

    CONNECTOR BLOCK AND THE COPPER CABLE. FAILURE TO REMOVE THE

    INSULATION MAY RESULT IN HEATING AND FAILURE OF THE

    CONNECTION.

    STEP6 Repeatthesestepsforeachpowerblock.

    STEP7 Leave

    panel

    off

    of

    the

    AC

    Distribution

    box

    on

    rear

    of

    one

    power

    block

    so

    the

    AC

    voltagescanbeverifiedbeforeproceedingwithRFturnonprocedure.

    STEP8 BeforeInstallingPAandpowersupplymodules,turntheACMainsonatthebreakerpanelandverifythecorrectvoltagefromLinetoLine(Delta)orLinetoNeutral(WYE).

    STEP9 TurnACMainsOFFandreinstalltheACDistributionpanelscoversonalpowerblocks.

    NoteL-L(Delta) or L-N(Wye) voltage mus be in the range of 200-264 VAC and there must be less than a 15%imbalance between any one phase and the average of all three phases to allow the transmitter to operate

    ACInputWiresfromBreaker

    Pullthroughconduitfrom

    topofthecabinet

    GroundConnection

    NeutralConnection

    Line13Connections

    (WyeOnly)

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    2.10 SignalandGroundConnections

    NoteControl and signal wires should never be run in the same conduit with any AC wiring. A separate conduitshould be used for control/signal cables.

    Itmay

    be

    necessary

    to

    refer

    to

    the

    technical

    manual

    for

    input

    levels

    and

    impedances

    for

    proper

    operation

    of

    the

    auxiliaryequipment.

    TheInstallationdrawingpackage9399363300shouldbereadilyavailableforreference.

    STEP1 Connectthevideo/audio(analog)ortransportstream(digital)andreferenceinputstothetheirproperlocationontheexciter(s).ThedigitalTSinputconnectorsaretypeBNC,female.TSinputconnectorimpedancesare75ohms.Belden8281orsimilarhighqualityshieldedvideocablecanbeusedtodeliverthissignaltothetransmitteroveradistanceofupto1000feet.

    NoteFor some modulation types, the ASI stream, or a test signal, is required for the exciter to un-mute.

    Figure 2-2 M2X Rear Panel (no option board installed)

    STEP2 IftheexciterisutilizingtheGPSoption,placetheantennaandconnectthecablefromtheantennatotheexciterGPSinputontherearpanel.Fordualexcitersasecond

    antennaor

    asplitter

    will

    be

    required.

    STEP3 IftheexciterisutilizingtheEXTREFInput10MHzor1PPS,connectBNCcabletotheproperconnectorontherearoftheM2X.ThismayrequiresetupintheGUI,refertoSection3ofthismanualfordetailsonhowtoconnectandlogintothetransmitterEthernetport.

    STEP4 ConstructanRFsamplecablefortheboththeprefilter(nonlinear,Ifnotprovidedbyfactory)andPostFilter(linear)RTACfromtheoutputofthemaskfiltertotheRTACSplitterpanelinsideoftransmittercabinet(cabinet1onmulticabinetsystems).Donotconnectthecableonthesplitterend,thiswillhavetobepaddedfortheproperlevelintotheexciteroncethetransmitterisrunningatfullpower.RFcableandconnectorsareprovidedintheinstallationkitthatcamewiththetransmitter.

    STEP5 Constructandconnectthepumpcontrolcable(s).Thiswillbeinstalledfromtherearofpowerblock1J2coolinginterface.SeeFigure23.

    NoteIf two transmitters are controlling one pump module, a cable from each transmitter to the pump module isrequired.

    OptionBoardSlot

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    Figure 2-3 External I/O Boards A & B with Daughter Card #1 (dual drive system, cables removed)

    STEP6 Connectagroundstrapfromeachcabinetsgroundbussbartostationground.ThecabinetgroundbusbarisshowninFigure24.Arollofcopperstraptypicallyshipswiththetransmitter.Rollthisstrapoutandattachoneendtothecabinetgroundbussbarandtheotherendtostationground.Theconnectiontothestationgroundshouldbesoldered.Ifanyadditionalcopper

    strapis

    required,

    it

    should

    be

    at

    least

    5cm

    wide

    and

    0.5mm

    thick.

    Figure 2-4 Cabinet Ground Bus Bar (cabinet sides removed)

    ExternalI/O B

    ExternalI/O A

    DaughterBoard#1 A

    DaughterBoard

    #1 B

    CopperCabinet

    GroundBusBar

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    2.11 SystemandIntercabinetConnections

    Formulticabinettransmittermodels,theintercabinet connectionswillneedtobeinstallednext.SeeSystemWiringDiagramsforreference.

    Figure 2-5 External Interface & PB Daughter Board Configurationss

    NoteRefer to Wiring Diagrams 839-9363-314 (single PB systems) and 839-9363-323 (two PB systems) forinformation regarding ULXT component interconnections.

    DB #1

    Ext. Interface

    PB #1

    DB #1

    Ext. Interface

    A

    B

    Single PB Dual Drive Systems

    DB #1

    Ext. Interface

    PB #1

    DB #2

    Ext. Interface

    A

    B

    DB #1

    Ext. Interface

    PB #2

    Two PB Systems

    ADB #1

    Ext. Interface

    PB #1

    A

    Single PB Single Drive Systems

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    2.12 InstallPS(PowerSupply)Modules

    STEP1 RemoveACfromthetransmitter.

    STEP2 PriortoinsertingPSmodulesremoveallpackingsurroundingtheconnectorsinsidethecabinetandonthePSmodules.VisuallyinspectthePSconnectorsinsidethecabinetandonthemodulebacktobesuretheyareundamagedandfreeofdebrisofanykind.

    Figure 2-6 PA & IPA (driver) slot locations

    STEP3 BesurethatallPAmodulesarefullyseatedandtightenthemoduleholddownscrewswitha#2phillipsscrewdriver.

    Caution

    IF MODULES DO NOT SEAT WITH MODERATE PRESSURE REMOVE THE

    MODULE AND CHECK FOR INTERFERENCE. DO NOT FORCE MODULESINTO THE RACK AS THIS MAY CAUSE DAMAGE TO THE CONNECTORS ON

    THE BACK OF THE MODULE OR IN THE RACK.

    Warning

    THE MAXIVA PA MODULES ARE DESIGNED TO HANDLE VERY HIGH TEMPERA-

    TURES AND MAY BE EXTREMELY HOT, UP TO 32OC (90OF) ABOVE ROOM TEM-

    PERATURE. DO NOT TOUCH THE MODULES WITH BARE HANDS AFTER THE

    TRANSMITTER HAS BEEN RUNNING. SPECIAL GLOVES CAN BE PURCHASED,

    PART #0990006483 OR GRAINGER ITEM #4JF36.

    STEP4 InstallallPSmodules.PSmodulesareinterchangeableandcanbeplacedinanyPSslot.BecertainthePSmodulesarefullseated.

    STEP5 Endofprocedure.

    IPAA

    IPAB(optional)

    PA1

    PA2

    PA3

    PA4

    PA5

    PA6

    PA7

    PA8

    PA9

    PA10

    PA1

    PA2

    PA3

    PA4

    PA5

    PA6

    PA7

    PA8

    PA9

    PA10

    PA1

    PA2

    PA3

    PA4

    PA5

    PA6

    PA7

    PA8

    PA9

    PA10

    PS1

    PS2

    PS3

    PS4

    PS5

    PS6

    PS7

    PS8

    PS9

    PS10

    PSIPA(optional)

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    2.13 FinalCoolingSystemSetup

    Readandunderstandtheentireinitialturnonprocedurebeforestarting.LCDmenusandGUIscreensaredescribedinSection3Operationofthismanual.

    STEP1 TurnonACmainstothetransmittercabinet(s)butleaveACpowertotheexcitersOFF.AtthistimewedonotwanttoproduceRFPower,justturnthepumpon.

    STEP2 Connect

    acomputer

    with

    web

    browser

    to

    the

    WAN

    connection

    of

    the

    transmitter

    externalinterfaceboardthatisinpowerblock1(powerblockwithLCD).See"3.8.1GUILogin"onpage327fordetailedconnectionandlogininformation.

    STEP3 Verifyalldrain,ventandbypassvalvesareclosedandmakesurecoolantvalvesareopenbeforeproceeding.

    STEP4 Verifythatthecoolingsystemstaticpressureis1015psigwithpumpsoff.

    NoteAir may be introduced into the cooling system as each PA module is installed. The cooling system willlikely need to be recharged after modules are installed. The site glass should be checked for fluid level andfor air bubbles prior to turning on the transmitter RF. Low coolant level or bubbles in the sight glass indi-cate that the cooling system needs to be recharged.

    2.13.1 SettingtheTransmitterFlowRate

    ThecoolantflowrateisdeterminedbytheHE2pumpmodule(orinternalpumps)inverter/controllerfrequency.FlowratemustbesetwithallIPAandPAmodulesinstalledinallpowerblocks.

    TherecommendedflowratevarieswiththenumberofPAmodulesandislistedbelow.RefertotheHE2pumpmodulemanual8882625002Section3 Operation(orinternalpumpmodulemanual8882853001Section3)forinstructionsonsettinguptheinverter/controllers toproducethedesiredtransmitterflowrate.Whensettingthelowerlimitsettinginthepumpmoduleinverter,ensurethesetpointisslightlyabovetheminimumflowrateinordertopreventfrequentfaultsandpumpswitches.

    NoteIf the pump is unable to deliver the required flow rate, check for correct wiring of the 3 AC phases. Incor-rect wiring of the 3-phase sequence would allow the pumps to operate but with much degraded perfor-mance.

    STEP1 NavigatetotheGUICoolingscreen.SetthepumpAuto/ManualtoManualmode.

    Table23

    TransmitterCoolant

    Flow

    QuantityofPA

    Modules

    MinimumCoolantFlow

    RateTripPointGPM/LPM

    RecommendedCoolant

    FlowRateGPM/LPM

    MaximumCoolantFlow

    RateTripPointGPM/LPM

    2 2.3/8.7 2.8/10.6 4.0/15.1

    3 2.9/11.0 3.5/13.2 5.0/18.9

    4 3.5/13.2 4.3/16.3 6.0/22.7

    5 4.1/15.5 5.0/18.9 7.0/26.5

    6 4.7/17.8 5.7/21.6 8.0/30.3

    7 5.3/20.1 6.4/24.2 9.0/34.1

    8 5.8/22.0 7.1/26.9 10.0/37.9

    9 6.4/24.2 7.8/29.5 11.0/41.610 7/26.5 8.5/32.2 12.0/45.4

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    STEP2 FromthefrontpaneloftheULXTturnthetransmitterON. Theactivepumpshouldstartrunning.

    STEP3 RefertotheHE2pumpmodulemanualSection3.1.1and

    2.13.2 ConfirmationofAutoPumpSwitching

    Oncetheinverter/controllerLL(lowlevel)issettheoperationofthetransmitterflowsensorcanbeconfirmedbythefollowing:

    STEP1 SetHE2pumpmoduletoRemote.

    STEP2 UseSystempageGUItoselectAutopumpcontrolmode.Thisactivatesautomaticpumpswitching.

    STEP3 Turntransmitteron.

    STEP4 Reducetheflowratethroughthecabinetbyslowlyclosingthecabinetcoolantinletvalve.Whentheflowratethroughthecabinetfallsbelowthetrippointtheflowwarningshouldactivateandthesystemshouldswitchtotheotherpump.

    STEP5 Gobacktothenominalflowraterecommendedforthecabinetbyslowlyopeningthecabinetinletvalve.Thewarningshouldgoaway.

    2.13.3 HeatExchangerFanControl

    Fanoperationiscontrolledbythefaninverter/controllers. Thecontrollersautomaticallychangethefanspeedbasedontemperaturesensedintheheatexchangersupplyline.Thefansturnatalowspeedwhenthecoolanttemperatureis>30degreesC.andpowerisappliedtothetransmitterandpumpmodule.Thefaninverter/controllershavebeenprogrammedatthefactorysonosetupisrequired.

    NoteIf fan activation is needed to check fan rotation but the transmitter is not available, the fan inverter/con-trollers must be set up for manual control to allow fan activation. This is accomplished by following theprocedure outlined in the HE2 pump module technical manual 888-2625-002 Section 3.

    2.14 RFInitialTurnOn

    Caution

    THE TRANSMITTER SHOULD BE INITIALLY POWERED INTO THE TEST

    LOAD.

    STEP1 TurnonACmainsonatthewallbreakersforthetransmitter,exciterandcoolingsystem(pumpandheatexchanger).CheckAClinevoltagesPhasetoPhase(Delta)orPhasetoNeutral(Wye)toverifytheyarecorrect. ReinstalltheACDistributionboxlid.

    STEP2 Set

    the

    transmitter

    Remote

    to

    Disable

    STEP3 ConnectcomputertofrontEthernetportoftheULXTandlogintoGUI.ForconnectionandlogininformationseeSection3.xofthismanual.

    STEP4 SettheEthernetparametersinthetransmitterandtheexciter.

    STEP5 Turndownthetransmitteroutputpowerlevelpriortoinitialstartup.HolddowntheLOWERbuttononthetransmitterfrontpanel.ThisassuresthatthetransmitterwillinitiallycomeonatalowRFoutputlevel.

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    NoteTo set the power out to 0 W, press and hold the Power button under the LCD display then press the Lowerbutton to the right of the LCD, then release both buttons at the same time. This will set the Power ControlReference to 0. When raising power back up, press and hold the Raise button until the RF power is indi-cated on external meter. This may take a few seconds.

    STEP

    6 Press

    the

    transmitter

    ON

    button.

    Press

    and

    hold

    the

    Raise

    button

    until

    the

    RF

    power

    on

    theexternalwattmeterindicates25%ofTPO.

    STEP7 VerifythatthecabinetreflectedpowerlevelsdisplayedontheOutputscreenarelow,4%)isindicativeofadefectivetransmissionlineconnection,testloadorotherproblem.Stopincreasingpowerandbegintroubleshootingifreflectedlevelsarehigh.

    STEP9 Adjustcabinetphaseandgain(inmulticabinetsystems)toreducepowerintothecabinetcombinerrejectloads.IntercabinetphasingisaccomplishedviatheGUI(navigatetotheHome>Output>Phasescreen)toadjustthepreamplifiermodulephasingineachcabinetrelativetotheothercabinetstoreducepowertocommonrejectloads.PhaseandGainsetupprocedureisinSection5.Xofthismanual.

    STEP10 Verify

    that

    the

    transmitter

    meter

    readings

    are

    close

    to

    the

    factory

    test

    data

    meter

    readings,especiallyallofthePAcurrentandvoltagereadings.

    STEP11 IftheprefilterTPOrequiredisdifferentthanwhatthetransmitterwascalibratedatduringfactorytest,performtheSystemForwardPowerCalibrationprocedureinSection5.Xofthismanual.

    STEP12 Letthetransmitterrunforanhour,checkalltheexternalcombiners,filtersandtransmissionlineforlocalizedheating.

    STEP13 SetuptransmitternetworkparametersandIPaddresses.ThesearefactorysettoDHCPandallzero's. ThetransmitterIPaddresscanbesetbynavigatingtotheHome>System>SystemSetup>Networkscreen(seeFigure339onpage352).TheexciterIPaddresscanbeenteredbynavigatingtothe Home>System>System Setup>System Config>ExciterConfigscreen(seeFigure338onpage351).

    STEP14 RefertotheExcitermanualandsetuptheRTAClevelforboththePreandPostfilter

    sample.

    Thismust

    be

    measured

    at

    the

    exciter

    RTAC

    input

    on

    both

    exciters.

    (if

    two

    are

    present).

    STEP15 RefertotheExcitermanualandsetuptheRTACcorrectionbothexciters.Beforeproceedingwiththeinstallation,thetransmittershouldbemeetingtheemissionsmaskforthemodulationtypeandtheMERandSignalto noiseratioshouldbemeetingpublishedspecification.

    STEP16 InthetransmitterGUISystemSetupscreen,settheVSWRFoldback(Range1.3to1.5:1),FwdPwrWarningandFaultthresholds.

    STEP17 SetupParallelremotecontrol,seeSection2.15belowfordetailedconnectioninformation.

    2.15 ExternalI/O

    Board

    TheSystemUserRemoteI/OJ3islocatedontherearofthepowerblock1ExternalInterfaceBoard.SeeFigure29below.Theconnectorisadsub25pinfemale,thematingconnectorisprovidedintheinstallationkitthatcamewiththetransmitter.

    Theinterfacecontainscommandinputs,statusoutputsandmeteroutputs.Figure27showsasimplifiedschematicoftheCommandInputsandFigure28showsasimplifiedschematicoftheStatusOutputs.

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    Figure 2-7 ULXT Command Inputs

    Figure 2-8 ULXT Status Outputs

    Figure 2-9 External I/O Board User Interface

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    Table24 UserRemoteJ3PinAssignments

    PlugPin Signal Explanation

    Command

    J31 TX

    ON

    Command Momentary

    ground

    turns

    transmitter

    RF

    on;

    requires

    remote

    to

    be

    enabled.

    J32 TXOFFCommand

    MomentarygroundturnstransmitterRFoff;RequiresRemotetobeenabled,

    howeverthiscommandcanbeenabledregardlessoftheremoteEnable/

    Disablestatusonfrontpaneloftransmitterbyswitchingexternalinterface

    boardS15toon.

    J33 POWERRAISE

    Command

    MomentarygroundraisestransmitterRFPower;RequiresRemotetobeenabled.

    J34 POWERLOWER

    Command

    MomentarygroundlowerstransmitterRFPower;RequiresRemotetobeenabled.

    J35 DRIVECHAINASELECT

    Command

    MomentarygroundswitchesDrivechaintoAside(DriveChainAisExciterAand

    IPAA);RequiresRemotetobeenabled.

    J36 DRIVECHAINBSELECT

    Command

    MomentarygroundswitchesDrivechaintoBside(DriveChainBisExciterBand

    IPAB);RequiresRemotetobeenabled.

    J37 RFMUTECommand ContinuousgroundrequiredfortransmittertoMute;commandcanbedisabled

    byswitchingExternalInterfaceBoardS11toON.Shipsdisabledfromfactory.

    J38 UPS/LOWPOWER

    MODECommand

    ContinuousgroundrequiredfortransmittertogotoLOWPOWERMODE;activeregardlessofRemoteenable/disablestate.LowpowermodecanbeusedtoreducethetransmitterRFpowerautomaticallytoaresetlevelwhenthispinisasserted.Forexampleitcanbeusedwhenswitchingtobackupgeneratorthatisunabletorunthetransmitteratfullpower.

    J39EQUIPMENT

    INTERLOCK

    Command

    Continuousgroundoropencircuitrequiredfortransmittertooperate;activeregardlessofRemoteenable/disablestate;Thisinputcanbeactivehigh(continuousopencircuit)withExternalInterfaceBoardswitchS17OFFor

    active

    low

    (continuous

    ground)

    with

    External

    Interface

    Board

    switch

    S1

    7

    ON.

    Doesnot

    fault

    off

    system,

    transmitter

    will

    operate

    as

    soon

    as

    interlock

    is

    in

    OK

    state.

    J324 INTERLOCKSOURCE

    SafetyinterlockclosedcircuittoJ325willallowtransmittertooperate;opencircuittoJ325willfaultsystemoffandwillrequiremanualTXONcommandtoreturntooperation(J324toJ325mustbeclosed);activeregardlessofRemoteenable/disablestate.

    J325 INTERLOCKRETURN GroundonExternalInterfaceBoard

    UserRemote,Status,&Meter

    J310 SYSTEMONStatus LowindicatesSystemisON;openindicatesSystemisOFF.

    J3 11 DRIVECHAINB

    Status

    LowindicatesDriveChainBactive;openindicatesDriveChainAactive.

    J3 12 SUMMARYFAULT

    STATUS

    Lowindicatestransmitterhasnofaults;openindicatestransmitterhasoneor

    moreactivefaults.

    J3 13 OUTPUTSUMMARY

    Status

    LowindicatestransmitterRFOutputnormal;openindicatestransmitterRFpowerhasdroppedbelowfaultthresholdsetinthetransmitteroutputGUIscreen(SeeSection3ofthismanual).

    J314 POWERAMP

    SUMMARYStatus

    LowindicatestransmitterRFamplifiersarealloperatinginnormalcondition;openindicatesoneormoreamplifiersarefaulted.

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    J31518 PROGFAULT14Status Thesestatusoutputsareprogrammablefromdropdownboxintransmitter

    GUI,severalselectionsareavailable,seeSection3ofthismanual.

    J3

    19

    FORWARDPOWER

    Meter

    DCVoltageproportionaltotheforwardRFpoweroutput;4VDC=100%(100%

    ispower

    transmitter

    was

    calibrated

    to).

    J320REFLECTEDPOWER

    Meter

    DCVoltageproportionaltothereflectedRF;4VDC=1.5:1(1.5:1isbasedonforwardpowertransmitterwascalibratedto).

    J321 PAVOLTAGEMeter DCvoltageproportionaltothepowersupplyvoltagesetintransmitterSETUP

    menu;4VDC=52VDC;PowerSupplysetrangeis44to52VDC

    J322 PACURRENTMeterDCvoltageproportionaltothepowersupplytotalDCCurrentdrawnfromallpowersuppliesinthetransmitter;4VDC=100%;Scaledformodeloftransmitter(numberofpowersupplies)

    J323 GROUND

    Table24 UserRemoteJ3PinAssignments

    PlugPin Signal Explanation

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    MaxivatmULXT

    March 8, 2015

    Section-3 Operation 3

    3.1 IntroductionThissectioncontainsnormaldaytodayoperationalproceduresandinformationpertainingtothefunctionoftheMaxivatmULXTTransmitters.Theinformationcontainedinthissectionassumesthetransmitterhasbeeninstalledcorrectlyandisinproperworkingorder.SeeSection2ofthismanualforinstallationandinitialturnonsteps.Itisimportantthattheoperatorbeawareofnormaltransmitteroperationandperformanceandnoteanychangesorfaultindications.Changesinoperationmayindicateaneedformaintenanceorcorrectiveactionbeforeamoreseriousproblemdevelops.RefertotheFactoryTestData(FTD)whichincludesmeterreadings,measuredperformancedata,informationanddatameasuredwithexternalequipment,andadjustmentsspecificallyforeachtransmitters operatingfrequencyandpowerlevel.

    3.2 Controls and Indicators

    Thefollowingsectionidentifiesthelocationandfunctionofallfrontoftransmittercontrolsandindicatorsfor

    operationof

    the

    ULXT

    Transmitters.

    Figure 3-1 Front Panel Controls and Indicators

    NoteIP address shown in the LCD is the rear Ethernet port.

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    prior

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    servicing. 888

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    3.2.1 Front Panel Controls and Indicators

    Table describesthefunctionsofthefrontpanelcontrolbuttonsaswellaswhateachLEDrepresents.Moredetailedinformationcanbefoundlaterinthissection.

    Table 3-1

    3.2.2 ON/OFF Operation

    ToturnthetransmitterONfromthefrontpanelpresstheGreenONbutton.Thefollowingshouldoccur:

    GreenONbuttonLEDshouldilluminate Powersupplyinternalfansturnon Fansonreardoorofeachpowerblockshouldturnon Excitershouldunmute RFshouldrampupfrom0wattstoTPOToturnthetransmitterOFFfromthefrontpanelpresstheRedOFFbutton.Thefollowingshouldoccur:

    Red

    OFF

    button

    LED

    should

    illuminate Powersupplyfansturnoff Fansonreardoorofeachpowerblockshouldturnoff Excitershouldmute RFshouldrampdownfromTPOto0watts

    Front Panel Control ButtonsButton Explanation

    STATUS DisplaystheStatusMenuincludingtheEventLogandmeterreadings

    POWER Displaysmodel,forward/reflectedpowerlevelsandsystemvoltageandcurrent

    readings

    SETUP DisplaysthesetupmenusontheLCD,includesconfigurationandcalibrationof

    thetransmitter

    UP/DOWN/LEFT/RIGHT

    UsedforLCDmenunavigation.Theupanddownbuttonsareusedtomovethe

    arrowcursor,whichindicatesthemenulinethatwillbeactivatedbypressingthe

    blackenterbutton.Theleftbuttonisprimarilyusedasabackbuttontoreturnto

    apreviousmenuselection

    ENTER This

    is

    the

    black

    button

    in

    the

    center

    of

    the

    UP/DOWN/LEFT/RIGHT

    buttons.

    Used

    toselect(highlight)orexpandLCDmenuitems

    REMOTEENABLE AllowsremotecontroloftheULXT(IP,SNMPandParallelI/O);DisablesLocal

    controlincludingfrontEthernetportandLCDcontrol/config

    REMOTEDISABLE DisablesremotecontroloftheULXT(IP,SNMPandParallelI/O);EnablesLocal

    ControlincludingfrontEthernetportandLCDcontrol/config

    POWERRAISE RaisestheRFpoweroutput

    POWERLOWER LowerstheRFpoweroutput

    ON TurnsTransmitterRFON

    OFF TurnsTransmitterRFOFF

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    3.2.3 Power Raise/Lower Procedure

    Toraiseorlowerpower,pressandholdtheRAISEorLOWERbuttonuntilthedesiredpowerlevelisreached.

    NoteSmall time delay: When pressing the RAISE or LOWER buttons, a small delay occurs before the transmit-

    ter power actually changes. The same is true when releasing the RAISE or LOWER button. The outputpower will continue to change momentarily upon release. This is normal. The control circuits are scan-ning all of the critical functions and parameters of the transmitter to protect it from an overload. This cre-ates the slight delay. When setting the power out to a very specific level, release the buttons before thedesired power level is reached. Then give short momentary presses to nudge the power to the exact leveldesired.

    3.2.4 Remote Enable/Disable Buttons

    PressingtheRemoteEnablebuttonallowsthetransmittertobecontrolledbyacustomerprovidedremotecontrolsystemfromoffsite.WhenusingtheGUIorSNMPviaRearEthernetport,nochangescanbemadeunlesstheRemoteisENABLED.

    ThefrontpanelEthernetportandLCDmenusareconsideredaLocalportonthetransmitter,thereforetheRemote

    must

    be

    Disabled

    for

    changes

    to

    made.

    This

    port

    should

    never

    be

    connected

    to

    a

    network,

    it

    is

    a

    DHCP

    server.

    Caution

    WHENEVER WORK IS BEING PERFORMED ON THE TRANSMITTER SYSTEM,

    ALWAYS DISABLE THE REMOTE CONTROL SYSTEM BY PRESSING THE DISABLE

    BUTTON. THIS WILL PREVENT ANOTHER OPERATOR FROM TURNING THE

    TRANSMITTER ON WHILE WORK IS BEING PERFORMED ON IT.

    CautionALWAYS CHECK TO VERIFY THE REMOTE ENABLED LIGHT IS ILLUMINATED

    BEFORE LEAVING THE TRANSMITTER SITE. A REMOTE CONTROL SYSTEM

    CANNOT GAIN CONTROL OF THE TRANSMITTER IF THE DISABLED LIGHT IS

    ILLUMINATED. THIS IS AN IMPORTANT SAFETY FEATURE. IF NO REMOTE

    CONTROL SYSTEM IS UTILIZED, THEN LEAVE THE TRANSMITTER IN THE

    REMOTE DISABLE MODE.

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    power

    prior

    to

    servicing. 888

    2743

    001

    Table 3-2 Front Panel LEDs

    StatusLEDs States Explanation

    EXCITER Green=OK

    Red=FaultRepresentsthestatusoftheOnairExciter

    DRIVECHAIN

    Green=OK

    Amber/Yellow=Auto

    Switched

    Red=Fault

    RepresentsthestatusofallIPAsinthetransmitterandAuto

    Switchingrelay(s)

    POWERAMP Green=OK

    Red=Fault

    RepresentsasummarystatusoftheallPAModulesinthe

    transmitter

    POWER

    SUPPLY

    Green=OK

    Red=Fault

    RepresentsasummarystatusofthePowerSuppliesinthe

    transmitter

    OUTPUT

    Green=OK

    Amber/Yellow

    =

    WarningRed=Fault

    RepresentsthestatusoftheRFOutputsystem.Whenthe

    transmitterisswitchedoff,theOUTPUTLEDisoff

    Green:Thetransmitterisswitchedon,andtheRFoutputlevel

    iswithin+/10%ofcalibratedpower

    Yellow:The

    transmitter

    is

    switched

    on

    and

    an

    Output

    warning

    exists;eitherVSWRorpowerisbelowwarningthreshold

    Red:ThetransmitterhasanOutputFault(VSWR)orpoweris

    belowfaultthreshold

    SYSTEM

    Green=OK

    Amber/Yellow=Warning

    Red=Fault

    Representsasummarystatusofthetransmittersystemcontrol

    andcooling.

    Green:SystemNormal

    Yellow:AControlorCoolingWarningexists

    Red:AControlorCoolingFaultexists

    MUTE Green=OK

    Red

    =

    RF

    Muted

    Green:IndicatesthetransmitterisOFForthetransmitterisON

    andunmuted.

    Red:

    Indicates

    the

    transmitter

    is

    switched

    on,

    but

    the

    RF

    output

    ispresentlymuted.

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    3.3 Internal Controls, Indicators and RF Sample ports

    ThefollowingfiguresshowtheSystemInterface(inallpowerblocks)

    Figure 3-2 10 PA Power Block

    NoteIPA power supply is optional and may not be installed in all model transmitters.

    Figure 3-3 Control (System) Interface Board

    Thereare2pairsofcontrolswitchesand6LEDstatusindicatorsontheboard.

    TXControlSwitchesandLED:AllowsthetransmittertobeturnedONorOFFinbothNormalmodeorBackupMode(MicroModulehasfailed)

    DRIVESwitches:AllowsswitchingtotheoffairDriveChain.DrivechainconsistsofExciterandIPA.Whenthedriveisswitched,allIPAsinallpowerblocksswitchsimultaneously.InotherwordsifthedriveisswitchedtoB,ExciterBandallpowerblockswillbeonIPAB.Whenswitchingdrivechains,theexternalI/Oboard(topboardisAandbottomboardisB)willbeenabled/disabledaccordingtothedrivechainonair.

    REMOTE:IlluminateswhenfrontpanelRemoteEnablebuttonispressed RFMUTE:IlluminateswhenanyRFMuteactionoccurs BACKUPMODE:IlluminatesREDwhenupperNORMAL/BACKUPswitchselectsBACKUPorwhenMicrofails

    IPAA

    IPAB

    PA1

    PA2

    PA3

    PA4

    PA5

    PA6

    PA7

    PA8

    PA9

    PA10

    PA1

    PA2

    PA3

    PA4

    PA5

    PA6

    PA7

    PA8

    PA9

    PA10

    PA1

    PA2

    PA3

    PA4

    PA5

    PA6

    PA7

    PA8

    PA9

    PA10

    PS1

    PS2

    PS3

    PS4

    PS5

    PS6

    PS7

    PS8

    PS9

    PS10

    PSIPA

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    prior

    to

    servicing. 888

    2743

    001

    3.4 LCD Navigation Tutorial

    Thenavigationbuttoniscomprisedof5separatebuttons,Left,Right,Up,Down,andthecenterBlackENTERbutton.Thesebuttonsallowtheusertonavigatethroughthemenuscreens,POWER,STATUSandSETUPbyscrollingupordown,andleftandrighttoselectdifferentpages.TheleftbuttonsometimesworksasaBackbuttontogobackonescreen(page).

    LookingatFigure34leftscreen,thereisanarrowontheleftsidebyTXCONTROL.Thearrowindicatestherearemore

    menus

    or

    information

    that

    can

    be

    viewed

    under

    TX

    CONTROL

    by

    pressing

    the

    ENTER

    button.

    InthecaseofadiamondshapeontheleftsideofthescreenasinFigure34rightscreen,thisindicatesthereismoreinformationthatcanbeviewedbyusingtheUP/DOWNbutton.

    Caution

    THERE IS A DIPSWITCH SETTING ON THE CONTROL/DISPLAY BOARD THAT

    LOCKS THE FRONT PANEL OUT WHEN REMOTE IS ENABLED. IF THE SWITCH

    IS SET TO FRONT PANEL DISABLE, NO CHANGES TO SETUP CAN BE MADE

    UNTIL THE REMOTE IS DISABLED. SEE SECTION 5 DIPSWITCH SETTINGS FOR

    DETAILS.

    Figure 3-4 LCD Screen Navigation

    Inthe

    SETUP

    menu

    can

    be

    used

    to

    configure,

    control

    and

    calibrate

    the

    transmitter.

    When

    navigating

    the

    SETUP

    screenthefollowingstepsmaybeusedasanexample.InthisexampletheDatewillbechanged.AfterpressingtheSETUPbutton,scrolldowntoSYSTEMSETUP(seeFigure34,right),pressENTERandthescreenshowninFigure35,leftwillbedisplayed.

    Figure 3-5 Date Setup

    TheDATEscreendisplaysthecurrentdate(month/day/year)information.PresstheENTERbuttonwhenthearrowisnexttotheselectionyouwishtochange,theselectionwillbehighlightedasshowninFigure35rightscreen.TochangetheMONTH,ensurearrowisnexttoMONTHandhighlightitbypressingENTER,usetheupordownbuttonstochangethedisplayedmonth,andthenpressENTER.PresstheAPPLYDATEbuttontoactivatethechange.UsetheUPorDOWNbuttonsuntilthearrowisnexttoDATE,presstheENTERbuttontohighlightDATE,usetheupdownarrowbuttonstochangethedate,andthenselectAPPLYDateandpressENTERtosavethechange.

    InsomecasessuchasNUMEXCITERSsetup,anentrymustbechangedfrom1to2.TheLCDscreenshowsNUMEXCITERS:1asinFigure36,inthiscasewhentheNUMEXCITERSlineishighlightedbypressingENTERtheUP/

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    DOWNbuttonscanbeusedchangetheentryfrom1to2.WhenthedesirevalueisdisplayedsimplypresstheENTERbuttontosavethechange.

    ThemenutreesforthePOWER,STATUSandSETUPmenusfollowthissection.OnlytheSETUPscreensallowtheusertomakechanges,POWERandSTATUSareusedonlytodisplaystatusvalues.Followingtheexamplesabovewillallowtheusertogetcomfortablew