Specifications

Maxiva ULX Series
November 11, 2013
2‐19
888‐2628‐300 WARNING:Disconnectprimarypowerpriortoservicing.
Copyright©2013,HarrisBroadcast
STEP 2 Connectsamplecablesfromforwardandreflecteddirectionalcouplers(at
thesystemoutput,afterthefilter),fromrejectloaddirectionalcouplers,and
fromthePARTACtothecustomerI/Opanelatthetopofthecabinet.These
samplesarelistedin
Table2‐9.ThesesamplesmustbecalibratedusingtheGUI
afterinitialturn‐on(see"5.9AnalogPowerCalibrations"onpage5‐12or"5.10
DigitalPowerCalibrations"onpage5‐21).Theforwardandreflectedsample
cablesandRTACpostfiltersamplecablesarenotsuppliedsincetherequired
lengthsmustbedeterminedateachsite.
Note
Refer to the Apex M2X technical manual for RTAC sample levels. RTAC sample lev es are typically
adjusted to be -5 dBm at the exciter inputs.
Note
J23 is the WAN/LAN connector.
STEP 3 Connectagroundstrapfromeachcabinet’sE1block(locatedatthebottom,
rear,centerinsideeachcabinet)tothestationground.TheE1blockisshown
in
Figure2‐9.Arollofcopperstrappingisshippedwiththetransmitter.Rollthis
strapoutandattachitbeneaththecabinetgroundblockinthecabinetandto
stationgroundontheother.Ifanyadditionalcopperstrapisneeded,itshould
beatleast5cmwideand0.5mmthick.ThereisanadditionalE1blocklocated
ontopofeachcabinet(see
Figure2‐7)foradditionalgroundingasneeded.
Figure 2-9 Cabinet Ground Connection Block
STEP 4 Endofprocedure.
Table2‐9RFSamplesConnectionsonCustomerI/OPanel
Jack Connector Label
J17 N‐50 SYSFWD
J18 N‐50 SYSREF
J19 N‐50 REJECT1
J20 N‐50 REJECT2
J21 N‐50 REJECT3
J22 N‐50 PARTAC
Cabinet
Ground