Sony MP595 Instrukcja Użytkownika Strona 29

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Hardware and Software Installation
Rev 1.5 Jul.08 23
Youcanalsouseagroundscrewontheconnectorpanelofthe
MPmodem.Usea16gaugewireifyouchoosetouseaground
screw.Agroundscrewisnotrequiredaslongasthepower
harnessisproperlygrounded.
Figure 3-4: The ground screw connector on the connector panel.
Note: Tighten cables connected
to the MP modem by hand. Do
not use tools.
Step 2 Mount the antennas and install
the cables
TheMP595modemhastwoMainRFantennaconnectorsand
oneGPSantennaconnector.TheMP595Whas anadditional
RFantennaconnectorforanAPantenna.TheMPmodem
requiresanRFantennatoconnecttothewirelessnetwork.The
secondRFconnectorisoptionalandallowsforreceive
diversity.
ThebuiltinGPSmodulerequiresadedicatedGPSantennaor
acombinationantennawithcablestoboththeMainRFand
GPSantennaconnectorsontheMPmodem.
IfyoualreadyhaveanMPmodemcombinationGPSantenna,
youcanreuseitwithyournewMPmodem.Thisantennahas
twoleads
oneforMainRF(TNCconnector)andoneforGPS
(SMAconnector).
Main RF antenna
UseanapprovedMainRFantennatoconnecttothewireless
network.Theantennamusthave50
ohmsimpedanceanda
cablewithaTNCconnector(orSMAconnectoriftheantenna
isbeingusedforreceivediversity),aswellasthefollowing
characteristics:
Thetotalmaximumgain,includingcableloss,mustnot
exceed4.15
dBi(iftheantennaoperatesonthePCSband)
or5.1
dBi(iftheantennaoperatesonlyontheCellular
band).
Theantennamusttransmitandreceiveonthenecessary
frequencybandsinyourcoveragearea.TheMPmodem
supportstheseRFbands:
If you are using a ground screw,
Power
I/O
insert it here.
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