Sierra Wireless MP 880W Betriebsanweisung PDF herunterladen (Seite 29)

Hardware and Software Installation

Rev 1.5 Jul.08 29

Youcanalsouseagroundscrewontheconnectorpanelofthe

MPmodem.Usea 16‐gaugewireifyouchoosetouseaground

screw.Agroundscrewisnotrequiredaslongasthepower

harnessisproperlygrounded.

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

TheMP880WmodemhasoneMainRFantennaconnectorand

oneGPSantennaconnector.TheMP595Whas anadditional

RFantennaconnectorforanAPantenna.TheMPmodem

requiresanRFantennatoconnecttothewirelessnetwork.

Thebuilt‐inGPSmodulerequiresadedicatedGPSantennaor

acombinationantennawithcablestoboththeMainRF and

GPSantennaconnectorsontheMPmodem.

IfyoualreadyhaveanMPmodemcombinationGPSantenna,

youcanre‐useitwithyournewMPmodem.This antennahas

twoleads

—oneforMainRF(TNCconnector)andone forGPS

(SMAconnector).

Main RF antenna

Useanapproved MainRFantennatoconnecttothewireless

network.Theantennamusthave50

ohmsimpedanceanda

cablewithaTNCconnector,aswellasthefollowingcharacter

‐

istics:

• Thetotalmaximumgain,includingcableloss,mustnot

exceed4

dBi(iftheantennaoperatesonthePCSband)or

dBi(iftheantennaoperatesonlyontheCellularband).

• Theantennamusttransmitandreceiveonthenecessary

frequencybandsinyourcoveragearea.TheMPmodem

supportstheseRFbands:

· HSUPAandUMTSnetworks:

· 850MHz

· 1900MHz

If you are using a ground screw,

Power

I/O

insert it here.

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