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Hardware and Software Installation
Rev 1.5 Jul.08 31
Install the antennas and cables
Note: When connecting the cables, hand-tighten the connectors; do
not use tools.
ToinstalltheMainRF,GPS,andAPantennas:
1. Mounteachantennaaccordingtotheinstructions
providedwithit.
2. ThreadtheantennacablestotheMPmodem.Securethe
cablesasnecessary.
Note: To avoid RF interference
problems and possible damage
to the MP modem, do not power
on the MP modem before
connecting the Main RF
antenna.
3. ConnecttheMainRFantennacabletotheTNCconnector
ontherearoftheMPmodem.
4. IfyouareusingGPS,connecttheGPSantennacabletothe
GPSantennaconnectorontherearoftheMPmodem.
5. IfyouareusingWAP,connecttheAPantennacabletothe
APantennaconnectorontherearoftheMPmodem.
(MP875only)
Figure 3-5: The MP modem’s SMA connector for the GPS and AP antennas
(top), and the TNC connector for the Main RF antenna (bottom).
TheAPantennamustbeinstalledbyaprofessionalandthere
mustbeaseparationofatleast20
cm.betweentheAPantenna
andthemainRFantenna.
Note:
Step 3 — Install the power harness
Inatypicalinstallation,theMPmodemisconnectedtothe
vehicle’sbatterywiththepowerharness.TheMPmodem
supportsavoltagerangebetween9
voltsdirectcurrent(VDC)
and36
VDC,andisdesignedforboth12VDCand24VDC
vehicleelectricalsystems.
GPS antenna
Main RF antenna
AP antenna
Serial Host
Main RF
USB Host
GPS
Ethernet Host
AP
Power
I/O