Sierra Wireless MP 875 - page 26

MP875 Modem User Guide
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Connector panel
TheMP875modemhasthefollowingconnectors:
Figure 3-2: MP 875 modem rear connectors
GPS and I/O options
TheMPmodemprovidessupportforGPS(GlobalPositioning
System)andforattachinginput/outputdevices.
GPS.IfyouplantousetheMPmodem’sbuilt‐inGPSmodule,
youmustconnectaGPSantennausinganantennacable,or
useacombinationantennathatcanconnecttoboththeGPS
andMainRFconnectorsontheMPmodemhousing.
OtherI/Odevices.Otherdevices,suchaspanicbuttons,
sensors,orgaugesmayalsobeinstalledwiththeMPmodem
andconnectedwithanI/OcabletotheI/Oport.(See“I/Oport
connections”onpage37.)
Overview of installation steps
Note: Electrical installations are
potentially dangerous and
should be performed by
personnel thoroughly trained in
safe electrical wiring procedures
for vehicles.
TheinstallationprocessfortheMPmodemvariesdepending
onhowyouplantouseit,whereitbestfits,andwhichofits
featuresyouplantouse.Themainstepsare:
1. MounttheMPmodem.
2. Mounttheantennasandconnectthecables.
·MainRFantennaandcable
·GPSantennaandcable,ifyouplantouseGPS
·WAPantennaandcable(MP595Wonly)
3. Connectthepowerharness.
I/O connector (DB15HD)
RS-232 serial (female DB9) USB (Type B) Ethernet
Power harness (Molex connector)
Main RF antenna (female TNC)
Serial Host USB Host GPS Ethernet Host I/O
Main RF Power
AP
WAP antenna for wireless
access point
GPS antenna
(female SMA)