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7: Configuring the MP Modem to
Report GPS and I/O Data
• I/O device installation
and configuration
TheMPmodemiscapableofreportingpositionandheading
informationusingtheembeddedGPSmodule,aswellasthe
statusofsensors,gauges,andalarmsconnectedtotheI/O
(Input/Output)port.TheMPmodemistypicallyinstalledina
fleetofvehicleswiththeGPSand/orI/Odatabeingsent
toa
centralofficeordispatchforprocessing.
Thischapterdescribe showtoimplementlocalreportingof
GPSandI/Odata.
Chapter8describeshowtoconfigureyour
MPmodemtoexchangedatawithyourprivatenetwork.
GPS configuration and
reporting
GPSreceiversuseanarrayoforbitingsatellitesoperatedbythe
UnitedStatesDepartmentofDefensetotriangulatetheir
coordinatesontheEarth’ssurface.InordertousetheGPS
moduleintheMPmodem,aGPSantennamustbeconnected
totheMPmodem.(Theinstallationrequireseithertwo
antennas—one
MainRFandoneGPS—orasinglecombination
RF/GPSantenna.)
FormoreinformationaboutGPS,seethePrimeronGPSOpera‐
tions(document#21 30313)ontheSierraWirelesswebsite,
www.sierrawireless.com.