User guide

Introduction to the PinPoint X
Rev 4.0 Oct.09 4
Modem Doctor
ModemDoctorandModemDoctorUSBisatroubleshooting
anddiagnosticsutility.Thisutilitywillallowyoutogetalog
fileofthePinPointXactivitywhichyoucanthensendtoSierra
Wirelesssupportorerasethecurrentconfigurationcompletely.
Figure 1-4: Modem Doctor
Connecting to your cellular
provider
ThePinPointXusesyourcellularproviderasanISP(Internet
ServiceProvider)toconnectyoutotheInternet.
Steps of a connection:
1. WhenyourPinPointXispoweredon,itautomatically
searchesforcellularserviceusingHSUPA/HSDPA.
2. YourPinPointXestablishesaPPP(PointtoPointProtocol
or“dial”upconnection)linktotheyourcellularprovider
network,alsocalledregisteringonthenetwork,and
receivesanIPaddress.
3. WhenyourPinPointXhasreceived itsIPaddressfrom
yourcellularprovider,aconnectiontotheInternetorthe
cellularnetworkisalsoavailableforcomputersorother
devicesconnecteddirectlytothePinPointX.