User Guide

Introduction to the PinPoint X
Rev 3.0B Feb.08 7
Figure 1-7: Modem Doctor: USB connection
Connecting to the AT&T
Network
ThePinPointXusesAT&TasanISP(InternetService
Provider)toconnectyoutotheInternet.
Steps of a connection:
1. WhenyourPinPointXispoweredon,itautomatically
searchesforcellularserviceusingHSDPAorEDGE.
2. YourPinPointXestablishesaPPP(PointtoPointProtocol
or“dial”upconnection)linktotheAT&Tnetwork,also
calledregisteringonthenetwork,andreceivesanIP
address.
3. WhenyourPinPointXhasreceived itsIPaddressfrom
AT&T,aconnectiontotheInternetorthecellularnetwork
isalsoavailableforacomputerorotherdeviceconnected
directlytothePinPointX.