CalAmp SMC-GPRS- Series User Manual

Also see for LandCell SMC-GPRS Series: User manual

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CalAmp SMC-GPRS- Series User Manual Manual pdf 16 page image

001-0004-829 Rev01Page 16 of 73Confirm that the SIM‘s PIN has been authenticated by the network using the AT+CPIN? command.The reply should read ―+CPIN: READY‖. See Section 6 for SIM related information if ―READY‖ doesnot display.Verify good signal strength with the AT+CSQ command. A typical reply is +CSQ 25, 99. The firstnumber is signal strength and ranges from 0 to 31 (the higher the number, the stronger the signal).Define the Packet Data Protocol (PDP) ContextNext, the Access Point Name (APN) must be defined using the PDP Context commandAT+CGDCONT=1,“IP”, command. The is the access point name for a specificcellular provider (for example AT+CGDCONT=1,‖IP‖,internet). The At+CGDCONT? command can beissued to verify the PDP Context information.The PDP context information can be set to non-volatile by issuing theAT^SCFG=GPRS/Persistentcontexts=1 command. GPRS PDP context will not be reset by anAT&F command. Refer to Figure 5.3.Figure 5.3 Set PDP Contexts, APNExit HyperTerminal before attempting to connect using a Dial-Up-Networking connection.