EVK-G31, EVK-G35 - User Guide
UBX-13001792 - R06
Early Production Information
Starting up
Page 12 of 22
1.10
Enabling error result codes
Command sent by DTE (user) DCE response (module)
Description
AT+CMEE=2
OK
Enables the cellular module to report verbose error result codes.
1.11
PIN code insertion (when required)
Command sent by DTE (user) DCE response (module)
Description
AT+CPIN=”8180”
OK
Enter the PIN code, if needed (enter the PIN of the SIM card – 8180 is
written here as an example).
AT+CLCK="SC",0,"8180"
OK
Unlock the PIN at power on (the last parameter is the PIN of the SIM card
– 8180 is written here as an example).
AT+CLCK="SC",1,"8180"
OK
Lock the PIN at power on (the last parameter is the PIN of the SIM card –
8180 is written here as an example).
1.12
Registration on a cellular network
Command sent by DTE (user) DCE response (module)
Description
AT+CREG?
+CREG: 0, 1
OK
Verify the network registration.
AT+COPS=0
OK
Register the phone on the network.
The cellular module automatically registers itself on the cellular network.
This command is necessary only if the automatic registration failed
(AT+CREG? returns 0,0).
AT+COPS?
+COPS: 0,0,”I TIM”
OK
Read operator name.
1.13
Switching off the EVK-G3x
To switch off the EVK-G3x, send the AT+CPWROFF command. Make sure to use this command before switching
off the main power, otherwise settings and configuration parameters may not be saved on the EVK-G3x.