User guide

GSM1308 Quad-Band

SA-G+ User Manual

GSM1308UG001 23 Version 1.02 – 10/29/08

e) Configure the SA-G+ to Access the GPRS network.

1. To inform the SA-G+ of the proper APN, send the

following command:

AT+CGDCONT=1,”IP”,”apn”<CR> (substitute the

letters apn for the supplied apn.)

2. To inform the SA-G+ of the proper username and

password, (if necessary) send the following

command:

AT%CGPCO=1,”username,password”<CR>

(substitute the correct username and password)

3. To configure the SA-G+ to enable auto GPRS

registration, send the following command:

AT$AREG=2<CR>

4. Store the current configuration to memory, send the

following command:

AT&W<CR>

5. Reset the SA-G+ by removing power or sending the

AT$RESET<CR> command.

6. Verify GSM status by sending the following command:

AT+CREG?<CR>

If everything is working, you should receive one of two

responses:

+CREG: 0,1 (GSM registered to home network)

+CREG: 0,5 (GSM registered roaming.)

7. Verify GPRS status by sending the following

command: AT%CGREG?<CR>

If everything is working, you should receive one of two

responses:

%CGREG: 0,1 (GPRS registered to home network)

%CGREG: 0,5 (GPRS registered roaming.)