Enfora GSM2228UG001 ユーザーズマニュアル

 

GSM2228UG001                                                                                                            Page 33 

 

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)  

OR  

+CREG: 0,5 (GSM registered roaming.) 

 
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)  

OR 

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

 

 
Enter the following command to verify that the Mini-MT is activated on the GPRS 
network: 
 

AT$NETIP?<CR> 
 

The Mini-MT is activated if it has been assigned an IP address 
 

Example of successful GPRS activation: 
at$netip? 
$NETIP: "166.217.226.214","066.102.163.231","066.209.010.201" 
 

NOTE:  The above IP addresses will be different for each device and 
location.  Non-zero values indicate a successful GPRS activation. 

 
Example of unsuccessful GPRS activation: 
at$netip? 
$NETIP: "000.000.000.000",  "000.000.000.000", "000.000.000.000"