P.15 Maestro M110 Series
www.maestro-wireless.com
7.4
Network Registration
To verify network registration, first ensure the SIM card has been provisioned.
If the model has embedded SIM, first ensure the modem has been activated
by the network provider.
To see the network registration status, in terminal program, enter:
AT+CREG?
and refer to the below responses of network registration status;
Response
Description
+CREG: 0,0
Not registered
+CREG: 0,1
Registered on home network
+CREG: 0,2
Not registered and attempting
+CREG: 0,5
Registered on network when roaming
If it is not registered on the network, check the following;
•
If the antenna was attached properly
•
The received signal strength (refer to section 8.2)
•
If the SIM card was provisioned
7.5
PIN Code
To verify, in terminal program, enter:
AT+CPIN?
and refer to the below responses of PIN code status;
Response
Description
+CPIN: READY
PIN code has been entered correctly or not required
+CPIN: SIM PIN
PIN code has not been entered or entered incorrectly
