NimbeLink Skywire NL-SWN-LTE-NRF9160, Руководство пользователя

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To verify that the APN was set correctly, in the terminal program type the command:
AT+CGDCONT?
followed by the Enter key, and the terminal should respond with:
+CGDCONT: 0,”IPV4V6”,”APN”
OK
Section 5.1 contains further information regarding APN's, and some common APN's
that users may encounter.
3.9 Enable Cellular Functionality
After the chosen SIM card has been activated, and the PDP context is configured (if
applicable) the modem is ready to connect to the network.
To instruct the modem to enable its cellular radio and attempt to connect to the network,
send the following command:
AT+CFUN=1
followed by the Enter key, and the modem should respond with:
OK
3.10 Verify the Network Registration Status
To test whether the modem has registered on the network, the AT+CEREG command
can be used. To query the current registration status, send the following command:
AT+CEREG?
followed by the Enter key, and the modem should respond with:
+CEREG: 0,<n>
OK
Where ​<n>​ is replaced with the current network registration status.
If the modem is registered on the network, the response to the AT+CEREG? command
should be:
+CEREG: 0,1
OK
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