Fastrack Supreme User Guide
Using the FASTRACK Supreme Plug & Play
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Page: 43 / 77
5.9
Verify the FASTRACK Supreme Network Registration
1. Make sure a valid SIM card has been previously inserted and locked in the FASTRACK Supreme
SIM card holder.
2. Using a communication software such as a HyperTerminal, enter the following AT commands:
a.
AT+CPIN=xxxx
to enter PIN code xxxx.
b.
AT+WMBS?
To check the current band setting in the Plug & Play
c.
AT+WMBS=<Band>[,<param>]
To switch band/mode when needed
d.
AT+CREG?
.
To ascertain the registration status.
The format of the returned response is as follows:
+CREG: <mode>,<stat>
with:
•
<mode>
= unsolicited registration message configuration,
•
<stat>
= registration state.
3. Verify the state of registration according the returned value given in the table below.
Table 10: Values of network registration
Returned Value (*)
<mode>,<stat>
Network registration
+CREG: 0,0
No (not registered)
+CREG: 0,1
Yes (registered, home network)
+CREG: 0,5
Yes (registered, roaming)
(*)For further information on the other returned values and their meaning, refer to "AT Commands Interface
Guide" [6].
