Multi-Tech Systems MTCBA-G-F2 - Manual (Page 37)

Getting Started
37
Testing the Configuration
Descrip-
tion AT
Commands Response
Returned Comments
AT+CPIN
=1234 OK PIN Code accepted
+CME
ERROR : 16 Incorrect PIN Code
Enter PIN
Code
+CME
ERROR : 3 PIN already entered
(with +CMEE : 1
mode)
AT +
CREG ? CREG =
<mode>, 1 modem
synchronized on the
network
CREG =
<mode>, 2 synchronization lost,
re-synchronization
attempt
Module
synchro
checking
CREG =
<mode>, 0 Modem not
synchronized on
network. No
synchronization
attempt