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