Rainbow Electronics GM862-QUAD-PY User Manual
Page 16

GM862-QUAD / PY Software User Guide
1vv0300747 Rev. 3 - 10/07/07
Reproduction forbidden w ithout Telit Communications S.p.A. w ritten authorization - All Rights Reserved
page 16 of 96
2.5.2.3 Provide SIM PIN (only if required see point 2.5.2.2)
•
send command
AT+CPIN=****
where **** stands for the SIM PIN code (e.g. 1234)
•
wait for response:
Response
Reason
Action
OK
SIM PIN was correct
Proceed ahead
ERROR
the PIN code inserted is not
correct
Retry from par. 2.5.2.2
NOTE: When receiving the ERROR message, repeat Query SIM presence and status since after
3 failed attempts SIM PIN is not anymore requested, but SIM PUK is requested instead, hence
you may need to go through procedure 2.5.2.4
2.5.2.4 Provide SIM PUK (only if required see par. 2.5.2.2)
•
send command
AT+CPIN=*******,
where ******* stands for the SIM PUK code (e.g. 12345678) and
old pin in the SIM.
•
wait for response:
Response
Reason
Action
OK
SIM PUK was correct
Proceed ahead
ERROR
the SIM PUK code inserted is
not correct
Retry from par. 2.5.2.4
TIP: When receiving the ERROR message, be careful to check if the SIM PUK is correct before
retrying, since after 10 failed attempts to provide the SIM PUK the SIM Card will lock and will
not be usable anymore.