Rainbow Electronics GE863-GPS low power - Manual (Page 16)

GE863-GPS Software User Guide
1vv0300724 Rev. 3 - 05/07/07
Reproduction forbidden w ithout Telit Communications S.p.A. w ritten authorization - All Rights Reserved page 16 of 122
2.5.2 SIM presence checking
After autobauding the first thing to check is the SIM presence and PIN code insertion, this can be done
with the following commands:
2.5.2.1 Enable the Extended error result codes
•
send command AT+CMEE=1
•
wait for
OK
response
or if you prefer the verbose format instead of the numerical format then:
•
send command AT+CMEE=2
•
wait for
OK
response
2.5.2.2 Query SIM presence and status
•
send command AT+CPIN?
•
wait for response:
Response Reason Action
+CPIN: SIM PIN SIM is present and PIN is
required to continue operations Proceed to par. 2.5.2.3
+CPIN: SIM PUK SIM is present and 3 attempts
to give SIM PIN have failed, so
SIM PUK is required Send command
AT+CPIN=
+CPIN: READY SIM is present and no PIN code
is required to proceed Proceed ahead
+CME ERROR: 10 SIM not present Insert SIM or require SIM
insertion and repeat from par.
2.5.2.2
+CME ERROR: 13 SIM defect Check SIM insertion or require
a new SIM not defected and
repeat from par. 2.5.2.2
+CME ERROR: 14 SIM is busy retry later
+CME ERROR: 15 SIM is wrong type Check SIM, it must be a GSM
SIM.