Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 174)

Security Commands
Enter PIN2 +CPIN2
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WM_DEV_OAT_UGD_049 - 001 VOLUME 1 August 23, 2007
9.2 Enter PIN2 +CPIN2
9.2.1 Description
This Wavecom proprietary command is used to validate the PIN 2/CHV 2 code or to
validate the PUK2 code (UNBLOCK CHV2) and to define a new PIN 2/CHV 2 code.
This command is only used when the last command executed resulted in
PIN 2/CHV 2 authentication failure.
PIN 2/CHV 2 length is between 4 and 8 digits, PUK2 length is 8 digits only.
After three unsuccessful attempts, PUK2 will be required. PUK2 validation forces the
user to enter a new PIN 2/CHV 2 code as a second parameter and this will be the new
PIN 2/CHV 2 code if PUK1 validation succeeds.
9.2.2 Syntax
Action command
AT+CPIN2=<pin2>[,<NewPin2>]
OK
Read command
AT+CPIN2?
+CPIN2: <code>
Note: No OK
Test command
None