Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 180)

Security Commands
Change Password +CPWD
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WM_DEV_OAT_UGD_049 - 001 VOLUME 1 August 23, 2007
9.4.5 Examples
Command Responses
AT+CPWD=? +CPWD:
("PS",8),("SC",8),("AO",4),
("OI",4),("OX",4),("AI",4),
("IR",4),("AB",4),("AG",4),
("AC",4),("P2",8),("FD",8),
("PN",8),("PU",8),("PP",8),
("PC",8)
OK
Note: Possible values Note: PIN 1/ CHV 1, PIN 2/CHV 2 must be on 8
digits maximum (4 minimum). For call barring, on 4
digits maximum.
AT+CPWD="SC",1234,5555
Note: Change PIN
OK
Note: PIN was correct
AT+CPWD="SC",1234,5555
Note: Change PIN
+CME ERROR: 16
Note: PIN was wrong
AT+CPIN=5555
Note: Enter PIN
OK
Note: PIN was correct
AT+CPWD="PN",12345678,00000000
Note: Change NCK
OK
Note: NCK changed for network lock