PioneerPOS G24-LC 用户手册

To enable the module to transfer from basic commands to full operational mode, a SIM card must 
be ready and the PIN enabled.

For a full description of SIM states, see 

.

The following steps are part of the SIM card status step:

1. Check SIM security: AT+CPIN?

2. Confirm that the result is +CPIN: READY

3. If the SIM PIN is required, then the following response appears: +CPIN: SIM PIN.

4. Unlock the SIM, if needed: AT+CPIN="XXXX".

Note: XXXX is the PIN password (4-8 digits long).

5. If the SIM PUK/PUK2 is required, then the following response appears: +CPIN: SIM 

PUK/PUK2.

6. Unblock the SIM, if needed: AT+CPIN="YYYYYYYY", "ZZZZ".

YYYYYYYY is the PUK/PUK2 password (4-8 digits long).
ZZZZ is the new defined PIN/PIN2 password (4-8 digits long).

Start

End

AT+CPIN?

See Developer’s Guide

+CPIN: READY