Moxa ONCELL G2110-T User Manual download pdf (Page 65)

OnCell G2100 Series User’s Manual AT Command Set

4-7

For example, users in North America would type the following:

PIN Code Management

Operation of the OnCell G2100 Series modem requires the installation of an active SIM (Subscriber

Identity Module) card. The SIM card contains the necessary data to identify the modem to the

network service provider. It is also used to store the GSM/GPRS modem PIN (Personal

Identification Number.) and PUK (Personal Unblocking Key), which are also used with mobile

phones. The PIN helps prevent unauthorized persons from using the mobile devices. Users must

enter the PIN each time the modem is powered up. The PUK is used to unlock a SIM card when an

incorrect PIN code has been entered three times.

Query the Current PIN Status

1. Connect the RS-232 port of the OnCell G2100 Series modem to a host PC. Start PComm

Terminal Emulator with the current communication parameters (default: 115200 bps, 8 data

bits, None parity, 1 stop bit, and no flow control.)

2. Type AT+CPIN? and press Enter.

If the OnCell G2100 Series modem responds with “+CPIN: SIM PIN” then the user must enter

the SIM’s PIN code.

AT+CPIN? responses

+CPIN: READY Modem is not pending for any password

+CPIN: SIM PIN

PIN1 is required

+CPIN: SIM PUK

PUK1 is required

If the OnCell G2100 Series modem responds with “+CPIN: READY” then the SIM security

is disabled, or the PIN for the SIM was entered correctly.

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Moxa ONCELL G2110-T User Manual Page 65