Справочник Пользователя для CipherLab Co. Ltd. 8400GC

 

 

9

 

 

 

Chapter 1

    Using the 8400 GPRS Cradle 

 

Regardless of the result of initialization, you can issue AT commands to configure the 
cradle, such as 

 

Perform the echo test between the mobile computer and the cradle. 

 

Write the current settings to flash or load factory defaults. 

 

Get the hardware version (Serial Number) or firmware version of the cradle. 

 

Set PIN authentication, enable or disable. 

 

Change PIN code of SIM card. 

 

Send delimiter during data transmission. 

 

For GPRS connection — Change Access Point name, apply Challenge-Handshake 
Authentication Protocol (CHAP), and so on. 

AT

 

Get echo from the cradle.   

ATF

 Load 

factory 

defaults. 

ATW

 

Write the current settings to flash. 

AT+KVER

? 

Get the firmware version of the cradle kernel 
program. 

AT+SN

? 

Get the serial number of the cradle. 

AT+VER

? 

Get the firmware version of the cradle user 

program. 

AT+CLCK=SC

, 

2 

Get the information about whether PIN 

authentication is applied to the facility lock of 

SIM card. 

AT+CLCK=SC

, 

<Parameter>, <PIN> 

Set PIN authentication, enable or disable. 

AT+CPIN

? 

Get the information about whether PIN or PUK 

code is required. 

AT+CPIN

= 

Set PIN code for authentication. 

AT+CPWD=SC

 

Change PIN code of SIM card. 

AT+DLMT

? 

Get the delimiter check status, as well as the 

delimiter character if in use. 

AT+DLMT

= 

Set the delimiter check, enable or disable. 

AT+APN

? 

Get the Access Point Name (APN) currently in 

use.