9
Chapter 1
Using the 8000 GPRS Cradle
1.3 CONFIGURATION MODE
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.
1.3.1 GENERAL SETTINGS
AT Commands
Description
GSM
GPRS
Get echo from the cradle.
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Load factory defaults.
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Write the current settings to flash.
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Get the firmware version of the cradle kernel
program.
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Get the serial number of the cradle.
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?
Get the firmware version of the cradle user
program.
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1.3.2 CONNECTION SETTINGS
AT Commands
Description
GSM
GPRS
2
Get the information about whether PIN
authentication is applied to the facility lock of
SIM card.
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√
<Parameter>, <PIN>
Set PIN authentication, enable or disable.
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?
Get the information about whether PIN or PUK
code is required.
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=
Set PIN code for authentication.
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Change PIN code of SIM card.
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Get the delimiter check status, as well as the
delimiter character if in use.
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Set the delimiter check, enable or disable.
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Get the Access Point Name (APN) currently in
use.
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