User's Manual

3G/GPRS Cradle

Reference Manual

4.2 CRADLE DOWNLOAD MODE

Regardless of the result of initialization, you can issue “AT+DOWNLOAD” to upgrade to a

new firmware version when available.

1) Connect a spare IR cradle to your computer and make sure the cradle baud rate is

57,600 bps (best suggestion). If not, adjust the cradle DIP switch.

2) Connect the power supply cords of the spare cradle and the 3G/GPRS Cradle to a

suitable power outlet separately.

3) Hold the spare cradle upside-down so that its IR interface is facing to the IR interface

of the 3G/GPRS Cradle, as shown as the illustration.

4) Run HyperTerminal on your computer. Type “AT+DOWNLOAD”, and press the [ENTER]

key.

5) When the cradle is ready to download a new program, the TX/RX and LAN indicators

will flash.

6) Exit HyperTerminal.

7) Run CipherLab download utility, such as ProgLoad.exe, on your computer.

8) During downloading, the TX/RX and LAN indicators will flash.

9) The 3G/GPRS Cradle will restart itself automatically upon completion of program

download.