Rainbow-electronics GT863-PY Bedienungsanleitung PDF herunterladen (Seite 41)

GT863-PY Terminal Product Description

80269ST10026a Rev. 0 - 27/09/06

4 Service and SW / Firmware Update

The RS232 serial interface on the Terminal used for the communication with a PC can also be

used to update the Telit GT863-PY Terminal firmware (Software).

The firmware update can be done with a specific software tool provided by Telit that runs on

windows based PCs.

The update procedure requires switch-on the Terminal at a prompt within the running update tool.

Thus, the power supply line shall be disconnected before the launch of the update tool on the PC

and prepared for re-connection.

NOTE: Switching OFF the GT863-PY by disconnecting the external power supply line requires to

wait enough time (depending on the HW version!) that the load capacitor of the DC/DC converter

inside the GT863-PY discharges so that the module inside goes to OFF condition.

4.1 Step-by-Step upgrade procedure

First the program will erase the content of flash memory, then the program will write on the flash

memory. To update the firmware of the module, we suggest the following procedure:

• Collect information about the Hardware and implemented version of Software by the

command

- AT+CGMR<enter>, which returns the Software version information;

- AT+CGMM<enter>, which returns the Model Identification.

• Switch OFF the module.

• Run the file TFI_xxxx.exe. The following window should be displayed, Select the language

preferred by pressing the correspondent button.

• The End User License Agreement will appear. Please, read it and accept the terms if you

are going to proceed.

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Rainbow-electronics GT863-PY Bedienungsanleitung Seite 41