Telit EZ10-GPRS/-PCS
Product Description
80269ST10014a, Rev. 3 – 26/09/05
Reproduction forbidden without written authorization by Telit Communications S.p.A.
Page 65 of 74
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5 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 EZ10 Terminal Family
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 to 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 EZ10 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 EZ10 discharges so that the GSM862 module inside goes to OFF condition.
5.1 Step-by-Step upgrade procedure
I. 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.
II. Verify the need for the update and check the availability of the software for the Model and
version of the EZ10, requesting it at this e-mail address:
mailto:[email protected]
Receive or download the specific software for upgrading (Transfer Flash Image
GM862_xxx.zip), ca. 5-6 MB at present.
III. Unzip the file GM862_xxx.zip. A new exe file will be created.
IV. Disconnect the EZ10 Terminal from its Power Supply and prepare for re-connection at the
prompt of the running update tool.
V. Run the file
TFI_GM862-xxx_xxxx.exe
. The following window should be displayed, Select
the language preferred by pressing the correspondent button.
VI. Press OK to the initial message.
NOTE: In connection with the EZ10 Terminals, charged battery has to be understood that the
power supply should not be disconnected or break down during the firmware update.