UniMod GSM-4
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Local: When doing a firmware update via RS232 service interface it is advisable to
remove or disable the SIM card in the modem.
Mobile: When doing a firmware update remotely via GSM/PSTN/GPRS connection
the data f
ormat must be set to 8N1 (set option “Read”, see picture below). If
the remote modem is set to 7E1 then the option “Remote 7E1” must be en-
abled also:
After clicking button
“
Firmware Update
” the current parameter setting is
read from remote modem. Then the file containing the desired firmware
can be selected (e.g. from hard disk). The program checks now if the
firmware of the remote device can be updated. If yes, this message will
appear:
A click
on button “OK” starts the update. On success the following message
appears:
After that the modem will perform a reset and boot the uploaded firmware.
Timeout:
Local := 3 seconds; CSD := 30 seconds; GPRS := 3 minutes;