Maintenance
INSYS Modem 336 LL 2D/4D 5.x Originate / Answer
13
Maintenance
Firmware update
Note
Function loss due to faulty update!
The INSYS Modem 336 LL 2D/4D 5.x Originate / Answer
may loose its function, if it is updated with a wrong
firmware or if the transfer of the firmware was faulty.
Before updating the firmware of the INSYS Modem 336
LL 2D/4D 5.x Originate / Answer, contact the INSYS MI-
CROELECTRONICS support department. They will provide
you with the suitable firmware version for your INSYS
Modem 336 LL 2D/4D 5.x Originate / Answer.
The firmware of the INSYS Modem 336 LL 2D/4D 5.x Originate / Answer can be updated
to add more functions to the INSYS Modem 336 LL 2D/4D 5.x Originate / Answer or to
improve the existing functions. A firmware update can be performed with the help of a
terminal program that supports ASCII uploads (e.g. TeraTerm).
Firmware update with a terminal program
How to load new firmware to the INSYS Modem 336 LL 2D/4D 5.x Originate
/ Answer.
You will need a terminal program that supports ASCII file transfers, such as
TeraTerm.
You will need the firmware that is suitable for your INSYS Modem 336 LL
2D/4D 5.x Originate / Answer.
The INSYS Modem 336 LL 2D/4D 5.x Originate / Answer is connected to the
PC.
1.
Start your terminal program.
2.
Activate hardware handshake in the terminal program.
3.
Open the serial interface, to which the INSYS Modem 336 LL 2D/4D 5.x
Originate / Answer is connected.
4.
Set the baud rate in the terminal program to 57600 baud.
5.
Press the reset key for one second, if automatic connection establishment is
configured.
6.
Type in
AT
and confirm with "Enter".
The INSYS Modem 336 LL 2D/4D 5.x Originate / Answer responds with
OK
.
46
Summary of Contents for Modem 336 LL 2D/4D 5.x Originate / Answer
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