INSYS Modem 336 LL 2D/4D 5.x Originate / Answer
Maintenance
If the INSYS Modem 336 LL 2D/4D 5.x Originate / Answer does not respond,
check the connection and if the device receives power at all. Continue with
step 2.
7.
Ensure that hardware data flow control is also enabled in the INSYS Modem
336 LL 2D/4D 5.x Originate / Answer!
The firmware upload can not function without the hardware handshake.
The input buffer at the serial interface of the INSYS Modem 336 LL 2D/4D
5.x Originate / Answer flows over and the INSYS Modem 336 LL 2D/4D 5.x
Originate / Answer resets itself. In this case, you will hear the relays click
during the uploads. It is possible that an error message is displayed.
Before you start with the upload, ensure that no other programs are active
on your system, which could interrupt the data flow at the serial interface.
Opening a DVD drive, playing music or connecting a USB device can also
disturb or interrupt the data flow. As a result, the INSYS Modem 336 LL
2D/4D 5.x Originate / Answer may fail to function, and only INSYS MICROE-
LECTRONICS will be able to restore it.
8.
Type
AT**
to start the firmware upload.
The modem reports "
Download initiated ...
".
9.
Use the terminal program to send the file with the firmware loader, such as
"HS_LADER.S37".
The upload progress is displayed by dots in the terminal window.
The INSYS Modem 336 LL 2D/4D 5.x Originate / Answer reports the suc-
cessful upload of the firmware loader, for example with
Flash loader - Rev 27
Standard d/load mode
SST 39VF/LF020 Mfr_ID=BF, Device_ID=D6
2MBit Device Detected
Download flash code ...
If you didn't receive the previous message for a successful upload, the upload
has most probably failed. Try to reset the INSYS Modem 336 LL 2D/4D 5.x
Originate / Answer and to repeat the process from step 4. If this fails and the
INSYS Modem 336 LL 2D/4D 5.x Originate / Answer does no longer react to
AT commands, please contact the INSYS MICROELECTRONICS support de-
partment.
10.
Use the terminal program to send the file with the firmware, such as
"20B7.S37".
The upload progress is again displayed by dots in the terminal window.
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