Date Code 20210715
SEL-2890 Instruction Manual
Firmware Upgrade Instructions
Upgrade Procedure
B.3
Step 9.
The transceiver will prompt you to
Send HEX file as an ASCII
text file.
Send the firmware upgrade file by using the
send text
file
option of your terminal program.
Step 10.
Progress of firmware upgrade is indicated by the display of periods to
the terminal window. If the firmware download was successful you
will receive the
Download successful. Reprogram
transceiver (Y, N)?
prompt.
NOTE:
The current transceiver firmware is still programmed
into Flash memory at this point and has not been erased
or overwritten. Once reprogramming commences, power
must remain applied to the transceiver until
reprogramming is complete.
Step 11.
Type
Y <Enter>
to reprogram the Flash memory of the transceiver.
NOTE:
If you are upgrading from firmware version R101–
R103 to version R104 or newer, you must change the
communications speed of your computer to 19200 bps to
continue with Step 12. This may prevent you from seeing
the “Firmware Upgrade Complete” message. You can use
the
SHO
command to verify proper installation of the new
firmware.
Step 12.
Upon successful reprogramming of the transceiver you should receive
the
Firmware Upgrade Complete
message within 30 seconds. If
you receive this message, check the status of settings by issuing the
show (
SHO
) command. If you do not receive this message, go to
. You can verify the correct firmware was loaded by using the
version (
VER
) command.
Step 13.
If settings have been lost, go to Access Level 2 by using the
2AC
command and entering the default password. Use the
SET
command
to reenter lost settings. The transceiver is now ready for normal use.
Step 14.
If you did not receive the
Firmware Upgrade Complete
within
fifteen minutes of answering
Y
to the
Download successful.
Reprogram transceiver (Y, N)?
perform the following steps.
a.
If the original settings have been lost, the data rate will
default back to 19200, 8, N, 1. Change the data rate of your
terminal to 19200 and press
<Enter>
. If you receive a
prompt, then check the status of settings by using the
SHO
command. If there is still no response, press
AT+++
to get
the attention of the SEL-2890. If still unsuccessful, wait at
least 30 seconds and repeat
AT+++
. Repeat the
AT+++
command sequence as many as three separate times with a 10
second delay between each try if needed. Go to
if the
SEL-2890 is still unresponsive. If the SEL-2890 is
responding, use the
SHO
command to verify settings. The
transceiver is now ready for normal use.
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