EFA-200/-300 10 Maintenance and repairs
10-7
8. In the window “Download – Select File” double-click on the copied file
“*.sof” or use the SELECT button.
A DOS window will open to show the progress (duration approx. 15
min.). Once completed, you will see the message “DOWNLOAD
SUCCESSFUL”.
9. Close the window with OK.
10.Use the QUIT key in the “CONF” window to end the program.
11.Power the EFA off and back on again.
Tips:
• The firmware update can be repeated after powering the device back on
again in case it was prematurely interrupted.
• Some computers will allow you to increase the baud rate, which shortens
the transfer time. To find out if your computer will allow this, just give it a
try.
Possible problems
Data communications not possible
The serial interface “COM” to which the opto-electrical adapter is connected
is not recognized or the switch on the opto-electrical adapter is not in the
position “DTE”. The fiber optic cable might be kinked or bent.
⇒ In the window “COM Port”, activate the serial interface “COM” to which
the opto-electrical adapter is connected.
– or –
⇒ Set the switch on the opto-electrical adapter to the “DTE” position.
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