Troubleshooting
74 Optical Switch
Solving Common Problems
The
RTUe-9110/RTUe-9120
external switch that I
have just connected is
not working.
A firmware update is in
progress.
When a firmware update is in
progress, the switch’s LED
remains off during all the update
process.
Wait a little time for the update to
complete. You will know that the
switch is ready to use again when
its LED turns steady green.
Note: If you have access to the
Optical Switch
application from
ToolBox X, you will see
a message about the
update.
The switch has not
been detected.
Disconnect, then reconnect the
switch.
Ensure that the RTU-2 unit is on
and that its System LED ( ) is
green and not blinking.
If the problem persists, turn off the
RTU-2, ensure that the switch is
connected properly to it with the USB
cable, and then restart the RTU-2.
Problem Possible cause Recommended action
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