Broadrack R-Box, User Manual

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CAT5 Module User Manual
14
5. Troubleshooting
1. Receiver power LED is not ON

Make sure the power adapter is connected to KVM CAT5 receiver.
2.
The computer VGA resolution mismatches with the monitor’s supporting
resolution

Please notice the R-Box support DDC function, but it does not support
monitor hot plug. If hot plug the monitor may cause this problem.

When you want to change the monitor, please power off the R-Box firstly,
connect the new monitor to the R-Box, power on the monitor, finally power
on the R-Box, so R-Box can detect the monitor settings and pass the
settings to the computer.
3. No video signal is displayed on the monitor.

Please check if all connectors are connected properly

VGA cable was not attached to computer during boot up process.

Power adapter is not connected to the receiver.
4. Video signal is foggy or un-cleared on the screen

Please check VGA connector

The resolution is too high for the length of cable being used.

If the problem happened at VGA resolution, shorten the CAT5 cable length
or reduce VGA resolution.

It is highly recommended to use “optimal CAT5 cable length “to get the
best video quality and don’t waste unnecessary CAT5 cable.
5.
There is the error message “keyboard or Mouse not found “on the screen or
keyboard mouse not function.

PS/2-PC --- keyboard mouse are not hot pluggable, please make sure
PS/2 cable are well connected then reboot.

USB PC ---- please unplug and plug in the USB connector then wait for
USB bus emulations or run the device detection function on the windows
control panel .