PLANET KVM-E500 - Manual (Page 7)

Chapter 3 Troubleshooting
1. No video signal is displayed on the monitor.
1.1 Please ensure all of VGA cables & connecter and CAT5 cable &
connector are securely connected.
1.2 VGA cable was not attached to computer during boot up process.
Please make sure the VGA cable is attached and reboot the
computer.
1.3 Please ensure the power adapter is plugged into the Receiver.
2. Video signal is foggy or un-cleared on the screen, please check VGA
connector, or the VGA resolution is too high for the length of cable
being used. If the issue is related to VGA resolution, please shorten
the CAT5 cable length or lower the 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.
Note
The highest VGA resolution is up to 1280 x 1024 (CAT5
cable length up to 500 feet approximately)
3. There is an error message: “keyboard or Mouse not found” on the
screen. Please make sure PS/2 cable and connector is well seated.
4. For USB computers like PC, MAC or SUN Microsystems, please apply
USB to PS2 converter to KVM-E500.
5. The computer boot up fine, but keyboard doesn’t work
5.1 Make sure the keyboard works when directly plugged into the
computer.
5.2 Try a different keyboard, but use only 101, 102 or 104-key
keyboard.