IHSE USA 234 Series VTO2/VRO2 KVM-Extender - Manual (Page 35)

TROUBLESHOOTING
35
6. Troubleshooting
There isn’t a picture
Check the power supply connection at the Local unit. Is the Device Ready (Red
LED) at the Local and Remote unit illuminated? If not, the internal power-supply
may be damaged or there may be an internal error (see page 21).
Check that the Interconnection cable is connected at the Local Unit and the Remote
Unit. Check the 7-segment display for error codes (see page 22).
There may be one or more broken fibres. Do NOT look into a fibre’s end directly
while it is connected to a Local or Remote unit! Check for broken fibres using a
flashlight.
Are the cables of the recommended fibre type? If you used your own fibre optical
cable (not supplied by us), please ensure that you have used 50µ or 62.5µ fibres.
Other fibre-types and poly-fibres are not supported. Be sure, to have the Cable type
jumper (see page 29) set accordingly.
Either HSYNC or VSYNC is missing; because of this, the power save function is
enabled (EPA or TCO): Are the fibres for R, G, B swapped?
Running picture
The Monitor does not synchronize: are the fibres for R, G, B swapped?
instable screen picture
Do you use 62.5µ fibres with a length below of 100m (app. 330 ft)? Please
attenuate the optical budget by inserting optical fibre pigtails (see also Using 62.5µ
fibre cable on page 29
Keyboard, as well as Mouse does not work
You have swapped the 1- and 2-fibre.
The fibres 1 and/or 2 are not connected to the Local or Remote unit.
There may be one or more broken fibres. Do NOT look into a fibre’s end directly
while it is connected to a Local or Remote unit! Check for broken fibres using a
flashlight.
Are the cables of the recommended fibre type? If you used your own fibre optical
cable (not supplied by us), please ensure that you have used 50µ or 62.5µ fibres.
Other fibre-types and poly-fibres are not supported. Be sure, to have the Cable type
jumper (see page 29) set accordingly.