UMX-OPT-TX150R
User’s Manual
Section 13. Basic troubleshooting
Page 99 / 107
13.
Basic troubleshooting
General problems
Check the device
Check whether the device is properly powered. Try performing a reset through the
controller software, or push the device
’s reset button.
Serial connection problems
Check the cable and the software settings
Check whether your serial cable is properly connected. In most cases there are more
COM ports present in the operating system. Please verify the connection settings of your
software. The extender communicates by default with 57
600
Baud,
8
data bit,
N
o parity,
1
stop bit.
Picture is not displayed or distorted
Check the cables (HDMI, DVI, VGA)
Due to the high data rates, the cables must fit very well. If your source or display has
more connectors then make sure that the proper input port is selected.
Check the cables (fiber)
Due to the high data rates, high quality cables must be used. It is recommended to use
OM3 or OM4 cables.
Check the crosspoint state
Check the connection between the inputs and the output port.
Check EDID related problems
Maybe your display device is not capable of receiving the sent video format. Try
emulating your display device’s EDID to the source.
Check the source
Check whether your source is powered on and configured properly. The HDMI output can
be turned off on most DVD players. If the source is a computer, then verify that the VGA
output is selected and active. Try restarting your computer; if you get a picture during the
booting process, you have to review the driver settings.
HDCP issues
Non HDCP compliant display
Many video sources send HDCP protected signal if they detect that the sink is HDCP
capable
– even if the content is not copyrighted. This can cause trouble if a HDCP
capable device (for example optical extender) is connected between the source and the
display. In this case the content can’t be viewed on non-HDCP capable displays.
Disable HDCP function. For further information please see section
6.13
on page
46
.
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