Datasheet

Page 17
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Chapter 4: Troubleshooting and Maintenance
4. Troubleshooting and Maintenance
Problems/Causes/Solutions
Table 4-1. Problems/Causes/Solutions.
Problems Causes Solutions
Output images in display
appear with ghost.
Incorrect setting on the
display.
Check the display's set-
ting.
Bad quality cable Try another high-quality
connection cable.
No output image when switch-
ing.
No signal at the input/out-
put end.
Check with and oscillo-
scope or multimeter to
see if there is a problem
at the input/output
end.
Failed or loose connection. Make sure the connec-
tion is good.
The extender is broken. Contact Black Box
Technical Support at
724-746-5500 or info@
blackbox.com.
Cannot control the device by a
PC through the RS-232 port.
Wrong RS-232 communi-
cations parameters.
Make sure the RS-232
communication param-
eters are correct.
The extender is broken. Contact Black Box
Technical Support at
724-746-5500 or info@
blackbox.com.
Static becomes stronger when
connecting the video connec-
tors.
Bad grounding. Check the grounding
and make sure it is con-
nected well.
Cannot control the device via
RS-232/IR.
The extender is broken. Contact Black Box
Technical Support at
724-746-5500 or info@
blackbox.com.
If your problem persists after you follow the above troubleshooting steps,contact Black
Box Technical Support at 724-746-5500 or [e-mail].