IHSE USA 472 Series DXXi KVM Extender - Manual (Page 52)

DXXi KVM Extender
52 2011-06-01
8 Troubleshooting
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8.1 Blank Screen
Diagnosis Possible Reason Measure
LED Power off Power supply  Check power supply units and
the connection to the power
network.
LED Link B / C
Status
Video 1 / 2
off
Connection between
CON Unit and CPU Unit  Check interconnect cables and
connections.
CPU unit: LED
Video OK
off
No video signal detected
by source (computer,
CPU)  Check DVI-D cable to CPU
 Download DDC information from
console monitors (see
Chapter 6.1, Page 40).
Reboot CPU if necessary.
No monitor detected  Check connection, length and
quality of the DVI-D cable to
monitor, tighten cable
thumbscrews.
No video signal detected
from CPU Unit  Check connection, length and
quality of interconnect cables
between the units.
 Download DDC information from
console monitors (see
Chapter 6.1, Page 40).
Reboot CPU if necessary.
CON unit: LED
Video OK
off
Device configuration not
suitable for device  Set DIP switches according to
device type.
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