Ihse Draco K477 Series, User Manual

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Draco KVM Extender
60
2015-11-18
8.2 Blank Screen
1 1 1 2 3
1 2 3 3
Rear View Front View
Diagnosis Possible Reason Measure
LED 3 off Power supply  Check power supply units and
the connection to the power
network.
LED 1 on or
LED 2 off
Connection between
CON Unit and CPU Unit  Check interconnect cables and
connections.
CPU Unit:
LED
3 red or
yellow
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 42).
Reboot CPU if necessary.
No monitor detected  Check connection, length and
quality of the DVI-D cable to
monitor, tighten cable
thumbscrews.
CON Unit:
LED
3 red or
yellow
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 42).
Reboot CPU if necessary.
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