IHSE USA 482 Series Draco vario Dual- Head - Manual (Page 70)

Draco KVM Extender
70
2013-12-06
8.2 Blank Screen
CPU Module CON Module
3 4 2 1 2 1
3 4 2 1 2 1
3 4 2 1 2 1
3 4 2 1 2 1
Rear View Rear 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 48).
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 48).
Reboot CPU if necessary.
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