IHSE USA 473 Series DSXi KVM Extender - Manual (Page 37)

Troubleshooting
2011-02-23
37
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 mains.
LED Link
Status off Connection between
CON Unit and CPU Unit
 Check interconnect cable 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 monitor (see Chapter
6.2, Page 27).
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 cable
between the units.
 Download DDC information from
console monitors (see Chapter
6.2, Page 27).
Reboot CPU if necessary.
CON Unit: LED
Video OK off
Suboptimal transmission
parameters
 Execute Auto-Adjust (see
Chapter 6.1, Page 27).
 If necessary, manually adjust
parameters for monitor
resolution (see Chapter 5.1.1,
Page 22) and cable length (see
Chapter 5.1.2, Page 23).
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