PROBLEM
CAUSE
SOLUTION
All LEDs on both
the LEX and
REX are on, but
the USB device
does not operate
correctly or is
detected as an
“Unknown Device”
in the operating
system.
•
The USB device is
malfunctioning.
•
The computer does not
recognize the USB device.
•
The application software for
the device is not operating.
•
The KVM extender product is
malfunctioning.
1. Disconnect the KVM extender product from
the computer.
2. Connect the USB device directly to the USB port
on the computer.
3. If the device does not operate properly, consult
the user documentation for the USB device.
4. Update your system BIOS, chipset or USB
Host controller drivers from your System/
Motherboard manufacturer’s website.
5. Make sure the operating system has all the
latest updates installed.
6. If the USB device operates properly when
directly connected to the computer, connect
another device (of a different type) to the KVM
extender product. Connect the KVM extender
product to the computer.
7. If the second USB device does not operate, the
KVM extender product may be malfunctioning.
Contact Technical Support for assistance.
8. If the second device does operate properly,
the first device may not be compatible with
the KVM extender product. Contact technical
support for issues.
Blinking Video on
the Sink (Monitor).
•
A poor quality or damaged
CAT 5e/6/7 cable is being used.
•
The cabling is coiled.
1. Remove all loops in the CAT 5e/6/7 cable.
2. Confirm extender operation with a CAT 5e/6/7
patch cable.
Video frames are
being dropped.
•
The extender is not compatible
with the HDCP source and/or
sink device.
1. Contact Technical Support.
Video LED is off.
•
One or both of the HDMI cables
are not connected, are of poor
quality or are malfunctioning.
•
The sink or source is not
supported.
•
The KVM extender product is
malfunctioning.
1. Confirm extender operation with HDMI cables
that are less than 78” (2m) in length and have
connection between each connectors shield.
2. Confirm extender operation with a CAT 5e/6/7
patch cable.
3. Contact Technical Support.
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