Vaddio Extreme USB Extenders - Manual (Page 9)

Extreme USB 2.0 Extenders
Extreme USB 2.0 Extenders - Document Number 342-0468 Rev D Page 9 of 16
T ROUBLESHOOTING
The following table provides troubleshooting tips. The topics are arranged in the order in which they should be
executed in most situations. If you are unable to resolve the problem after following these instructions, please contact
technical support for further assistance.
Problem Probable Cause Solution Possibilities
All LEDs on the RX unit
(PC-Host side) are off. The RX unit is not receiving enough
power from the USB port. 1) Ensure the USB connection between the
RX unit and the host PC is properly
installed. Remember to use a USB 2.0
rated cable with USB 2.0 signals.
2) Move the USB connector to another USB
port on the host PC. Some PCs have
internal hubs and adequate power may
not be available on every port.
All LEDs on the TX unit
(device side) are off. The TX unit is not receiving power
for the AC Adapter. 1) Ensure that the AC power adapter is
properly connected to the TX unit.
2) Check the viability of the AC electrical
outlet. Check that the TX unit’s power
LED comes on when plugged into a
working outlet.
Link LEDs on the TX
and RX units are off. The is no connection between the
TX and RX units 1) Check the Cat-5e connection and the
cable. Avoid using the pull-through or EZ
type RJ-45 connectors. Check the pin-
outs and use 568B straight through
standard.
2) Connect a short and known good patch
cable between the TX and RX units. If it
works, then there is a Cat-5 cabling
problem.
Link LED on RX unit is on
but the Host LED on RX
unit is off. 
The host computer is not powered
on.

The LEX unit is not connected to
the computer (when used with the
optional LEX AC adapter).

The computer does not support
USB hubs.

The USB Ranger® 2201 is
malfunctioning.
1) Disconnect all USB devices from the TX
unit.
2) Disconnect the RX unit from the computer.
3) Disconnect the TX unit from the AC power
adapter.
4) Reconnect the RX unit to the computer.
5) Reconnect the TX unit to the AC power
adapter.
6) In the Universal Serial Bus controllers
section of Device Manager, check that the
RX unit is recognized as a “Generic USB
Hub”.