Icron USB 1.1 Rover 2850 Dual Port Extender - Manual (Page 8)

8
PROBLEM CAUSE SOLUTION
The USB device
does not operate
correctly. • The USB device is
malfunctioning.
• The computer does not
recognize the USB device.
• The application software for
the USB device is not operating.
1. Un-install and re-install the driver for the USB
device.
2. Update the driver for the USB device.
3. Directly connect the USB device to the Host to
verify the USB device operates correctly.
The USB device
is detected as an
“Unknown Device”
in the operating
system. • The host computer or USB
device may not be capable of
supporting extreme distances.
• The USB device’s timing does
not conform to the USB 1.1
specification.
1. Connect the LEX to REX using a short cable.
2. Unplug the LEX from the host and wait 15
seconds. Then plug the LEX back into the host.
The operating
system reports
that a power surge
occurred or that
the USB device is
using too much
power. • The Host is not providing
enough power to the Extender.
1. Connect the LEX to a different USB port on the
host.
2. Connect a self-powered USB hub between the
REX and the USB device.
Troubleshooting
The following table provides troubleshooting tips. The solutions 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 ([email protected]) for further assistance.