User manual

12
TROUBLESHOOTING THE USB-400FO EXTENDER
PROBLEM CAUSE SOLUTION
All LEDs on both
the Sender unit
and Receiver
unit are on but
the USB device
does not operate
correctly, or is
detected as
an “Unknown
Device” in the
operating system.
(continued)
The USB-400FO is
malfunctioning.
The computer does
not recognize the USB
device.
The application software
for the device is not
operating.
6. If the second device does
not operate, the USB-400FO
may be malfunctioning.
Contact technical support for
assistance.
7. If the second device does
operate properly, the fi rst
device may not be compatible
with the USB-400FO.
USB device
is attached to
Receiver USB
port but Receiver
device LED is off
A USB device must have
the appropriate driver
installed on the computer
operating system
1. Install the required
USB device driver on the
computer operating system
prior to attaching the USB
device to the Receiver unit.
Please see your USB device
manufacturer’s website for
details.
2. Consult your USB device
documentation and power
your USB device with the
additional, USB device
manufacturer supplied, power
supply (if available).