Gefen USB 400 FO EXT-USB-400FON - Manual (Page 15)

12
TROUBLESHOOTING THE USB 400 FO EXTENDER
PROBLEM CAUSE SOLUTION
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).
Device LED is
orange and units
are no longer
functioning. Overcurrent condition has
occurred because USB
device draws more power
than can be supplied
per USB specifi cation
(500mA). 1. Power cycle Receiver.
LED Host and
LINK LEDs on
Sender/Receiver
units blink
intermittently. Firmware mismatch
between the Sender and
Receiver. 1. Use a different Sender/
Receiver pair which have the
same fi rmware revision.
2. Upgrade the Sender/
Receiver fi rmware, contact
technical support for
assistance.