American Fibertek Series USB 2.0 Fiber Optic Extender - Manual (Page 10)

10
PROBLEM CAUSE SOLUTION
Link LED on
MRX/RRX/MTX
units are on, Host
LED on
MRX/RRX/MTX
units are off. The host computer is not
powered on.
The MRX/RRX unit is not
connected to the computer
(when used with the optional
MRX/RRX AC adapter).
The computer does not
support USB hubs.
The Product Name is
malfunctioning.
1. Disconnect all USB devices from the MTX
unit.
2. Disconnect the MRX/RRX unit from the
computer.
3. Disconnect the MTX unit from the AC power
adapter.
4. Reconnect the MRX/RRX unit to the
computer.
5. Reconnect the MTX unit to the AC power
adapter.
6. In the Universal Serial Bus controllers section
of the Device Manager, check that the
Product Name is recognized as a Generic
USB Hub .
AFI Series USB 2.0
units were working
but the HOST LED
on MTX unit is
suddenly blinking.
The MTX unit is in suspend
mode. The operating system
may put the
AFI Series USB
2.0 in suspend mode when
the computer is put into a
Suspend/Standby state or
when no USB devices are
attached.
1. Recover/Resume the operating system from
Suspend/Standby mode (see your operating
system s documentation).
2. Attach a USB device to the Product Name.
All LEDs on both
the MRX/RRX unit
and MTX unit 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 AFI Series USB 2.0
system is malfunctioning.
1. Disconnect the MRX/RRX 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 device.
4. Update your system BIOS, chipset or USB
Host controller drivers from your
System/Mother board manufacturer s website.
5. If the device operates properly when directly
connected to the computer, connect another
device (of a different type) to the Product
Name. Connect the Product Name to the
computer.
6. If the second device does not operate, the
Product Name may be malfunctioning.
Contact technical support for assistance.
7. If the second device does operate properly,
the first device may not be compatible with
the Product Name.