B&B Electronics 00-00327 - Manual User Manual
Page 15

PROBLEM
CAUSE
SOLUTION
Host LED on LEX/
REX units are 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 Spectra 3022 is
malfunctioning.
1. Disconnect all USB devices from the REX unit.
2. Disconnect the LEX unit from the computer.
3. Disconnect the REX unit from the AC power
adapter.
4. Reconnect the LEX unit to the computer.
5. Reconnect the REX unit to the AC power
adapter.
6. In the Universal Serial Bus controllers section of
Device Manager, check that the Spectra 3022 is
recognized as two “Superspeed Hub”s or two 3.0
Hub”s
note
It may be recognized as “Superspeed Hub”,
“3.0 Hub” or by other names, depending on
the operating system and driver installed.
All LEDs on both
the LEX unit and
REX 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 Spectra 3022 is
malfunctioning.
1. Disconnect the Spectra 3022 from the
computer.
2. Connect the USB device directly to the USB port
on the computer.
3. If the USB 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 USB device operates properly when
directly connected to the computer, connect
another device (of a different type) to the
Spectra 3022. Connect the Spectra 3022 to the
computer.
6. If the second USB device does not operate, the
Spectra 3022 may be malfunctioning.
Contact
7. If the second USB device does operate properly,
the first device may not be compatible with
the Spectra 3022.
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