PROBLEM
CAUSE
SOLUTION
Host LED on Local/
Remote Extendes
are off.
• The host computer is not
powered on.
• The Local Extender is not
connected to the computer
(when used with the optional
Local Extender AC adapter).
• The SP3022 is malfunctioning.
1. Disconnect all USB devices from the Remote
Extender.
2. Disconnect the Local Extender from the
computer.
3. Disconnect the Remote Extender from the AC
power adapter.
4. Reconnect the Local Extender to the computer.
5. Reconnect the Remote Extender to the AC
power adapter.
6. In the Universal Serial Bus controllers section of
Device Manager, check that the SP3022 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 Local and
Remote Extenders
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 SP022 is malfunctioning.
1. Disconnect the SP3022 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
SP3022. Connect the SP022 to the computer.
6. If the second USB device does not operate, the
SP3022 may be malfunctioning. Contact
Technical Support for assistance.
7. If the second USB device does operate properly,
the first device may not be compatible with
the SP3022.
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