ATEN UEH4002A, User Manual

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UEH4002A User Manual
18
Link LED on
Local unit is on,
Host LED on
Local unit is off. Š
The host computer is
not powered on.
Š
The Local unit is not
connected to the
computer.
Š
The computer does not
support USB hubs.
Š
The UEH4002A is
malfunctioning.
1. Disconnect all USB devices from
the Remote unit.
2. Disconnect the Local unit from the
computer.
3. Disconnect the Remote unit from
the AC power adapter.
4. Reconnect the Local unit to the
computer.
5. Reconnect the Remote unit to the
AC power adapter.
6. In the Universal Serial Bus
controllers section of Device
Manager, check that the
UEH4002A is recognized as a
“Generic USB Hub”.
UEH4002A units
were working,
but the Host
LED on Local/
Remote units
started blinking. The Remote unit is in
suspend mode. The
operating system may put
the UEH4002A 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
UEH4002A.
Problem Cause Solution