N
O
Problems
Expected Causes
Suggested Remedies
1
“USB Controller”
is not installed.
Your Window system does
not apply for USB.
Contact PC manufacturer
and request them to
reinforce USB function.
2
“General USB Hub”
is not installed by
operation system.
Our product, M2-100 is not
connected rightly.
Check if downstream port
is rightly power-connected
and then connect it again
after pull-off upstream
cable.
3
Opticis Optical USB
Extension Module
does not work.
Although you perform above
described actions, Opticis
Optical USB Extension
Module does not work rightly.
Try no.2 remedy once more.
If it does not work even
after, contact Optics service
center .
4
An equipment
connected to
Opticis Optical USB
Extension Module
does not work.
Although you perform above
described actions, the
equipment has a problem in
itself.
Contact supplier or
manufacturer of the
equipment for solution.
5
Opticis Optical USB
Extension Module is
connected but it is
shown as
“Unrecognizable
device”
Downstream part of Opticis
Optical USB is not power-
connected.
Check if downstream port
is rightly power-connected
and then connect it again
after pull-off upstream
cable.
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Solution Table
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