ZyXEL Communications NWD-210N Quick Start Manual page 7

ENGLISH
Never bend, twist or force the NWD210N into
the port. If there is not enough space to attach
the NWD210N, use the included USB cable.
The NWD210N's LED (light) turns on if it is properly inserted.
If the NWD210N's LED is not on after you have
installed the software and the NWD210N, make
sure the NWD210N is properly inserted.
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