On the AT&T 2Wire Modem what is the USB plug-in for?

Can a printer be hooked up to this to communicate near a wireless lap top?

Answer:
So you can hook up a USB wireless device 802.11a-g to connect to oter computers next to that have a printer already.
It can simply be used contained by place of your CAT-5 ethernet cable. Either one can connect to your computer but not both.

It has zilch to do with a printer.

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