Yamaha CD Recordable/Rewritable Drive CRW-F1UX Owner's Manual page 24

Preparing the CRW-F1UX Drive
3
Connect the included USB cable to the CRW-F1UX drive.
The included USB cable has two types of plugs: Series A plug and Series B
plug.
Series A plug
Insert the Series B plug (with a quadratic section) of the included USB cable
to the USB port of the CRW-F1UX drive.
USB cable
(included)
4
Connect the included AC adapter to the DC-IN connector of
the CRW-F1UX drive.
14
Series B plug
USB port
Series B plug
DC-IN
connector