ocol.  But there are several CDC drivers available from
   various manufacturers who sell USB devices that use CDC, and because
   it's a standard protocol, you should be able to use any CDC driver
   designed for your Windows version, even if it was meant for another
   device type.  Search the Web for "USB CDC driver for Windows <i>X</i>".
</p>
<p>
   To enable the USB COM port, add the <tt><a href="JSONConfigRef.htm#serialPorts.usb">usb</a></tt>
   property to the <tt>serialPorts</tt> section:
</p>
<pre>