[HCL] Digitus DN-170014 supported by richcomm_usb

Reference: http://lists.alioth.debian.org/pipermail/nut-upsdev/2014-March/006695.html -or-
http://news.gmane.org/find-root.php?message_id=CADq9dvWMx0xBz9XXkVKXCre4ox%2d2kSeHtD7LW39eEDH1RCY8sQ%40mail.gmail.com