D-Link DSB-650 rev A1 (??)

Overview
D-Link's provided drivers indicate this device is an ATEN product. This would seem to be a KLSI based adapter..

Links of Interest

 * Downloads for the original DSB-650 model on the D-Link FTP server
 * Info on the linux-usb mailing list (00:10:74 - ATEN - OUI)