I have a targus dock which has an ADMtek 8515 in it, you might want to add another section in the plist:
USB To LAN Converter:
Version: 1.01
Bus Power (mA): 500
Speed: Up to 480 Mb/sec
Manufacturer: ADMtek
Product ID: 0x8515
Serial Number: 0001
Vendor ID: 0x07a6