ATEN UC232A 1.3ft USB to RS-232 Adapter for sale online | eBay
ATEN UC485 USB to RS-422/485 Adapter Cable, 1,2m | USB -> Serial / Parallel | Adapter / Converter | Product Overview | INTOS ELECTRONIC AG - Online Store
ATEN USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers - Newegg.com
ATEN USB to RS-232 Adapter (35cm) (UC232A) - YouTube
USB to RS-232 Adapter (35cm) - UC232A, ATEN Converters | ATEN Corporate Headquarters