TRENDnet TU-S9 USB to Serial Converter USB to RS-232 (Serial) | eBay
TRENDnet Model TU-S9 USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable
TRENDnet TU-S9 USB to Serial Converter USB to RS-232 | eBay
Cabo Trendnet TU-S9 v3.0R Conversor USB Serial RS232 DB9 - Comercial Eletron SP