TRENDnet TU-S9 USB to Serial Converter
Interface: USB 1.1 Type A RS-232 (9-pin) Male
Supported OS: Windows 7 (32/64-bit)/Vista (32/64-bit)/XP(32/64-bit)/ 2000/ME/98SE Mac OS 10.1~10.6
Install as a standard Windows COM port, full RS-232 modem control signals, RS-232 data signals, TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
28/24 AWG Cable Gauge with 500kbps Data Rate
Easy Plug and Play installation with 2-years limited warranty