Connect to any standard serial device via USB USB port adapter which allows any USB (Universal Serial Bus) ready computer to connect to 9 Way serial RS-232 peripheral devices Compatible with USB (Universal Serial Bus) 2.0 & USB (Universal Serial Bus) 1.1 devices " Plug & Play" Connectors: 9 Way D Male to USB (Universal Serial Bus) A Male Powered from USB (Universal Serial Bus) Bus with no external power supply required Cable length: 1.5m Compatible with Windows 95 (OSR2.1)98/ME/2000/2003 Server/XP/ Vista/7/8 & Mac OS 8.6 to 9.2 & 10