Provides 8 RS232 Serial Ports over USB Port, Provides 8 DSUB-9 Connectors Baud Rate from 75 bps to 921.6Kbps, 512-Byte Deep FIFOs for each Port Supports 5,6,7,8 Data Bits, Odd, Even, Mark, Space, or None parity mode Supports 1, 1.5 and 2 Stop Bits, Supports USB Bus Power Supports Win98, Me, XP, CE, Win2000, 2003, Vista, Win 7 32/64-Bit