1 、 Completely compatible with Universal Serial Bus Rev.1.1
2 、 Support RS-485/422 interface
3 、 RS-422/485 with DB9 pin-type connecter
4 、 Automatic direction control of transmitting data (TXD),
　 　zero-atency time design
5 、 Up 1Mbps transmission speed
6 、 Support auto-handshake protocol
7 、 Support remote wakeup and power management
8 、 Power by USB bus, no need external power
9 、 Adaptive to Windows95/98/2000/XP/NT.IMAG