Universal Serial board provides four RS422/485 serial ports with transient spike protection
Data transfer rates up to 921,6000 baud rates, 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers, deliver uncompromising performance
4 port RS422/485 Up to 921,600 baud DB9 connector （9 pin male） Drivers for all popular operating systems Lifetime support ＆ warranty
