- 4 port RS422/485
- 128 byte Tx and 128 byte Rx FIFOs
- D89 connector
PCI Express card provides four RS422/485 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1 Mbit/s line drivers deliver uncompromising performance on your PC.