Brainboxes 1 Port RS-422/485 Serial Adapter - 1 x 9-pin DB-9 Male RS-422/485 Serial

Universal PCI providing one RS422/485 serial port. Up to 921,600 data transfer rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your laptop/PC.