PX-320 - Brainboxes 1PORT DB9 SER PCIE 1XRS422/485 PX-320 - Brainboxes 1PORT DB9 SER PCIE 1XRS422/485 $361.94 $201.08
PX-324 - Brainboxes FULL HEIGHT PCI EXPRESS 1XRS422/485 1MBD PX-324 - Brainboxes FULL HEIGHT PCI EXPRESS 1XRS422/485 1MBD $374.22 $207.90
Brainboxes 4PORT PCIE RS422/485 PX-346 PCI Express Card providing 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 1Mbit/s line drivers... $699.77 $388.76