EXSYSEX-42034IS4 Port PCI RS232, RS422, RS485 Serial Card

The Exsys PCI I/O card provides four serial RS-232, 422 or 485 high performance UART 16C550 outputs with 15KV ESD Surge Protection and 2.5KV Isolation. It is designed to expand four additional serial ports for PC, small workstation or server via PCI- oder PCI-X Bus. The card is fully plug-and-play compatible. It supports the ATTA Auto RS-485 transmitter features.

Data bits are 7 and 8

IO addresses and interrupt are set from the operating system