Exsys 2 Port PCIe RS232, RS422, RS485 PCIe Expansion Card

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

I/O addresses and interrupt are assigned by the operating system
Data bits is 7 and 8
Stop bits is 1 and 1.5 and 2