Exsys 4 Port PCI RS232, RS422, RS485 Serial Card

The Exsys PCI I/O card provides four serial RS-232, 422 and 485 high-performance UART 16C550 outputs. It is designed to expand four additional serial ports for PCs, small workstations or servers over the PCI or PCI-X bus. +5V and +12V can be configured on pin 9 of the serial connectors as POS system (Power over System). The card is fully Plug-and-Play compatible. It supports the ATTATM Auto RS-485 transmitter features.

Data bits are 7 and 8
IO addresses and interrupt are set from the operating system