EXSYS 4S Serial RS-232 ExpressCard interface cards/adapter

4S Serial RS-232 ExpressCard The ExpressCard I/O adapter provides 4 high performance 16C950-type UART compatible RS-232 serial ports. It is designed for Notebook to provide instant COM port expansion via the ExpressCard Bus. The card is fully PCI Express Plug-and-Play compatible and no IRQ and I/O address conflict problems. With the EX-1374 it s included a ExpressCard Kit 34/54mm (EX-10000) what give the ExpressCard a lateral stability.