4 Port Serial Mini PCIe Controller Card (RS-232)

Multi-port RS-232 Automatic RTS/CTS or DTR/DSR hardware flow control with programmable hysteresis Automatic Xon/Xoff software flow control ?? This 4 port mPCI-Express serial card turns any mini PCI-E slot into two RS232(DB9) serial ports. Use this quick solution to add legacy serial support for embedded systems. Take full advantage of PCI-E capability by providing speed and reliability while reducing load to the system. Useful for Point-of-Sale systems, Remote Access Servers, and more.