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.
- Automatic RTS/CTS or DTR/DSR hardware flow control with programmable hysteresis.
- RS-485 half duplex direction control output with programmable turn-around delay.
- 2x 2-Port Serial Bracket, 1x User Manual.
- Automatic Xon/Xoff software flow control.
- Multi-port RS-232/RS-422/RS-485 Cards.