Add two 16650 RS232 ports to your PCI Express system Features Adds two 9-pin RS-232 serial ports to PCIe enabled desktop computers Two 16C650 UART serial ports support data transfer rate up to 250Kbps Compliant with PCI Express 2.0 Gen 1 Single-lane (x1) PCI Express End-point Controller with PHY integrated Full serial modem control with hardware and software flow control Supports 5, 6, 7, 8 and 9-bit serial formats Supports Even, Odd, None, Space and Mark parity On chip 256-byte FIFO buffers in transmit and receive path for each serial port Works as either standard RS-232 port or with 5V or 12V power output for devices that require power (such as handheld scanners, table scanners, POS displays and many more). Configurable via jumpers Supports PCI Bus Power Management Interface Specification Revision 1.2 Dual profile design installs into both full-size and low-profile system chassis with the included mounting brackets Installs into any PCI Express slot of any lane width Perfect solution to connect with POS system, industrial testing and control device, security system, logistic management equipment, printers, scanners, etc