Add one 16650 RS232 port to your PCI Express system Features Adds one 9-pin RS-232 serial port to PCIe enabled desktop computers One 16C650 UART serial port supports 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 Supports on chip 256-byte FIFO buffers in transmit and receive path 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