PCIe card with 4 serial RS-232 ports. Connection via PCI Express (x1 to x16), powered through the PCIe slot. 4x 9-pin serial connectors (RS-232). PCIe interface compatible with 2.0 Gen1 specifications. I/O address and interrupt assignment by the operating system. RS-232 signals TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND. The EX-46014 PCIe I/O card offers remarkable performance with four serial RS-232 high-performance UART 16C550 outputs. With this card, you can expand your PC, small workstation, or server with four additional serial ports via the PCIe bus. The compact design of the card includes four 9-pin connectors mounted on two slot brackets. For slimmer computers, four low-profile brackets are also included. This provides you with a variety of connection options to easily connect your serial RS-232 devices. The EX-46014 PCIe I/O card is designed to enhance your productivity and provide you with a simple and efficient connection. With its outstanding features and top-notch craftsmanship, this card delivers reliable performance and fast data transfer. Expand your possibilities and benefit from the Exsys EX-46014 4S serial RS-232 PCIe card, a high-quality solution that offers you additional connections and seamless connectivity options. Invest in quality and unlock the full potential of your devices.