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 Exsys GmbH PCIe 4S serial RS-232 card (EX-46024) offers an efficient solution for expanding the serial ports on your PC, small workstation, or server via the PCIe bus. With four high-performance RS-232 UART 16C550 outputs, you can easily connect and manage multiple devices. The innovative design of the EX-46024 allows for the connection of up to four devices using an octopus cable, requiring only the space of a slot bracket. This saves valuable space in your computer case and enables a smooth installation. The four 9-pin connectors provide you with the flexibility to connect various devices such as POS systems, modems, printers, or other serial devices. The card is equipped with a robust and durable ASIX chipset that ensures reliable performance and fast data transfer. Additionally, the EX-46024 comes with a low-profile bracket specifically designed for narrow computer cases with a height of up to 8 cm. This gives you the option to flexibly install the card in various systems. Discover the versatile possibilities of the Exsys GmbH PCIe 4S serial RS-232 card (EX-46024) and enhance your connectivity in a professional manner.