2-Port PCIe RS232 Serial Adapter Card - StarTech.com, DB9, Windows/Linux, TAA

The StarTech.com 2-Port PCIe RS232 Serial Adapter Card is designed to add two serial ports to a computer via a PCIe slot. It uses a single-chip design with ASIX MCS9922CV-AA UART, offering high performance and reduced CPU load. This card is ideal for users needing reliable serial communication in industrial or specialized environments.

Each port supports bi-directional RS232 speeds up to 460.8Kbps with a 256-byte FIFO buffer, ensuring efficient data transfer. The card allows individual configuration of power options on pin 9, including 12V, 5V, or no power, making it adaptable to various device requirements. It supports both standard and low-profile brackets for flexible installation in different computer cases.

The card is compatible with multiple operating systems, including various Windows versions and Linux kernels. It is suitable for use in point-of-sale terminals, PLCs, factory automation, medical equipment, and scientific instruments. The inclusion of low-profile brackets ensures compatibility with compact systems and servers.

Installation is straightforward, with the card coming pre-installed with a standard bracket and additional low-profile brackets included. It is recommended for users who need to connect legacy serial devices to modern computers with PCIe slots. The product is a replacement for the PEX2S552 model and is backed by StarTech's reliability.

Brand: StarTech.com
Model: PEX2S553
Specifications: 2x DB9 ports, PCIe interface, ASIX MCS9922CV-AA UART, 460.8Kbps speed per port, 256-byte FIFO buffer, compatible with Windows and Linux
Features: Low-profile bracket included, configurable power options, single-chip design, compatible with PCIe slots