StarTech.com 2 Port PCIe RS232, RS422, RS485 Serial Card

The StarTech.com 2-Port Serial PCIe Card is the ideal solution to add serial communication support to a desktop computer or Small Form Factor (SFF) system. It features two DB9 ports that can independently support RS-232, RS-422, and 2/4-wire RS-485 standards, making it versatile for various serial peripheral devices. With on-board DIP switches and LED indicators, monitoring and configuring the ports is convenient and efficient.

On-board DIP switches for individual port operation in RS-232, RS-422, and RS-485 modes
Configurable power modes of 12V (1.5A per port), 5V (1.5A per port), or no power (RI) over pin 9
Ideal for a wide range of applications such as point-of-sale terminals, PLCs, factory control, medical equipment, and more
TAA-Compliant with standard and low profile brackets for compatibility with various systems
ASIX AX99100 Chipset, 16C450, and 16C550 UART compatible for reliable performance
Supports Windows 7, 8, 8.1, 10, 11, Windows Server 2016, 2019, 2022, and Linux 2.6.13 and newer