StarTech.com 2-Port Serial PCIe Card, Dual-Port RS232/RS422/RS485 Card, 16C1050 UART, ESD Protection, Windows/Linux, TAA-CompliantExpand your desktop or small form factor system with reliable, flexible serial communication using the StarTech. com 2 Port Serial PCIe Card. Designed to adapt to a variety of peripherals, each DB9 port can be independently configured to support RS 232, RS 422, and 2 or 4 wire RS 485, enabling seamless connections to modems, POS devices, industrial controllers, sensors, and other serial equipment. Built around a high performance UART core and
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