M.2 (B+M Key) to 4-Port RS232 Serial Card + 1 Parallel Port Expansion Card, WCH384 Chip Industrial Controller Adapter – PCIe M.2 to DB9 RS232 and DB25 Parallel Interface

★★★★★ 4.2 130 reviews

$85.49
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$85.49
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Free shipping Free 30-day returns

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Product details

Management number 215173642 Release Date 2026/04/12 List Price $34.20 Model Number 215173642
Category
  • M.2 (B+M Key) Expansion to RS232 & Parallel Ports – Converts an M.2 (B+M Key) slot into 4 RS232 serial ports and 1 parallel port (DB25), allowing flexible connectivity for industrial equipment, CNC machines, and legacy printers.
  • High-Performance WCH384 Chipset – Equipped with the WCH384 controller, ensuring stable communication, accurate signal transmission, and strong compatibility with Windows and Linux operating systems.
  • Wide Serial Configuration Support – Supports data bits 5, 6, 7, 8, stop bits 1 or 2, and parity modes Even, Odd, Mark, Space, None—ideal for precise serial device communication and custom system integration.
  • Durable Industrial-Grade Design – Designed for continuous operation with a temperature range of -40°C to 85°C, ensuring stable performance in harsh environments; compact PCB (main board 22×80mm / 0.87×3.15in, sub board 45×67mm / 1.77×2.64in).
  • Plug & Play, Broad Compatibility – Compatible with Windows 7/8/10/11, Linux, and embedded systems. Perfect for applications such as POS terminals, industrial automation, serial monitoring, and parallel printer control.

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