Lindy 42844 USB to serial RS422 converter

The Lindy USB to Serial RS422 Converter (model 42844) enables connection of devices with a 9-way RS422 serial interface to a computer using a USB Type A port. The compact, USB‑bus powered adapter includes both the USB and serial connectors on a 1 m cable and is suitable for portable or fixed setups where reliable serial communication is required. It is compatible with Windows, macOS and Linux and supports hot‑swapping.

Advantages

This converter provides a straightforward way to connect legacy RS422 equipment such as barcode scanners and industrial devices to modern computers and notebooks. Its USB bus power eliminates the need for an external power supply, the 1 m cable offers flexible placement, and cross‑platform driver support ensures broad compatibility. Hot‑swap capability allows devices to be connected or replaced without rebooting the host computer.

Suitable for

• Connecting RS422 barcode scanners to PCs and laptops
• Industrial devices and controllers integration
• Retail POS systems and digital signage setups
• IT service and legacy equipment maintenance

Key specifications

• Model: Lindy 42844
• Interface: USB Type A to 9‑way RS422 serial
• Cable length: 1 m
• Power: USB bus‑powered (no external PSU)
• Compatibility: Windows, macOS, Linux
• Weight: 0.077 kg
• Colour: White
• EAN: 4002888428446

How to use

Install any required drivers for your operating system if prompted, then connect the USB Type A plug to the host computer and the 9‑way RS422 connector to the serial device. The adapter draws power from the USB port and should be recognised by the system; follow OS prompts to complete setup. After installation, configure serial port settings (baud rate, parity, stop bits) in your terminal or application to match the connected device.

Recommendations

Use a stable USB port and avoid placing heavy strain on the cable. For critical industrial applications verify baud rate and signal wiring before deployment and test communication after connecting the converter.