Best Linux RS422 Converters

1. Gearmo RS485 to USB Adapter with LED Indicators, FTDI Chipset, Terminal Board, ESD Protection, Supports Windows 11, Linux, MacOS X, RS422 to USB Compatible, 5ft Cable

The Gearmo RS485 to USB Adapter lets you connect DB9 serial devices to USB-equipped computers easily. It’s 5ft long and works for commercial, industrial, and office use.

This adapter is industrial-ready with 600W surge protection and 15kV ESD isolation. It supports baud rates up to 1Mbps and has durable construction for critical operations.

LED indicators show Power, TX, and RX for quick testing. It’s compatible with Windows, Linux, and macOS and includes a terminal board for easy wired connections.

2. Gearmo USB to RS485 Converter with LED Indicators, FTDI Chipset, Terminal Connectors, ESD Protection, Wide OS Support, RS422 Compatible

The Gearmo USB to RS485 Converter is a compact and reliable tool for industrial and office use. It features LED indicators for easy testing and secure terminal connectors. With FTDI Chipset, it works seamlessly across Windows, Linux, and macOS.

It offers 600W surge protection and 15kV ESD isolation, ensuring durability in demanding environments. Gearmo’s USA-based support provides engineering assistance for smooth integration.

3. Jhoinrch USB to RS485 RS422 Converter Adapter

The Jhoinrch USB to RS485 RS422 Converter Adapter is a reliable tool for connecting industrial equipment to computers. It bridges the gap between RS485/422 interfaces and USB ports, enabling smooth communication for automation and data acquisition.

It’s easy to use, works with Windows, Linux, and macOS, and has built-in protection for long-lasting performance. Its open design makes it customizable and user-friendly.

4. Plinkwirekb Industrial 4 in 1 USB to RS232 RS485 RS422 TTL 3.3V 5V Serial Converter with FTDI FT232RNL Chip USB 2.0 A to Terminal Block Adapter COM Port for Windows, Linux, Android, MacOS

The Plinkwirekb Industrial 4-in-1 USB Converter is a versatile tool for serial communication. It connects USB to RS232, RS485, RS422, and TTL easily. Perfect for industrial and embedded systems.

It uses original FTDI chipsets for reliable performance. Works with Windows, Linux, Android, and MacOS. No external power needed—just plug and play.

Made with durable, wear-resistant materials. Features LED indicators for real-time monitoring. Ideal for labs, field testing, and control cabinets.

5. BOJKEON USB to RS485 RS422 Converter Adapter with TVS Protection, CH341 Chip for Modbus Communication, Support Windows11/10/8/7/XP, Linux, Mac OS (USB to RS485/422)

The BOJKEON USB to RS485/422 Converter is plug-and-play ready. It works with Windows, Linux, Mac, and more. Connect in seconds, no hassle.

Built tough for industrial use, it has TVS, ESD, and surge protection. Keeps your equipment safe from damage. Perfect for demanding environments.

Powered by the CH341 chip, it sends data up to 1200 meters. Automatic data flow control makes it easy to use. Includes clear wiring instructions for setup.

6. DSD TECH SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus

The DSD TECH SH-U11 is a USB to RS485/RS422 converter designed for industrial use. It lets you connect RS485 or RS422 devices directly to your computer’s USB port with ease.

It features a built-in FTDI FT232R chip, ensuring smooth driver compatibility across Windows, Linux, and Mac OS. No more worrying about driver issues or system compatibility.

Power and transceiver indicators show the device’s status at a glance. DSD TECH offers permanent technical support and a 1-year replacement service.

7. DTECH RS232 to RS485 RS422 Serial Communication Data Converter Adapter Mini-Size

The DTECH RS232 to RS485/RS422 Converter is a pro-grade adapter for serial communication. It lets you connect RS485 or RS422 devices directly to a COM port. This mini-size adapter is easy to use and reliable.

It’s the best solution for serial port to RS485/RS422 communication. The unique charge pump drive technology works without external power. It supports three-wire communication (TXD, RXD, GND) and no serial port setup is needed.

This adapter supports baud rates up to 115.2 Kbps and automatically senses signal rates. It works over distances up to 4000ft (1200m), making it ideal for long-range connections.

8. OIKWAN USB to RS485/RS422 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac 6 Feet

The OIKWAN USB to RS485/RS422 Converter connects computers to RS-485/RS-422 devices easily. It supports two-way data transfer for smooth communication.

It works with Windows, MacOS, and Linux systems. Newer systems need no drivers, but older ones require a quick manual install.

This adapter uses dual chips for stable, long-distance transmission up to 1200 meters. It supports 4 modes and automatic protocol switching.

9. UOTEK USB Type-C to RS422 RS-485 Serial Port Converter Adapter Cable with FTDI chip Support Win2000/2003/2008/2012/XP/Vista/7/8/8.1/10/CE/Mac/Linux with ESD Protection

The UOTEK USB Type-C to RS422/RS485 Converter is a reliable industrial-grade adapter. It uses a high-performance FTDI chip for strong compatibility. This makes it perfect for devices like modems, barcode machines, and CNC tools.

It offers 600W surge protection and 15KV ESD isolation. These features keep your equipment safe from electrical damage. LED indicators show the communication status clearly.

The adapter supports Windows, Mac, and Linux systems. It works with baud rates up to 921,600bps. This ensures smooth and efficient data transfer.

10. XMSJSIY RS232 to RS485/RS422 Converter Serial Communication Data Adapter

The XMSJSIY RS232 to RS485/RS422 Converter is a versatile adapter for serial communication. It works seamlessly with both RS485 and RS422 modes. No need for manual switching—it adapts automatically.

This passive converter has surge protection and can connect to external power. It works even without power from signal lines, making it reliable and safe.

It’s compatible with industry standards and supports full and half-duplex modes. Widely used in industrial systems, it ensures smooth data flow for various applications.