Best Computer Networking Device Servers for Industrial Device Networking (2026)
Selections were evaluated for serial protocol support, security, industrial suitability, management features, and overall value for device networking use cases
The Verdict
- Best Overall: Lantronix xDirect Serial-to-Ethernet Device Server XDT2321002-01-S — Best for mixed serial ports: simple, cost-conscious RS232/RS422/RS485 bridging for straightforward device networking
This roundup covers computer networking device servers suited for industrial device networking, focusing on serial-to-Ethernet/Serial-to-IP converters and rugged converters for RS232/RS422/RS485 environments. Picks were chosen based on protocol support, security features, industrial-readiness, and overall value for typical industrial networking deployments
Top Picks
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1
Best Overall Lantronix xDirect Serial-to-Ethernet Device Server XDT2321002-01-S
Best for mixed serial ports: simple, cost-conscious RS232/RS422/RS485 bridging for straightforward device networking
Serial-to-Ethernet device server enabling RS232/RS422/RS485 connectivity. Includes 10Base-T/100Base-T interfaces and DB9F DCE pins. Customer notes provide mixed insights but no specific sentiment
- serial-to-ethernet bridge
- auto-sensing Ethernet ports
- DCE DB9F interface
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2
Lantronix 1-port Secure Serial to IP Device Server
Best for secure links: designed for serial-to-IP with built-in AES encryption for protected industrial connections
Compact 1-port serial-to-Ethernet device server with rs232/rs422/rs485 support and up to 256-bit AES encryption. PoE 802.3af + integrated HTTP server for remote management. Customer note: secure, plug-and-play serial-to-ip conversion
- 256-bit AES encryption
- PoE 802.3af support
- modbus tcp/rtu support
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3
Industrial Serial to Ethernet Converter RS422/RS485 to TCP/UDP
Best for industrial deployments: rugged serial-to-Ethernet converter focused on RS422/RS485 field applications
Serial (RS422/RS485) to Ethernet (TCP/UDP) conversion with IPv4/IPv6 dual stack. Includes protection features such as overvoltage, reverse voltage, and overcurrent protection. User insight notes no specific comments
- dual-stack IP support
- serial to Ethernet conversion
- robust protection features