Lantronix 2 Port Serial to IP Ethernet Device Server - Reliable Serial

In this review of the Lantronix 2 Port Serial to IP Ethernet Device Server, the bottom line is straightforward: it is for technicians and integrators who need to bring legacy RS232, RS422 or RS485 serial equipment onto an Ethernet network with minimal fuss. The reviewer found the UDS2100 particularly useful when a stable, compact device server is required to connect industrial controllers, point of sale terminals, or building automation hardware to a 10/100Mb LAN. Its support for two serial ports and multiple serial standards makes it a practical, no-nonsense bridge for mixed serial environments.

Key Features

• Two serial ports: Provides independent connections for two legacy devices so multiple serial peripherals can be networked without additional converters.
• Multi-protocol serial support: Works with RS232, RS422 and RS485 signals so it adapts to a wide range of industrial and commercial serial equipment.
• 10/100Mb Ethernet: Integrates into modern networks at standard LAN speeds for straightforward connectivity and predictable data flow.
• Compact device server design: Saves rack or shelf space and mounts easily near the equipment it connects, simplifying wiring runs.
• Stable serial-to-IP bridging: Converts serial data to IP reliably for remote access, monitoring, and control of legacy devices.

Who It's For

The UDS2100 is aimed at IT professionals, systems integrators, and maintenance technicians who need a dependable way to bring older serial hardware onto an Ethernet network without redesigning systems. It is well suited for factory floors, machine control, kiosks, retail terminals, and building management systems where RS232/422/485 devices remain in service.

Users seeking modern USB-only connectivity, advanced management features like large-scale cloud provisioning, or integrated cellular backup should look elsewhere. This product focuses on straightforward, local serial-to-IP functionality rather than a broad feature set of enterprise device management.

Pros & Cons

Pros

• Supports multiple serial standards, making it flexible for mixed equipment environments.
• Two independent serial ports let you network two devices without extra hardware.
• 10/100Mb Ethernet offers standard LAN speeds and easy integration into existing networks.
• Compact and simple form factor reduces installation complexity in tight spaces.

Cons

• Not intended for users who need cloud-native device management or cellular connectivity out of the box.
• Feature set is focused on core device-server functionality rather than advanced analytics or UI features.

Specifications

Product	Device server, 2 ports
Serial interfaces	RS232, RS422, RS485
Ethernet	10Mb LAN / 100Mb LAN
Model family	UDS2100 two port
Power	US domestic 110 VAC
Ports	2 serial ports

Our Verdict

The Lantronix UDS2100 is a practical, no-frills serial to IP device server that does exactly what it promises: connect RS232/RS422/RS485 equipment to a 10/100Mb Ethernet network. For integrators and maintenance teams managing legacy devices it offers solid value because of its dual ports and multi-standard support, though buyers needing cloud services or cellular failover should consider other options.

Frequently Asked Questions

Can this device support both RS232 and RS485 at the same time?
Yes, it provides two independent serial ports that can be configured to operate as RS232, RS422 or RS485 as required by each connected device.

Will it work on a modern Ethernet network?
Yes, it supports 10Mb and 100Mb LAN speeds for integration into standard Ethernet environments.

Is this unit powered for US outlets?
Yes, the product is specified for US domestic 110 VAC power.