Lantronix UDS1100: One-Port Serial to IP Device Server (RS232/RS422/RS485) for Ethernet Networking

The Lantronix UDS1100 is a compact, UL864-listed serial-to-Ethernet device server designed to modernize and streamline how you connect legacy serial equipment to IP networks. By turning a single RS232, RS422, or RS485 serial port into a secure, remotely accessible Ethernet endpoint, the UDS1100 enables centralized monitoring, remote management, and seamless integration with your existing IT and OT infrastructure. Ideal for SCADA, industrial automation, point-of-sale systems, instrumentation, and building automation, this device bridges the gap between old-school serial devices and current networked environments. Its US domestic 110VAC power compatibility makes it straightforward to deploy in a wide range of facilities, from small plants to large campuses. The UDS1100 is built for reliability, offering robust performance in demanding environments while keeping configuration simple through a web-based interface and straightforward serial settings. Whether you need transparent serial tunneling, remote data access, or quick deployment across multiple sites, the UDS1100 delivers the connectivity and control you require to optimize operations, reduce downtime, and improve data visibility across your network.

• Single-port serial to Ethernet with RS232, RS422, or RS485 compatibility provides flexible integration for a wide range of devices. This one-port device server converts serial data into IP packets, enabling remote access, monitoring, and control over existing equipment without modifying your hardware. It is a cost-effective solution for connecting legacy machines to modern networks, supporting a variety of serial topologies and communication standards to fit your exact setup.
• Remote management and monitoring via a web-based interface and network-connected tools lets you configure, monitor, and troubleshoot serial devices from anywhere on the LAN or over a secure WAN. This capability is essential for reducing site visits, accelerating maintenance, and enabling proactive issue resolution. The UDS1100 supports straightforward diagnostics, status visibility, and reliable data delivery to SCADA systems, MES, or enterprise applications.
• Easy integration with IT and OT networks through DHCP or static IP addressing, flexible port mapping, and standard Ethernet connectivity. The device supports common networking practices, enabling rapid deployment in mixed environments. By exposing a serial port as an IP endpoint, you can route data to servers, historians, or cloud platforms with minimal configuration, aligning serial devices with modern data workflows.
• rugged, compliant design for industrial use with UL864 listing and 110VAC power compatibility ensures reliable operation in commercial and industrial settings. The compact, fanless enclosure is designed to endure continuous operation in challenging environments, delivering steady performance and long-term stability for critical serial connections that power automation, instrumentation, and monitoring systems.
• Versatile use cases across industries including SCADA, PLC peripherals, POS terminals, test equipment, and remote telemetry. The UDS1100 enables efficient data collection, remote configuration, and alerting from serial devices, letting you modernize workflows without replacing all existing equipment. Its adaptability makes it a staple for engineers seeking to extend the life and reach of legacy devices while embracing IP-based data access.

Technical Details of Lantronix UDS1100

• Serial Interface: 1-port support for RS-232, RS-422, or RS-485 (configurable to match device requirements)
• Network Interface: 10/100BASE-T Ethernet for reliable LAN/WAN connectivity
• Power: 110 VAC (US domestic power) designed for standard facility power supplies
• Compliance: UL864-listed device server for building automation and safety-approved installations
• Management: Web-based configuration and monitoring interface for quick setup and ongoing control
• Security: Network-enabled access to serial data with straightforward authentication and management options

How to install Lantronix UDS1100

Installing the UDS1100 is a straightforward process that gets serial devices online with minimal downtime. Start by verifying that you have a serial device with RS-232, RS-422, or RS-485 interfaces and an Ethernet-enabled network ready to host the device server. Ensure you have the correct serial cable or adapters needed to connect your equipment to the UDS1100’s serial port. Then follow these general steps to bring the device into service:

1) Connect the serial device to the UDS1100 using the appropriate cable. Confirm the connection is secure and that the device’s serial settings are compatible with the UDS1100’s default or configured settings.

2) Attach the UDS1100 to your network via an Ethernet cable to the router, switch, or network gear that will carry the serial data to your IT or OT systems. Ensure the network path permits the intended data flow and that there is budget for IP address assignment either dynamically (DHCP) or statically.

3) Apply power to the unit using a standard US 110VAC outlet. The device should boot and be ready for configuration. If the device includes a power supply, confirm it is securely connected and that indicators on the unit show normal operation.

4) Access the web-based management interface by entering the UDS1100’s IP address into a web browser on a device connected to the same network. If you are using DHCP, locate the assigned IP from your router’s client list or the device’s startup sequence and then navigate to the address to begin configuration.

5) Configure serial parameters to match your device: baud rate, data bits, parity, stop bits, and flow control. Set the desired IP behavior (static or DHCP), and configure port mapping or tunneling options to determine how serial data is exposed over IP. Some deployments may require TCP or UDP port mappings, vPort settings, or a raw TCP/UDP exposure depending on your application. It’s important to test the configuration with a client on the network to confirm that data is transmitted and received correctly.

6) Save the configuration and perform a functional test. Use a terminal client or SCADA/HMI software to exchange data with the serial device through the UDS1100’s IP address. Monitor for data integrity, latency, and error indicators. If issues arise, revisit the serial settings, network routes, and firewall rules that could affect traffic between the serial device and the IP network.

7) Document the setup for future maintenance. Record the IP address, serial configuration, port mappings, and any security credentials or access controls used in the configuration. This documentation will simplify troubleshooting, upgrades, and expansion to additional devices in the future.

Tip: If you are deploying multiple UDS1100 units across a facility, consider using a central configuration approach or templating the settings to ensure consistency. The web-based interface typically allows exporting and importing configuration profiles, which can accelerate rollouts and reduce configuration drift across devices.

Frequently asked questions

What is the Lantronix UDS1100 used for?

The UDS1100 is a one-port serial-to-Ethernet device server that enables RS232, RS422, or RS485 serial devices to connect to an IP network. It is ideal for remote monitoring, data collection, and control of legacy equipment within modern IT/OT environments, making it easier to integrate serial devices into SCADA systems, enterprise networks, and cloud-based applications.

How many serial ports does the UDS1100 have?

The UDS1100 provides a single serial port that can be configured for RS-232, RS-422, or RS-485. This makes it a compact, focused solution for projects that require one durable, IP-enabled serial interface.

What networks and management features does it support?

It offers 10/100 Mbps Ethernet connectivity and a web-based management interface for configuration and monitoring. The device supports standard practices for IP-based integration, such as DHCP/static IP assignment and port mapping, enabling straightforward integration with existing networks and software systems used for data acquisition, monitoring, and automation.

Is the UDS1100 UL864 listed and suitable for US domestic installations?

Yes. The UDS1100 is UL864-listed and designed for US domestic 110VAC power, making it a reliable choice for building automation, industrial facilities, and commercial environments that require certified, compliant hardware.

What are typical use cases for the UDS1100?

Typical use cases include connecting SCADA telemetry sensors, PLC peripherals, POS terminals, instrumentation, and other serial devices to IP networks. It supports remote data access, centralized logging, and integration with modern data platforms, making it a practical solution for extending the life of legacy equipment while enabling contemporary networked operations.