Note: This is a pre-owned Moxa NPort 5110 Serial Device Server, it does not include any warranty whatsoever.

Still relying on a serial device that’s tucked away in a control panel on the other side of the factory?

Every time you need to configure it or troubleshoot an issue, you end up:

• Leaving your workstation
• Walking across the factory floor
• Connecting directly to the device
• Sending commands manually

It wastes valuable time and slows down maintenance.

Now imagine your PLC, SCADA system, or industrial PC needs to communicate with that same serial device over your Ethernet network. The problem? Yeah that legacy device, the one that’s been on the factory floor for 15 years, it doesn’t have a ethernet port or wifi…

Bring Your Serial Devices onto the Network

The Moxa NPort 5110 is a 1-port RS-232 Serial Device Server that bridges the gap between serial and Ethernet networks. It allows virtually any RS-232 device to communicate over a standard TCP/IP network without modifying your existing equipment.

Whether you’re connecting:

• Barcode scanners
• Weigh scales
• PLCs
• HMIs
• Card readers
• Payment terminals
• Industrial sensors
• Legacy serial equipment

the NPort 5110 makes them instantly network accessible.

Instead of physically connecting to the device, you can securely send and receive serial data across your Ethernet infrastructure from anywhere on your network.

Key Features

• 1 x RS-232 DB9 Serial Port
• 1 x 10/100 Mbps Ethernet RJ45 Port
• Baud rates from 110 bps up to 230.4 kbps
• Wide 12 to 48 VDC power input
• Compact industrial metal housing
• Desktop, wall mount, or optional DIN-rail installation
• Built-in 1.5 kV Ethernet magnetic isolation
• Industrial operating temperature of 0°C to 55°C

Flexible Communication Modes

The NPort 5110 adapts to virtually any application with multiple operating modes.

• Real COM Mode allows legacy Windows applications to communicate as though the serial device is plugged directly into the PC.
• TCP Server Mode lets remote clients establish connections to the serial device.
• TCP Client Mode automatically connects to a predefined server.
• UDP Mode provides fast, connectionless communication for lightweight applications.
• Reverse Telnet offers convenient remote terminal access.
• Pair Connection Mode creates a transparent serial tunnel between two devices.

Broad Operating System Support

The NPort 5110 is designed to fit seamlessly into almost any industrial environment.

Supported platforms include:

• Windows 11 through legacy Windows versions
• Windows Server
• Linux
• macOS
• Android
• VMware virtual environments
• ARM-based industrial platforms

This makes integration straightforward, whether you’re deploying new equipment or maintaining existing systems.

Documentation

For full specifications, please refer to the official Moxa documentation.

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