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Ethernet / Serial Device Servers

Advantech serial device servers and gateways convert legacy protocols and interfaces to networks, satisfying your industrial communication needs.

Protocol & Interface Conversion Solution

Advantech offers numerous wired and wireless products to convert different legacy protocols and interfaces to modern networking systems to avoid a complete overhaul of existing equipment & devices, saving cost and avoiding software programming errors.

Advantech serial device servers and Modbus/Fieldbus gateways are serial-to-Ethernet solutions that allow users to connect their isolated serial devices to the Internet for centralized machine communication management.Advantech high compatibility device servers and Modbus/Fieldbus gateways can seamlessly convert protocols for boundless machine-to-machine/ machine-to-cloud data transmission and network connectivity. The obstacles of versatile protocol communication no longer exist!

Feature Highlights

Converting Between Serial and Ethernet Connectivity

Advantech device servers convert RS-232/422/485 connections to Ethernet connection, allowing for seamless communication between traditional serial-based devices such as PLC, meters, sensors, and barcode readers to an IP-based Ethernet device.

High Compatibility with Various Serial Transmission Speed

Connect to nearly any 3rd-party serial devices without baud rate limitation, fulfilling a true machine-to-machine communication and machine-to-cloud connectivity.

Embedded Analysis Tool for Device Deployment Efficiency Enhancement

    The device servers can auto-detect and categorize the connected devices based on their baud rate settings, making sure a seamless communication at ease.

Multi-Port Design for Future Expansion

Advantech serial-to-Ethernet solution consists of 1/2/4/8/16-port serial-to-Ethernet devices that build users a high-scalability network deployment for flexible future expansion.


Advantech's serial device servers, Modbus gateways and Fieldbus gateways provide several mounting methods to fit the varying needs of different projects in the field.

Advantech IoT Academy

Serial Communication Concept

Understand various common serial communication interfaces and principles, including RS-232/422/485, and CAN bus.

Take course                     

EKI-1220 series for Modbus to Ethernet protocol conversion 

In this course, you will be learning basic knowledge of EKI-1200 series Modbus gateway product features, advantages and also the field of application

Take course                    


EKI-1500 series for serial-to-Ethernet protocol conversion

We will introduce the basic knowledge and features of Device Server and share some practical application scenario. We will introduce the basic setting function of Device Server.

Take course                     

Wi-Fi Access Point & Client: EKI-6000 & EKI-1361 Series  

In this course, you will go through Advantech product roadmap of EKI-6300/EKI-1360 series.

Take course                    


Product Categories

  • Serial Device Servers

    Advantech's device servers offer cost-efficient solutions for your RS-232/422/485 connectivity and conversion challenges in industrial automation.

  • Wireless Device Server

    Advantech's wireless device server bring RS-232/422/485 to your WLAN or LAN, allowing devices with a serial ports to be connected and shared on WLAN.

  • Modbus Gateways

    Advantech Modbus Gateway offers a convenient solution for controllers running the Modbus serial protocol (Modbus RTU/ASCII ) to Modbus TCP networks.

  • USB Device Server

    Advantech USB serial device server allows PC users to connect serial devices via a LAN to systems. They allow access from anywhere on your network.

  • Console Servers

    Advantech console server delivers a simple, cost-effective way to achieve secure access and out-of-band management.

Related Materials

Featured Highlights

  • Advantech Industrial Intelligent Connectivity Solutions

    Advantech Industrial Intelligent Connectivity Solutions

    Advantech integrates technologies, such as time-sensitive networking (TSN), 5G, and Wi-Fi 6, with existing Modbus, Fieldbus, and Ethernet capabilities to provide seamless connectivity via industrial switches, routers, gateways, media and serial converters.