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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 serial device servers are easy to install and configure. They also support wired and wireless networking and provide various operation modes to satisfy rigorous industrial automation needs. Our dual/single Ethernet wired serial device servers bring RS-232/422/485 to your LAN, with various choices of 1–16 serial ports and DIN-rail configurations to suit your rugged field environment.

  • Wireless Device Server

    Advantech’s wireless device server brings RS-232/422/485 to your WLAN or LAN. Allowing nearly any device with a serial port to be connected to and shared on a WLAN, our wireless device server provides a quick, simple, and cost-effective means of bringing the advantages of remote management and data accessibility to thousands of devices that would otherwise be unable to connect to a network.

  • Modbus Gateways

    Fully compliant with Modbus/TCP, our Modbus gateway offers a convenient solution for connect existing devices or controllers running the Modbus serial protocol (Modbus/ASCII or Modbus/RTU) to an Ethernet network. Featuring built-in Ethernet switches, Advantech’s Modbus gateways provide transparent connectivity between Modbus/ASCII, Modbus/RTU serial devices, and Ethernet-based Modbus/TCP equipment.

  • USB Device Server

    Advantech’s USB serial device server allows PC users to connect serial devices via a LAN to systems that use USB interfaces such as USB monitors, printer, and scanners. USB-to-LAN serial device servers enhance user-intuitiveness and efficiency while cutting hardware requirements and other costs, and they enable the immediate conversion of connected devices, thus 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.

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