---
product_id: 498465998
title: "RS485 to Ethernet Converter Industrial RS485 Serial Server TCP/IP to Serial Module Modbus MQTT Gateway, Support PoE Ethernet Port Power Supply, with Power and Signal Isolation Protection, Rail-Mount"
brand: "waveshare"
price: "¥1466"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/498465998-rs485-to-ethernet-converter-industrial-rs485-serial-server-tcp-ip
store_origin: JP
region: Japan
---

# Multi-Protocol PoE Support Rail-Mount Ready RS485 to Ethernet Converter Industrial RS485 Serial Server TCP/IP to Serial Module Modbus MQTT Gateway, Support PoE Ethernet Port Power Supply, with Power and Signal Isolation Protection, Rail-Mount

**Brand:** waveshare
**Price:** ¥1466
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect, Convert, Conquer!

## Quick Answers

- **What is this?** RS485 to Ethernet Converter Industrial RS485 Serial Server TCP/IP to Serial Module Modbus MQTT Gateway, Support PoE Ethernet Port Power Supply, with Power and Signal Isolation Protection, Rail-Mount by waveshare
- **How much does it cost?** ¥1466 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/498465998-rs485-to-ethernet-converter-industrial-rs485-serial-server-tcp-ip)

## Best For

- waveshare enthusiasts

## Why This Product

- Trusted waveshare brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Connectivity:** Experience bi-directional data transmission with ease.
- • **Multi-Device Communication:** Eliminate crosstalk with intelligent multi-host roll-polling.
- • **Versatile Protocol Support:** Effortlessly convert between MQTT, JSON, and Modbus.
- • **Robust Isolation Protection:** Stay secure with electrical isolation for peace of mind.
- • **User-Friendly Configuration:** Configure effortlessly via web browser or DHCP.

## Overview

The RS485 to Ethernet Converter is an industrial-grade serial server designed for seamless bi-directional data transmission. It supports Power over Ethernet (PoE) and features robust electrical isolation protection. With versatile protocol support including Modbus and MQTT, it allows for flexible communication across multiple devices. The device is easy to configure via a web browser and is rail-mount ready, making it an ideal solution for modern industrial applications.

## Description

Overview This is a RS485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. The module features RS485 and Ethernet port(POE function), uses screw terminals for power input. Rail-mount flame-retardant case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring. Specifications 1. Features Product Type：Serial server, Modbus Gateway, MQTT Gateway Basic Function：Bi-directional transparent data transmission between RS485 and Ethernet Communication interface：RS485 port x 1, Ethernet port x 1 Power supply：6 ~ 36V DC screw terminal, or PoE port Isolation Protection：Power isolation, Signal isolation 2. Communication Ethernet：PoE network port, support IEEE 802.3af standard, 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection Serial port：Isolated RS485 3. Serial specification Baudrate：300 ~ 115200 bps Parity bit：none, odd, even, mark, space Data bit：5 ~ 9 bits Flow control：N/A 4. Software Protocol：ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS Configuration：host, web browser, device management functions library Communication method：TCP/IP direct communication, VCOM Operating mode：TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast 5. Environment requirement Operating temperature：-40℃ ~ 85℃ Storage temperature：-45℃ ~ 125℃ Humidity range：5% ~ 95% relative humidity Dimensions：L × W × H: 87 × 36 × 59 mm User Manual and Development Resources https://www.waveshare.com/wiki/RS485_TO_ETH_(B)? Package Content RS485 TO POE ETH (B) Module x1

## Features

- RS485 to RJ45 Ethernet bi-directional transparent data transmission serial server, with POE function and electrical isolation, support rail-mount, easy to combine multi rail-mounted serial server together
- Modbus gateway support, suitable for Modbus gridding upgrade, can be used with 3D configuration software. Multi communication modes, supports TCP server / TCP client / UDP mode / UDP multicast
- MQTT/JSON to Modbus, more flexible conversion between different protocols. Multi hosts roll-polling support, different network devices will be identified and responsed respectively, no more crosstalk issue while communicating with multi network devices
- User-defined heartbeat/registration packet, easy for cloud communication and device identification, NTP protocol support, getting network time info for serial output or data upload
- Multi configuration methods, supports Web browser configuration, obtaining dynamic IP via DHCP, DNS protocol connected domain server address

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Graphics Card Interface | PCI Express |
| Memory Slots Available | 2 |
| Number of Ports | 2 |
| Platform | Web Browser |

## Product Details

- **Brand:** waveshare
- **CPU Socket:** LGA 1200
- **Platform:** Web Browser
- **Model Name:** RS485 to POE Ethernet Converter
- **Main Power Connector Type:** Screw terminal
- **Graphics Card Interface:** PCI Express
- **Memory Slots Available:** 2
- **Number of Ports:** 2
- **Total Ethernet Ports:** 1
- **Manufacturer:** Waveshare

## Images

![RS485 to Ethernet Converter Industrial RS485 Serial Server TCP/IP to Serial Module Modbus MQTT Gateway, Support PoE Ethernet Port Power Supply, with Power and Signal Isolation Protection, Rail-Mount - Image 1](https://m.media-amazon.com/images/I/51XA9v2sQhL.jpg)
![RS485 to Ethernet Converter Industrial RS485 Serial Server TCP/IP to Serial Module Modbus MQTT Gateway, Support PoE Ethernet Port Power Supply, with Power and Signal Isolation Protection, Rail-Mount - Image 2](https://m.media-amazon.com/images/I/61x98vepfGL.jpg)
![RS485 to Ethernet Converter Industrial RS485 Serial Server TCP/IP to Serial Module Modbus MQTT Gateway, Support PoE Ethernet Port Power Supply, with Power and Signal Isolation Protection, Rail-Mount - Image 3](https://m.media-amazon.com/images/I/61abs+YcoBL.jpg)
![RS485 to Ethernet Converter Industrial RS485 Serial Server TCP/IP to Serial Module Modbus MQTT Gateway, Support PoE Ethernet Port Power Supply, with Power and Signal Isolation Protection, Rail-Mount - Image 4](https://m.media-amazon.com/images/I/716OFFYbNML.jpg)
![RS485 to Ethernet Converter Industrial RS485 Serial Server TCP/IP to Serial Module Modbus MQTT Gateway, Support PoE Ethernet Port Power Supply, with Power and Signal Isolation Protection, Rail-Mount - Image 5](https://m.media-amazon.com/images/I/716h3NsOvZL.jpg)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-14*