RS232/485 to WiFi/Ethernet Module (Modbus/MQTT Gateway)

This serial server combines functions like a serial server, Modbus gateway, and MQTT gateway, and also enables serial port data to be converted to HTTPD Client. With interfaces for RS232, RS485, WiFi, and Ethernet, it supports various data transfer methods, including from serial port to WiFi and Ethernet to WiFi. It includes multiple power supply interfaces, accepting a wide range of 6~36V, and has an optional PoE function. Its metal case allows for both wall-mount and rail-mount installations and its compact size makes it easy to install. It is ideal for data acquisition and serving as an IoT gateway in safety and security projects. We also stock a PoE version here Note: The power supply is NOT included, it is recommended to use this 12V Power Adapter Features

* RS232/485 to Network

* Multi Transparent Transmission Modes

* HTTPD/MQTT

* Modbus Gateway

* RJ45 Ethernet Port

* Host/Webpage/Serial Configuration

* Wall-Mount and Rail-Mount Support

Specifications

Power supply DC 6~36V

Power supply method DC 5.5 power port, screw terminal

Dimensions

(L x W x H) 84.00 x 64.00 x 24.00mm

Communication

Ethernet 10 / 100M auto-negotiation RJ45 connector

WIFI 802.11b/g/n compliant

Serial port RS232 (ESD/EFT)

RS485 (ESD/EFT/surge protection)

Wireless Specifications

Frequency Band 2.412 ~ 2.484 GHz

Wireless network Station / AP / AP+Station Mode

Security mechanism WPA-PSK / WPA2-PSK

Encryption type TKIP / AES

Transmitting power 802.11b: +19dBm (Max.@11Mbps)

802.11g: +18dBm (Max.@54Mbps)

802.11n: +17dBm (Max.@HT20, MCS7); +17dBm (Max.@HT40, MCS7)

Receiving sensitivity 802.11b: -89dBm (@11Mbps)

802.11g: -81dBm (@54Mbps)

802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7)

Serial Specifications

Baudrate 300 ~ 460800 bps

Parity bit None, odd, even, mark, space

Data bit 5 ~ 9 bits

Flow control RTS/CTS

Software

Protocol TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT

Configuration Host, web browser, serial AT command

Communication method TCP/IP direct communication, VCOM

Operating mode Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU

Environment Requirements

Operating temperature -40℃ ~ 85℃

Humidity range 5% ~ 95% relative humidity

Resources

* Product Wiki

* User Manual

Pinout

Package Contents

* 1x RS232/485 Serial Server

* 1x 2.4G WiFi antenna

* 1x Rail-mount buckle

* 1x Screwdriver

* 1x Screws pack