Industrial Grade Serial Server RS232/485 To WiFi and PoE Ethernet

WaveshareSKU: WAV-25223
Sale price £32.20
incl. VAT
excl. VAT
Only 9 units left

Awesome Extras

The Pi Hut12V 2A Power Supply with 2.1mm Barrel Jack
Sale price £13.30 incl. VAT excl. VAT

The RS232/485 to PoE Ethernet server serves as a serial server, Modbus gateway, MQTT gateway, and a serial port to HTTPD Client, facilitating seamless data transmission and acquisition in complex environments. Equipped with RS232, RS485, WIFI, and ethernet interfaces, it provides various data transfer configurations such as serial port to WIFI, serial port to ethernet, and ethernet to WIFI.

It supports a wide range of power supplies from 6 to 36V and includes a Power over Ethernet (PoE) function for the reduction of power outlets. Housed in an industrial-grade metal case, it offers options for wall-mount and rail-mount installations, making it compact and easy to set up. Ideal for data acquisition, IoT gateway implementations, safety & security IoT, and intelligent instrument monitoring, this server provides reliable performance in demanding settings.

We also stock a standard RJ45 version here

Note: The power supply is NOT included, it is recommended to use this 12V Power Adapter


  • Industrial Grade
  • RS232/485 to PoE
  • Multi Transparent Transmission Modes
  • Modbus Gateway
  • RJ45 Ethernet Port
  • Wall-Mount and Rail-Mount Support


Power supply DC 6~36V/ PoE Port
Power supply method DC 5.5 power port, screw terminal, or PoE Port
(L x W x H) 84.00 x 64.00 x 24.00mm
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
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



Package Contents

  1. 1x RS232/485 TO WIFI POE ETH (B)
  2. 1x 2.4G WiFi antenna
  3. 1x Rail-mount buckle
  4. 1x Screwdriver
  5. 1x Screws pack

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