Waveshare Industrial serial server, RS232 to RJ45 Ethernet Module


In stock

SKU: 1486398
  1. Rail-mount RS232 serial server
  2. Bi-Directional Transparent Data Transmission Between RS232 And Ethernet
  3. Easy To Combine Multi Rail-Mounted Serial Server Together, More Freely
  4. Supports TCP Server / TCP Client / UDP Mode / UDP Multicast
  5. More Flexible Conversion Between Different Protocols
  6. Easy For Cloud Communication And Device Identification



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Category: USB Interface Module

RS232 to RJ45 Ethernet Module

This is an RS232 device data acquisitor / IoT gateway designed for an industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS232 to JSON, etc. The module features RS232 and an Ethernet port and uses screw terminals for power input. The rail-mount case design is small in size and easy to install. It is very suitable for collecting all kinds of RS232 instruments and sensors in the industrial field, including the collection of local networks or the autonomous collection and delivery of uploaded cloud servers.


  • As an IoT gateway, it serves as a communication bridge between devices and the cloud.
  • Power, smart meters, and energy consumption monitoring.
  • Remote monitoring and program download of various types of automation PLCs.
  • Various configuration software and device communication interfaces.
  • Internet of equipment in the field of access control security.


  1. Supports TCP server, TCP client, UDP mode, and UDP multicast. As a TCP client, it also supports TCP server-side functions. Supports 30 TCP connections as a TCP server and 7 destination IPs as a TCP client.
  2. Supports the baud rate of 1200~115200bps, the data bit supports 5~9 bits, and the parity bit can be no check, odd check, even check, mark, or space.
  3. Support the function of sending MAC address on device connection, which is convenient for cloud management of devices.
  4. Provides a secondary development kit DLL development library for computer-side search and configuration of devices.
  5. Support Web browser configuration, support DHCP dynamic acquisition of IP, DNS protocol connection name server addresses.
  6. Support remote search for devices, configure device parameters, and upgrade device demos in the cloud.
  7. Support remote viewing of the TCP connection status, serial port data sending, and receiving the status of the device through software. The virtual serial port supports the data monitoring function.

Package Includes:

1 x Waveshare Industrial serial server RS232 to RJ45 Ethernet Module


SKU: 1486398 Category:

Serial server, Modbus gateway, MQTT gateway

Basic Function

Bi-directional transparent data transmission between RS232 and Ethernet

Communication Interface

RS232 port x 1, Ethernet port x 1

Power Supply Screw terminal

DC 6~36V Screw terminal DC 6~36V or PoE Ethernet port


Common Ethernet port
10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection

Isolation Protection

Power isolation, signal isolation protection

Serial Port

Isolated RS232

Baud Rate

300 ~ 115200 bps

Parity Bit

None, odd, even, mark, space

Data Bit

5 ~ 9 bit

Flow Control

No flow control



Config Method

Host, web browser, device management functions library

Communication Methods

TCP/IP direct communication, VCOM

Operating Mode

TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast

Operating Temperature

-40℃ ~ 85℃

Humidity Range

5% ~ 95% relative humidity


L × W × H:87 × 36 × 59 mm



Shipping Weight 0.6 kg
Shipping Dimensions 20 × 10 × 6 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China