Waveshare Industrial Serial Server RS485 to RJ45 Ethernet, TCP/IP to Serial Rail-Mount Support


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SKU: 1174826
  1. Terminal RS485 interface
  2. Support 32 slave devices
  3. Baud rate support 300~115200bps
  4. Support MQTT gateway function.
  5. Operating temperature -40~85℃




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Category: USB Interface Module

This is an RS485 device data acquisitor / IoT gateway designed for the 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 ports, uses screw terminals for power input, and supports a 9~24V wide-range power supply. 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.

Useful link: 

For more information, please refer to the link.


  1. Guide rail design: suitable for installation inside cabinets in the industrial field
  2.  Small size: Compared with the ordinary serial server, the width is smaller and does not take up space
  3. Terminal type power supply, 9~24V wide voltage input, with reverse power protection
  4. Terminal RS485 interface, supports 32 slave devices, baud rate support 300~115200bps
  5. Support MQTT gateway function.
  6. Support JSON to Modbus RTU and 645 instrument protocol, support HTTP POST, and HTTP GET format to upload data.

Package Includes:

1 x RS485 TO ETH (B)


SKU: 1174826 Category:
Ethernet RJ45 interface

2 KV surge protection

Serial port


Baud Rate


Check Digit

None, Odd, Even, Mark, Space

Data bits

5~9 bits




9~24V DC

Operating Temperature


Storage Temperature


Humidity Range

5~95% relative humidity

Dimensions (L x W x H) mm

87 × 36 × 59

Shipment Weight

0.113 kg

Shipment Dimensions

14 × 10 × 4 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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Questions and answers of the customers

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    Q Can it connect to AWS using certificate?
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Country Of Origin: China