Waveshare RS232 RS485 to RJ45 Ethernet Serial Server, RS232 And RS485 Dual Channels Independent Operation, Dual Ethernet Ports, common netowrk port

(1 customer review)

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SKU: 1738088
  1. Product Type: Serial server, Modbus Gateway, MQTT Gateway
  2. Baudrate: 300 to 115200 bps
  3. Operating temperature: -40℃ to 85℃
  4. Humidity range: 5% to 95% relative humidity


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Category: USB Interface Module

This is a dual serial port device data acquisitor / IoT gateway designed for the industrial environment, 1-ch RS232 and 1-ch RS485 can work simultaneously without interfering with each other using one Ethernet cable. It combines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, RS232 RS485 to JSON, etc. The other one Ethernet port can be used as a network switch or for cascading, and the PoE* function is optional for dual Ethernet ports. Provides two power supply methods: DC port (outer diameter: 5.5mm, inner diameter: 2.1mm) and screw terminal. The case with rail-mount support is small in size, easy to install, and cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring…

* This product is a PoE receiver device (PD), it needs to be connected to the PoE power supply and get power from the PSE device to work normally.


  1. Dual RS232 and RS485 channels.
  2. Dual Ethernet ports.
  3. Simplified setup with a common network port.
  4. Enables serial devices on Ethernet networks.
  5. Remote configuration and management support.
  6. Suited for industrial automation and control.
  7. Reliable data communication solution.

Package Includes:

1 x Waveshare RS232 RS485 to RJ45 Ethernet Serial Server, RS232 And RS485 Dual Channels Independent Operation, Dual Ethernet Ports, common netowrk port

SKU: 1738088 Category:
Product Type

Serial server, Modbus Gateway, MQTT Gateway

Communication Interface

RS232 port × 1, RS485 port × 1, Ethernet port × 2

Power Supply(V)

DC 5.5 power port, 6 ~ 45V DC screw terminal


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

Baud Rate

300 to 115200 bps

Data Bit

5 to 9 bits




host, web browser, device management functions library

Operating Temperature (°C)

-40°C ~ 85°C

Humidity Range

5% to 95% relative humidity

Operating Modes

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

Shipping Weight 0.148 kg
Shipping Dimensions 11 × 8 × 3 cm
3 Months Warranty

This item is covered with a standard supplier warranty of 3 months from the time of delivery against manufacturing defects only. This is a quality product & only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids 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.

Based on 1 review

5.0 overall

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  1. GAIL(INDIA) LTD (verified owner)

    Great product .Effortless deployment.very good user interface.awaiting for more quantity.both ports work simultaneously.


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Country Of Origin: China