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ID: 1184213
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A 2xUART - Ethernet converter for bi-directional communication between devices equipped with TTL UART ports and Ethernet. It is visible in the system as a virtual COM port and configured via a web page or via AT commands. USR-TCP232-E2

Available quantity: 16

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14 days for return

Each consumer can return the purchased goods within 14 days


The UART - Ethernet converter is a module that allows bi-directional communication between devices equipped with UART TTL ports and an Ethernet network. It supports TCP Client, TCP Server, UDP Client and UDP Server and HTTPD Client modes, allowing it to be adapted to different applications.

The converter uses an embedded microcontroller with an ARM Cortex-M4 core. It has two UART TTL interfaces derived, which can operate simultaneously. It supports all basic network protocols, including IP, TCP, UDP, DHCP, DNS, HTTPS, ARP, ICMP and Web socket. It is visible in the system as a virtual COM port, making it easy to integrate into existing software. Configuration of the device is possible both via a web page and via AT commands. The converter requires a 3.3 V power supply and has a very small footprint, making it easy to install in hard-to-reach places.


  • Microcontroller with ARM Cortex-M4 core, 120 MHz
  • Bi-directional UART TTL communication with Ethernet
  • Two UART ports that can operate simultaneously
  • UART baud rate: 600 bps to 1024 kbps
  • Supports modes of operation: TCP Client, TCP Server, UDP Client, UDP Server, HTTPD Client
  • Visible in the system as a virtual COM port
  • Can be used for communication between microcontroller and server via Ethernet
  • Auto-MDI/MDIX,RJ45 port with 10/100Mbps
  • Configuration via web page and AT commands
  • Support for Modbus RTU and Modbus TCP
  • Protocols: IP, TCP, UDP, DHCP, DNS, HTTPS, ARP, ICMP, Web socket
  • Unique MAC address
  • Electromagnetic isolation 2kV
  • Small dimensions and weight
  • Power supply: 3.3 V
  • Dimensions: 55 x 30 x 23.2 mm

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