USR-TCP232-T2 UART to Ethernet Module

Communication Expert of Industrial IOT
USR-TCP232-T2 UART to Ethernet Module
USR-TCP232-T2 UART to Ethernet Module
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Price: $11.00
Availability: In Stock
Model: USR-TCP232-T2
Manufacturer: USR IOT
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User Manual:

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USR-TCP232-T2 is Serial UART to/over Ethernet/LAN Module for bidirectional data transparent transmission between UART and RJ45 Port. It is based on ARM processor and internally integrated Cortex-M0 core. User can configure parameter by web server or software to realize remote data acquisition, remote control and management.


  • Built in Web Server/Webpage for configuration
  • User can modify the webpage
  • HTTP Client: send data as HTTP format automatically. Serial data submitted to server by HTTP (GET/POST)
  • DHCP: automatically obtain an IP address and query IP address
  • DNS address and MAC address can be modified
  • Synchronous and adaptive serial port baud rate
  • Registration packet: identified header can be added to packets to check connection status
  • Heartbeat packet: can be sent to serial or network periodic. To ensure connection is reliable, put an end to dead link
  • Support router/bridge mode networking
  • Can work in LAN, also can work in the Internet (external network)
  • Protocol: IP, TCP, UDP, DHCP, DNS, ARP, ICMP, HTTP Client

Work Mode

 Ethernet module USR-TCP232-T2 can work as TCP Client, TCP Server, UDP Client,UDP Server Mode. 1) In TCP Client Mode: Client connects Server automatically. User should configure the TCP Server’s IP address and Port. 2) In TCP Server Mode: The Max Client number can be modified from 1 to 16. By default, Client number is 4. 3) In UDP Client Mode: serial data will be sent to a fix IP address/port which you appointed. 4) In UDP Server Mode: serial data will be sent to last source IP/Port.


Parameter Value
Input Voltage VCC DC 3.0V~3.6V VDD DC 5~7.0V
Input Current 150mA (aver) / 160mA (max) @3.3V 150mA (aver) / 160mA (max) @5V
Certificate CE(EMC+LVD), FCC, ROHS ,WEEE
Size 50.5 x 22.6 x 15.0
Operating Temp. -25 ~ 75°C
Storage Temp. -40 ~ 105°C, 5 ~ 95% RH(no condensation)
Interface TTL
Network Protocol IP, TCP, UDP, ARP, ICMP, DHCP, DNS, HTTPD Client
Packing list USR-TCP232-T2 *1


  • Industrial automation control for data transmission
  • Security monitoring, CCTV, entrance guard system, Building automation system
  • Smart home: smart switch, thermos controller
  • Environmental monitoring, temperature and humidity monitoring
  • Logistic transportation supervision and location

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