USR-TCP232-ED2 Triple Serial TTL UART to Ethernet Module

Communication Expert of Industrial IOT
USR-TCP232-ED2 Triple Serial TTL UART to Ethernet Module
USR-TCP232-ED2 Triple Serial TTL UART to Ethernet Module
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Price: $19.60
Availability: In Stock
Model: USR-TCP232-ED2
Manufacturer: USR IOT
Average Rating: Not Rated

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User Manual :

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  • New Cortex-M4 kernel, industrial working temperature range(-40~85℃), elaborate optimization TCPIP protocol stack, stable and reliable.
  • selectable UART port, Different port can be used together, work independently, distinguish the connected serial port via port number.
  • Auto-MIDX function, discretionarily connect cross-over or direct network cable, automatic switching.
  • Support TCP Server, TCP Client, UDP, UDP Server, HTTPD Client,websocket,  various of ethernet protocols.
  • Support virtual serial port, provide corresponding software.
  • Serial port highest baud rate from 600bps to 1024000bps(COM0 only max 256000bps).
  • wide voltage input, more applications.
  • Support DHCP, automatically access IP, can inquire the facility within network through the UDP broadcast protocol(using software USR-TCP232-E45 Setup).
  • Supply the protocol for VIP customers
  • Provide PC TCP/IP SOCKET programming example, VB, C++, Delphi, Android, IOS.
  • A built-in web page, also parameter setting via web, can customize web pages for users.
  • Can also set via UDP broadcast, provide the set up protocol.
  • Reload button, a key restore default Settings.
  • RJ45 status indicator light, RJ45 interface built-in isolation transformer, 2 KV isolation.
  • The global unique MAC address bought from IEEE, the user can define MAC address (please state when you make order).
  • Support upgrade firmware via network.
  • Support visit IP and domain name at the same time
  • Support up to 8 link from client when act as TCP Server, same data will be send to all client.
  • Can modify http server port from default port 80 for module built-in http server.
  • Support Keepalive, detect a dead link quickly and make sure the connection more stable.


Parameter Value
Input Voltage DC 3.3 / 5 V
Input Current 120mA(115~125)@ 3.3V
120mA(115~125)@ 5V
Power <1W
Certificate CE, FCC, ROHS
Size 44.45 x 31.75 x 15.4 mm
Operating Temp. -40 ~ 85°C (industry)
Storage Temp. -40 ~ 85°C, 5 ~ 95% RH(no condensation)
Interface 3* TTL UART
Network Protocol IP, TCP, UDP, DHCP, DNS, HTTP, ARP,
ICMP, Web socket, Httpd client
Packing list USR-TCP232-ED2 *1


ethernet module, uart to ethernet module, ttl to ethernet module

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