USR-TCP232-410s Serial RS232 RS485 to Ethernet Server

Communication Expert of Industrial IOT
USR-TCP232-410s Serial RS232 RS485 to Ethernet Server
USR-TCP232-410s Serial RS232 RS485 to Ethernet Server
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Price: $41.60
Availability: In Stock
Model: USR-TCP232-410s
Manufacturer: USR IOT
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User Manual :

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Introduction of Serial to Ethernet Converter

USR-TCP232-410s is a RS232 / RS485 to Ethernet server for remote access serial electronic devices. By connecting USR-TCP232-410s to serial based equipment, user can easily offer Ethernet networking capability as a standard feature. So equipment can be accessed and controlled over the Internet network. USR-TCP232-410s is a dual serial server, which supports rs232 & rs485 working at the same time. It adopts Cortex-M4 solution and its basic frequency is up to 120MHz. 


USR-TCP232-410s serial to Ethernet converters / Adapters is easy to use. It is based on ARM processor and internally integrated with TCP/IP protocol, integrate an embedded web server, 10/100Mbps TX Ethernet port. USR Serial device server can be configured by using a standard web browser, or USR setup software. This high performance networking serial to TCPIP server enables engineers spend little time to add networking function to products.


This RS232 RS485 to Ethernet converter have 16 KByte receive/sending buffer of network and 2 KByte receive/sending buffer of serial, which makes the communication more stable and safe. For hardware protection, the serial device server has 2KV ESD protction and lightning protection for RS-485 port, 2KV ESD protction and surge protection for RS-232 port. CE(EMC+LVD), FCC, RoHS, KCC and WEEE compliant.

Feature of Serial to Ethernet Converter

  • Modbus Gateway: Modbus RTU to Modbus TCP
  • Watch Dog: if USR-TCP232-410S break down, it will restart automatically
  • Built in Web Server/Webpage for configuration
  • Bidirectional transparent Transmission, do not need data parser
  • Webpage socket to Serial (bidirectional communication)
  • Network Printing connectivity for printers with serial interface
  • Various protection: 2KV ESD, lightning protction and surge protection
  • Support DHCP client: automatically obtain an IP address and query IP address
  • DNS address can be modified
  • Synchronous and adaptive Serial port baud rate
  • HTTP Client: send data as HTTP format automatically
  • 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, end the dead link

Parameter of Serial to Ethernet Converter

Parameter Value
Input Voltage DC 5 ~ 36V
Working Current 86.5mA (85~87.9) @ 5V
44.3mA (43.7~45.1) @ 12V
Power <1W
Certificate CE, FCC, ROHS, WEEE
Size 81.5 x 84.0 x 24.0 mm
Operating Temp. -40 ~ 85°C (industry)
Storage Temp. -40 ~ 105°C, 5 ~ 95% RH (no condensation)
Interface 1* RS232 & 1* RS485
Network Protocol    IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Web socket, Httpd client
Packing list USR-TCP232-410s *1, 5V1A power adapter,
female to female serial cable, network cable

Working Modes of Serial to Ethernet Converter

Serial Device Server USR-TCP232-410s can work as TCP Client, TCP Server, UDP Client and 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 is 8.

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.

Application of Serial to Ethernet Converter

Building intelligent devices with remote control capability. You can use USR RS232 RS485 to Ethernet converter into any electronic product for applications as below:

  • Industrial automation control for data transmission
  • Remote diagnostics, record and troubleshooting
  • Security monitoring, CCTV, entrance guard system, Building automation system
  • Power management
  • Environmental monitoring, temperature and humidity monitoring
  • Logistic transportation supervision and location

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