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Serial to Ethernet Converter USR-TCP232-306


4 in stock (can be backordered)

Ethernet to Serial Converters


4 in stock (can be backordered)

Serial to Ethernet Converter USR-TCP232-306 Introduction

Serial to Ethernet Converter USR-TCP232-306 Ethernet to serial converters support both interfaces RS232 and RS485, but can only use one at one time. Simple configuration and easy to use.

Features of Serial to Ethernet Converter USR-TCP232-306

  • RS232/RS485/RS422 (not use simultaneously).
  • Wide power supply 5-36v DC.
  • https D client mode, sends serial data in https format.
  • Support TCP server/client, UDP server/client, Virtual COM.

Work Mode

  • TCP Server
    • Ethernet to serial converters USR-TCP232-306 monitor the set port and wait for a TCP client connection.
    • Data from the serial device will transmit to all successfully-connected TCP Clients via USR-TCP232-306.
  • TCP Client
    • Ethernet to serial converters will initiate TCP connection to the destination IP address that configured by the user and will continuously try to reconnect if establishing TCP connection unsuccessfully. If the USR-TCP232-306 establishes TCP connection to TCP Server successfully, it can realize bidirectional data transparent transmission between TCP Server and the serial device.
  • UDP Mode
    • Ethernet to serial converters will transmit serial data from serial device to target network device by UDP connection and will listen to port and transmit all received data to serial device.
  • https D Client
    • Ethernet to serial converters USR-TCP232-306 supports https Client mode which can transmit serial data to the https server in https format(GET/POST).


  • Unattended Weighing System – Connect Ethernet to serial converters USR-TCP232-306 to barrier gate and they can realize remote control of barrier gate by Ethernet in control center.
  • Access Control System – realize data transparent transmission to network and real-time monitoring.
  • Traffic Lights Management System – Connect Ethernet to serial converter USR-TCP232-306 and it can realize traffic data acquisition and processing by Ethernet in control center. It can also provide accurate quantitative basis for traffic dispatch management and urban transport planning Can implement the optimum control for transportation phenomena such as traffic jam, traffic accident, traffic capacity from a regional or global perspective.
  • Electric Power – Real-time data collection of distribution box.  Realize control center real-time interconnection.
SKU: Converter USR-TCP232-306 Categories: , ,
Work Volt DC 5.0~36.0 V
Work Current 116mA@5V/53mA@12V
Ethernet Port 10/100Mbps auto switch between cross and direct connection
Baud rate 600-230.4K bps
Serial Port
RS232*1 / RS485*1 / RS422*1
Can’t be used at one time
Network Protocol IP, TCP/UDP, ARP, ICMP, IPV4
IP Mode Static IP, DHCP
DNS User-defined DNS server address
Configure Software/Webpage/AT command
Work Mode TCP Server/TCP Client/UDP Server/UDP Client
RFC2217 Supports resemble RFC2217
httpsd Client Supports
Connection Number Connection number with client can be randomly set from 1 to 16 under TCP server mode
Network Buffer Send: 6Kbyte, Receive: 4Kbyte
COM Buffer Receive: 2Kbyte
Avg. Transmission Delay <10ms
Software Virtual-COM, USR-Cloud, Setup software provided
Packing mechanism 4 bytes of packing time, 400 bytes of packing length
Certificate CE & FCC & Rohs
Reliability level 2KV Electromagnetic isolation
Size 98.0*86.0*24.5 mm(L*W*H)
Work Temp -25~75°
Store Temp -40~105°
Work Humidity 5%~95% RH
Store Humidity 5%~95% RH

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