TCP232-410 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. And the internal of the serial server integrates TCP/IP protocol stack.

File Update time
USR-TCP232-410s-User-Manual_V1.1.1.01.pdf 2020-03-11


New Cortex-M4 kernel industrial working temperature range(-40~85℃) elaborate optimization 
TCP/IP protocol stack stable and reliable
Auto-MIDX function discretionarily connect cross-over or direct network cable automatic switching.
Support TCP Server / TCP Client / 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
Support DHCP automatically access IP, can inquire the facility within network through the UDP broadcast protocol (using software USR-TCP232-E45 Setup
A built-in web page also parameter setting via web can customize web pages for users
RJ45 status indicator light RJ45 interface 
Built-in isolation transformer 2 KV isolation.
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.

Interface Standard RJ45 *1
Rate 10/100 Mbps MDI/MDIX,
auto switch between cross and direct connection
Protection 2KV electromagnetism isolation, shell insulation blocking
Network Protocol IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Web socket, Httpd client
Receive Buffer Max 16k bytes buffer
Serial Port Number 2 (1*RS-232, 1*RS-485, can work at the same time)
Interface Standard RS-232: DB9 pin type, RS-485: 3 wire (A+, B-, G)
Baud Rate RS-232: 600 bps ~ 230K bps, RS-485: 600 bps ~ 1M bps
Flow Control RTS/CTS
Buffer Send and receive 2k bytes respectively
Protection RS-485: anti-static 2KV, lightning protection
RS-485 Pull-up and Pull-Down Resistor 2.2 KΩ
Software  Virtual Serial(USR-VCOM) Windows 2000 or higher (32 bit/64 bit)
Configuration Built-in webpage, computer set-up software, serial command
Size 80 x 62 x 24 mm
Operating Temp. -40 ~ 85°C
Storage Temp. -45 ~ 105°C, 5 ~ 95% RH
Input Voltage DC 5 ~ 36V
Working Current
86.5mA(aver)@ 5V
44.3mA(aver)@ 12V
Power <1W
Accessory 5V1A high-quality power supply, serial line, cable