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Home / Products / Discontinued Items / USR-TCP232-419
Home / Products/ Discontinued Items / USR-TCP232-419
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DTR/DSR Serial Ethernet Converter Introduction

USR-TCP232-419 DTR/DSR Serial Ethernet converter supports DTR/DSR flow control which is developed base on the top-item [USR-TCP232-410s].

Please refer to the user guide of USR-TCP232-410s: /download/M4/USR-TCP232-410S_User_Manual_V1.0.0.pdf

9pin rs232 serial device server, RS232 RS485 ethernet server


DTR/DSR Serial Port Feature ( The only difference with USR-TCP232-410s)

DB9 Male RS232 Port: RTS/CTS, DTR/DSR

DB9 Male RS232 Port:  RTS/CTS, DTR/DSR

RS232 RS485 Serial Device Server, DB9 Pin Assignment


Character for DTR/DSR Serial Ethernet Converter 

M4 Series Feature
Industrial Solution TI Cortex M4 Solution, work temp at -40~85C
Work Mode TCP Server/ TCP client/ UDP Server/UDP Client/ httpsD Client
Advanced Character -Modify MAC
-Network Printing
-Web Server: Web socket, Web to Serial
Flow Control Software: XON/XOFF
Serial Signal RS232: TX/RX, CTS/RTS, DTR/DSR
Serial Port RS232/RS485
Modbus Gateway Modbus TCP to Modbus RTU in bi-directional Modbus Polling
Power Supply DC/Terminal type 5V~36V
Protect Surge Protection, ESD 2KV, for more harsh industrial environment
Built-in web page Customized web page is acceptable
Certification CE/FCC/RoHs/WEEE


Industrial data transmission, industrial automationDTR/DSR Serial Ethernet Converter Application Field

security and protection monitoring, public security

Smart home, power control, environmental monitoring, intelligent agriculture

Door check on work attendance system, POS system, rice selling system

Building automation system, power monitoring, self-service banking system, telecom machine room monitoring

System Information
Processor Cortex-M4
Basic Frequency 120MHz
Flash 512K byte
Port Number 1
Interface Standard RJ45
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, https, ARP, ICMP, Web socket, httpsd client
Receive Buffer Max 16k bytes buffer
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)
Data Bits 5, 6, 7, 8
Stop Bit 1, 2
Check Bit None, Even, Odd, Space, Mark
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
Virtual Serial(USR-VCOM) Windows 2000 or higher (32 bit/64 bit)
Configuration Built-in webpage, computer set-up software, serial command
Basic Parameter
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
Certificate CE,FCC,ROHS
Warranty 2 years
Accessory 5V1A high-quality power supply, serial line, cable


title update date operation

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