RS232 RS485 Serial Device Servers | DTR DSR Ethernet Converters

RS232 RS485 Serial Device Server

Model: USR-TCP232-419

USRIOT Serial to Ethernet Converter, also known as Serial to Ethernet Server or Serial Device Server, which can realize bidirectional transparent transmission between RS232/RS485/RS422 and Ethernet. By way of setting web-page or software, USRIOT Serial to Ethernet Converter can realize serial data and TCP/IP data package transparent transmission. USR-TCP232-419 is a RS232 RS485 Serial Device Server, serial to ethernet converter with modbus RTU function
  • Hardware Flow Control: CTS/RTS, DTR/DSR
  • Wide Voltage: 5-36v DC
  • Software control: XON/XOFF
  • RS232 RS485 Serial Device Servers | DTR DSR Ethernet Converters

    General Details

    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/ HTTPD 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, HTTP, ARP, ICMP, Web socket, Httpd 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

    How to Buy

    Official Online ShopClick to order USR-TCP232-419
    Alibaba Online ShopClick to order USR-TCP232-419
    Contacts SalesYou can leave a message for our sales below.


    Model Interface
    Low cost M0 Serial to Ethernet converter

    DHCP, DNS, HTTPD Client, Webpage

    USR-TCP232-302 RS232
    USR-TCP232-304 RS485
    USR-TCP232-306 RS232/RS485/RS422
    Multi COMs Industrial M4 Serial to Ethernet Converter
    USR-TCP232-410s RS232&RS485 *1
    USR-N510 RS232/RS485/RS422 *1
    USR-N520 RS232/RS485/RS422 *2
    USR-N540 RS232/RS485/RS422 *4



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