9 Pin RS232 Serial RS485 Ethernet Server DTR DSR

Communication Expert of Industrial IOT
9 Pin RS232 Serial RS485 Ethernet Server DTR DSR
9 Pin RS232 Serial RS485 Ethernet Server DTR DSR
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Price: $48.60
Availability: In Stock
Model: USR-TCP232-419
Manufacturer: USR IOT
Average Rating: Not Rated

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9 pin serial device server USR-TCP232-419 is developed on the basis of USR-TCP232-410s. The only difference lies on that 419 supports DTR/DSR flow control.


  • Cortex-M4 kernel,industrial working temperature range and TCPIP protocol stack.
  • Auto-MDI/MDIX,RJ45 port with 10/100Mbps
  • TCP Server,TCP Client,UDP Client,UDP Server and HTTPD Client work mod
  • Two ports can work independently at the same time
  • Flow control: RTS/CTS,DTR/DSR,XON/XOFF
  • Support virtual serial port and provide corresponding software USR-VCOM
  • Serial baud rate from 600bps to 230.4K bps;Check bit of None,Odd,Even,Mark and Space
  • Support static IP and DHCP, can inquire network device via UDP broadcast protocol
  • Offer serial and network setting protocol, key codes instruction, user can integrate parameter setting function into their application software
  • Provide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOS
  • Built-in webpage;also can customize webpage for users
  • Reload button,one key to restore default settings
  • RJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation
  • The global unique MAC address bought from IEEE (begin with D8-B0-4C);user can define MAC address
  • Support upgrade firmware via network
  • Support ARP of server domain name
  • Support changing webpage port(default 80)
  • Support keepalive,rapidly detect dead links
  • Support account and password,can be used to page login and network settings
  • Support one channel Websocket,realize bidirectional transparent transmission between webpage and serial 0
  • Support Modbus TCP to Modbus RTU
  • Support UDP broadcast function, send and receive data from all ip in the network


  • Input Voltage: DC 5 ~ 36V
  • Size:  80 x 62 x 24 mm
  • Operating Temp.: -40 ~ 85°C (industry)
  • Storage Temp.: -45 ~ 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


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