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RS232 & RS485 Serial Port to Ethernet Converter

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  • Modbus Gateway function, support Modbus TCP to Modbus RTU in bi-directional, work as master/slave
  • Virtual COM ports connect PC/servers to remote serial devices over Ethernet
  • Modbus Polling Function
  • Hardware Flow control: RTS/CTS
  • HTTPD Client and Websocket function available
  • Both serial ports can be used individually at the same time
  • The global unique MAC address bought from IEEE, defined MAC address is available
  • Wide voltage input 5 ~ 36V, more applications
  • Support DNS & DHCP, automatically access IP
  • Up to 8 simultaneous clients when act as TCP Server
  • Reload button, a key restore default Settings
RS232 & RS485 Serial Port to Ethernet Converter
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 SerialUSR-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