Ethernet Serial Server

Ethernet Serial Server

Industrial field General front-end equipment communication is RS232 / RS485 / RS422 serial interface,In order to enable these serial devices be quickly networked to management and monitoring,IOTWORKSHOP provide embedded TCP / IP protocol stack of industry-grade serial server ,It supports multiple working modes and multiple configuration modes.


  • MIPS MCU with 16MB Flash and 32MB SRAM
  • Use Linux /FreeRTOSOperation System
  • Support TCP/IP/Telnet/Modbus TCP Protocol
  • Support Serial To 10/100M Ethernet Conversion, Serial Speed Up to 460800 bps
  • Support 10/100M Ethernet Auto-Negotiation
  • Support Easy ConfigurationThrough a Web Interface
  • Support Security ProtocolSuch AsSSL/AES/DES3
  • Support  Web OTA Wireless Upgrade
  • Wide DC Input 5~36VDC or 9~50VDC
  • Size: 94 x6525 mm(L x W x H)
  • FCC/CE/RoHS Certificated

Sizing Table

Name HF5142  >> HF5111B  >>
Image HF5142 HF5111B
Processor Cortex-M3 Cortex-M3
Basic Frequency 96MHz 96MHz
Flash 2MB 2MB
Operating System FreeRTOS FreeRTOS
Interface Standard 2 RJ45 with LED RJ45
Rate 10/100 Base-T Auto-Negotiation 10/100M
Protection 2KV Isolation 8KV electromagnetism isolation, shell insulation blocking
Network Protocol IP,TCP,UDP,DHCP,DNS,HTTP Server/Client,ARP,BOOTP,AutoIP, ICMP,Web socket,Telnet,FTP,TFTP,uPNP,NTP,Modbus TCP IP,TCP,UDP,DHCP,DNS,HTTP,ARP,ICMP,Web socket,Httpd client,ModbusTCP,NTP
Security Protocol TLS v1.2 AES 128Bit DES3 Client :SSL v3(2048bit) Encryption:AES-CCMP、3DES Authentication:SHA-1、MD5、Base-64
Wi-Fi Security Encryption:TKIP、WEP(64/128bit)、WPA、WPA2、AES-CCMP Authentication:PSK
Port Number 4 1 (RS232、RS485、RS422)
Interface Standard RS232:DB9, RS485:2 wire(A+,B-), RS422:4 wire(T+,T-,R+,R-) RS232:DB9 pin type, RS485:2 wire(A+,B-), RS422:4 wire(T+,T-,R+,R-)
Data Bits 5,6,7,8 5,6,7,8
Stop Bit 1,2 1,2
Check Bit None,Even,Odd None,Even,Odd,Space,Mark
Baud Rate TTL:1200 bps~460800 bps 600 bps~921600 bps
Flow Control No Flow control Hardware RTS/CTS、DSR/DTR Software Xon/ Xoff flow control RTS/CTS
Buffer 4K 4K
Configuration Http Web Configuration Web CLI XML import Telnet IOTManagerPC Software Built-in webpage:Http Computer set-up software:IOTManager Serial command: CLI Support configuration record:Log Remote Configuration:Telnet
Virtual Serial Windows, XP/Vista, 7, 8,10 Server 2003/2008/2012 Windows, XP/Vista, 7, 8,10 Server 2003/2008/2012
Size 197x 165x25mm 95 x 65 x 25(mm)
Operating Temp. -40 ~ 85°C -40 ~ 85°C
Storage Temp. -45 ~ 105°C,5 ~ 95% RH(no condensation) -45 ~ 105°C, 5 ~ 95% RH(no condensation)
Input Voltage 9~48VDC DC 5~36V
Working Current ~400mA ~170mA
Power <4W <1W
Warranty 3 years 3 year
Accessory 1* 5V/1A 电源适配器 1*以太网线 1* 5V/1A Power Adapter 1* Ethernet Cable