Linux Serial Server

Linux Serial Server

Linux Serial Sever provide SDK, It's better to development .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 and Linux system 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 TCPProtocol
  • Support Serial To 10/100M Ethernet Conversion, Serial Speed Upto 460800 bps
  • Support 10/100M Ethernet Auto-Negotiation
  • Support Easy ConfigurationThrough a Web Interface
  • Support Security ProtocolSuch AsSSL/AES/DES3
  • Support  Web OTA Wirelss Upgrade
  • Wide DC Input 5~36VDC or 9~50VDC
  • Size: 94 x6525 mm(L x W x H)
  • FCC/CE/RoHSCertificated

Sizing Table

Name HF5111A  >>
Image HF5111A
Processor MIPS
Basic Frequency 380MHz
Flash 16MB
Operating System Linux
Interface Standard RJ45
Rate 10/100M
Protection 15KV electromagnetism isolation, shell insulation blocking
Network Protocol IP,TCP,UDP,DHCP,DNS,HTTP,ARP,ICMP,Web socket,Httpd client,ModbsTCP,NTP,SNMP
Security Protocol Client :SSL v3(2048bit) Encryption:AES-CCMP、3DES Authentication:SHA-1、MD5、Base-64
Receive Buffer 4K
Wi-Fi Security Encryption:TKIP、WEP(64/128bit)、WPA、WPA2、AES-CCMP Authentication:PSK
Port Number 1 port(RS232\RS485\RS422)
Interface Standard RS232:DB9 pin type, RS485:2 wire(A+,B-), RS422:4 wire(T+,T-,R+,R-)
Data Bits 8
Stop Bit 1
Check Bit None,Even,Odd,Space,Mark
Baud Rate 600 bps~460800 bps
Flow Control RTS/CTS
Buffer 4K
Configuration 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
Size 95 x65 x 25(mm)
Operating Temp. -40 ~ 70°C
Storage Temp. -45 ~ 105°C, 5 ~ 95% RH(no condensation)
Input Voltage DC 5~36V (also choose DC 9~50V)
Working Current ~200mA
Power <1W
Warranty 3 year
Accessory 1* 5V/1A Power Adapter 1* Ethernet Cable