HF2211 Serial Server Device User Manual HF2211 Serial Server Device User Manual http://www.iotworkshop.com - 1 - HF2211 Serial Server Device User Manual V 1.2 Overview of Characteristic ✧ MIPS MCU with 4MB Flash and 8MB SRAM. Run on eCos ✧ Support TCP/IP/Telnet /Modbus TCP ...