HF2221 Serial Server Device User Manual
http://www.iotworkshop.com - 9 -
2. HARDWARE INTRODUCTION
The HF2221 unit is a complete solution for serial port device connecting to network. This powerful
device supports a 10/100BASE-T Ethernet connection, a reliable and proven operating system stored
in flash memory, an embedded web server, a full TCP/IP protocol stack,and standards-based (AES)
encryption.
Through Ethernet cable connect router with HF2221 serial server for data transfer, which makes the
data transformation very simple. HF2221 meet EMC Class B security level,It can pass every countries
relevant certification test
Figure 1. HF2221 Appearance
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