HF2221 Serial Server Device User Manual
http://www.iotworkshop.com - 5 -
LIST OF TABLES
Table 1. HF2221 Technical Specifications ............................................................................................................... 6
Table 2. HF2221 Interface Definition ...................................................................................................................... 11
Table 3. RS232 Interface ........................................................................................................................................ 12
Table 4. RJ45 Interface .......................................................................................................................................... 13
HISTORY
Ed. V1.0 05-11-2017 First Version.
Ed. V1.1 01-16-2018 Modify LED and button description.
Ed. V1.2 02-15-2019 Fix LED description