[AIOT] How do you support RS422 and RS485 in PE200U?
PE-200U's COM1 and COM2 support RS485 and RS422 Protocol, but you should set them first from the BIOS, the default setting is RS232.
1. Please go to BIOS menu then go to Serial port 1 or Port 2.
2. Please select RS485
3. Select the Save Changes and Reset from Save & Exit menu