AAEON PFM-535S - Manual (Page 21)

P C / 1 0 4 C P U M o d u l e P F M - 5 3 5 S
Chapter 2 Quick Installation Guide 2 - 10
2.7 Clear CMOS (JP1)
JP1 Function
1-2 Protected (Default)
2-3 Clear
2.8 RS-232/485 Isolation Setting (JP2)
JP2 Function
RS-232 OFF (Default)
RS-485 ON
2.9 COM2 Ring/+5V Selection (JP3)
JP3 Function
1-2 +5V
2-3 Ring (Default)
2.10 COM2 RS-232/422/485 Selection (JP4)
JP4 Function
1-2 RS-232 (Default)
3-4 RS-422
5-6 RS-485
2.11 TTL-LCD Clock Selection (JP5)
JP5 Function
1-2 Normal Clock (Default)