AAEON PFM-C42C - Manual (Page 16)

P C / 1 0 4 P e r i p h e r a l M o d u l e P F M - C 4 2 C
PFM-C42C Quick Installation Guide 1-16
1.8 COM5 Ring/+5V/+12V Selection (JP1) (For 8-port only)
JP1 Function
1-2 +12V
3-4 Ring (Default)
5-6 +5V
1.9 COM1 Ring/+5V/+12V Selection (JP2) (For 4/8-port)
JP2 Function
1-2 +12V
3-4 Ring (Default)
5-6 +5V
1.10 COM6 Ring/+5V/+12V Selection (JP3) (For 8-port only)
JP3 Function
1-2 +12V
3-4 Ring (Default)
5-6 +5V
1.11 COM2 Ring/+5V/+12V Selection (JP4) (For 4/8-port)
JP4 Function
1-2 +12V
3-4 Ring (Default)
5-6 +5V