F u l l - s i z e C P U C a r d
S B C - 8 6 0
Chapter 2 Quick Installation Guide
2 - 11
2.7 Front Panel (JP1)
Pin
Signal
Pin
Signal
1
GND
2
Power Button
3
HDD LED
4
VCC
5
External Speaker
6
VCC
7
Power LED
8
GND
9
Reset Button
10
GND
2.8 COM2 RS-232/422/485 Selection – 1 (JP2)
JP2
Function
1-2, 4-5, 7-8, 10-11
RS-232 (Default)
2-3, 5-6, 8-9, 11-12
RS-422
2-3, 8-9
RS-485
2.9 COM2 RI / +5V / +12V Selection (JP3)
JP3
Function
5-6
RI (Default)
3-4
+5Volt.
1-2
+12Volt.