Advantech PPC-A84/A120-X5X CD in CN3, Power Fan Power Connector CN4, External KBT2 Connector CN7

C.7 CD IN (CN3)

1 2 3 4

Table C-7: CD IN (CN3)

PinSignal

1CD_INR

2CD_GND

3CD_INL

4CD_GND

C.8 Power Fan Power Connector (CN4)

3 2 1

Table C-8: Power Fan Power Connector (CN6)

Pin	Signal
1	FAN_CTL
2	12 V
3	FAN_DET

C.9 External KBT2 Connector (CN7)

Table C-9: CPU Fan Power Connector (CN7)

Pin	Signal	1
1	VCC
		2
2	EXT_KBDAT2
		3
3	EXT_KBCKL2
		4
4	GND

Appendix C Pin Assignments 139