Figure 3.4: Led Layout - Advantech ACP-7000 User Manual

There is a system LED indicator on the front door. See Figure 3.4 for the
connection.
Pin Definition
CN1: LED Board Connector
Pin 1: GND
Pin 3: +12V Signal
Pin 5: -12V Signal
Pin 7: Power Good Signal
Pin 9: Temperature Good Signal Pin 10: Temperature Fail Signal
Pin 11: Fan Good Signal
Pin 13: HDD 2
Pin 15 : Option
The USB and PS/2 keyboard are behind the door. See Figure 3.5 for the
connection.
Pin 2: +5V Signal
Pin 4: -5V Signal
Pin 6: HDD 1
Pin 8: Power Fail Signal
Pin 12: FAN Fail Signal
Pin 14: +3.3V Signal

Figure 3.4: LED layout

33 Chapter 3 Alarm Board