ADLINK NuPRO-E42 - Manual (Page 28)

16 Introduction
System Panel Connector (CN45)
Connects to chassis-mounted buttons, speakers, and LEDs.
Fan Connectors (FAN1/2)
Pin # Signal Function Pin Group
1 WDSPK Speaker signal
Chassis Speaker
2 NC
3 NC
4 +5V Power
5 NC
6 GND Ground
Key Lock
7 KEYLOCK Keyboard lock
8 PLED Power LED signal
Power LED 9 NC
10 +5V Power LED pull-up
11 GND Ground
Reset Button
12 RESETBT RESET signal
13 NC
14 GND Ground
Power Button
15 POWERBT Power-on signal
16 NC
17 NC
18 HDDLED Hard Disk LED signal
HDD LED
19 +3.3V Hard Disk LED pull-up
20 NC
Pin # Signal
1 GND
2 Fan power (+12V)
3 Fan Tachometer
4 Fan Speed Control
1
10 20
11
1 4