Axiomtek IPC932-230-FL-ECM - Manual (Page 18)

IPC932-230-FL Series U ser’s Manual
Introduction 10
1.7.4 Front Panel Connector (CN3)
 Power LED
This 3-pin connector denoted as Pin 1 and Pin 5 connects the system power
LED indicator to such a switch on the case. Pin 1 is assigned as +, and Pin 5 as
-. The Power LED lights up when the system is powered ON. Pin 3 is defined as
GND.
 External Speaker and Internal Buzzer Connector
Pin 2, 4, 6 and 8 can be connected to the case -mounted speaker unit or internal
buzzer. W hile connecting the CPU card to an internal buzzer, please short pins
2-4; while connecting to an external speaker, you need to set pins 2 -4 to Open
and connect the speaker cable to pin 8 (+) and pin 2 ( -).
 ATX Power On/Off Button
This 2-pin connector denoted as Pin 9 and 10 connects the front panel ’s ATX
power button to the CPU card, which allows users to control ATX power supply
to be power on/off.
 System Reset Switch
Pin 11 and 12 can be connected to the case -mounted reset switch that reboots
your computer instead of turning OFF the power switch. It is a better way to
reboot your system for a longer life of the system
’s power supply.
 HDD Activity LED
This connection is linked to hard drive activity LED on the control panel. LED
flashes when HDD is being accessed. Pin 13 and 14 connect the hard disk drive
to the front panel HDD LED, Pin 13 assigned as -, and Pin 14 as +.
Pin Signal
1 PW RLED+
2 EXT SPK-
3 GND
4 Buzzer
5 PW RLED-
6 N.C.
7 N.C.
8 EXT SPK+
9 PW RSW -
10 PW RSW +
11 HW RST-
12 HW RST+
13 HDDLED-
14 HDDLED+