User`s manual

NA-110 Network Appliance User’s Manual
Hardware Description
19
2.5.7 Panel Connector (CN9)
13
14
11
12
9
10
7
8
5
6
3
4
1
2
HDDLED-HW RST-PWRSW-NCPWRLED-NCPWRLED+
HDDLED+HW RST+PWRSW+EXT SPK+NCBuzzerEXT SPK-
 Power LED
Pin 1 connects anode (+) of LED and pin 5 connects cathode (-) of LED. The
power LED lights up when the system is powered on.
 External Speaker and Internal Buzzer
Pin 2, 4, 6 and 8 connect the case-mounted speaker unit or internal buzzer.
While connecting the CPU card to an internal buzzer, please set pin 2 and 4
closed; while connecting to an external speaker, you need to set pins 2 and 4
opened and connect the speaker cable to pin 8(+) and pin 2(-).
 ATX Power On/Off Button
Pin 9 and 10 connect the ATX power button on front panel to the CPU card,
which allows users to turn on or off ATX power supply.
 System Reset Switch
Pin 11 and 12 connect the case-mounted reset switch that reboots your
computer without turning off the power switch. It is a better way to reboot your
system for a longer life of system power supply.
Pin
Signal
1
PWRLED+
2
EXT SPK-
3
N.C.
4
Buzzer
5
PWRLED-
6
N.C.
7
N.C.
8
EXT SPK+
9
PWRSW-
10
PWRSW+
11
HW RST-
12
HW RST+
13
HDDLED-
14
HDDLED+