NA342 Series Network Appliance U
ser’s Manual
Hardware Description
21
2.6.17 Front Panel Bezel Connector (JP1)
Power LED
This 3-pin connector (Pin 1, 3, 5) connects a LED indicator to the system power switch on the
case. Pin 1 is assigned as +, and Pin 3, Pin 5 as -. The Power LED lights up when the system
is powered ON.
External Speaker and Internal Buzzer Connector
This 4-pin connector (Pin 2, 4, 6, 8) can be connected to the case-mounted speaker unit or
internal buzzer. While 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 con
nector (Pin 9, 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
This 2-pin connector (Pin 11, 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. The 2-pin connector (Pin 13, 14) connects the hard disk drive to the
front panel HDD LED, Pin 13 assigned as -, and Pin 14 as +.
