User`s manual

2-18
X7SBL-LN1/LN2 Users Manual
Power LED
The Power LED connector is located
at JLED. This connection is used to
provide LED Indication of power being
supplied to the system. See the table
on the right for pin denitions.
PWR LED
PinDenitions
Pin# Denition
1 +5V
2 Key
3 Ground
External Speaker/Internal
Buzzer
On the J9 header, pins 1-4 are for an
External Speaker and pins 3-4 are for
the Internal Buzzer See the table on
the right for speaker pin denitions.
Note: Connect a cable to pins
1-4 to user an external speaker.
If you wish to use the onboard
buzzer, you should close pins 3-4
with a cap.
Speaker Connector
Pin Setting Denition
Pins 3-4 Internal Speaker
Pins 1-4 External Speaker
A. PWR LED
B. Speaker
B
A