User`s manual

Chapter 2: Installation
2-21
B
A
Power LED/Speaker
On the JD1 header, pins 1~3 are used for
a power LED and pins 4~7 are used for
an external speaker. If you wish to use
the onboard speaker, you should close
pins 6-7 with a jumper. See the table on
the right for speaker pin denitions.
Speaker Connector
PinDenitions
Pin Setting Denition
Pins 6-7 Internal Speaker
Pins 4-7 External Speaker
Internal Speaker/Buzzer
The Internal Speaker on SP1 can be
used to provide audible indications for
various beep codes. See the table on
the right for pin denitions. Refer to
the layout below for the locations of
the Internal Buzzer (SP1).
Internal Buzzer
PinDenition
Pin# Denitions
Pin 1 Pos. (+) Beep In
Pin 2 Neg. (-) Alarm
Speaker
PWR LED/SPKR
Internal Speaker/Buzzer
A
B