User`s manual

Chapter 2: Installation
2-27
Internal Buzzer (SPKR1)
The Internal Buzzer (SPKR1) can be
used to provide audible indications for
various beep codes. See the table on
the right for pin denitions.
A. Internal Buzzer
B. Speaker Header
Internal Buzzer
Pin Denition
Pin# Denitions
Pin 1 Pos. (+) Beep In
Pin 2 Neg. (-) Alarm
Speaker
Speaker (JSPK)
On the JSPK header, Pins 3~4 are
used for internal speaker. Close Pins
3~4 with a cap to use the onboard
speaker. If you wish to use an exter-
nal speaker, close Pins 1~4 with a
cable. See the table on the right for
pin denitions.
Speaker Connector
Pin Denitions
Pin Setting Denition
Pins 3~4 Internal Speaker
Pins1~4 External Speaker
A
B