Chapter 2: Installation
Internal Buzzer
The Internal Buzzer (SPKR1) can be used to provide audible indications for various beep codes. See the table on the right for pin definitions. Refer to the layout below for the locations of the Internal Buzzer.
Speaker
On the JD1 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 external speaker, close Pins 1~4 with a cable. See the table on the right for pin definitions.
Internal Buzzer
Pin Definition
Pin# |
|
|
| Definitions |
Pin 1 |
| Pos. (+) |
| Beep In |
|
| |||
Pin 2 |
| Neg. |
| Alarm |
|
| |||
|
|
|
| Speaker |
|
|
|
|
|
Speaker Connector
Pin Definitions
Pin Setting |
| Definition |
Pins 3~4 |
| Internal Speaker |
| ||
Pins1~4 |
| External Speaker |
| ||
|
|
|
A. Internal Buzzer
B. Speaker
NIC4 LED |
A 
B
JBMC1
LSI 1068E
C |