SBC856A1 Series All-in-One POS Board User’s Manual
Jumpers and Connectors
15
2.4.3 Front Panel Bezel Connector: CN2
The front bezel of the case has a control panel that provides light
indication of the computer activities and switches to change the
computer status.
CN2
is a 16-pin header that provides interfaces for
the following functions.
SMI / Hardware
Switch
Hard Disk Drive LED
1
2
Reset Switch
Power LED
15
16
POWER BUTTON
SPEAKER
Power LED: Pins 1, 3, 5
The power LED indicates the status of the main power switch. The
keylock switch, when closed, will disable the keyboard function.
Pin # Signal Name
1
Power LED (+)
3
Ground
5
Ground
1 3 5
Speaker: Pins 4, 6
This connector provides an interface to a speaker for audio tone
generation.
Pin # Signal Name
4
6
Short 4-6 for
Internal Buzzer
4 6
