Advantech ARK-3400, User Manual, Page: 21 / 87

9 ARK-3400 User Manual
Chapter 2
H
ardware
installation
2.2 ARK-3400 Front Side External I/O Connectors
2.2.1 Power ON/OFF Button
ARK-3400 comes with a Power On/Off button with LED indicators on the front side to
show its On status (Green LED) and Off/Suspend status (Orange LED), that support
dual function of Soft Power -On/Off (Instant off or Delay 4 Second), and Suspend.
Figure 2.3 Power ON/OFF Button
2.2.2 Reset Button
ARK-3400 has a Reset button on front side. Press the button can to activates the
reset function.
Figure 2.4 Reset Button
2.2.3 LED Indicators
There are two LED on ARK-3400 front metal face plate for indicating system status:
Thermal LED is for system thermal alarm status; and HDD LED is for HDD & com-
pact flash disk status.
Figure 2.5 LED Indicators
2.2.4 Audio Connector
ARK-3400 offers stereo audio ports by three phone jack connectors of Line_Out,
Line_In, Mic_In. The audio chip controller is ALC203, Which is compliant with Azalea
standard.
Figure 2.6 Audio jack connectors