9 ARK-3400 User ManualChapter 2 Hardware installation2.2 ARK-3400 Front Side External I/O Connectors2.2.1 Power ON/OFF ButtonARK-3400 comes with a Power On/Off button with LED indicators on the front side toshow its On status (Green LED) and Off/Suspend status (Orange LED), that supportdual function of Soft Power -On/Off (Instant off or Delay 4 Second), and Suspend.Figure 2.3 Power ON/OFF Button2.2.2 Reset ButtonARK-3400 has a Reset button on front side. Press the button can to activates thereset function.Figure 2.4 Reset Button2.2.3 LED IndicatorsThere 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 Indicators2.2.4 Audio ConnectorARK-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 Azaleastandard.Figure 2.6 Audio jack connectors
