Hardware Setup
SG-80DC 2-15
2.6.3 Front Panel Audio Connection Header This header provides the connection to audio connector at front panel.
• To use the audio connector at front panel, remove all the jumpers on this header, and then
connect to front panel by the extension cable provided with the chassis.
• To use the audio connector at rear panel, disconnect the extension cable, attach the
jumpers back at pin 5-6, and pin 9-10 (default setting).
Pin Signal Name Function
1 AUD_MIC Front Panel Microphone input signal
2 AUD_GND Ground used by Analog Audio Circuits
3 AUD_MIC_BIAS Microphone Power
4 AUD_VCC Filtered +5V used by Analog Audio Circuits
5 AUD_F_R Right Channel audio signal to Front Panel
6 AUD_RET_R Right Channel Audio signal to Return from Front
Panel
7 REVD Reserved
8 Key No Pin
9 AUD_F_L Left Channel Audio signal to Front Panel
10 AUD_RET_L Left Channel Audio signal to Return from Front
Panel