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4 Technical Information
System Connectors and Switches
90 English
Audio Front Panel
Connector The Audio Front Panel Connector, labeled “Audio Front Panel,” is a
10-pin connector that links the system board with the multimedia
Front Panel. This connector directs stereo output to either the front
panel headphone jack or the rear panel stereo jack, as follows:
•
When the headphone jack on the Audio Front Panel of the
PC Workstation is not being used, the audio signal is available on the
rear panel and the internal speakers are active.
•
When external speakers are plugged into the rear jack, the audio
signal is directed to the rear jack and the internal speakers are
muted.
•
When a headphone is plugged into the headphone jack, the audio
signal is directed to the headphone jack, no sound is available on the
rear panel and the internal speakers are muted.
The Audio Front Panel Connector has the following pin assignments:
Refer to the online guide Using Sound, preloaded on your PC
Workstation, for more information about the Audio Front Panel.
Pin Signal I/O
1 Analog Ground
2 Key Way
3 Front Panel input left IN
4 Front Panel return left OUT
5 Front Panel input right IN
6 Front Panel return right OUT
7 Reserved
8 Reserved
9 Reserved
10 Reserved
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