Nexcom NEX 883 User Manual page 30

Chapter 2: Installation
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.8 No. 37)
This is an interface for front panel audio cable that allows convenient
connection and control of audio devices.
GND
1
MIC2_L
Pin Signal Name
1 MIC2_L
3 OUT2_R
5 OUT2_L
7 PRESENCE#
10 OUT_RET
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PRESENCE#
MIC_RET
OUT_RET
OUT2_L
J_SENSE
OUT2_R
MIC2_R
Pin Signal Name
2 MIC2_R
4 J_SENSE
6 GND
8 MIC_RET
3W Audio Amp Output Wafer
(4-pin SPEAKER1)
(see p.8, No. 38)
This motherboard supports CASE OPEN detection feature that detects if
the chassis cover has been removed. This feature requires a chassis with
chassis intrusion detection design.
Pin Signal Name
1 SPK L-
3 SPK R+
19
1
Pin Signal Name
2 SPK L+
4 SPK R-
NEX 883 User Manual