PPC-5190 Flat Panel PCPage 166CN2: Audio LINE OUT (2.54mm)PIN Description PIN Description1 LINEOUT_L 2 GND3 GND 4 LINE OUT_RCN24: Audio JackColor DescriptionRED MIC INBLUE LINE INGREEN SPEAK OUTB.15 Digital Input / OutputCN6: Digital Input / OutputPIN Description PIN Description1 GND 2 +5V3 Output 3 4 Output 25 Output 1 6 Output 07 Input 3 8 Input 29 Input 1 10 Input 0