C o m p a c t B o a r d P C M - 6 8 9 2 R e v . BChapter 2 Quick Installation Guide 2 - 172.19 LAN2 LED Connector (CN9)Pin Signal Pin Signal1 RX LED 2 +3.3V3 Link LED 4 +3.3V5 TX LED 6 +3.3V2.20 Audio Connector (CN10)Pin Signal Pin Signal1 MIC_IN 2 MIC_+2.5V3 LINE_IN_GND 4 CD_GND5 LINE_IN_L 6 CD_IN_L7 LINE_IN_R 8 CD_GND9 LINE_IN_GND 10 CD_IN_R11 LINE_OUT_L 12 LINE_OUT_R13 LINE_OUT_GND 14 LINE_OUT_GND