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IPPSB-DB Mainboard User Guide
Connectors Connectors
RF connector (A24/Pitch 1.5mm)
Speaker connector (A23/Pitch 1.25mm)
Pin Signal Name Pin Signal Name
1 +5V_DUAL_USB 3 HUB_USBP4_RF
2 HUB_USBN4_RF 4 GND
Pin Signal Name Pin Signal Name Pin Signal Name
1 SPKR _OUT_R- 3 SPKR_OUT_L- 5 GND
2 SPKR _OUT_R+ 4 SPKR_OUT_L+ 6 GND