Chapter 2 – Hardware Information17IoT Gateway System AIOT-QM7 USB4- 8 GNDMating Connector DefinitionUSB 1Pin Signal Pin Signal1 +5 V 2 USB4-3 USB4+ 4 GNDUSB 2Pin Signal Pin Signal1 +5 V 2 USB3-3 USB3+ 4 GND2.4.9 Digital I/O (CN9)Box Header119 182GPIO10GPIO11GPIO12GPIO14GPIO15GPIO16GPIO17GPIO303.3V3.3VGPIO20GPIO21GPIO22GPIO23GPIO24GPIO25GPIO26GPIO27DIO GNDAll manuals and user guides at all-guides.com