Chapter 2 – Hardware Information 82-Port USB 3.1 PCIE x4 Frame Grabber Card PER-T4992.3.1 USB3.1 Port 1 (CN4)PIN Pin Name1 VCC_USB02 USB0-3 USB0+4 GND5 USB3_RX0_N_C6 USB3_RX0_P_C7 GND8 USB3_TX0_N_C9 USB3_TX0_P_C2.3.2 USB3.1 Port 2 (CN5)PIN Function1 VCC_USB12 USB1-3 USB1+4 GND5 USB3_RX1_N_C6 USB3_RX1_P_C7 GND8 USB3_TX1_N_C9 USB3_TX1_P_C