Chapter 2 – Hardware Information19Fanless Embedded Box PC BOXER-6951-A01-1010 / 32.1840.921-001 MDI0+ 2 MDI0-2.4.9 USB 2.0 connector (CN44)Pin Signal Pin Signal1 VCC_USB 2 USB_PN53 USB_PP5 4 GND2.4.10 DC-in (CN45)Pin Signal Pin Signal1 24 V 2 GND2.4.11 MiniCard Connector w/ onboard SIM (CN46)Pin Signal Pin Signal1 PCIE_WAKE# 2 +V3.3A3 NC 4 GND5 NC 6 +1.5V7 PCIE_CLK_REQ# 8 UIM_PWR9 GND 10 UIM_DATA11 PCIE_REF_CLK- 12 UIM_CLK13 PCIE_REF_CLK+ 14 UIM_RST15 GND 16 UIM_VPP17 NC 18 GND19 NC 20 W_DISABLE#21 GND 22 PCIE_RST#