37 UNO-2271G_V2 User Manual
Appendix A System Settings/Pin Assignments
A.5 M.2 B-key Connector (CN2)
Table A.5: M.2 B Key Connector Pin Assignments
Pin Signal Name Pin Signal Name
1 M2_SATA1_DET 2 +V3.3_M2
3 GND 4 +V3.3_M2
5 GND 6 M2_LTE_PWR_OFF#
7 M2_LTE_USB_DP 8 M2_LTE_W1_DISABLE_N
9 M2_LTE_USB_DN 10 +V3.3_M2
11 GND 12 Mechanical notch B
13 Mechanical notch B 14 Mechanical notch B
15 Mechanical notch B 16 Mechanical notch B
17 Mechanical notch B 18 Mechanical notch B
19 Mechanical notch B 20 NC
21 NC 22 NC
23 WAKE_ON_WAN# 24 NC
25 NC 26 M2_LTE_W2_DISABLE_N
27 GND 28 NC
29 USB_Z_SSRX1- 30 M2_SIM1_RESET
31 USB_Z_SSRX1+ 32 M2_SIM1_CLK
33 GND 34 M2_SIM1_DATA
35 USB_C_SSTX1- 36 M2_SIM1_PWR
37 USB_C_SSTX1+ 38 NC
39 GND 40 M2_SIM2_DET
41 SATA1_RX+ 42 NC
43 SATA1_RX- 44 NC
45 GND 46 NC
47 SATA1_C_TX- 48 NC
49 SATA1_C_TX+ 50 NC
51 GND 52 NC
53 NC 54 NC
55 NC 56 NC
57 GND 58 NC
59 NC 60 NC
61 NC 62 NC
63 NC 64 NC
65 NC 66 M2_SIM1_DET
67 LTE_RST#_P67 68 NC