User Guide

17／35
29 GND GND Ground
30 SMB_CLK UART_DCD DO
Module Carrier
Sense
31 PETn0 UART_TXD DO
Module sending
end
32 SMB_DATA WAKEUP_OUT DO
Module Sleep
Indication
33 PETp0 PERST# DI Reset Control Pin
Valid when
low level
34 GND GND Ground
35 GND GND Ground
36 USB_D- USB_DM IO USB Differential Signal (-)
37 GND GND Ground
38 USB_D+ USB_DP IO USB Differential Signal (+)
39 3.3Vaux VBAT PI Power Input
40 GND GND Ground
41 3.3Vaux VBAT PI Power Input
42 LED_WWAN# LED_WWAN# OC Status Light Indication
43 GND GND Ground
44 LED_WLAN# RESERVED — Reserved
45 RESERVED RESERVED — Reserved
46 LED_WPAN# UART_DTR DI DTE is ready
47 RESERVED RESERVED — Reserved
48 1.5V — —
49 RESERVED RESERVED — Reserved
50 GND GND Ground
51 RESERVED RESERVED — Reserved
uCloudlink M3B Mini PCIe-C _Hardware Design Guide_V1.0
RESERVED