Quectel LTE Standard Module Series, Hardware Design

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LTE Standard Module Series
EG21-G Mini PCIe Hardware Design
EG21-G_Mini_PCIe_Hardware_Design 16 / 54
(U)SIM card
9 GND GND Mini card ground
10 UIM_DATA USIM_DATA IO
Data signal of (U)SIM
card
11 REFCLK- UART_RX DI UART receive data
Connect to
DTE’s TX.
12 UIM_CLK USIM_CLK DO
Clock signal of
(U)SIM card
13 UART_TX DO UART transmit data
Connect to
DTE’s RX.
14 UIM_RESET USIM_RST DO
Reset signal of
(U)SIM card
15 GND GND Mini card ground
16 UIM_VPP RESERVED Reserved
17 RESERVED RI DO Ring indication
18 GND GND Mini card ground
19 RESERVED RESERVED Reserved
20 W_DISABLE# W_DISABLE# DI Airplane mode control
Pulled up by
default.
Active low.
21 GND GND Mini card ground
22 PERST# PERST# DI
Fundamental reset
signal
Pulled up by
default.
Active low
23 PERn0 UART_CTS DI UART clear to send
Connect to
DTE’s RTS.
24 3.3Vaux RESERVED Reserved
25 PERp0 UART_RTS DO UART request to send
Connect to
DTE’s CTS.
26 GND GND Mini card ground
27 GND GND Mini card ground
28 1.5V NC Not connected
29 GND GND Mini card ground