Quectel LTE Standard Module Series Hardware Design page 17

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