Quectel EC200T Hardware Design page 18

31 PETn0
32 SMB_DATA
33 PETp0
34 GND
35 GND
36 USB_D-
37 GND
38 USB_D+
39 3.3Vaux
40 GND
41 3.3Vaux
42 LED_WWAN#
43 GND
44 LED_WLAN#
45 RESERVED
46 LED_WPAN#
47 RESERVED
48 1.5V
49 RESERVED
50 GND
EC200T_Mini_PCIe_Hardware_Design
DTR
I2C_SDA
RESERVED
GND
GND
USB_DM
GND
USB_DP
VCC_3V3
GND
VCC_3V3
LED_WWAN#
GND
USIM_DET
PCM_CLK
RESERVED
PCM_DOUT
NC
PCM_DIN
GND
LTE Standard Module Series
EC200T Mini PCIe Hardware Design
DI Sleep mode control
OD I2C serial data
Reserved
Mini card ground
Mini card ground
IO USB differential data (-)
Mini card ground
IO USB differential data (+)
3.0V~3.6V, typically
PI
3.3V DC supply
Mini card ground
3.0V~3.6V, typically
PI
3.3V DC supply
LED signal for indicating
OC the network status of
the module
Mini card ground
(U)SIM card insertion
DI
detection
IO PCM clock signal
Reserved
DO PCM data output
Not connected
DI PCM data input
Mini card ground
Require
external pull-up
to 1.8V.
Require
differential
impedance of
90Ω.
Require
differential
impedance of
90Ω.
Active low
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