Doc. No: Unex-QSG-21-001
17/27
A printed version of this document is an uncontrolled copy
© 2021 Unex Technology Corporation – Company Confidential
Pin
Symbol
I/O
Level (V)
Description
J6.14
UIM_RESET
O
3.0/1.8
SIM card reset
J6.16
NC
-
-
Not connected
-
KEY
-
-
Mechanical Key
J6.18
GND
G
-
Ground
J6.20
W_DISABLE#
O
OC
1 = Modem on; 0 = Modem off (Sierra MC series)
J6.22
PERST#
O
OC
Signal rising edge (0 -> 1) will reset mPCIe module
J6.24
3.3Vaux
O
3.3
Max 1100mA
J6.26
GND
G
-
Ground
J6.28
NC
-
-
Not connected
J6.30
NC
-
-
Not connected
J6.32
NC
-
-
Not connected
J6.34
GND
G
-
Ground
J6.36
USB_D-
I/O
0.4
USB 2.0 differential data (-)
J6.38
USB_D+
I/O
0.4
USB 2.0 differential data (+)
J6.40
GND
G
-
Ground
J6.42
LED_WWAN#
I
OC
WWAN LED signal. OC input. Active LOW.
J6.44
NC
-
-
Not connected
J6.46
DPR
O
OC
Dynamic Power Control (Sierra MC series)
High: No SAR backoff; Low: Backoff 1
J6.48
NC
-
-
Not connected
J6.50
GND
G
-
Ground
J6.52
3.3 Vaux
O
3.3
Max 1100mA
8.1.2.2.
SIM Slot (Optional)
If a WWAN (LTE) module is connected to the mini PCIe port, the sim card should be
installed. The SIM slot has a metal flip lid. It is necessary to slide the lid into “Unlock”
position before open it.
Figure 13: SIM slot (J7)
Lock
Unlock
Open
