The information in this document is subject to change without notice
P a g e
| 23
Rev 1.0 Dec 2020
J7
1 to 12
Arduino_D0 to
Arduino_D3
-
Please refer to Arduino UNO Connectors
section for details
J12
1 to 12
Arduino_D0 to
Arduino_D3
-
Please refer to Arduino UNO Connectors
section for details
J13
1 to 12
Arduino_A2 to
Arduino_A5
-
Please refer to Arduino UNO Connectors
section for details
J15
1-2
3-4
nRF91_P0.24_UART_Rx
nRF91_P0.25_UART_Tx
ON
ON
Connects nRF9160 UART interface to P1
USB connector
J16
1-2
VCTL_RF
ON
Select SMA antenna port for LTE-M network
connection
J16
2-3
VCTL_RF
OFF
Select µ.FL antenna port for LTE-M network
connection
J18
1-2
VDD_SUPPLY
OFF
Select external +3.6V battery as power
source
J18
2-3
VDD_SUPPLY
ON
Select external +5V DC power adaptor as
power source
J19
1-2
VBAT_BOOST_5V
OFF
Connects ex3.6V battery to 5V DC-
DC boost converter
J20
1-2
VDD_5V_Arduino
OFF
Arduino 5V power is sourced by external
+3.6V battery
J20
2-3
VDD_5V_Arduino
ON
Arduino 5V power is sourced by external
+5V DC power adaptor
J21
1-2
nRF91_SIM_IO
ON
SIM interface connects to micro SIM card
J21
2-3
nRF91_SIM_IO
OFF
SIM
interface
connects
to
onboard
embedded SIM
J22
1-2
VCC_RF
ON
Connects RF switch power to VDD_3V
J23
1-2
D13 LED
ON
D13 reflects the system power supply status
Table 15: Description of the Jumpers
