Switches, Jumpers And Buttons - u-blox SARA-N3 Series User Manual

1.3 Switches, jumpers and buttons

Function
Main power switch
Cellular VCC jumper
Cellular power-on
Cellular reset
Cellular UART detach
Cellular UART routing
Cellular UART FT detach
Cellular GPIO detach
Cellular GNSS detach
GNSS V_BCKP
Cellular GDI voltage
selection Jumper
Table 1: Description of EVK-N3 switch, jumpers and buttons
UBX-19004195 - R06
C1-Public
Description
Power on / off of the whole evaluation kit
Jumper socket to provide the 3.8 V supply to the cellular module VCC input J404
Push button to switch on the cellular module
Push button to reset the cellular module
Slide switch to attach / detach the cellular module UART from USB / RS232
connectors: when detached, UART signals are available only on DIL B2B
connectors on ADP board
Slide switch to select the cellular module UART routing on USB or on RS232
connector
Slide switch to attach / detach the cellular module UART FT from USB
connector: when detached, the UART FT signals are available only on the
DIL B2B connector on ADP board
Slide switch to attach / detach the cellular module GPIOs from peripherals:
when detached, the signals are available only on the DIL B2B connectors on
ADP board
Slide switch to attach / detach the cellular module to the GNSS module
(GPIO2-3-4): when detached, the signals are available only on DIL B2B
connector on ADP board
Slide switch to connect / disconnect backup battery to V_BCKP pin of the
GNSS module
3-pin header with jumper to select operating voltage for cellular Generic
Digital I/O Interfaces: 'L' = 1.8 V / 'F' = 2.8 V
Starting up
EVK-N3 - User guide
Name Board
SW400 EVB-WL3
EVB-WL3
J155 ADP-N3
SW302 EVB-WL3
SW303 EVB-WL3
SW401 EVB-WL3
SW403 EVB-WL3
SW510 EVB-WL3
SW300 EVB-WL3
SW304 EVB-WL3
SW204 EVB-WL3
J105 ADP-N3
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