Switches, Jumpers And Buttons - Ublox EVK-L4 User Manual

1.3 Switches, jumpers and buttons

Function Description
Main Power Switch Power on / off of the whole evaluation kit
Cellular VCC jumper Jumper socket to provide the 3.8 V supply to the cellular module VCC input
Cellular Power-on Push button to switch on the cellular module
Cellular Reset Push button to reset the cellular module
Cellular UART0 detach Slide switch to attach / detach cellular module UART from the USB / RS232 connectors:
when detached, UART signals available only on the DIL B2B connector on the ADP board
Cellular UART0 routing Slide switch to select cellular module UART routing on the USB or on the RS232 connector
Slide switch to attach / detach cellular module UARTx from the USB connector: when
Cellular UARTx detach
detached, UARTx signals available only on the DIL B2B connector on the ADP board
Cellular UART1 jumpers Jumper sockets to attach / detach cellular module UART1 interface to UARTx signals
available on the DIL B2B connector on the ADP board
Cellular UART2 jumpers Jumper sockets to attach / detach cellular module UART2 interface to UARTx signals
available on the DIL B2B connector on the ADP board
Cellular UART3 jumpers Jumper sockets to attach / detach cellular module UART3 interface to UARTx signals
available on the DIL B2B connector on the ADP board
Cellular GPIO detach Slide switch to attach / detach the cellular module GPIOs, SIM_DET from peripherals:
when detached, the signals are available only on the DIL B2B connector on the ADP board
Cellular GNSS detach 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 the ADP board
GNSS V_BCKP Slide switch to connect / disconnect backup battery to V_BCKP pin of the GNSS module
Table 1: Description of EVK-L4 switches and buttons
UBX-17013792 - R01
EVK-L4 - User Guide
Name Board
SW400 EVB
J404 EVB
SW302 EVB
SW303 EVB
SW401 EVB
SW403 EVB
SW510 EVB
J107 ADP-L4
J108 ADP-L4
J109 ADP-L4
SW300 EVB
SW304 EVB
SW204 EVB
Starting up
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