Leds - Ublox EVK-L4 User Manual

1.4 LEDs

Function
Main Power
Cellular VCC
Cellular native USB
Cellular USB (UART0/UARTx) USB cable plugged into the Cellular USB connector for UART0 / UARTx access
Cellular USB / UART0
Cellular UART0 detach
Cellular RS232 / UART0
Cellular USB / UARTx
Cellular RI indicator
Cellular CTS indicator
Cellular GPIO1 indicator
Cellular GPIO2 indicator
Cellular GPIO3 indicator
Cellular GPIO4 indicator
GNSS VCC supply
GNSS USB
GNSS Timepulse
Cellular / GNSS DDC
Table 2: Description of EVK-L4 LEDs
UBX-17013792 - R01
Description
Power supply plugged in the 9 - 18 V Power Input
Cellular module supplied. Main Power Switch must be switched on
USB cable plugged into the Cellular native USB connector
Green light is activated when the UART0 is routed to the Cellular USB connector
Red light blinks at UART0 TX or RX data on the Cellular USB connector
UART0 signals are available only on the DIL B2B connector on the ADP board
Green light is activated when UART0 is routed to the Cellular RS232 connector
Red light blinks at UART0 TX or RX data on the Cellular RS232 connector
Green light is activated when UARTx is routed to the Cellular USB connector
Red light blinks at UARTx TX or RX data on the Cellular USB connector
RI line turns ON (active low)
CTS line turns ON (active low)
Green light is activated when cellular GPIO1 is high
Green light is activated when cellular GPIO2 is high
Green light is activated when cellular GPIO3 is high
Green light is activated when cellular GPIO4 is high
GNSS module supply is turned ON
USB cable plugged in GNSS USB connector
Pulses at 1 Hz when valid GNSS fix
Cellular / GNSS module communication over DDC (I
2
C) interface
EVK-L4 - User Guide
LED # Board Color
DL401 EVB
DL400 EVB
DS100 ADP-L4
DL501 EVB
DL403 EVB
DL404 EVB
DL405 EVB
DL503 EVB
DS501 EVB
DS500 EVB
DS107 EVB
DS105 EVB
DS109 EVB
DS103 EVB
DS118 ADP-GNSS
DS124 ADP-GNSS
DS121 ADP-GNSS
DS132 ADP-GNSS
Starting up
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