EVK-N3 - User guide
UBX-19004195 - R06
Starting up
Page 7 of 17
C1-Public
1.4
LEDs
Function
Description
LED # Board
Color
Main Power
Power supply plugged in the
9 - 18 V Power Input
DL401 EVB-WL3
Cellular VCC
Cellular module supplied.
Main Power Switch
must be switched on
DL400 EVB-WL3
Cellular USB
(UART/UART FT)
USB cable plugged in the
Cellular USB
connector for UART / UART FT
access
DL501 EVB-WL3
Cellular USB / UART
Green light is activated when UART is routed to the
Cellular USB
connector.
Red light blinks at UART TX or RX data on the
Cellular USB
connector
DL403 EVB-WL3
Cellular UART detach UART signals are available only on the DIL B2B connector on ADP board
DL404 EVB-WL3
Cellular RS232 / UART Green light is activated when UART is routed to
Cellular RS232
connector.
Red light blinks at UART TX or RX data on the
Cellular RS232
connector
DL405 EVB-WL3
Cellular USB / UART FT Green light is activated when UART FT is routed to
Cellular USB
connector.
Red light blinks at UART FT data on the
Cellular USB
connector
DL503 EVB-WL3
Cellular RI indicator
Red light is activated when RI line turns ON (active low)
DS501 EVB-WL3
Cellular CTS indicator Green light is activated when CTS line turns ON (active low)
DS500 EVB-WL3
Cellular GPIO1 indicator Green light is activated when SARA-N3 GPIO1 is high
DS107 EVB-WL3
Cellular GPIO2 indicator Green light is activated when SARA-N3 GPIO2 is high
DS105 EVB-WL3
Cellular GPIO3 indicator Green light is activated when SARA-N3 GPIO3 is high
DS109 EVB-WL3
Cellular GPIO4 indicator Green light is activated when SARA-N3 GPIO4 is high
DS103 EVB-WL3
V_INT supply
Green light is activated when the V_INT line is at a “high” level
DS101 ADP-N3
GNSS VCC supply
GNSS module supply is turned ON
DS118 ADP-GNSS
GNSS USB
USB cable plugged in the
GNSS USB
connector
DS124 ADP-GNSS
GNSS timepulse
Pulses at 1 Hz when valid GNSS fix
DS121 ADP-GNSS
Cellular / GNSS DDC
Cellular / GNSS module communication over the DDC (I2C) interface
DS132 ADP-GNSS
Table 2: Description of EVK-N3 LEDs
1.5
Connectors
Function
Description
Name
Board
9 - 18 V Power Input
Connector for the AC / DC power adapter of the EVK
AC: 100-240 V, 0.8 A, 50-60 Hz / DC: +12 V, 2.5 A
IEC 60417-5172
Class II equipment
J400
EVB-WL3
SIM card holder
SIM card holder
J300
EVB-WL3
Cellular antenna
SMA connector for the module cellular antenna ANT NB
J106
ADP-N3
Cellular USB
(UART/UART FT)
Mini USB connector for the cellular module UART and UART FT interfaces
converted as USB interface
J501
EVB-WL3
Cellular RS232 (UART) DB9 connector for the cellular module primary UART interface converted as
RS232 interface
J500
EVB-WL3
DIL B2B headers
Dual in-line board-to-board connectors for the cellular module interfaces
J101, J102 ADP-N3
Cellular headset
Audio headset jack connector (not supported by SARA-N3 series)
J303
EVB-WL3
GNSS antenna
SMA connector for the GNSS module antenna (GNSS Antenna)
J103
ADP-GNSS
GNSS USB
Mini USB connector for the GNSS module USB interface
J102
ADP-GNSS
GNSS backup battery Backup battery socket for the GNSS module (under GNSS adapter board)
BT200
EVB-WL3
GND
Ground terminals for the probe reference
J402, J403
J405, J406
EVB-WL3
Table 3: Description of EVK-N3 connectors
