EVK-L20, EVK-L21 - User Guide
UBX-14000422 - R03
Early Production Information
Starting up
Page 6 of 17
1.3
Switches and buttons
Function
Description
Name
Board
Cellular Power-on
Push button to switch-on the cellular module
SW302
EVB
Cellular Reset
Push button to reset the cellular module
SW303
EVB
Main Power Switch
Power on / off of the whole evaluation kit
SW400
EVB
Table 1: EVK-L2x switches and buttons description
1.4
LEDs
Function
Description
LED #
Board
Color
VCC
Module supplied. SW400 must be switched on
DL400
EVB
Main Power
Power supply plugged in J400
DL401
EVB
Cellular USB
USB cable plugged in
Cellular native USB
connector
DL100
ADP-L2xx
Table 2: EVK-L2x LEDs description
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
Cellular native USB
Mini USB connector for cellular module native USB interface
J100
ADP-L2xx
Primary cellular antenna
SMA connector for the cellular module primary antenna (ANT1, Tx/Rx)
J104
ADP-L2xx
Secondary cellular antenna
SMA connector for the cellular module secondary antenna (ANT2, Rx)
J103
ADP-L2xx
GNSS antenna
SMA connector for the GNSS module antenna (GNSS Antenna)
J208
ADP-GNSS
SIM card holder
SIM card holder
J300
EVB
DIL B2B headers
Dual-In-Line Board-to-Board connectors for cellular module interfaces
J300, J301
ADP-L2xx
GND
Ground terminals for probe reference
J402, J403
EVB
Table 3: EVK-L2x connector description
CAUTION! IN THE UNLIKELY EVENT OF A FAILURE IN THE INTERNAL PROTECTION CIRCUITRY
THERE IS A RISK OF AN EXPLOSION WHEN CHARGING FULLY OR PARTIALLY DISCHARGED
BATTERY. REPLACE BATTERY WHEN IT NO LONGER HAS SUFFICIENT CHARGE FOR UNIT
OPERATION. CONTROL THE BATTERY BEFORE USE IF THE DEVICE HAS NOT BEEN USED FOR AN
EXTENDED PERIOD OF TIME.
CAUTION! RISK OF EXPLOSION IF BATTERY IS REPLACED WITH AN INCORRECT TYPE. DISPOSE OF
USED BATTERIES ACCORDING TO THE INSTRUCTIONS!
