EVK-R4 - User guide

UBX-16029216 - R08

Starting up

Page 11 of 31

C1-Public

Function

Description

LED # Board

Color

Cellular USB

(two UARTs)

USB cable plugged in the Cellular USB connector (J201) on the

ADP-R4, for access to the two UART interfaces of SARA-R422M8S

DS201 ADP-R42

GNSS VCC supply

NEO-M8N GNSS module supply is turned ON

DS118 ADP-GNSS

GNSS USB

USB cable plugged into the GNSS USB connector for NEO-M8N

DS124 ADP-GNSS

NEO GNSS Timepulse

NEO-M8N GNSS TimePulse output

DS121 ADP-GNSS

Cellular / GNSS I2C

Cellular / GNSS module communication over the DDC (I2C) interface

DS132 ADP-GNSS

Table 2: EVK-R4 LED descriptions

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

SIM card holder

SIM card holder

J300

EVB

Cellular USB

(main UART)

Mini USB connector for the cellular module main UART interface converted

as a USB interface

J501

EVB

Cellular RS232

(main UART)

DB9 connector for the cellular module main UART interface converted as an

RS232 interface

J500

EVB

Cellular antenna

SMA connector for the cellular module antenna (ANT, Tx/Rx)

J106

ADP-R42

J103

ADP-R41

GNSS antenna

(for SARA-R422M8S)

SMA connector for the GNSS antenna to be connected to the GNSS RF

input of the SARA-R422M8S module (ANT_GNSS)

J112

ADP-R42

Cellular native USB

Mini USB connector for the cellular module native USB interface

J105

ADP-R42

J104

ADP-R41

Cellular USB

(two UARTs)

Mini USB connector for the two UART interfaces of the SARA-R422M8S

module converted as a USB interface

J201

ADP-R42

DIL B2B headers

Dual-in-line board-to-board connectors for cellular module interfaces

J300, J301 ADP-R4x

GNSS antenna

(for NEO-M8N)

SMA connector for the GNSS antenna to be connected to the GNSS RF

input of the NEO-M8N GNSS module (RF_IN)

J208

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

Cellular headset

Audio headset jack connector for the cellular module audio interface

J303

EVB

GND

Ground terminals for the probe reference

J402, J403

J405, J406

EVB

Table 3: EVK-R4 connector descriptions

explosion when charging a fully or partially discharged battery. Replace the battery when it no

longer has a sufficient charge for unit operation. Control the battery before use if the device has

not been used for an extended period.

batteries according to the instructions!