Murata Cat-M1/NB-IoT - INTRODUCTION

Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 2020
Murata LTE-M EVK User Guide, 5/4/2020 Page 2 of 44 www.murata.com
Table of Contents
REVISION HISTORY .............................................................................................................................................................. 1
TABLE OF CONTENTS ......................................................................................................................................................... 2
1 INTRODUCTION ............................................................................................................................................................ 5
1.1 Scope ......................................................................................................................................................................... 5
1.2 Audience .................................................................................................................................................................... 6
1.3 Contact Info and Support ........................................................................................................................................... 6
1.4 Text Conventions ....................................................................................................................................................... 6
1.5 Kit Contents ................................................................................................................................................................ 6
2 DESCRIPTION ............................................................................................................................................................... 7
3 POWER SUPPLY ........................................................................................................................................................... 9
3.1 USB power supply ...................................................................................................................................................... 9
3.2 External 5V supply ................................................................................................................................................... 10
4 SERIAL INTERFACES ................................................................................................................................................ 10
5 INDICATION AND SERVICES .................................................................................................................................... 11
5.1 Optical Indicators ..................................................................................................................................................... 11
5.1.1 LED1: PMU_EXT_ALARM status ................................................................................................................... 11
5.1.2 LED2: PWM3 status ........................................................................................................................................ 11
5.1.3 LED3: SMA / ANT select status ...................................................................................................................... 11
5.2 Services.................................................................................................................................................................... 11
5.2.1 Reset operation ............................................................................................................................................... 12
5.2.2 Recovery operation ......................................................................................................................................... 12
5.2.3 Wakeup operation ........................................................................................................................................... 12
5.2.4 Reserved operation ......................................................................................................................................... 12
6 MODULE IO INTERFACE............................................................................................................................................ 12
6.1 Arduino interface ...................................................................................................................................................... 12
6.2 Expansion headers .................................................................................................................................................. 13
7 STARTUP PROCEDURE............................................................................................................................................. 15
7.1 Install PuTTY ............................................................................................................................................................ 15
7.2 Connection to PC ..................................................................................................................................................... 15
7.3 AT/PPP port ............................................................................................................................................................. 16
7.3.1 AT commands ................................................................................................................................................. 17
7.3.2 From AT Channel to PPP Channel ................................................................................................................. 17
7.4 CLI port ..................................................................................................................................................................... 17
7.4.1 CLI commands ................................................................................................................................................ 18
7.4.2 Sending AT commands from CLI channel ...................................................................................................... 19
7.4.3 From CLI Channel to AT Channel ................................................................................................................... 19
8 PPP LTE CONNECTION – WINDOWS ....................................................................................................................... 19
8.1 Creating a modem .................................................................................................................................................... 20
8.2 Creating PPP connection entry ................................................................................................................................ 23
8.3 Establishing the LTE connection .............................................................................................................................. 27
8.4 Making the PPP connection ..................................................................................................................................... 28
9 CURRENT MEASUREMENT ....................................................................................................................................... 32
10 FIRMWARE UPGRADE ............................................................................................................................................... 33
11 EVK SCHEMATICS ..................................................................................................................................................... 34