Sending an SMS Diagnostic Command ...........................................................................................................................................................129
Types of SMS diagnostic commands ................................................................................................................................................................129
SMS acknowledgment replies ...........................................................................................................................................................................130
SMS command format ........................................................................................................................................................................................130
List of get/set commands ...................................................................................................................................................................................132
List of basic RDB variables .................................................................................................................................................................................135
SMS diagnostics examples ................................................................................................................................................................................138
System .......................................................................................................................................................................... 140
Log ...............................................................................................................................................................................................................................140
System log ............................................................................................................................................................................................................140
Diagnostic log .....................................................................................................................................................................................................141
IPSec log ...............................................................................................................................................................................................................142
Event notification log ..........................................................................................................................................................................................143
System log settings .............................................................................................................................................................................................144
System configuration .................................................................................................................................................................................................146
Settings backup and restore ..............................................................................................................................................................................146
Upload ..................................................................................................................................................................................................................147
Package manager ................................................................................................................................................................................................149
Administration ............................................................................................................................................................................................................150
Administration settings.......................................................................................................................................................................................150
Server certificate ..................................................................................................................................................................................................154
SSH key management ........................................................................................................................................................................................158
LED operation mode ..........................................................................................................................................................................................160
Watchdogs ..................................................................................................................................................................................................................161
Power management ...................................................................................................................................................................................................163
Sleep settings ......................................................................................................................................................................................................164
Wake settings ......................................................................................................................................................................................................165
USB-OTG ....................................................................................................................................................................................................................166
Storage ........................................................................................................................................................................................................................167
Reboot .........................................................................................................................................................................................................................169
Logging out .........................................................................................................................................................................................................169
Help .............................................................................................................................................................................. 170
Appendix A: Tables ....................................................................................................................................................... 171
Appendix B: Default settings .......................................................................................................................................... 172
Appendix C: Recovery mode ......................................................................................................................................... 173
Status ...........................................................................................................................................................................................................................174
Application Installer ...................................................................................................................................................................................................175
Appendix E: RJ45 connectors ........................................................................................................................................ 179
Appendix F: Serial port wiring ........................................................................................................................................ 180
Appendix H: Using USB devices ..................................................................................................................................... 182
Windows ...............................................................................................................................................................................................................182
Mac OS .................................................................................................................................................................................................................182
Linux / Smartphones ...........................................................................................................................................................................................182
Appendix I: Inputs/Outputs ............................................................................................................................................ 183
Overview .....................................................................................................................................................................................................................183
Hardware Interface ..............................................................................................................................................................................................183
NTC-220 - User Guide
UG01028 v1.2 March 2019
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