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Table of contents 1 2 Introduction 1.1 About this manual................................................................................................................... 4 1.2 Working principle .................................................................................................................... 4 1.2.1 Communication from the modem to the user ............................................................. 4 1.2.2 Communication from the user to the modem ............................................................. 4 1.3 Basic requirements................................................................................................................. 5 Communication 2.1 Communication from the modem to the user ......................................................................... 6 2.1.1 Data messages at send intervals ............................................................................... 6 2.1.2 Alarm messages........................................................................................................ 9 2.1.3 Error messages .......................................................................................................... 9 2.1.4 Warning messages................................................................................................... 10 2.2 Communication from the user to the modem ....................................................................... 11 2.2.1 Settings .................................................................................................................... 11 2.2.2 Password security (optional) .................................................................................... 14 2.2.3 Changing the settings............................................................................................... 15 2.2.4 Examples of change request e-mails ....................................................................... 16 2.2.5 Examples of modem reply e-mails ........................................................................... 19 2.3 Troubleshooting.................................................................................................................... 20 2.4 Time zones ........................................................................................................................... 21 M4.11.32.01.02.E Supplement 2 2013-03 3