15.3 Configure DDNS ............................................................................................................ 145
15.4 Configure PPPoE ........................................................................................................... 146
15.5 Configure NTP .............................................................................................................. 147
15.6 Configure SNMP ........................................................................................................... 147
15.7 Configure Email ............................................................................................................ 148
15.8 Configure Ports ............................................................................................................. 150
16.2 Set Hot Spare Device .................................................................................................... 152
16.3 Set Working Device ...................................................................................................... 153
17.5 Upgrade System ........................................................................................................... 164
17.5.2 Upgrade by FTP ................................................................................................... 164
18.4 Manage User Accounts ................................................................................................ 169
18.4.1 Add a User ........................................................................................................... 169
Network Video Recorder User Manual
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