21.1 Overview.................................................................................................................................................................. 150
21.1.1 What Y
ou Need to Know.......................................................................................................................................150
21.2 The System Screen
................................................................................................................................................... 150
21.3 The Encryption Key Screen......................................................................................................................................151
21.3.1 Normal: IDU and ODU Bundle.............................................................................................................................151
21.3.2 New ODU with Old IDU.......................................................................................................................................152
21.3.3 New IDU with Old ODU.......................................................................................................................................153
22 Time Setting............................................................................................................................. 154
22.1 Overview.................................................................................................................................................................. 154
22.2 The Time Setting Screen...........................................................................................................................................154
23 Log Setting................................................................................................................................ 157
23.1 Overview.................................................................................................................................................................. 157
23.2 The Log Setting Screen............................................................................................................................................ 157
24 Software Upgrade....................................................................................................................159
24.1 Overview.................................................................................................................................................................. 159
24.2 The Software Upgrade Screen..................................................................................................................................159
25 Online Upgrade....................................................................................................................... 162
25.1 Overview.................................................................................................................................................................. 162
25.2 The Online Upgrade Screen..................................................................................................................................... 162
25.3 Online Upgrade Types.............................................................................................................................................. 164
25.4 Online Upgrade Procedures......................................................................................................................................165
26 Backup/Restore........................................................................................................................ 172
26.1 Overview.................................................................................................................................................................. 172
26.2 The Backup/Restore Screen......................................................................................................................................172
27 The Reboot Screen...................................................................................................................175
28 Diagnostic................................................................................................................................. 176
28.1 Overview.................................................................................................................................................................. 176
28.2 The Ping/TraceRoute Screen.................................................................................................................................... 176
29 Troubleshooting...................................................................................................................... 178
29.1 Overview.................................................................................................................................................................. 178
29.2 Power, Hardware Connections, and LEDs............................................................................................................... 178
29.3 LTE Device Access and Login................................................................................................................................. 178
29.4 Internet Access......................................................................................................................................................... 180
29.5 Wireless Internet Access...........................................................................................................................................180
29.6 Phone Calls and VoIP............................................................................................................................................... 181
29.7 UPnP.........................................................................................................................................................................182
30 Personal Data Description..................................................................................................... 183
LTE CPE B2368
User Guide Contents
Issue 03 (2019-01-31) Copyright © Huawei Technologies Co., Ltd. vii
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