Sysrestart; Diagnostics; Help - TP-Link TD-8816 User Manual

4.6.4 SysRestart

Choose "Maintenance→SysRestart", you can select to restart the device with current settings
or restore to factory default settings in the screen (shown in Figure 4-46).

4.6.5 Diagnostics

Choose "Maintenance→Diagnostics", you can view the test results for the connectivity of the
physical layer and protocol layer for both LAN and WAN sides in the screen (shown in Figure 4-47).

4.7 Help

Choose "Help", you can view the help information for configuration of any function.
TD-8816 ADSL2+ Modem Router User Guide
Figure 4-46
Figure 4-47
47