TP-Link TD-W8901G 4.7 Help

TD-W8901G 54M Wireless ADSL2+ Modem Router User Guide
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Figure 4-50
4.6.5 Diagnostic
Choose “Maintenance→Diagnostic”, 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 4-51).
Figure 4-51
4.7 Help
Choose “Help”, you can view the help information for configuration of any function.