TP-Link TL-R402M - Manual (Page 9)

TL-R402M Cable/DSL Router User Guide
2
¾
Supports firmware upgrade
¾ Supports Remote and Web management
1.3 Panel Layout
1.3.1 The Front Panel
The Router’s LEDs are located on the front panel (View from left to right).
Figure 1-1
The LEDs：
Name Status Indication
Not lit The router works properly
M1
Lit up The router has a hardware error
Not lit The router has a hardware error
Lit up The router has a hardware error M2
Flashing The router works properly
M1 and M2 are flashing
synchronously, the router is
restoring the factory default
settings.
Not lit There is no device linked to the corresponding port
Lit up
There is a device linked to the corresponding port but no
activity
1-4/WAN
Flashing There is an active device linked to the corresponding port