The TP-Link TL-MR6400 is a popular mobile 4G router. It’s great for taking with you when you travel, as a backup to your broadband or even as your primary home internet connection.
It has a useful row of lights on the front – rather than one or two that flash different colours, this gives you five lights, but each can only be on, off or flashing. Let’s learn what each one does and what you should do in each case.
We’ll take the LEDs from left to right:
Power
On – This is easy. The power to the router is on.
Off – No power!
Flashing – The router is either starting up or a firmware update is occurring. Don’t touch that power switch!
Internet
On – The router has successfully connected to the internet
Off – There’s currently no internet connection
Wi-Fi
On – Wi-Fi is enabled
Off – Wi-Fi has been disabled
Flashing – A WPS connection is in progress, which may take up to two minutes
LAN
On – At least one LAN port is connected to a powered-on device
Off – No LAN port is connected to a powered-on device
Signal Strength
On – This indicates the signal strength the router is receiving from the mobile internet; more lit bars indicate a better signal strength
Off – There is no mobile internet signal. If your Internet LED is on, relocate the router to a better location.
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