KB2201031501 - How to understand the TP-Link Wireless VDSL/ADSL Modem Router status lights

This knowledge base is created for users who need to understand the Linksys Wi-Fi Hub status lights.

Information

The status lights display on the front of the device.

TP-Link AC1200

Light	State	Meaning

Light	State	Meaning
Power	On	System initialization complete.
	Flashing	System initializing or firmware upgrading is in process. Do not disconnect or power off the modem router.
	Off	Power is off. Please ensure that the power adapter is connected correctly.
DSL	On	DSL synchronization is established.
	Flashing	DSL synchronization is in progress.
	Off	DSL synchronization failed. Please refer to Note 1 for troubleshooting.
Internet	On	The network is available with a successful Internet connection.
Internet	Off	No successful Internet connection is available, or the modem router is operating in Bridge mode. Please refer to Note 2 for troubleshooting.
Wireless 2.4 GHz	On	The wireless 2.4GHz band is working properly.
Wireless 2.4 GHz	Off	The wireless 2.4GHz band is disabled.
Wireless 5GHz	On	The wireless 5GHz band is working properly.
Wireless 5GHz	Off	The wireless 5GHz band is disabled.
WPS	On/Off	Turns On when a WPS synchronization is established and automatically turns Off about five minutes later.
WPS	Flashing	A wireless device is trying to connect to the network via WPS. This process may take about 2 minutes.
LAN	On	The corresponding LAN port is connected.
LAN	Off	The corresponding port is not connected.
USB	On	USB device is identified.
	Flashing	USB device identification is in progress.
	Off	USB device is unplugged or identification failed.