TL-WR840N V6.2 User Guide

Chapter 1 Get to Know About Your Router

This chapter introduces what the router can do and shows its appearance.

It contains the following sections:

Product Overview

Panel Layout

1. Product Overview

The TP-Link router is designed to fully meet the need of Small Office/Home Office (SOHO) networks and users demanding higher networking performance. The powerful antennas ensure continuous Wi-Fi signal to all your devices while boosting widespread coverage throughout your home, and the built-in Ethernet ports supply high-speed connection to your wired devices.

Moreover, it is simple and convenient to set up and use the TP-Link router due to its intuitive web interface and the powerful Tether app.

2. Panel Layout

2.1. Top View

The router’s LEDs are located on the front panel. You can check the router’s working status by following the LED explanation table.



Internet LED


Solid on:

Router Mode: The WAN port is connected, but internet is not available.

Access Point Mode: The WAN port is not connected.

Range Extender Mode: The router is not connected to the host network.

WISP Mode: Internet is not available.


The WAN port is not connected while in Router Mode.


Solid on:

Router/WISP Mode: Internet is available.

Access Point Mode: The WAN port is connected.

Range Extender Mode: The router is connected to the host network.


The system is starting up or firmware is being upgraded*.



Solid on: At least one LAN port is connected.



Solid on:

Wireless function is enabled.


WPS connection is in progress. This may take up to 2 minutes.

* To avoid device damage, do not disconnect or power off your router during the upgrade.

2.2. The Back Panel

The following parts (view from left to right) are located on the rear panel.



Power Port

For connecting the router to a power socket via the provided power adapter.

WAN Port

For connecting to a DSL/Cable modem, or an Ethernet port.

Ethernet Ports (1/2/3/4)

For connecting your PCs or other wired network devices to the router.


To enable the WPS function, press this button for 1 second. If you have a WPS-supported device, you can press this button to quickly establish connection between the router and the client device and automatically configure wireless security for your wireless network.

Press and hold this button for more than 5 seconds until the Internet LED blinks to reset the router to its factory default settings.


Used for wireless operation and data transmitting. Upright them for the best Wi-Fi performance.