TP-Link TD-8840T User Manual

TP-Link TD-8840T

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TD-8840T

ADSL2+ Modem Router

1910010648

Rev: 4.0.0

Table of Contents

Other manuals for TP-Link TD-8840T

Quick Installation Guide18 pages

Installation18 pages

Questions and Answers:

C
Christopher LopezJul 31, 2025
What to do if my TP-Link TD-8840T Network Router won't connect to the internet?
- J
  Jennifer RobertsJul 31, 2025
  First, verify that all connectors, including the telephone line, Ethernet cables, and power adapter, are securely connected. Next, check if you can log in to the web management page of the Network Router. Then, contact your ISP to confirm that the VPI/VCI, Connection Type, account username, and password are correct. If any settings are incorrect, correct them and try again. If problems persist, restore your Network Router to its factory default settings and reconfigure it.
J
Jeremy FinleyAug 7, 2025
What to do if I cannot access the web-based configuration page of TP-Link TD-8840T?
- M
  Michelle MullenAug 7, 2025
  First, configure your computer’s IP Address and your IE browser. If you still cannot access the configuration page, restore your Network Router’s factory default settings and reconfigure your Network Router.
R
Rachel ColeAug 15, 2025
How to factory reset TP-Link TD-8840T Network Router?
- J
  Joshua SmithAug 15, 2025
  To restore your Network Router’s configuration to its factory default settings, ensure the device is powered on, then press and hold the RESET button on the rear panel for 8 to 10 seconds before releasing it.

TP-Link TD-8840T Specifications

General

LAN Interface	4 x RJ-45
Ports	4
ADSL Standards	G.992.1 (G.DMT), G.992.2 (G.Lite), G.992.5 (ADSL2+)
Data Rate	Up to 1Mbps upstream
Firewall	SPI Firewall
Weight	0.3 kg (0.66 lb)
Device Type	ADSL2+ Router

Summary

Connecting the Modem Router

Physical Connection Steps

Step-by-step instructions for physically connecting the modem router to power and network.

Quick Installation Guide

PC Configuration for Setup

Guides users on setting up their computer's IP address for initial router configuration.

Web Interface Login

Instructions on how to access the router's web-based management interface.

Configuring the Modem Router

Login and Status Information

Quick Setup Wizard

Network Settings Introduction

Network Configuration

WAN Settings Configuration

Configuring various WAN connection types (PPPoE, Static IP, etc.).

LAN and DHCP Configuration

LAN Settings

Configuring IP address, subnet mask, and DHCP server for the local network.

DSL and DHCP Server Settings

DHCP Server Management

Managing DHCP server for IP allocation and reservations.

Firewall and Parent Control

Firewall Rules and Protection

Setting up firewall rules, hosts, schedules, and DDoS protection.

System Tools and Diagnostics

System Tools Management

Managing system logs, time, accounts, firmware, and reboot.

Troubleshooting Guide

Technical Support Information

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