Chapter 2. Hardware Installation Guide; System Requirement; The Front Panel - TP-Link TD-8840 User Manual

Chapter 2. Hardware Installation Guide

The TD-8840 maintains five separate interfaces: four Ethernet and one ADSL interface. The
Router should not be located where it will be exposed to moisture or excessive heat. Place the
Router in a location where it can be safely connected to the various devices. The electrical outlet
shall be installed near the device and shall be easily accessible.

2.1 System Requirement

Confirm your computer has been installed with networking interface card (NIC) before connecting
ADSL2+ Modem Router to your computer, with the operating system supporting the TCP/IP
protocol.

2.2 The Front Panel

The front panel of ADSL2+ Modem Router includes one power indicator and seven function
indicators, as explained in chart below.
LED Explanation
Name Status
On
Power
Off
On
Flash
ADSL
Off
On
Flash
Internet
Off
On
1~4 (LAN)
Off
Flash
TD-8840
Indication
Power is on.
Power is off.
The LINE port is linked up.
The ADSL negotiation is in progress.
The LINE port is linked down.
A successful PPP connection has been built.
Data is being transferred over the Internet.
There is no successful PPP connection or the Router works on
Bridge mode.
There is a successful connection on the corresponding 1~4 (LAN)
port but no activity.
There is no connection on the corresponding 1~4 (LAN) port or the
connection is abnormal.
Data is being transferred over the 1~4 (LAN) port.
5
ADSL2+ Modem Router User Guide