Chapter 2. Hardware Installation; The Front Panel; The Back Panel - TP-Link TD-8840T User Manual

Chapter 2. Hardware Installation

2.1 The Front Panel

The Router's LEDs are located on the front panel (View from left to right). For details, please refer
to LED Explanation.
LED Explanation:
Name
On
Power
Off
Slow flash
ADSL
Quick flash
On
Flash
Act
Off
On
Off
1~4 (LAN)
Flash

2.2 The Back Panel

The following parts are located on the rear panel (View from left to right).
POWER: The Power plug is where you will connect the power adapter.
On/OFF: The switch for the power.
RESET: There are two ways to reset the Router's factory defaults.
Method one: When the device is working, please press the reset button of the Router, keep
the reset button pressed down for more than five seconds.
Method two：Restore the default setting from "Maintenance-SysRestart" of the Router's
Web-based Utility.
LAN (1~4): Through the port, you can connect the Router to your PC or the other Ethernet
network devices.
LINE: Through the port, you can connect the Router with the telephone.
TD-8840T
Figure 2-1
Status
Power OK
Power fail
Connection to telecom network is abnormal
Connecting to the telecom network
Connection to telecom network is OK
There is data transmitting or receiving on WAN port
No data transmitting or receiving on WAN port
1~4 (LAN) port normal
Connection on 1~4 (LAN) port abnormal
Data transmitting or receiving on 1~4 (LAN) port
Figure 2-2
4-port ADSL2/2+ Ethernet Router User Guide
Indication
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