Chapter 2: Hardware Installation Guide; System Requirement; Led Explanation; Rear-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 as
well as to a power source.

2.1 System requirement

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

2.2 LED explanation

The front panel of ADSL2+ ROUTER includes one power indicator (RED) and seven
function indicators (GREEN), as explained in chart 1-1:
Indicator Description Status
PWR Power
ADSL ADSL status
ALARM Mistake
ACT Data
LAN
Ethernet
1~4

2.3 Rear-panel

ON/OFF: Turn on/off the ADSL2+ ROUTER's power.
Power (9VAC/0.8A input): please do not use any unknown power adaptor,
otherwise your ADSL2+ ROUTER may be damaged.
RESET(reset default): First press the reset button of ROUTER, then turn on the
ROUTER's power for at least three seconds. It will resume the default
TD-8840 External ADSL2+ Router User Guide
Function Details
On Power OK
Off Power fail
Slow flash Self-detecting when power up
Quick flash Connecting to the telecom network
On Connection to telecom network OK
On There is mistake when ADSL transmitting data or
receiving data
Off ADSL normal
On There is data transmitting or receiving on WAN
port
Off No data transmitting or receiving on WAN port
On 1~4(LAN) port normal
Off Connection on 1~4(LAN) port abnormal
Flash Data transmitting or receiving on 1~4(LAN) port
Chart 1-1
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