Chapter 2. Hardware Installation; System Requirement; Led Explanation - TP-Link TD-8840 User Manual

Chapter 2. Hardware Installation

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.
2.1.1

LED explanation

The front panel of ADSL2+ ROUTER includes one power indicator (RED) and seven function
indicators (GREEN), as explained in chart below:
Indicator Description
PWR Power
ADSL ADSL status
ALARM Mistake
ACT Data
TD-8840
Status
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
There is mistake when ADSL transmitting data
On
or receiving data
Off ADSL normal
On There is data transmitting or receiving on WAN
5
External ADSL2+ Router User Guide
Function Details