Chapter 2. hardware installation, 1 system requirement, 1 led explanation – TP-Link TD-8840 User Manual
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TD-8840
External ADSL2+ Router User Guide
5
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
Status
Function Details
On Power
OK
PWR Power
Off Power
fail
Slow flash
Self-detecting when power up
Quick flash
Connecting to the telecom network
ADSL ADSL
status
On
Connection to telecom network OK
On
There is mistake when ADSL transmitting data
or receiving data
ALARM Mistake
Off ADSL
normal
ACT Data
On
There is data transmitting or receiving on WAN