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Chapter 2. Hardware Installation Guide
The TD-8841 maintains six separate interfaces, including four Ethernet interfaces, one USB
interface and one ADSL interface. The Router should not be located where it will be exposed to
moisture or excessive heat. Place the Router 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 the operating system supporting the TCP/IP protocol.
2.2 LED explanation
The front panel of ADSL2+ Router includes one power indicator and eight function indicators, as
explained in following chart:
Name
Status
On
Power
Off
Flash
On
ADSL
Off
On
Alarm
Off
Flash
ACT
Off
On
Off
LAN(1~4)
Flash
On
Off
USB
Flash
2.3 Rear-panel
ON/OFF: Turn on/off the ADSL2+ Router's power.
POWER: please do not use any unknown power adaptor; otherwise your ADSL2+ Router
TD-8841
Power is OK
Power fail
The ADSL Router is training
The LINE port is linked up
The LINE port is linked down
There is a mistake when ADSL is transmitting or receiving data
ADSL works normally
There is data being transferred on WAN port
No data is being transferred on WAN port
The LAN port is connected but there is no data being transferred
There is no physical connection
There is data being transferred on LAN port
The port has been connected but there is no data being transferred
There is no physical connection
There is data being transferred on USB port
External ADSL2+ Router User Guide
Indication
4
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