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TD-8840
ADSL2+ Modem Router User Guide
5
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. The electrical outlet
shall be installed near the device and shall be easily accessible.
2.1 System Requirement
Confirm your computer has been installed with networking interface card (NIC) before connecting
ADSL2+ Modem Router to your computer, with the operating system supporting the TCP/IP
protocol.
2.2 The Front Panel
The front panel of ADSL2+ Modem Router includes one power indicator and seven function
indicators, as explained in chart below.
LED Explanation
Name
Status
Indication
On
Power is on.
Power
Off
Power is off.
On
The LINE port is linked up.
Flash
The ADSL negotiation is in progress.
ADSL
Off
The LINE port is linked down.
On
A successful PPP connection has been built.
Flash
Data is being transferred over the Internet.
Internet
Off
There is no successful PPP connection or the Router works on
Bridge mode.
On
There is a successful connection on the corresponding 1~4 (LAN)
port but no activity.
Off
There is no connection on the corresponding 1~4 (LAN) port or the
connection is abnormal.
1~4 (LAN)
Flash
Data is being transferred over the 1~4 (LAN) port.
Page 12 / 63
TD-8840
ADSL2+ Modem Router User Guide
6
2.3
The Rear Panel
¾
ON/OFF
: Turn on/off the ADSL2+ Modem Router’s power.
¾
POWER
: Please do not use any unknown power adapter; otherwise your ADSL2+ Modem
Router may be damaged.
¾
RESET (reset default)
: With the Router powered on, use a pin to press and hold the
Reset
button for at least 5 seconds. And then release the button and wait the Router to reboot to its
factory default settings.
¾
1~4(LAN)
: Connect with your computer’s NIC.
¾
LINE (WAN)
: Connect to the MODEM Port of Splitter or connect to the telephone line port.
2.4
Environment Requirements
¾
Place your Router on the flat and stable platform.
¾
Place your Router in a well ventilated place far from direct sunlight, any heater or heating
vent.
¾
Leave at least 2 inches (5cm) space around the device for heat dissipation.
¾
Keep your Router away from appliances with a strong electric field or magnetic field, such as
a microwave oven or refrigerator.
¾
Turn off your Router and unplug the power adapter in a lighting storm to avoid damage.
¾
The electrical outlet shall be installed near the device and shall be easily accessible.
2.5
Hardware Installation Procedures
Before connecting the Router to your computer, make sure your broadband service provided by
your ISP is available. Cut off the power supply and keep your hands dry. The procedure to
connect the Router can be described in the following steps.
First Step
: Connect the MODEM port of Splitter with the TD-8840 ADSL2+ Modem Router’s LINE
port by telephone line. If you need to use a telephone, please attach telephone line into the phone
port of Splitter.
Second Step
: Connect category 5 cable with RJ45 jacks to the Router’s LAN port and your
computer’s NIC.
Page 13 / 63
TD-8840
ADSL2+ Modem Router User Guide
7
Third Step
: Plug one end of the AC Power Adapter into the Power jack on the Router and the
other end to a standard electrical outlet.
Last Step
: Check the line connection to see if everything is ready. Power up finally.
Figure 2-1
Page 14 / 63
TD-8840
ADSL2+ Modem Router User Guide
8
Chapter 3. Quick Installation Guide
3.1
Configure PC
After you directly connect your PC to the TD-8840 or connect your adapter to a Hub/Switch which
has connected to the Router, you need to configure your PC’s IP address. Now you have two
ways to configure the TCP/IP protocol below:
¾
Setting IP address automatically
Step 1:
Click the
Start
menu on your desktop, right click
My Network Places
, and then select
Properties
(shown in Figure 3-1).
Figure 3-1
Step 2:
Right click
Local Area Connection
(LAN), and then select
Properties
.
Page 15 / 63
TD-8840
ADSL2+ Modem Router User Guide
9
Figure 3-2
Step 3:
Select
General
tab, highlight Internet Protocol (TCP/IP), and then click the
Properties
button.
Figure 3-3
Step 4:
Select “Obtain an IP address automatically” and “Obtain DNS server address
automatically” in the screen below. And then click
OK
.

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