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2
D-Link DSL-2680 User Manual
Chapter 1 - Overview
Features
y
PPP (Point-to-Point Protocol) Security
– The Router supports PAP (Password Authentication Protocol) and CHAP (Challenge Handshake
Authentication Protocol) for PPP connections. The Router also supports MSCHAP.
y
DHCP Support
– Dynamic Host Configuration Protocol automatically and dynamically assigns all LAN IP settings to each host on your network.
This eliminates the need to reconfigure every host whenever changes in network topology occur.
y
Network Address Translation (NAT)
– For small office environments, the Router allows multiple users on the LAN to access the Internet
concurrently through a single Internet account. This provides Internet access to everyone in the office for the price of a single user. NAT improves
network security in effect by hiding the private network behind one global and visible IP address. NAT address mapping can also be used to link
two IP domains via a LAN-to-LAN connection.
y
TCP/IP (Transfer Control Protocol/Internet Protocol)
– The Router supports TCP/IP protocol, the language used for the Internet. It is compatible
with access servers manufactured by major vendors.
y
Default Routing
– This allows you to choose a default path for incoming data packets for which the destination address is unknown. This is
particularly useful when/if the Router functions as the sole connection to the Internet.
y
Precise ATM Traffic Shaping
– Traffic shaping is a method of controlling the flow rate of ATM data cells. This function helps to establish the
Quality of Service for ATM data transfer.
y
Easy Installation
– The Router uses a Web-based graphical user interface program for convenient management access and easy set up. Any
common Web browser software can be used to manage the Router.
Page 7 / 68
3
D-Link DSL-2680 User Manual
Chapter 1 - Overview
Hardware Overview
Rear Panel - Connections
ADSL Port
Use the ADSL cable to connect
to your telephone line (RJ-11
port).
Power Receptacle
Use the adapter shipped
with the
Router to
connect to the power
source.
Power On/Off Button
Use this button to power the
Router on and off.
Ethernet Ports
Use the Ethernet ports to connect the
Router to a computer or an Ethernet
LAN.
Reset Button
To manually reset the Router
to factory settings, depress
button with the power on for
about 6 to 8 seconds.
Page 8 / 68
4
D-Link DSL-2680 User Manual
Chapter 1 - Overview
Front Panel - LED Indicators
Internet
A solid green light indicates that the WAN IP address from
IPCP or DHCP and DSL is up, or a static IP address is
configured and PPP negotiation has been successfully
completed. If the indicator blinks green, this means the Router
is active. If the Router power is off, this remains dark. A solid
red light indicates there is no DHCP response, no PPPoE
response, PPPoE authentication has failed, or there is no IP.
LAN
A solid green light indicates a valid link on startup.
This light will blink when there is activity currently
passing through the Ethernet port.
Power
A steady green light indicates the
unit is powered on. This remains
dark when power is off. A red
colored LED indicates system
failure.
WLAN
A steady green indicates a wireless
connection. A blinking green light
indicates activity on the wireless
LAN interface.
DSL
A steady green light indicates a valid ADSL
connection. This will light after the ADSL
negotiation process has been settled. A
blinking green light indicates the ADSL line
is in the process of synchronizing.
WPS
A steady green light indicates a
connection has been successfully
established between the Router
and the client. The LED will
remain solid for 5 seconds.
This light will blink when WPS
is successfully triggered. A dark
light means the device is ready
for new WPS setup.
Page 9 / 68
5
D-Link DSL-2680 User Manual
Chapter 1 - Overview
Right Side Panel - WPS Button
WPS Button
Use the WPS button on the right side
panel of the Router to establish a
secure connection to wireless clients
that support WPS (Wi-Fi Protected
Setup).
Note
: For instructions on how to use the WPS button, please see “Wi-Fi Protected Setup” on page 50.
Page 10 / 68
6
D-Link DSL-2680 User Manual
Chapter 2 - Installation
Installation
This section will walk you through the installation process. Placement of the Router is very important. Do not place the Router in an enclosed area such as a closet,
cabinet or in the attic or garage. Place the Router in a location where it can be easily connected to Ethernet devices, the telephone line, and a power source.
Before You Begin
Please read and make sure you understand all the prerequisites for proper installation of your new Router. Have all the necessary information and equipment on
hand before beginning the installation.
Installation Notes
In order to establish a connection to the Internet it will be necessary to provide information to the Router that will be stored in its memory. For some users, only their
account information (Username and Password) is required. For others, various parameters that control and define the Internet connection will be required. You can
print out the two pages below and use the tables to list this information. This way you have a hard copy of all the information needed to set up the Router. If it is
necessary to reconfigure the device, all the necessary information can be easily accessed. Be sure to keep this information safe and private.
Low Pass Filters
Since ADSL and telephone services share the same copper wiring to carry their respective signals, a filtering mechanism may be necessary to avoid mutual interference.
A low pass filter device can be installed for each telephone that shares the line with the ADSL line. These filters are easy to install passive devices that connect to the
ADSL device and/or telephone using a standard telephone cable. Ask your service provider for more information about the use of low pass filters with your installation.
Operating Systems
The Router uses an HTML-based Web interface for setup and management. The Web configuration manager may be accessed using any operating system capable of
running Web browser software, including Microsoft Windows 98 SE, Windows ME, Windows 2000, Windows XP, Windows Vista, Windows 7, and Macintosh Mac OSX.
Web Browser
Any common Web browser can be used to configure the Router using the Web configuration management software. The program is designed to work best with more
recently released browsers such as Internet Explorer v6.0 or later, Mozilla Firefox v1.0 or later, Safari 2.0 or later, and Google Chrome 1.0 or later. The Web browser
must have JavaScript enabled. JavaScript is enabled by default on many browsers. Make sure JavaScript has not been disabled by other software (such as virus
protection or web user security packages) that may be running on your computer.
Ethernet Port (NIC Adapter)
Any computer that uses the Router must be able to connect to it through the Ethernet port on the Router. The connection is an Ethernet connection and therefore
requires that your computer be equipped with an Ethernet port as well. Most notebook computers are now sold with an Ethernet port already installed. Likewise, most
fully assembled desktop computers come with an Ethernet NIC adapter as standard equipment. If your computer does not have an Ethernet port, you must install
an Ethernet NIC adapter before you can use the Router. If you need to install an adapter, follow the installation instructions that come with the Ethernet NIC adapter.

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