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D-Link DSL-2870B Dual Band Wireless N750 Gigabit ADSL2+ Modem Router User Manual
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Hardware Overview
Front Panel
Number
Description
1
Power
- A steady green light indicates the unit is
powered on. When the device is powered off this
remains dark. During the Power On Self Test this light
will be red. If this light remains red after the POST, a
malfunction has occurred.
2
LAN
- A solid light indicates a valid link on startup.
This light will blink when there is activity currently
passing through the Ethernet port. A green light will be
illuminated for a 10/100Mbps connection and an
amber light will be illuminated for a 1000Mbps
connection.
3
2.4GHz WLAN
- Steady green light indicates a
wireless connection. A blinking green light indicates
activity on the WLAN
4
5GHz WLAN
- Steady green light indicates a wireless
connection. A blinking green light indicates activity on
the WLAN
5
WPS
- The light will flash while a WPS connection is
being established. The light will light solid for 5
seconds if a successful WPS connection has been
made.
6
USB
- Steady green light indicates a successful USB
connection. Dark if no USB device is connected.
7
DSL
- Steady green light indicates a valid ADSL
connection. This will light after the ADSL negotiation
process has been settled. A blinking green light
indicates activity on the WAN (ADSL) interface.
8
Internet
- Steady green light indicates a successful
Internet connection. Steady red light indicates failed
Internet connection. Dark if no WAN protocol is
configured.
Page 7 / 143
D-Link DSL-2870B Dual Band Wireless N750 Gigabit ADSL2+ Modem Router User Manual
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Rear Panel
Number
Description
1
ADSL Port
- Use the DSL cable to connect to
your telephone line (RJ-11 port).
2
USB Port
- Use the USB port to connect your
USB device.
3
Ethernet Ports
- Use the Ethernet ports to
connect the router to your Ethernet LAN or
Ethernet devices.
4
5GHz Wireless On/Off Switch Button
- Please
press and hold on for 3 seconds to turn on/turn
off.
5
2.4GHz Wireless On/Off Switch Button
-
Please press and hold on for 3 seconds to turn
on/turn off.
6
Reset Button
- Press and hold the button for 10-
15 seconds to restore the device to its original
factory default settings.
7
Power Button
- Push in to power-on the router.
Push again to power-off the router.
8
Power Receptor
- Receptor for the supplied
power adapter.
Page 8 / 143
D-Link DSL-2870B Dual Band Wireless N750 Gigabit ADSL2+ Modem Router User Manual
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Basic 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.
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.
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 standard telephone cable. Ask your service provider for more information about the use of low pass filters with your installation.
Operating Systems
The DSL-2870B 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 Windows
®
, Macintosh, and Linux-based Operating Systems.
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 7 or higher, Firefox 3.5 or higher, Safari 4 or higher, or Chrome 8 or higher.. 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 one of the Ethernet ports on the router. This 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 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 must install an adapter, follow the installation instructions that come with the Ethernet NIC adapter.
Page 9 / 143
D-Link DSL-2870B Dual Band Wireless N750 Gigabit ADSL2+ Modem Router User Manual
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Additional Software
It may be necessary to install software on your computer that enables the computer to access the Internet. Additional software must be installed if you are using the device a
simple bridge. For a bridged connection, the information needed to make and maintain the Internet connection is stored on another computer or gateway device, not in the
router itself.
If your ADSL service is delivered through a PPPoE or PPPoA connection, the information needed to establish and maintain the Internet connection can be stored in the
router. In this case, it is not necessary to install software on your computer. It may however be necessary to change some settings in the device, including account information
used to identify and verify the connection.
All connections to the Internet require a unique global IP address. For bridged connections, the global IP settings must reside in a TCP/IP enabled device on the LAN side of
the bridge, such as a PC, a server, a gateway device such as a router or similar firewall hardware. The IP address can be assigned in a number of ways. Your network
service provider will give you instructions about any additional connection software or NIC configuration that may be required.
Page 10 / 143
D-Link DSL-2870B Dual Band Wireless N750 Gigabit ADSL2+ Modem Router User Manual
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Information you will need from your ADSL service provider
Username
This is the Username used to log on to your ADSL service provider’s network. Your ADSL service provider uses this to identify
your account.
Password
This is the Password used, in conjunction with the Username above, to log on to your ADSL service pro
vider’s network. This is used to verify the identity of your account.
WAN Setting / Connection Type
These settings describe the method your ADSL service provider uses to transport data between the Internet and your computer. Most users will use the default settings. You
may need to specify one of the following WAN Setting and Connection Type configurations (Connection Type settings listed in parenthesis):
PPPoE/PPPoA (PPPoE LLC, PPPoE VC-Mux, PPPoA LLC or PPPoA VC-Mux)
Static IP Address (1483 Routed IP LLC or 1483 Routed IP VC-Mux)
Bridge Mode (1483 Bridged IP LLC or 1483 Bridged IP VC Mux)
Modulation Type
ADSL uses various standardized modulation techniques to transmit data over the allotted signal frequencies. Some users may need to change the type of modulation used for
their service. The default DSL modulation (Autosense) used for the router automatically detects all types of ADSL, ADSL2, and ADSL2+ modulation.
Security Protocol
This is the method your ADSL service provider will use to verify your Username and Password when you log on to their network. Your router supports the PAP and CHAP
protocols.
VPI
Most users will not be required to change this setting. The Virtual Path Identifier (VPI) is used in conjunction with the Virtual Channel Identifier (VCI) to identify the data path
between your ADSL service provider’s network and your computer. If you are setting up the
router for multiple virtual connections, you will need to configure the VPI and VCI
as instructed by your ADSL service provider for the additional connections. This setting can be changed in the WAN Settings window of the web management interface.
VCI
Most users will not be required to change this setting. The Virtual Channel Identifier (VCI) used in conjunction with the VPI to identify the data path between your ADSL
service provider’s network and your computer. If you are setting up the
router for multiple virtual connections, you will need to configure the VPI and VCI as instructed by your
ADSL service provider for the additional connections. This setting can be changed in the WAN Settings window of the web management interface.

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