D-Link DSL-2740E User manual

DSL-2740E
User Manual

DSL-2740E User Manual
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FCC Statement
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
–Reorient or relocate the receiving antenna.
–Increase the separation between the equipment and receiver.
–Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
–Consult the dealer or an experienced radio/TV technician for help.
To assure continued compliance, any changes or modifications not expressly
approved by the party responsible for compliance could void the user’s authority to
operate this equipment. (Example- use only shielded interface cables when
connecting to computer or peripheral devices).
FCC Radiation Exposure Statement
This device complies with FCC radiation exposure limits set forth for an
uncontrolled environment and it also complies with Part 15 of the FCC RF Rules.
This equipment must be installed and operated in accordance with provided
instructions and the antenna(s) used for this transmitter must be installed to
provide a separation distance of at least 20 cm from all persons and must not be
co-located or operating in conjunction with any other antenna or transmitter.
End-users and installers must be provide with antenna installation instructions and
consider removing the no-collocation statement.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2)

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this device must accept any interference received, including interference that may
cause undesired operation.
Caution!
Any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
FCC - PART 68
This equipment complies with Part 68 of the FCC rules and the requirements
adopted by the ACTA. On the bottom of this equipment is a label that contains,
among other information, a product identifier in the format US:3P7DL01B2750EV1.
If requested, this number must be provided to the telephone company.
This equipment uses the following USOC jacks: RJ-45&RJ-11
REN (RINGER EQUIVALENT NUMBERS) STATEMENT Notice: The Ringer
Equivalence Number (REN) assigned to each terminal device provides an
indication of the maximum number of terminals allowed to be connected to a
telephone interface. The termination on an interface may consist of any
combination of devices subject only to the requirement that the sum of the Ringer
Equivalence Numbers of all the devices does not exceed 5.
ATTACHMENT LIMITATIONS STATEMENT
Notice: This equipment meets telecommunications network protective, operational
and safety requirements as prescribed in the appropriate Terminal Equipment
Technical Requirements document(s). This is confirmed by marking the equipment
with the Industry Canada certification number. The Department does not guarantee
the equipment will operate to the user's satisfaction.
Before installing this equipment, users should ensure that it is permissible to be
connected to the facilities of the local telecommunications company. The
equipment must also be installed using an acceptable method of connection. The
customer should be aware that compliance with the above conditions may not
prevent degradation of service in some situations.
Repairs to certified equipment should be coordinated by a representative
designated by the supplier. Any repairs or alterations made by the user to this
equipment, or equipment malfunctions, may give the telecommunications company
cause to request the user to disconnect the equipment.

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Users should ensure for their own protection that the electrical ground connections
of the power utility, telephone lines and internal metallic water pipe system, if
present, are connected together.
This precaution may be particularly important in rural areas. Caution: Users should
not attempt to make such connections themselves, but should contact the
appropriate electric inspection authority, or electrician, as appropriate.

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Contents
1Introduction ........................................................................................................1
1.1Safety Precautions ................................................................................1
1.2LEDs and Interfaces..............................................................................2
1.3System Requirements...........................................................................4
1.4Features ................................................................................................4
2Hardware Installation .........................................................................................6
3Web Configuration .............................................................................................7
3.1Accessing the Device............................................................................7
3.2Setup...................................................................................................10
3.2.1Wizard.......................................................................................10
3.2.2Local Network...........................................................................16
3.2.3Internet Setup...........................................................................26
3.2.4Wireless Setup..........................................................................34
3.2.5Time and Date..........................................................................40
3.3Advanced.............................................................................................42
3.3.1Advanced Wireless...................................................................42
3.3.2Access Control List...................................................................48
3.3.3Port Triggering..........................................................................52
3.3.4Port Forwarding........................................................................54
3.3.5DMZ..........................................................................................55
3.3.6Parental Control........................................................................56
3.3.7Filtering Options........................................................................60
3.3.8DoS Settings.............................................................................64
3.3.9DNS..........................................................................................65
3.3.10Dynamic DNS......................................................................67
3.3.11Network Tools......................................................................69
3.3.12Routing................................................................................81
3.3.13NAT .....................................................................................85
3.4Maintenance........................................................................................89
3.4.1System......................................................................................89
3.4.2Firmware Update......................................................................91
3.4.3Password..................................................................................92
3.4.4Diagnostics...............................................................................93
3.4.5System Log...............................................................................96

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3.4.6Logout.......................................................................................98
3.5Status...................................................................................................98
3.5.1Device Info................................................................................98
3.5.2Wireless Clients......................................................................100
3.5.3DHCP Clients..........................................................................101
3.5.4ADSL Driver............................................................................101
3.5.5Statistics..................................................................................102
3.5.6Route Information...................................................................103
3.6Help...................................................................................................104

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1 Introduction
The DSL-2740E supports multiple line modes. With one 10/100 base-T Ethernet
interfaces at the user end, the device provides high-speed ADSL broadband
connection to the Internet or Intranet for high-end users like net bars and office
users. It provides high performance access to the Internet with a downstream rate
of 24 Mbps and an upstream rate of 1 Mbps. It supports IPv6.
It complies with specifications of IEEE 802.11, 802.11b/g/n, WEP, WPA, and WPA2
security. The WLAN of the device supports 2T2R.
1.1 Safety Precautions
Take the following instructions to prevent the device from risks and damage caused
by fire or electric power:
Use the type of power marked in the volume label.
Use the power adapter in the product package.
Pay attention to the power load of the outlet or prolonged lines. An
overburden power outlet or damaged lines or plugs may cause electric
shock or fire accidents. Check the power cords regularly. If you find any
damage, replace it at once.
Proper space left for heat dissipation is necessary to avoid damage caused
by overheating to the device. The long and thin holes on the device are
designed for heat dissipation to ensure that the device works normally. Do
not cover these heat dissipation holes.
Do not put this device close to a heat source or under a high temperature
occurs. Keep the device away from direct sunshine.
Do not put this device close to an overdamp or watery place. Do not spill
fluid on this device.
Do not connect this device to a PC or electronic product unless instructed by
our customer engineer or your broadband provider. Wrong connection may
cause power or fire risk.
Do not place this device on an unstable surface or support.

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1.2 LEDs and Interfaces
Note:
The figures in this document are for reference only.
Front Panel
Figure 1 Front panel
The following table describes the LEDs of the device.
LED Color Status Description
Power
Green On The initialization of the system
is complete.
Red On The device is powered on.
Blinking The firmware is upgrading.
/ / /
LAN 1/2/3/4
Green
Off The Ethernet interface is not
properly connected.
Blinking The Ethernet interface is properly connected and data is
being transmitted.
On The Ethernet interface is properly connected, but no data
is being transmitted.
WLAN Green
Blinking The WLAN function is enabled and data is being transmitted
on the WLAN.
On The WLAN function is enabled, but no data is being transmitted
on the WLAN.
Off The WLAN function is disabled.
Blue Solid
light Connection is successfully established between the router

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LED Color Status Description
WPS
and the client, the LED would
light steady for 5 seconds.
Blinking WPS is successfully triggered.
Off Device is ready for new WPS
setup.
DSL Green
Off No signal is being detected.
Blinking The device is handshaking with the physical layer of the office
end.
On A connection is set up with the
physical layer of the office end.
Internet
Green Off The device is under the Bridge
mode or powered off.
On A connection is set up and no
traffic is detected.
Red On
The authentication of the PPP
dial-up is failed or MER is failed
to obtain the correct IP
address.
Rear Panel
Figure 2 Rear panel
The following table describes the interface of the device.
Interface/Button Description
DSL RJ-11 interface for connecting the host to the telephone jack on the wall or the MODEM interface of the splitter
through a telephone line.

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LAN4/3/2/1 For a PC or other Ethernet-abled device to join the LAN of 2740E by being connected to this interface with RJ-45
cable.
WPS Press and hold the button for 3 seconds start WPS
negotiation.
WIRELESS
ON/OFF Press and hold the button for 2 seconds start WLAN.
ON/OFF Power switch, which is used to power on or power off the
host.
12V DC IN
(power) Interface for connecting the power adapter.
Reset (On the
bottom side) Press and hold the button for 4 seconds to restore the factory defaults.
1.3 System Requirements
A 10 baseT/100BaseT Ethernet card installed on your PC
A hub or switch (attached to several PCs through one of Ethernet interfaces
on the device)
Operating system: Windows Vista, Windows 7, Windows 98SE, Windows
2000, Windows ME or Windows XP
Internet Explorer V5.0 or higher, Netscape V4.0 or higher, or Firefox 1.5 or
higher
1.4 Features
Various line modes
External PPPoE dial-up access
Internal PPPoE and PPPoA dial-up access
Leased line mode
1483B, 1483R, and MER access
Multiple PVCs (eight at most) and these PVCs can be isolated from each
other
A single PVC with multiple sessions
Multiple PVCs with multiple sessions
Binding of ports with PVCs

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802.1Q and 802.1P protocol
DHCP server
NAT and NAPT
Static route
Firmware upgrade: Web, TFTP, FTP
Reset to the factory defaults
DNS relay
Virtual server
DMZ
Two-level passwords and user names
Web user interface
Telnet CLI
System status display
PPP session PAP and CHAP
IP filter
IP QoS
Remote access control
Line connection status test
Remote management (telnet and HTTP)
Backup and restoration of configuration file
Ethernet interface supports crossover detection, auto-correction and polarity
correction
UPnP
IPV6

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2 Hardware Installation
Step 1 Connect the DSL port of the device and the Modem port of the splitter
with a telephone cable. Connect the phone to the Phone port of the
splitter through a telephone cable. Connect the incoming line to the Line
port of the splitter.
The splitter has three ports:
Line: Connect to a wall phone port (RJ-11 jack).
Modem: Connect to the DSL port of the device.
Phone: Connect to a telephone set.
Step 2 Connect a LAN port of the device to the network card of the PC through
an Ethernet cable (MDI/MDIX).
Step 3 Plug one end of the power adapter to the wall outlet and the other end to
the Power (12V DC IN) port of the device.
Figure 3 displays the application diagram for the connection of the device, PC,
splitter and telephone sets, when no telephone set is placed before the splitter.
Figure 3 Connection diagram

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3 Web Configuration
This chapter describes how to configure the device by using the Web-based
configuration utility.
Note:
This user manual is applied for DSL-2740U& DSL-2740E.
3.1 Accessing the Device
The following is the detailed description of accessing the device for the first time.
Step 1 Open the Internet Explorer (IE) browser and enter http://192.168.1.1.
Step 2 The Login page shown in the following figure appears. Enter the user
name and password. The user name and password of the super user are
admin and admin respectively.

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If you log in as the super user successfully, the page shown in the following figure
divided into two parts appears. This page displays a summary overview of the
router, including the system information, DSL information, LAN Configuration, DNS
information and WAN Configuration.
Figure 4 Device information - 1

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Figure 5 Device information – 2

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3.2 Setup
In the main interface, click Setup tab to enter the Setup menu as shown in the
following figure. The submenus are Wizard, Local Network,Internet Setup,
Wireless Setup and Time and Date.
3.2.1 Wizard
Wizard enables fast and accurate configuration of Internet connection and other
important parameters. The following sections describe configuration parameters.
When subscribing to a broadband service, you should be aware of the method, by
which you are connected to the Internet.
Technical information about the properties of your Internet connection is provided
by your Internet service provider (ISP). For example, your ISP should inform you
that you are connected to the Internet using a static or dynamic IP address, and the
protocol you use to communicate over the Internet, such as PPPoA or PPPoE.
Choose Setup > Wizard. The page shown in the following figure appears.
Click Setup Wizard. The page shown in the following figure appears.

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There are 5 steps to configure the device. Click Next to continue.
Step 1 Change the device login password.
Step 2 Set the time and date.

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Step 3 Configure the Internet connection.
If the internet service you subscribed is PPPoE or PPPoA,you can choose the
Protocol to be PPPoE or PPPoA. Set the VPI and VCI. Enter the user name and
password provided by your ISP.

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If the internet service you subscribed is Dynamic IP, you can choose Protocol to
be Dynamic IP. The page shown in the following figure appears.
If the Protocol is Static IP, you can choose Protocol to be Static IP. The page
shown in the following figure appears. Enter the IP Address, Subnet Mask,
Default Gateway and Primary DNS Server provided by your ISP.

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If the Protocol is Bridge, the page shown in the following figure appears.