D-Link DSL-2750E Router Manual PDF (Setup & Configuration Guide)

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DSL-2750E User Manual

3

LED

Color

Status

Description

WLAN

Green

Blinks

Data is transmitted through the WLAN

interface.

On

The connection of WLAN interface is

normal.

Off

The WLAN connection is not established.

WPS

Blue

Blinks

WPS negotiation is enabled, waiting for

the clients.

Off

WPS negotiation is not enabled on the

device.

USB

Green

On

The connection of 3G or USB flash disk

has been established.

Blinking

Data is being transmitted.

Off

The connection of 3G or USB flash disk

is not established.

DSL

Green

Off

Initial self-test is failed.

Blinks

The device is detecting itself.

On

Initial self-test of the unit has passed and

is ready.

Internet

Green

Off

The device is under the Bridge mode,

DSL connection is not present, or the

power is off.

Blinks

Internet data is being transmitted in the

routing mode.

On

The IP is connected.

Red

On

The device is attempted to become IP

connected, but failed.

Rear Panel

Figure 2 Rear panel

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4

The following table describes the interface of the device.

Interface/Button

Description

DSL

RJ-11 interface that connects to the telephone set through

the telephone cable.

LAN4/3/2/1

Ethernet RJ-45 interfaces that connect to the Ethernet

interfaces of computers or Ethernet devices.

USB

USB port, for connecting the 3G network card or other USB

storage devices.

WPS

Press the button for 1 second to enable WPS function.

WIRELESS

ON/OFF

Press the button silently to enable WLAN function.

ON/OFF

Power on or off the device.

12V DC IN

Interface that connects to the power adapter. The power

adapter output is: 12V DC 1A.

Reset (on the

bottom case)

Reset to the factory defaults. To restore factory defaults,

keep the device powered on and push a paper clip into the

hole. Press down the button for 1 second and then release.

1.4 System Requirements



A 10 baseT/100BaseT Ethernet card is 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

1.5 Features



Various line modes



External PPPoE dial-up access



Internal PPPoE and PPPoA dial-up access



Leased line mode



1483B, 1483R, and MER access

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

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



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



3G WAN and 3G Backup



Samba for USB storage

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2 Hardware Installation

2.1 DSL Uplink Connection

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).

Note:

Use twisted-pair cables to connect the device to a Hub or switch.

Step 3

Plug one end of the power adapter to the wall outlet and the other end

to the

Power

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.

3.1 Accessing the Device

The following is the detailed description of accesing 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 and click

Login

.



The user name and password of the super user are

admin

and

admin

.

3.2 Setup

3.2.1 Wizard

After login, the

Wizard

page under

Setup

tab appears.

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. Your physical WAN device can be

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