D Link SL2750EA1 User Manual

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DSL-2750E

User Manual

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Contents

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1 Introduction.........................................................................................1

1.1

Package List.......................................................................1

1.2

Safety Cautions.................................................................. 1

1.3

LEDs and Interfaces...........................................................2

1.4

System Requirements........................................................ 4

1.5

Features.............................................................................5

2 Hardware Installation..........................................................................7

3 About the Web Configurator..............................................................11

3.1

Access the Device............................................................ 11

3.2

Setup................................................................................12

3.2.1

Wizard......................................................................12

3.2.2

Internet Setup..........................................................18

3.2.3

Wireless Setup.........................................................21

3.2.4

Local Network..........................................................24

3.2.5

Time and Date .........................................................26

3.2.6

Logout......................................................................28

3.3

Advanced.........................................................................28

3.3.1

3.3.2

3.3.3

3.3.4

3.3.5

Advanced Wireless..................................................28

Port Forwarding .......................................................34

DMZ.........................................................................37

Parental Control....................................................... 38

Filtering Options.......................................................42

3.3.6

3.3.7

3.3.8

3.3.9

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Firewall Settings.......................................................48

DNS.........................................................................49

Dynamic DNS ..........................................................50

Network Tools..........................................................52

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3.3.10 Routing ....................................................................65

3.3.11 Schedules................................................................68

3.4

Maintenance.....................................................................69

3.4.1

System.....................................................................69

3.4.2

Firmware Update ..................................................... 71

3.4.3

Access Controls....................................................... 72

3.4.4

Diagnostics..............................................................76

3.4.5

System Log..............................................................77

3.5

Status...............................................................................79

3.5.1

Device Info...............................................................79

3.5.2

Wireless Clients.......................................................81

3.5.3

DHCP Clients...........................................................81

3.5.4

Logs.........................................................................82

3.5.5

Statistics...................................................................83

3.5.6

Route info ................................................................85

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1 Introduction

The DSL-2750E supports multiple line modes. It provides four 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, such as net bars and office users. It provides high performance access to the Internet, downstream up to 24 Mbps and upstream up to 1 Mbps. The device supports WLAN access, such as WLAN AP or WLAN device, to the Internet. It complies with IEEE

802.11,802.11b/g specifications, WEP, WPA, and WPA2 security specifications.

1.1 Package List

 1 x DSL-2750E  1 x external splitter  1 x power adapter  2 x telephone cables (RJ-11, more than 1.8m)  1 x Ethernet cable (RJ-45, more than 1.8m)  1 x USB cable (usb, more than 1m)  1 x user manual  1 x quality guarantee card  1 x certificate of quality

1.2 Safety Cautions

Follow the following instructions to prevent the device from risks and damage caused by fire or electric power:

 Use volume labels to mark the type of power.  Use the power adapter packed within the device

package.

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 Pay attention to the power load of the outlet or prolonged

lines. An overburden power outlet or damaged lines and plugs may cause electric shock or fire accident. 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 place where a heat

source exits or high temperature occurs. Avoid the device from direct sunshine.

 Do not put this device close to a place where it is over

damp or watery. Do not spill any fluid on this device.

 Do not connect this device to any PCs or electronic

products, unless our customer engineer or your broadband provider instructs you to do this, because any wrong connection may cause power or fire risk.

 Do not place this device on an unstable surface or

support.

1.3 LEDs and Interfaces

Front Panel

Figure 1 Front panel

The following table describes the LEDs of the device.

LED Color Status

Off The power is off. Power

Green

The power is on and the initialization is normal.

Description

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LED Color Status

Red

LAN 1/2/3/4

WPS Blue

WLAN

Off

Green

On The device is initiating. Blinks The firmware is upgrading. Off No LAN link.

Blinks

Off

Blinks

Off

Off Initial self-test is failed.

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Description

Data is being transmitted through the LAN interface. The connection of LAN interface is normal. WPS negotiation is enabled, waiting for the clients. WPS negotiation is not enabled on the device. Data is transmitted through the WLAN interface. The connection of WLAN interface is normal. The WLAN connection is not established.

DSL Green

USB Green

Green

Internet

Red On

Blinks The device is detecting itself. On

Blinks

Off

On IP is connected.

Initial self-test of the unit has passed and is ready. Data is transmitted through the USB interface. USB negotiation is not enabled on the device. The device is under the Bridge mode, DSL connection is not present, or the power is off.

The device is attempted to become IP connected, but failed.

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Rear Panel

Figure 2 Rear panel

The following table describes the interface of the device.

Interface/Button

DSL

LAN1/2/3/4

Power Interface that connects to the power adapter.

Reset

RJ-11 interface that connects to the telephone set through the telephone cable. Ethernet RJ-45 interfaces that connect to the Ethernet interfaces of computers or Ethernet devices.

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 over 5 seconds and release.

Description

Power on or off.

1.4 System Requirements

Recommended system requirements are as follows:  An 10 baseT/100BaseT Ethernet card is installed on your

 A hub or switch (attached to several PCs through one of

Ethernet interfaces on the device)

 Operating system: 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

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1.5 Features

The device supports the following features:

 Various line modes  External PPPoE dial-up access  Internal PPPoE and PPPoA dial-up access  Leased line mode  Zero installation PPP bridge mode (ZIPB)  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  802.1Q and 802.1P protocol  DHCP server  NAT and NAPT  Static route  Firmware upgrade: Web, TFTP  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

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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: Connectto a telephone set.

Step 2 Connect the 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 with the Hub or switch.

Step 3 Plug one end of the power adapter to the wall outlet

and connect the other end to the Power port of the

device. Connection 1: 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.

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Figure 3 Connection diagram (without telephone sets before the splitter)

Connection 2: Figure 4 displays the application diagram for the connection of the device, PC, splitter and telephone sets when a telephone set is placed before the splitter. As illustrated in the following figure, the splitter is installed close to the device.

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Figure 4 Connection diagram (with a telephone set before the splitter)

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Connection 1 is recommended.

Note:

When connection 2 is used, the filter must be installed close to the telephone cable. See Figure 4. Do not use the splitter to replace the filter.

Installing a telephone directly before the splitter may lead to failure of connection between the device and the central office, or failure of Internet access, or slow connection speed. If you really need to add a telephone set before the splitter, you must add a microfilter before a telephone set. Do not connect several telephones before the splitter or connect several telephones with the microfilter.

Figure 5 Wall Mount Description.

The device can be hung on the wall, as shown in annex pictures

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3 About the Web Configurator

This chapter describes how to configure the device by using the Web-based configuration utility.

3.1 Access 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.

 The user name and password of the super user

are admin and admin.

 The user name and password of the normal user

are user and user.

If you log in as the super user successfully, the page shown in the following figure appears.

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If the login information is incorrect, the page shown in the following figure appears. Click Try Again to log in again.

3.2 Setup

3.2.1 Wizard

Wizard enables fast and accurate configuration of Internet

connection and other important parameters. The following sections describe these various configuration parameters. When subscribing to a broadband service, you should be aware of the method, by which you are connected to the

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Internet. Your physical WAN device can be Ethernet, DSL, or both. Technical information about the properties of your Internet connection is provided by your Internet service provider (ISP). For example, your ISP should inform you whether you are connected to the Internet using a static or dynamic IP address, or the protocol, such as PPPoA or PPPoE, that you use to communicate over the Internet. Step 1 Choose Setup > Wizard. The page shown in the

following figure appears.

Step 2 Click Setup Wizard. The page shown in the following

figure appears.

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Step 3 There are five steps to configure the device. Click

Next to continue. Step 4 Change the password for logging in to the device.

The default password is admin. To secure your

network, modify the password timely.

Note:

Confirm password must be the same as the new password.

To ignore the step, click Skip. Step 5 Set the time and date.

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Step 6 Configure the Internet connection.

Select the country and ISP. Set the VPI and VCI. If

you fail to find the country and ISP from the

drop-down lists, select Others. Click Next. If the

Protocol is PPPoE or PPPoA, the page shown in

either of the two following figures appears.

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Set the user name and password.

If the Protocol is Static IP, the page shown in the

following figure appears.

Enter the IP Address, Subnet Mask, Default

Gateway, and Primary DNS Server. Click Next. The

page shown in the following page appears.

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Step 7 Configure the wireless network. Enter the information

and click Next.

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Note:

In each step of the Wizard page, you can click Back to review or modify the previous settings. Click Cancel to exit the wizard page.

3.2.2 Internet Setup

Choose Setup > Internet Setup. The page shown in the following figure appears. In this page, you can configure the WAN interface of the device.

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Click Add. The page shown in the following figure appears.

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Click Next. The page shown in the following figure appears.

Note:

There are two wan mode you can choose, on is dsl mode, the other is eth mode.when change between them, you should reboot you modem

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3.2.3 Wireless Setup

This section describes the wireless LAN and some basic configuration. Wireless LANs can be as simple as two computers with wireless LAN cards communicating in a pear-to-pear network or as complex as a number of computers with wireless LAN cards communicating through access points which bridge network traffic to wired LAN. Choose Setup > Wireless Setup. The Wireless Setup page shown in the following figure appears.

3.2.3.1 Wireless Basics

In the Wireless Setup page, click Wireless Basics. The page shown in the following figure appears. In this page, you can configure the parameters of wireless LAN clients that may connect to the device.

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 Enable Wireless: Select this to turn Wi-Fi on and off.  Enable MultiAP Isolation: Select this to turn MultiAP

isolation on and off.

 Wireless Network Name (SSID): The Wireless Network

Name is a unique name that identifies a network. All devices on a network must share the same wireless network name in order to communicate on the network. If you decide to change the wireless network name from the default setting, enter your new wireless network name in this field.

 Visibility Status: You can select visible or invisible.  Country: Select the country from the drop-down list.  Wireless Channel: Select the wireless channel from the

pull-down menu. It is different for different country.

 802.11 Mode: Select the appropriate 802.11 mode based

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on the wireless clients in your network. The drop-down menu options are 802.11g Only, 802.11b/g, 802.11b Only,

802.11n Only, or 802.11b/g/n.

 Band Width: Select the appropriate band width between

20 M or 40 M from the pull-down menu.

Click Apply to save the settings.

3.2.3.2 Wireless Security

In the Wireless Setup page, click Wireless Security. The page shown in the following figure appears. Wireless security is vital to your network to protect the wireless communication among wireless stations, access points and wired network.

Click Apply to save the settings.

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3.2.4 Local Network

You can configure the LAN IP address according to the actual application. The preset IP address is 192.168.1.1. You can use the default settings and DHCP service to manage the IP settings for the private network. The IP address of the device is the base address used for DHCP. To use the device for DHCP on your LAN, the IP address pool used for DHCP must be compatible with the IP address of the device. The IP address available in the DHCP IP address pool changes automatically if you change the IP address of the device. You can also enable the secondary LAN IP address. The two LAN IP addresses must be in different networks. Choose Setup > Local Network. The Local Network page shown in the following figure appears.

By default, Enable DHCP Server is selected for the Ethernet LAN interface of the device. DHCP service supplys IP settings

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to workstations configured to automatically obtain IP settings that are connected to the device through the Ethernet port. When the device is used for DHCP, it becomes the default gateway for DHCP client connected to it. If you change the IP address of the device, you must also change the range of IP addresses in the pool used for DHCP on the LAN. The IP address pool can contain up to 253 IP addresses.

Click Apply to save the settings. In the Local Network page, you can assign IP addresses on the LAN to specific individual computers based on their MAC addresses.

Click Add to add static DHCP (optional). The page shown in the following figure appears.

+ 64 hidden pages