DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Installation and Connection

On the quick settings page you can run a needed Wizard, quickly get to some pages of the web-

based interface, search for a specific page, or switch to the advanced settings section.

To upgrade the firmware of the router, left-click the current firmware version (the right column of

the

Firmware version

line). After clicking the line, the

System / Firmware upgrade

page

opens (for the detailed description of the page, see the

Firmware Upgrade

section, page 147).

To contact the technical support group (to send an e-mail), left-click the support e-mail address (the

right column of the

Support

line). After clicking the line, the e-mail client window for sending a

new letter to the specified address opens.

To edit the router's local interface parameters, left-click the IP or MAC address of the local interface

(the right column of the

LAN IP

line or

LAN MAC

line correspondingly). After clicking the line,

the page for editing the LAN interface opens (for the detailed description of the page, see the

LAN

section, page 94).

To configure the router's WLAN parameters, left-click the SSID of the WLAN (the right column of

the

SSID

line). After clicking the line, the

Wi-Fi / Basic settings

page opens (for the detailed

description of the page, see the

Basic Settings

section, page 97).

To configure connection to the Internet, click the

Click'n'Connect

link in the

Net

section (for the

detailed description of the Wizard, see the

Click'n'Connect

section, page 35).

To configure the router's wireless network, click the

Wireless network settings wizard

link in

the

Wi-Fi

section (for the detailed description of the Wizard, see the

Wireless Network Settings

Wizard

section, page 64).

To configure access from the Internet to a web server located in your LAN, click the

Virtual

server settings wizard

link in the

Firewall

section (for the detailed description of the Wizard,

see the

Virtual Server Settings Wizard

section, page 67).

To configure all parameters of the router independently without the Wizards, click the

Advanced

settings

link in the bottom right corner of the page.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Installation and Connection

Figure 19. The advanced settings page.

The pages of the

Status

section display data on the current state of the router (for the description of

the pages, see the

Status

section, page 69).

The pages of the

Net

section are designed for configuring basic parameters of the LAN interface of

the router and creating a connection to the Internet (for the description of the pages, see the

Net

section, page 75).

The pages of the

Wi-Fi

section are designed for specifying all needed settings of the router's

wireless network (for the description of the pages, see the

Wi-Fi

section, page 97).

Also you can

enable or disable the device's WLAN directly from the advanced settings page. To enable the

WLAN, select the

On

position (

) of the

Enable/Disable Wi-Fi

switch. To disable the

WLAN, select the

Off

position (

) of the

Enable/Disable Wi-Fi

switch.

The pages of the

Advanced

section are designed for configuring additional parameters of the

router (for the description of the pages, see the

Advanced

section, page 111).

The pages of the

Firewall

section are designed for configuring the firewall of the router (for the

description of the pages, see the

Firewall

section, page 126).

The pages of the

Control

section are designed for creating restrictions on access to the Internet (for

the description of the page, see the

Control

section, page 137).

The pages of the

System

section provide functions for managing the internal system of the router

(for the description of the pages, see the

System

section, page 142).

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Installation and Connection

Also you can find a specific page via search. To do this, enter the name of the page, wholly or

partly, in the search bar in the top part of the web-based interface page, and then select a needed

link in the search results.

Figure 20. The page displaying the search results.

Saving and Restoring Settings

!

Note that you should regularly save the changes of the router's settings to the non-

volatile memory.

The router's web-based interface displays the notification on unsaved changes at the top of the page.

Figure 21. The notification on unsaved changes.

Place the mouse pointer on the

Notifications

icon (

) to view the list of unsaved changes and

click the relevant link.

You can save the router's settings via the top-page menu displayed when the mouse pointer is over

the

System

caption.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Installation and Connection

Figure 22. The top-page menu.

Click the

Reboot

line if you have already saved the router's settings.

Click the

Save&Reboot

line to save new settings and immediately reboot the router.

Click the

Save

line to save new settings to the non-volatile memory and continue configuring the

device. Also you can save the device's parameters via the

Save

button on the

System /

Configuration

page.

Click the

Backup

line and follow the dialog box appeared to save the configuration (all settings of

the router) to your PC. Also you can save the router's configuration to your PC via the

Backup

button on the

System / Configuration

page.

Click the

Factory

line to restore the factory default settings. Also you can restore the factory

defaults via the

Factory

button on the

System / Configuration

page.

Also you can restore the factory default settings via the hardware

RESET

button located on the

back panel of the router.

Use a small paperclip to activate the button; insert it into the hole (with the

device

turned on

), push, and hold for 5 seconds. Release the button and wait until the router is

rebooted (about a minute).

Now you can access the web-based interface of the router using the

default IP address, username and password.

When you have configured all needed settings, click the

Logout

line.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Configuring via Web-based Interface

CHAPTER 4.

CONFIGURING

VIA

WEB-BASED

INTERFACE

Click'n'Connect

To configure a WAN connection, click the

Click'n'Connect

link in the

Net

section.

Figure 23. Configuring a WAN connection.

Connect a phone or Ethernet cable to the router (see the

Connecting to PC

section, page 16).

Click the

Next

button to continue.

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