DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Overview

Product Appearance

Front Panel and Left Side Panel

Figure 1. Front panel view.

LED

Mode

Description

Power

Solid green

The router is powered on.

No light

The router is powered off.

Solid red

The router is in the crash recovery mode.

DSL

Solid green

DSL has been synchronized.

Blinking green

Detecting a carrier signal and synchronizing DSL.

No light

No carrier signal.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Overview

LED

Mode

Description

Internet

Solid green

A WAN connection (VDSL/ADSL and/or Ethernet) is established.

Blinking green

The WAN interface is active (upstream or downstream traffic).

Solid red

An authorization failure.

No light

The router is in the bridge mode or no WAN connection (neither

Ethernet nor VDSL/ADSL) is established.

LAN 1-4

Solid green

A device is connected to the port of the router (for the LAN port

configured as the WAN port: the router is connected to an Ethernet

line).

Blinking green

The relevant LAN port is active (upstream or downstream traffic).

WLAN

Solid green

The router's WLAN is on.

Blinking green

The WLAN interface is active (upstream or downstream traffic).

WPS

Solid green

A wireless device is connected to the router's WLAN (lights for

several minutes).

Blinking green

Attempting to add a wireless device via the WPS function.

The

WPS

,

WLAN

, and

ON/OFF

buttons are located on the left side panel. The

WPS

button is

designed to quickly add wireless devices to the router's WLAN. The

WLAN

button is designed to

enable/disable the router's wireless network. The

ON/OFF

button is designed to enable/disable the

device.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Overview

Back Panel

Figure 2. Back panel view.

Port

Description

DSL

A DSL port to connect the router to the telephone line.

LAN 1-4

4 Ethernet ports to connect Ethernet devices. One port can be used to connect to a

private Ethernet line.

RESET

A button to restore the factory default settings.

To restore the factory defaults, push the button (with the device turned on), hold it

for 5 seconds, and then release the button.

Power

Power connector.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Overview

Delivery Package

The following should be included:

•

Wireless router DSL-6740U

•

Power adapter DC 12V/1A

•

RJ-11 telephone cable

•

Ethernet cable (CAT 5E)

•

Splitter

•

“

Quick Installation Guide

” (brochure).

The “

User Manual

” and “

Quick Installation Guide

” documents in Russian and English are

available on D-Link website (see

ftp://dlink.ru/pub/VDSL2/DSL-6740U/Description/

).

!

Using a power supply with a different voltage rating than the one included will cause

damage and void the warranty for this product.

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DSL-6740U

VDSL/Ethernet Router with Wi-Fi

and Built-in Switch

User Manual

Installation and Connection

CHAPTER 3.

INSTALLATION AND CONNECTION

Before You Begin

Please, read this manual prior to installing the device. Make sure that you have all the necessary

information and equipment.

Operating System

Configuration of the multifunction wireless VDSL/Ethernet router DSL-6740U (hereinafter referred

to as “the router”) is performed via the built-in web-based interface. The web-based interface is

available from any operating system that supports a web browser.

Web Browser

The following web browsers are recommended:

•

Apple Safari 5 and later

•

Google Chrome 5 and later

•

Microsoft Internet Explorer 7 and later

•

Mozilla Firefox 5 and later

•

Opera 10 and later.

For successful operation, JavaScript should be enabled on the web browser. Make sure that

JavaScript has not been disabled by other software (such as virus protection or web user security

packages) running on your computer.

Wired or Wireless NIC (Ethernet or Wi-Fi Adapter)

Any computer that uses the router should be equipped with an Ethernet or Wi-Fi adapter (NIC). If

your computer is not equipped with such a device, install an Ethernet or Wi-Fi adapter prior to using

the router.

Wireless Connection

Wireless workstations from your network should be equipped with a wireless 802.11b, g, or n NIC

(Wi-Fi adapter). In addition, you should specify the values of SSID, channel number and security

settings defined in the web-based interface of the router for all these wireless workstations.

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