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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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Page 12 / 158
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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Page 13 / 158
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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Page 14 / 158
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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Page 15 / 158
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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