D-Link DSL-2750U User manual

User Manual
DSL-2750U
Wireless N ADSL2+ USB Modem Router
March 2014

DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual
Contents
Chapter 1. Introduction..........................................5
Contents and Audience.......................................................5
Conventions.................................................................5
Document Structure..........................................................5
Chapter 2. Overview..............................................6
General Information.........................................................6
Specifications..............................................................
Product Appearance.........................................................11
Front Panel..............................................................11
Side Panel...............................................................13
Back Panel...............................................................14
Delivery Package...........................................................15
Chapter 3. Installation and Connection..........................16
Before You Begin...........................................................16
Connecting to PC...........................................................18
PC with Ethernet Adapter.................................................18
Obtaining IP Addre Automatically in OS Window XP......................19
Obtaining IP Addre Automatically in OS Window 7.......................22
PC with Wi-Fi Adapter....................................................27
Configuring Wi-Fi Adapter in OS Window XP...............................28
Configuring Wi-Fi Adapter in OS Window 7................................29
Connecting to Web-based Interface..........................................31
Web-based Interface Structure..............................................33
Saving and Restoring Settings..............................................36
Chapter 4. Configuring via Web-based Interface..................38
Click'n'Connect............................................................38
Creating WAN Connection..................................................41
PPPoE or PPPoA Connection..............................................41
IPoA or Static IP Connection...........................................48
Dynamic IP Connection..................................................54
Bridge Connection......................................................60
3G Connection..........................................................64
L E Connection.........................................................68
Checking Internet Availability...........................................71
Configuring Wirele Connection..........................................72
Wireless Network Settings Wizard........................................... 5
Virtual Server Settings Wizard............................................. 8
Status.....................................................................80
Network Stati tic .......................................................80
DSL Statu ...............................................................81
DHCP.....................................................................82
Routing Table............................................................83
Client ..................................................................84
Net........................................................................85
WAN......................................................................85
Creating ADSL WAN Connection...........................................86
Creating Ethernet WAN Connection.......................................93
Creating 3G WAN Connection.............................................99
Creating L E WAN Connection...........................................102
LAN.....................................................................104
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Wi-Fi.....................................................................106
Ba ic Setting ..........................................................106
Security Setting .......................................................108
MAC Filter..............................................................112
Station Li t............................................................114
WPS.....................................................................115
Using WPS Function via Web-based Interface............................117
Using WPS Function without Web-based Interface........................117
Additional Setting .....................................................119
Advanced..................................................................121
UPnP....................................................................122
Interface Grouping......................................................124
EtherWAN................................................................127
DDNS....................................................................128
DNS.....................................................................129
Routing.................................................................130
ADSL....................................................................132
Remote Acce ...........................................................133
Mi cellaneou ...........................................................135
Firewall..................................................................13
IP Filter ..............................................................137
Virtual Server .........................................................140
DMZ.....................................................................143
MAC Filter..............................................................144
3G Modem..................................................................146
Information.............................................................146
PIN.....................................................................148
USB Storage...............................................................150
Information.............................................................150
Filebrow er.............................................................151
Print Server............................................................152
Samba...................................................................153
FTP.....................................................................154
DLNA....................................................................155
Transmission..............................................................15
Tran mi ion Setting ...................................................157
Web-interface Page......................................................159
Control...................................................................160
URL Filter..............................................................160
System....................................................................162
Admini trator Pa word..................................................163
Configuration...........................................................164
Sy tem Log..............................................................165
Firmware Upgrade........................................................167
Local Update..........................................................168
Remote Update.........................................................169
NTP Client..............................................................170
Ping....................................................................172
Telnet..................................................................173
U er ...................................................................174
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Chapter 5. Operation Guidelines................................1 6
Supported USB Modems......................................................1 6
Safety Instructions.......................................................1 8
Wireless Installation Considerations......................................1 9
Chapter 6. Abbreviations and Acronyms..........................180
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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Introduction
CHA TER 1. INTRODUCTION
Contents and Audience
This manual describes the router DSL-2750U and explains how to configure and operate it
This manual is intended for users familiar with basic networking concepts, who create an in-home
local area network, and system administrators, who install and configure networks in offices
Conventions
Example Description
text The body text of the manual
Before You Begin A reference to a chapter or section of this manual
“Quick Installation Guide” A reference to a document
Change A name of a menu, menu item, control (field, checkbox, drop-
down list, button, etc )
192.168.1.1 Data that you should enter in the specified field
!Information An important note
Document Structure
Chapter 1 describes the purpose and structure of the document
Chapter 2 gives an overview of the router's hardware and software features and describes its
appearance and the package contents
Chapter 3 explains how to install the wireless router DSL-2750U and configure a PC in order to
access its web-based interface
Chapter 4 describes all pages of the web-based interface in detail
Chapter 5 includes safety instructions, tips for networking and the list of supported USB modems
Chapter introduces abbreviations and acronyms used in this manual
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User Manual Overview
CHA TER 2. OVERVIEW
General Information
DSL-2750U is a multifunction LTE/3G/ADSL/Ethernet router with Wi-Fi and built-in switch The
router allows accessing the Internet via LTE, 3G GSM or CDMA network (with a USB modem1
connected) In addition, the device allows accessing the Internet via ADSL technology and via
Ethernet technology
The router is equipped with an ADSL port to connect to an ADSL line and 4 Ethernet ports to
connect workstations Due to this feature, DSL-2750U represents a moderate-priced solution for
creating wired networks without an additional switch In addition, any Ethernet port of the device
can be used to connect to a private Ethernet line Also the router has a USB port designed to connect
a USB modem, printer, or USB storage
DSL-2750U can operate as a base station for connecting wireless devices of the standards 802 11b,
802 11g, and 802 11n The router supports multiple functions for the wireless interface: several
security standards (WEP, WPA/WPA2), MAC address filtering, and the WPS function
In addition, the device is equipped with a button for switching the Wi-Fi network off/on If needed,
for example, when you leave home, you can easily switch the router’s WLAN by pressing the
button, and devices connected to the LAN ports of the router will stay online
The wireless router DSL-2750U includes a built-in firewall The advanced security functions
minimize threats of hacker attacks, prevent unwanted intrusions to your network, and block access
to unwanted websites for users of your LAN
You can configure and manage the settings of the multifunction wireless router DSL-2750U via the
user-friendly web-based interface (the interface is available in several languages)
Now you can simply update the firmware: the router itself finds approved firmware on D-Link
update server and notifies when ready to install it
1 Not included in the delivery package D-Link does not guarantee compatibility with all USB modems Please, refer
to the Supported USB Modems section, page 176
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User Manual Overview
Specifications*
Hardware
Interfaces
•ADSL: 1 RJ-11 port
•LAN: 4 RJ-45 10/100BASE-TX Fast Ethernet ports with auto-MDI/MDIX
•WLAN: built-in 802 11b, g, and n wireless interface
•USB 2 0 type A port
Frequency Range
•2412 ~ 2484MHz
Wireless Data Rate
•802 11b: 11, 5 5, 2, 1Mbps
•802 11g: 54, 48, 36, 24, 18, 12, 9, 6Mbps
•802 11n
◦HT20: up to 150Mbps
◦HT40: up to 300Mbps
Transmitter Output Power
The maximum value of the transmitter output power depends upon the radio frequency regulations
applied in your country
•802 11b
◦16 5 ~ 18 5dBm
•802 11g
◦13 5 ~ 16 5dBm
•802 11n
◦13 5 ~ 16 5dBm
Modulation Schemes
•802 11b: CCK (11, 5 5Mbps), DQPSK (2Mbps), DBPSK (1Mbps), DSSS
•802 11g: PSK/CCK, DBPSK, DQPSK, OFDM, BPSK, QPSK, 64QAM, 16QAM
•802 11n: PSK/CCK, DBPSK, DQPSK, OFDM, etc
DSL Standards
•ADSL
◦Multi-mode, ANSI T1 413 Issue 2, ITU-T G 992 1 (G dmt) Annex A, ITU-T G 992 2
(G lite) Annex A, ITU-T G 994 1 (G hs)
•ADSL2
◦ITU-T G 992 3 (G dmt bis) Annex A/L/M, ITU-T G 992 4 (G lite bis) Annex A
•ADSL2+
◦ITU-T G 992 5 Annex A/L/M
* The device features are subject to change without notice For the latest versions of the firmware and relevant
documentation, visit www dlink ru
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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Overview
Software
W N Connection Types
•LTE
•3G
•ADSL
◦PPPoE
◦PPPoA
◦IPoA
◦Static IP
◦Dynamic IP
◦Bridge
•Ethernet
◦PPPoE
◦Static IP
◦Dynamic IP
◦Bridge
Wireless Network
•IEEE 802 11n standard, IEEE 802 11b/g compliant
•WEP data encryption
•WPA/WPA2 security supporting TKIP, AES and TKIP+AES
•MAC-based access to wireless network
•PIN and PBC methods of WPS
•Managing connected stations
•Advanced settings
TM/PPP Protocols
•Bridged and routed Ethernet encapsulation
•VC-based or LLC-based multiplexing
•ATM Forum UNI3 1/4 0 PVC (up to 8 PVCs)
•ATM Adaptation Layer Type 5 (AAL5)
•ITU-T I 610 OAM F4/F5 loopback
•ATM QoS
•PPP over ATM (RFC 2364)
•PPP over Ethernet (PPPoE)
•Keep-alive for PPP connections
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User Manual Overview
Network Protocols and Functions
•DHCP server/client/relay
•DNS relay
•DDNS
•Static IP routing
•Remote management
•Network statistics for each interface
•IGMP proxy
•IGMP snooping
•RIP
•UPnP
•Support of VLAN
•WAN ping respond
•Support of SIP
•Support of RTSP
•PPPoE pass through
Firewall and ccess Management Functions
•Network Address Translation (NAT)
•Stateful Packet Inspection (SPI)
•IP filters
•MAC filter
•URL filter
•DMZ
•Prevention of ARP and DdoS attacks
•Virtual servers
QoS
•Interface grouping
•VLAN priority (802 1p)
USB Modem*
•Auto connection to available type of supported network (3G/2G)
•Enabling/disabling PIN code check, changing PIN code
USB Storage
•File browser
•Print server
•SMB-based access via accounts
•Built-in FTP server
•Built-in DLNA server
Torrent Client
•Built-in Transmission client
•Uploading/downloading files from/to USB storage
* The listed functions are available for GSM USB modems only
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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Overview
Configuration and Management
•Multilingual web-based interface for configuration and management
•Access via TELNET
•Firmware update via web-based interface
•Automatic notification on new firmware version
•Saving/restoring configuration to/from file
•Support of remote logging
•Automatic synchronization of system time with NTP server and manual time/date setup
•Ping function
Physical and Environmental
LEDs
•POWER
•DSL
•INTERNET
•WLAN
•LAN 1-4
•WPS
•USB
Power
•External power adapter DC 12V/1A
Buttons
•ON/OFF power switch
•Reset to Factory Defaults button
•WPS/WLAN button
Operating Temperature
•From 0 to 40 °C (from 32 to 104 °F)
Storage Temperature
•From -20 to 70 °C (from -4 to 158 °F)
Humidity
•From 5% to 95% non-condensing
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User Manual Overview
Product Appearance
Front Panel
Figure 1. Front panel view.
LED Mode Description
OWER
Solid green The router is powered on
No light The router is powered off
DSL
Solid green DSL has been synchronized
Blinking green Detecting a carrier signal and synchronizing DSL
No light No carrier signal
INTERNET
Solid green A WAN connection is established
Solid red When powered on: the router is being loaded; when loaded: the router
is in the crash recovery mode
No light The router is in the bridge mode or no WAN connection is established
WLAN
Solid green The router's WLAN is on
Blinking green The WLAN interface is active (upstream or downstream traffic)
No light The router's WLAN is off
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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Overview
LED Mode Description
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)
No light The cable is not connected to the relevant port
W S
Blinking green Attempting to add a wireless device via the WPS function
No light The WPS function is not in use
USB
Solid green A USB device is connected to the router's USB port
No light No USB device
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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Overview
Side Panel
Figure 2. Side panel view.
Name Description
W S
WLAN
A button to enable/disable the router's wireless network and to quickly add
wireless devices to the router's WLAN (the WPS function)
To enable/disable the router's wireless network: with the device turned on,
press the button, hold for 7 seconds, and then release it
To use the WPS function: with the device turned on, press the button, and
release it
USB A port for connecting a USB device (modem, storage, printer)
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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Overview
Back Panel
Figure 3. Back panel view.
ort 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 10 seconds, and then release the button
12VDC IN Power connector
ON/OFF A button to turn the router on/off
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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Overview
Delivery Packa e
The following should be included:
•Wireless router DSL-2750U
•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/ADSL/DSL-2750U_RA_U2A/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-2750U Wireless N ADSL2+ USB Modem Router
User Manual Installation and Connection
CHA TER 3. INSTALLATION AND CONNECTION
Before You Be in
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 LTE/3G/ADSL/Ethernet router DSL-2750U
(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 dapter)
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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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Installation and Connection
USB Modem
To connect to a LTE, 3G GSM or CDMA network, you should use a USB modem Connect it to the
USB port of the router, then access the web-based interface of the router, and you will be able to
configure a connection to the Internet2
!
Your USB modem should be equipped with an active identification card (SIM or R-UIM)
of your operator
Some operators require subscribers to activate their USB modems prior to using them
Please, refer to connection guidelines provided by your operator when concluding the
agreement or placed on its website
For LTE and CDMA USB modems, it is required to disable the PIN code check on the
identification card prior to connecting the USB modem to the router
2 Contact your operator to get information on the service coverage and fees
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User Manual Installation and Connection
Connectin to PC
PC with Ethernet Adapter
1 Make sure that your PC is powered off
2 Connect an Ethernet cable between any of four Ethernet ports located on the back panel of
the router and the Ethernet port of your PC
3 To connect via USB modem: connect your USB modem to the USB port3 located on the left
side panel of the router
!If you need to connect or change a USB modem to another one when the router is powered
on, power off the device, connect the modem to the USB port, and power on the router
4 To connect the router to a DSL line: connect a phone cable between the DSL port of the
router and the DSL OUT port of the splitter Connect your phone to the PHONE port of
the splitter Then connect another phone cable between a phone jack and the DSL IN port
of the splitter
5 To connect the router to an Ethernet line: connect the Ethernet cable between any of four
Ethernet ports located on the back panel of the router and the Ethernet line
6 Connect the power cord to the power connector port on the back panel of the router, then
plug the power adapter into an electrical outlet or power strip
7 Turn on the router by pressing the ON/OFF button on its back panel
8 Turn on your PC and wait until your operating system is completely loaded
3 It is recommended to use a USB extension cable to connect a USB modem to the router
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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Installation and Connection
Obtaining IP Address Automatically in OS Windows P
1 Click the Start button and proceed to the Control anel > Network and Internet
Connections > Network Connections window
2 In the Network Connections window, right-click the relevant Local Area Connection
icon and select the roperties line in the menu displayed
Figure 4. The Network Connections window.
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DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual Installation and Connection
3 In the Local Area Connection roperties window, on the General tab, select the
Internet rotocol (TC /I ) line Click the roperties button
Figure 5. The Local Area Connection Properties window.
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