D-Link DSL-2750U User manual

User Manual
DSL-2750U
3G/ADSL/Ethernet Router with Wi-Fi and Built-in Swit h
July 2012

DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi
and Built-in Switch
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
Back Panel...............................................................12
Delivery Package...........................................................13
Chapter 3. Installation and Connection..........................14
Before You Begin...........................................................14
Connecting to PC...........................................................15
PC with Ethernet Adapter.................................................15
Obtaining IP Address Auto atically in OS Windows XP......................16
Obtaining IP Address Auto atically in OS Windows 7.......................19
PC with Wi-Fi Adapter....................................................24
Configuring Wi-Fi Adapter in OS Windows XP...............................25
Configuring Wi-Fi Adapter in OS Windows 7................................26
Connecting to Web-based Interface..........................................28
Saving and Restoring Settings..............................................32
Chapter 4. Configuring via Web-based Interface..................33
Wizards....................................................................33
Internet Setup Wizard....................................................33
PPPoE or PPPoA Connection..............................................35
IPoA or Static IP Connection...........................................39
Dynamic IP Connection..................................................42
Bridge Connection......................................................45
3G Connection..........................................................47
Site Setup Wizard........................................................50
Wi-Fi Setup Wizard.......................................................51
Status.....................................................................55
Network Statistics.......................................................55
DSL Status...............................................................56
WAN Status...............................................................57
DHCP.....................................................................58
Routing Table............................................................59
LAN Clients..............................................................60
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Net........................................................................61
WAN......................................................................61
Creating ADSL WA Connection...........................................62
Creating Ethernet WA Connection.......................................68
Creating 3G WA Connection.............................................72
LAN......................................................................75
Watchdog.................................................................77
Wi-Fi...................................................................... 9
Co on settings..........................................................79
Basic Settings...........................................................80
Security Settings........................................................81
MAC Filter...............................................................84
Station List.............................................................86
WPS......................................................................87
Using WPS Function via Web-based Interface.............................89
Using WPS Function without Web-based Interface.........................89
Additional Settings......................................................91
Advanced...................................................................92
SNMP.....................................................................93
UPnP.....................................................................94
Interface Grouping.......................................................95
DDNS.....................................................................97
DNS......................................................................98
Routing..................................................................99
RIP.....................................................................101
ADSL....................................................................102
Re ote Access...........................................................103
Firewall..................................................................105
IP Filters..............................................................105
Virtual Servers.........................................................108
DMZ.....................................................................110
Application Rules.......................................................111
MAC Filter..............................................................113
USB Modem.................................................................115
Infor ation.............................................................115
PIN.....................................................................116
USB Storage...............................................................11
Infor ation.............................................................117
Filebrowser.............................................................118
Print Server............................................................119
Sa ba...................................................................120
Control...................................................................121
Parent Control..........................................................121
URL Filter..............................................................123
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System....................................................................125
Ad inistrator Password..................................................125
Configuration...........................................................126
Syste Log..............................................................127
Fir ware Upgrade........................................................129
NTP Client..............................................................130
Ping....................................................................131
Chapter 5. Operation Guidelines................................132
Supported USB Modems......................................................132
Safety Instructions.......................................................133
Wireless Installation Considerations......................................134
Creating Two Connections on One Channel...................................135
ADSL WAN Connections....................................................135
Ethernet WAN Connections................................................136
Chapter 6. Abbreviations and Acronyms..........................13
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Introduction
CH PTER 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 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 configuring the device, and the list
of supported USB modems
Chapter introduces abbreviations and acronyms used in this manual
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Overview
CH PTER 2. OVERVIEW
General Information
DSL-2750U is a multifunction 3G/ADSL/Ethernet router with Wi-Fi and built-in switch The router
allows accessing the Internet via 3G GSM or CDMA network (with a 3G 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
The router supports reservation of an additional channel The reservation function keeps the router
connected to the Internet even when the main connection is not available
DSL-2750U can operate as a base station for connecting wireless devices of the standards 802 11b,
802 11g, and 802 11n2 The router supports multiple functions for the wireless interface: several
security standards (WEP, WPA/WPA2), MAC address filtering, and the WPS function
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 DSL-2750U via the user-friendly web-based interface
(the interface is available in several languages)
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 132
2 The maximum speed of the wireless connection is limited by the chipset up to 200Mbps
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Specifications*
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: USB 2 0 type A port
Wireless Network:
•IEEE 802 11n standard3, IEEE 802 11b/g compliant
•Support of guest wireless network
•WEP data encryption
•WPA/WPA2 security supporting TKIP, AES and TKIP+AES
•MAC-based access to wireless network
•PIN and PBC methods of WPS
•Advanced settings
ADSL 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
3 The maximum speed of the wireless connection is limited by the chipset up to 200Mbps
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WAN Connection Types:
•3G
•ADSL:
◦PPPoE
◦PPPoA
◦IPoA
◦Static IP
◦Dynamic IP
◦Bridge
•Ethernet:
◦PPPoE
◦Static IP
◦Dynamic IP
◦Bridge
ATM/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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Network Protocols and F nctions:
•Static IP routing
•NAT (Network Address Translation)
•DHCP server/client/relay
•DNS relay
•DDNS
•UPnP
•Support of VLAN
•IGMP proxy
•IGMP snooping
•RIP
•Channel reservation
Firewall and Access Management F nctions:
•Network Address Translation (NAT)
•Stateful Packet Inspection (SPI)
•MAC filtering based on time of day and day of week
•URL filter
•Packet filtering (IP/ICMP/TCP/UDP)
•Virtual servers
•Prevention of DoS attacks
•Intrusion detection system
•DMZ
•Port Triggering
QoS:
•Interface grouping
•3 priority queues
USB Modem4:
•Auto connection to available type of supported network (3G/2G)
•Enabling/disabling PIN code check, changing PIN code
4 The listed functions are available for GSM USB modems only
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USB Storage:
•File browser
•Print server
•Shared access to USB storage (Samba)
Config ration and Management:
•Multilingual web-based interface for configuration and management
•Access via TELNET
•Firmware update via web-based interface
•Saving/restoring configuration to/from file
•Support of remote logging
•SNMP agent
•Automatic synchronization of system time with NTP server
•Ping function
LEDs:
•Power
•LAN 1-4
•WLAN
•WPS
•USB
•DSL
•Internet
Power:
•External power adapter DC 12V/1A
•ON/OFF power switch
•ON/OFF Wi-Fi switch
•Reset to Factory Defaults button
•WPS button
Dimensions:
•164 mm x 112 mm x 35 mm
Weight:
•250 g
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Product Appearance
Front 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 A malfunction of the router
L N 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)
WL N
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
USB
Solid green A USB device is connected to the router's USB port
No light No USB device
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 (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 ADSL) is established
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Back Panel
Figure 2. Back panel view.
Port Description
DSL A DSL port to connect the router to the telephone line
L N 1-4 4 Ethernet ports to connect Ethernet devices One port can be used to connect to a
private Ethernet line
USB A USB port to connect a USB modem, printer, or storage
WPS A button to quickly add wireless devices to the router's WLAN
WIRELESS
ON/OFF A button to turn the router's wireless interface on/off
ON/OFF A button to turn the router on/off
12V=1 Power connector
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Delivery Package
The following should be included:
•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/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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Installation and Connection
CH PTER 3. INST LL TION ND 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 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: Windows Internet Explorer, Mozilla Firefox, or
Opera
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
USB Modem
To connect to the 3G GSM or CDMA network, you should use a 3G 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 connection to the Internet5
!
Your USB modem should be equipped with an active identification card (SIM or R-UIM)
of your operator
For 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
5 Contact your operator to get information on the service coverage and fees
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Connecting 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 3G network: connect your USB modem to the USB port6 located on the back
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 ADSL 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 ADSL 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
6 It is recommended to use a USB extension cable to connect a USB modem to the router
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Obtaining IP Address Automatically in OS Windows P
1 Click the Start button and proceed to the Control Panel > Network and Internet
Connections > Network Connections window
2 In the Network Connections window, right-click the relevant Local rea Connection
icon and select the Properties line in the menu displayed
Figure 3. The Net ork Connections window.
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3 In the Local rea Connection Properties window, on the General tab, select the
Internet Protocol (TCP/IP) line Click the Properties button
Figure 4. The Local Area Connection Properties window.
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4 Select the Obtain an IP address automatically and Obtain DNS server address
automatically radio buttons Click the OK button
Figure 5. The Internet Protocol (TCP/IP) Properties window.
5 Click the ОК button in the connection properties window
Now your computer is configured to obtain an IP address automatically
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Obtaining IP Address Automatically in OS Windows 7
1 Click the Start button and proceed to the Control Panel window
2 Select the Network and Sharing Center section (If the Control Panel has the category
view (the Category value is selected from the View by drop-down list in the top right
corner of the window), choose the View network status and tasks line under the
Network and Internet section )
Figure 6. The Control Panel window.
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3 In the menu located on the left part of the window, select the Change adapter settings
line
Figure 7. The Net ork and Sharing Center window.
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