Quick Installation Guide
DSL-2750U
Wireless N ADSL2+ USB Modem Router
DSL-2750U Quick Installation Guide
BEFORE YOU BEGIN
Delivery Package
• Router DSL-2750U
• Power adapter DC 12V/1A
• RJ-11 telephone cable
• Ethernet cable (CAT 5E)
• Splitter
• “ Quick Installation Guide ” (brochure).
If any of the items are missing, please contact your reseller.
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_B1A_T2A/Description/ ).
!
Using a power supply with a different voltage rating than the one included will cause damage and void the warranty for this product.
Default Settings
IP address of router 192.168.1.1
Username (login) admin
Password admin
Name of wireless network (SSID) DSL-2750U
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DSL-2750U Quick Installation Guide
System Requirements and Equipment
• A computer with any operating system that supports a web browser.
• A web browser to access the web-based interface of the router:
◦ 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.
• A NIC (Ethernet or Wi-Fi adapter) to connect to the router.
• A 802.11b, g, or n Wi-Fi adapter to create a wireless network.
!
• A 3G USB modem to connect to the Internet via 3G GSM or CDMA
network 1 .
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.
1 Contact your operator to get information on the service coverage and fees.
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DSL-2750U Quick Installation Guide
Supported USB Modems
GSM modems:
• Huawei E171
• ZTE MF192
• ZTE MF626
• ZTE MF652
CDMA modems 2 :
• Airplus MCD-650
• Airplus MCD-800
• ZTE AC5730
!
The manufacturer does not guarantee proper operation of the router with every modification of the firmware of USB modems.
2 Performance of CDMA USB modems is not tested for the current firmware version.
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DSL-2750U Quick Installation Guide
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 port 3
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 router, 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.
Now you should configure your PC to obtain an IP address automatically (as
DHCP client).
3 It is recommended to use a USB extension cable to connect a USB modem to the router.
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DSL-2750U Quick Installation Guide
Obtaining IP Address Automatically in OS Windows XP
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
Area Connection icon and select the Properties line in the menu displayed.
3. In the Local Area Connection Properties window, on the General tab, select the Internet Protocol (TCP/IP) line. Click the Properties button.
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DSL-2750U Quick Installation Guide
4. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. Click the OK button.
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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DSL-2750U Quick Installation Guide
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.)
3. In the menu located on the left part of the window, select the Change adapter settings line.
4. In the opened window, right-click the relevant Local Area Connection icon and select the Properties line in the menu displayed.
5. In the Local Area Connection Properties window, on the
Networking tab, select the Internet Protocol Version 4 (TCP/IPv4) line. Click the Properties button.
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DSL-2750U Quick Installation Guide
6. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. Click the OK button.
7. Click the OK button in the connection properties window.
Now your computer is configured to obtain an IP address automatically.
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DSL-2750U Quick Installation Guide
PC with Wi-Fi Adapter
1.
To connect via 3G network:
connect your USB modem to the USB port 4
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 router, connect the modem to the USB port, and power on the router.
2.
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.
3.
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.
4. 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.
5. Turn on the router by pressing the ON/OFF button on its back panel.
6. Turn on your PC and wait until your operating system is completely loaded.
7. Turn on your Wi-Fi adapter. As a rule, modern notebooks with built-in wireless NICs are equipped with a button or switch that turns on/off the wireless adapter (refer to your PC documents). If your PC is equipped with a pluggable wireless NIC, install the software provided with your
Wi-Fi adapter.
Now you should configure your Wi-Fi adapter.
4 It is recommended to use a USB extension cable to connect a USB modem to the router.
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DSL-2750U Quick Installation Guide
Configuring Wi-Fi Adapter in OS Windows XP
1. Click the Start button and proceed to the Control Panel > Network and Internet Connections > Network Connections window.
2. Select the icon of the wireless network connection and make sure that your Wi-Fi adapter is on.
3. Search for available wireless networks.
4. In the opened Wireless Network Connection window, select the wireless network DSL-2750U and click the Connect button.
After that the Wireless Network Connection Status window appears.
!
If you perform initial configuration of the router via Wi-Fi connection, note that immediately after changing the wireless default settings of the router you will need to reconfigure the wireless connection using the newly specified settings.
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DSL-2750U Quick Installation Guide
Configuring Wi-Fi Adapter 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.)
3. In the menu located on the left part of the window, select the Change adapter settings line.
4. In the opened window, select the icon of the wireless network connection and make sure that your Wi-Fi adapter is on.
5. To open the list of available wireless networks, select the icon of the wireless network connection and click the Connect To button or leftclick the network icon in the notification area located on the right side of the taskbar.
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DSL-2750U Quick Installation Guide
6. In the opened window, in the list of available wireless networks, select the wireless network DSL-2750U and click the Connect button.
!
7. Wait for about 20-30 seconds. After the connection is established, the network icon will be displayed as the signal level scale.
If you perform initial configuration of the router via Wi-Fi connection, note that immediately after changing the wireless default settings of the router you will need to reconfigure the wireless connection using the newly specified settings.
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DSL-2750U Quick Installation Guide
CONFIGURING ROUTER
Connecting to Web-based Interface
1. Start a web browser.
2. In the address bar of the web browser, enter the IP address of the router
(by default, the following IP address is specified: 192.168.1.1
). Press the Enter key.
3. On the opened page, enter the username and password for the administrator account in the Login and Password fields correspondingly (by default, the following username and password are specified: admin , admin ). Then click the Enter link.
!
If the error “ The page cannot be displayed ” (or “ Unable to display the page ”/“ ”) occurs upon connecting to the web-based interface of the router, make sure that you have properly connected the router to your computer.
!
For security reasons, it is strongly recommended to change the administrator password upon initial configuration of the router. To do this, click the Advanced settings link and proceed to the System /
Administrator password page.
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DSL-2750U Quick Installation Guide
After successful registration the router's quick settings page opens.
The web-based interface of the router is multilingual. Select a needed language from the menu displayed when the mouse pointer is over the Language caption. You can change the language of the web-based interface in any menu item.
After selecting the language, the notification on unsaved changes will be displayed. Click the Save icon ( ) to save the current language of the web-based interface as the default language.
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DSL-2750U Quick Installation Guide
The quick settings page displays general information on the router and its software, and data on the DSL connection state.
On the quick settings page, you can quickly get to some pages of the webbased interface or run a needed Wizard (use the links on the left side of the page).
From the quick settings page you can switch to the advanced settings section.
To do this, click the Advanced settings link in the bottom right corner of the page.
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.
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DSL-2750U Quick Installation Guide
Configuring Connection to the Internet
!
You should configure your WAN connection in accordance with data provided by your Internet service provider (ISP). Make sure that you have obtained all necessary information prior to configuring your WAN connection. Otherwise contact your ISP.
3G WAN Connection
If the PIN code check is enabled for the SIM card inserted into your USB modem, then prior to creating a 3G WAN connection, proceed to the USB modem
menu and enter the PIN code on the page displayed 5 .
1. Go to the Net / WAN page and click the Add button.
2. In the General settings section, from the Provider drop-down list, select your country and operator to automatically specify all settings required to connect to the Internet. To specify all settings independently, leave the Manually value.
3.
From the Connection Type drop-down list, select the 3G value.
4.
Make sure that the usb value is selected from the Interface drop-down list.
5 For GSM USB modems only. 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.
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DSL-2750U Quick Installation Guide
5. Specify a name for your connection (any name for easier identification) in the Name field.
6.
In the PPP section, enter authorization data provided by your operator
(the username (login) in the Username field and the password in the
Password and Password confirmation fields), or select the
Without authorization checkbox if authorization is not required.
7. In the APN field, enter the access point name (for GSM USB modems only), and in the Dial number field, enter the number dialed to connect to the authorization server of the operator.
8. Click the Save button.
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DSL-2750U Quick Installation Guide
ADSL WAN Connection
1. Go to the Net / WAN page and click the Add button.
2.
In the General settings section, from the Provider drop-down list, leave the Manually value.
3.
From the Connection Type drop-down list, select the needed value.
4. From the Interface drop-down list, select the DSL(new) value.
5. Specify a name for your connection (any name for easier identification) in the Name field.
6. In the ATM section, specify the VPI and VCI in the relevant fields, and then select a method of encapsulation from the Encapsulation Mode drop-down list.
7. For the PPPoE and PPPoA connection types, enter authorization data provided by your ISP in the PPP section (the username (login) in the
Username field and the password in the Password and Password confirmation fields). If these data have not been provided by your ISP, select the Without authorization checkbox.
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DSL-2750U Quick Installation Guide
8. For the IPoA and Static IP connection types, fill in the IP Address ,
Netmask , and Gateway IP address fields in the IP section.
9. Deselect the NAT checkbox in the Miscellaneous section if your ISP requires you to disable the network address translation function.
10. Click the Save button.
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DSL-2750U Quick Installation Guide
Ethernet WAN Connection
1. Go to the Advanced / Interface grouping page.
2. Place the mouse pointer on the router's LAN port that will be used as the
WAN port and click the Make WAN line in the menu displayed. Click the Save link.
3. Go to the Net / WAN page and click the Add button.
4.
In the General settings section, from the Provider drop-down list, leave the Manually value.
5.
From the Connection Type drop-down list, select the needed value.
6.
From the Interface drop-down list, select the value corresponding to the
LAN port that will be used as the WAN port.
7. Specify a name for your connection (any name for easier identification) in the Name field.
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DSL-2750U Quick Installation Guide
8. If your ISP uses MAC address binding, in the Ethernet section, in the
MAC field, enter the MAC address registered by your ISP upon concluding the agreement. To set the MAC address of the network interface card (of the computer that is being used to configure the router at the moment) as the MAC address of the WAN interface, click the
Clone MAC Address button ( ). To set the address of a device connected to the router's LAN at the moment, select the relevant value from the drop-down list (the field will be filled in automatically).
9. For the PPPoE connection type, enter authorization data provided by your ISP in the PPP section (the username (login) in the Username field and the password in the Password and Password confirmation fields). If these data have not been provided by your ISP, select the
Without authorization checkbox.
10. For the Static IP connection type, fill in the IP Address , Netmask , and Gateway IP address fields in the IP section.
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DSL-2750U Quick Installation Guide
11. Deselect the NAT checkbox in the Miscellaneous section if your ISP requires you to disable the network address translation function.
12. Click the Save button.
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DSL-2750U Quick Installation Guide
Configuring WAN Backup Function
1. Go to the Net / WAN page and create the main WAN connection. In the
General settings section, select the Enable checkbox.
2. On the Net / WAN page, create the reserve WAN connection. In the
General settings section, deselect the Enable checkbox.
3. Proceed to the Net / Watchdog page and select the Enable checkbox.
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DSL-2750U Quick Installation Guide
4. In the Primary connection settings section, from the Connection name drop-down list, select a WAN connection which will be used as the main one.
5. In the Reserve connection settings section, from the Connection name drop-down list, select a WAN connection which will be used as the reserve one.
6. If needed, specify new values in the fields displayed on the page.
7. Click the Change button.
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DSL-2750U Quick Installation Guide
Configuring Local Area Network
1.
Go to the Net / LAN page. If needed, change the IP address of the router's LAN interface and the mask of the local subnet in the IP
Address and Netmask fields. Then click the Save button.
2.
By default, the DHCP server of the router is enabled. In the DHCP server section, you can change the parameters of the DHCP server. If you want to manually assign IP addresses to devices of your LAN, disable the DHCP server (select the Disable value from the Mode drop-down list).
3.
After specifying the DHCP server settings, click the Save button.
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DSL-2750U Quick Installation Guide
Configuring Wireless Network
By default, the wireless network of the router is open (it requires no password to access it). To avoid unauthorized access to your wireless local area network, change the default settings of the router.
Example of Wireless Settings
1. Go to the Wi-Fi / Security settings page.
2. Select the WPA2-PSK value from the Network Authentication dropdown list.
!
3. Enter a key (a password that will be used to access your wireless network) in the Encryption Key PSK field. Use digits and Latin characters.
4. Select the AES value from the WPA Encryption drop-down list.
5. Click the Change button.
If you perform initial configuration of the router via Wi-Fi connection, note that immediately after changing the wireless default settings you will need to reconfigure the wireless connection using the newly specified settings.
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DSL-2750U Quick Installation Guide
Saving Settings to Non-volatile Memory
In order to avoid losing the new settings upon hardware reboot (accidental or intentional power-off of the device), it is recommended to save the settings to the non-volatile memory of the router.
Click the Save&Reboot line in the top-page menu displayed when the mouse pointer is over the System caption.
Wait until the router is rebooted. Now you can use it to access the Internet or access the web-based interface of the router to configure additional parameters. For detailed description of every page of the web-based interface, see the “ User Manual ” document ( ftp.dlink.ru/pub/ADSL/DSL-
2750U_B1A_T2A/Description/ ).
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DSL-2750U Quick Installation Guide
TECHNICAL SUPPORT
You can find software updates and user documentation on our website.
D-Link provides its customers with free support within the product's warranty period.
Customers can contact the technical support group by phone or by email/Internet.
FOR TELEPHONE NUMBERS AND ADDRESSES OF D-LINK
OFFICES WORLDWIDE VISIT http://www.dlink.com/corporate/worldwideoffices/
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