User Manual DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch 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.....................................
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch User Manual Net........................................................................61 WAN......................................................................61 Creating ADSL WAN Connection...........................................62 Creating Ethernet WAN Connection.......................................68 Creating 3G WAN Connection.............................................72 LAN.......................................................
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch User Manual System....................................................................125 Administrator Password..................................................125 Configuration...........................................................126 System Log..............................................................127 Firmware Upgrade........................................................129 NTP Client..........................................
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Introduction User Manual CHAPTER 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Overview User Manual CHAPTER 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 modem 1 connected). In addition, the device allows accessing the Internet via ADSL technology and via Ethernet technology.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Overview User Manual 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Overview User Manual 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Overview User Manual Network Protocols and Functions: • 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Overview User Manual USB Storage: • File browser • Print server • Shared access to USB storage (Samba).
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Overview User Manual Product Appearance Front Panel Figure 1. Front panel view. LED Power Mode Description Solid green The router is powered on. No light The router is powered off. Solid red A malfunction of the router. 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).
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Overview User Manual Back Panel Figure 2. Back panel view. Port DSL LAN 1-4 Description A DSL port to connect the router to the telephone line. 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Overview User Manual 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/).
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 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 3G/ADSL/Ethernet router DSL-2750U (hereinafter referred to as “the router”) is performed via the built-in web-based interface.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 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. Figure 3. The Network Connections window.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 3. In the Local Area 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 3. In the menu located on the left part of the window, select the Change adapter settings line. Figure 7. The Network and Sharing Center window.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 4. In the opened window, right-click the relevant Local Area Connection icon and select the Properties line in the menu displayed. Figure 8. The Network Connections window.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 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. Figure 9. The Local Area Connection Properties window.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 6. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. Click the OK button. Figure 10. The Internet Protocol Version 4 (TCP/IPv4) Properties window. 7. Click the OK button in the connection properties window. Now your computer is configured to obtain an IP address automatically.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual PC with Wi-Fi Adapter 1. To connect via 3G network: connect your USB modem to the USB port7 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. 2.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 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. Figure 11. The Network Connections window. 3. Search for available wireless networks. 4.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 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.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 6. In the opened window, in the list of available wireless networks, select the wireless network DSL-2750U and click the Connect button. Figure 14. The list of available networks. 7. Wait for about 20-30 seconds. After the connection is established, the network icon will be displayed as the signal level scale.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual Connecting to Web-based Interface When you have configured your computer, you can access the web-based interface and configure needed parameters (for example, create an interface to connect to the Internet, change the parameters of the wireless network, specify the settings of the firewall, edit the password for the administrator account, etc.) 1.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual After successful registration the router's quick settings page opens. Figure 17. The quick settings page. To configure connection to the Internet, click the Connect to internet button. After clicking the button, the Internet Setup Wizard opens (see the Internet Setup Wizard section, page 33). To configure access from the Internet to a web server located in your LAN, click the Host site button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual After clicking the button the system statistics page opens. The page displays general information on the router and its software (the version and the date of the firmware, the IP address of the device, the name of the WLAN, etc.), and data on the DSL connection state. Figure 18. The system statistics page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual 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. Figure 19. Changing the language of the web-based interface. After selecting the language, the notification on unsaved changes will be displayed.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Installation and Connection User Manual Saving and Restoring Settings ! Note that you should regularly save the changes of the router's settings to the nonvolatile memory. The router's web-based interface displays the notification on unsaved changes at the top of the page. Figure 20. The notification on unsaved changes. You can save the router's settings via the top-page menu displayed when the mouse pointer is over the System caption.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual CHAPTER 4. CONFIGURING INTERFACE VIA WEB-BASED Wizards Internet Setup Wizard To configure connection to the Internet, click the Connect to internet button. Figure 22. Configuring connection to the Internet. To create a new WAN connection, click the add new connection link. Figure 23. The page for selecting a 3G network operator.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Figure 24. The page for selecting the connection type. On the opened page, select the needed choice of the radio button and click the Next button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual PPPoE or PPPoA Connection Figure 25. Configuring PPPoE WAN connection. In the Name field, specify a name for the connection for easier identification and click the Next button. Figure 26. Configuring PPPoE WAN connection. In the VPI field, specify the VPI. In the VCI field, specify the VCI. From the Encapsulation Mode drop-down list, select a method of encapsulation.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual If authorization is not required, select the Without authorization checkbox. If needed, specify additional settings for your PPPoE or PPPoA WAN connection. Figure 27. Configuring PPPoE WAN connection. Parameter Service name Authentication algorithm MTU Description Displayed for the PPPoE type only. The name of the PPPoE authentication server.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description Keep Alive Select the checkbox if you want the router to keep you connected to your ISP even when the connection has been inactive for a specified period of time. When the checkbox is selected, the LCP interval and LCP fails fields are available. Specify the required values.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description Enable IGMP Multicast Select the checkbox to allow multicast traffic from the external network (e.g. video streaming) to be received. NAT Select the checkbox if you want one WAN IP address to be used for all computers of your LAN. Firewall Select the checkbox to enable protection against ARP and DDoS attacks. Click the Next button to continue.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual IPoA or Static IP Connection Figure 30. Configuring Static IP WAN connection. In the Name field, specify a name for the connection for easier identification and click the Next button. Figure 31. Configuring Static IP WAN connection. In the VPI field, specify the VPI. In the VCI field, specify the VCI. From the Encapsulation Mode drop-down list, select a method of encapsulation.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Click the Next button to continue. If needed, change the connection settings available in the Miscellaneous section. Figure 32. Configuring Static IP WAN connection. Parameter Description Enable IGMP Multicast Select the checkbox to allow multicast traffic from the external network (e.g. video streaming) to be received.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description Allow to create several connections assigned to this port Select the checkbox to allow the router to use several untagged connections. Use VLAN Select the checkbox to allow the router to use tagged VLAN connections. VLAN ID An identifier for the VLAN. The field is displayed when the Use VLAN checkbox is selected.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Dynamic IP Connection Figure 34. Configuring Dynamic IP WAN connection. In the Name field, specify a name for the connection for easier identification and click the Next button. Figure 35. Configuring Dynamic IP WAN connection. In the VPI, specify the VPI. In the VCI field, specify the VCI. From the Encapsulation Mode drop-down list, select a method of encapsulation.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual If needed, change the connection settings available in the Miscellaneous section. Figure 36. Configuring Dynamic IP WAN connection. Parameter Description Enable IGMP Multicast Select the checkbox to allow multicast traffic from the external network (e.g. video streaming) to be received. NAT Select the checkbox if you want one WAN IP address to be used for all computers of your LAN.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description Allow to create several connections assigned to this port Select the checkbox to allow the router to use several untagged connections. Use VLAN Select the checkbox to allow the router to use tagged VLAN connections. VLAN ID An identifier for the VLAN. The field is displayed when the Use VLAN checkbox is selected.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Bridge Connection Figure 38. Configuring Bridge WAN connection. In the Name field, specify a name for the connection for easier identification and click the Next button. Figure 39. Configuring Bridge WAN connection. In the VPI field, specify the VPI. In the VCI field, specify the VCI. From the Encapsulation Mode drop-down list, select a method of encapsulation.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual If needed, change the connection settings available in the VLAN section. Figure 40. Configuring Bridge WAN connection. Parameter Description Allow to create several connections assigned to this port Select the checkbox to allow the router to use several untagged connections. Use VLAN Select the checkbox to allow the router to use tagged VLAN connections.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual 3G Connection Figure 41. Configuring 3G WAN connection. In the Name field, specify a name for the connection for easier identification and click the Next button. Figure 42. Configuring 3G WAN connection.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual In the Mode drop-down list, leave the auto value in order to let the router connect automatically to an available type of network, or select a needed value from the drop-down list. For GSM USB modems only. In the Username field, enter your login, and in the Password and Password confirmation fields – the password provided by your 3G operator.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual If needed, change the connection settings available in the Miscellaneous section. Parameter Description Enable IGMP Multicast Select the checkbox to allow multicast traffic from the external network (e.g. video streaming) to be received. NAT Select the checkbox if you want one WAN IP address to be used for all computers of your LAN.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Site Setup Wizard To create a virtual server for redirecting incoming Internet traffic to a specified IP address in the LAN, click the Host site button. Figure 44. The page for adding a virtual server. On the opened page, you can specify the following parameters: Parameter Description Name Enter a name for the virtual server for easier identification. You can specify any name.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Wi-Fi Setup Wizard To specify all needed settings for your wireless network, click the Configure Wi-Fi button. Figure 45. The page for enabling/disabling the wireless LAN. On the opened page, in the Common settings section, select the Enable Wireless checkbox (if it was deselected before) to enable Wi-Fi connections. Click the Next button to continue.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual On the next page, you can modify security settings of the WLAN. By default, the Open network authentication type with no encryption is specified for the WLAN. Figure 47. The default security settings. ! The default security settings do not provide sufficient protection for the WLAN. Please, specify your own security settings.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual When the Open value is selected, the WEP Encryption settings section is displayed: Figure 48. The Open value is selected from the Network Authentication drop-down list. Parameter Description The checkbox activating WEP encryption. When the checkbox is Enable Encryption WEP selected, the Encryption Key WEP (1) field and the Encryption Key WEP as HEX checkbox are displayed.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual When the WPA-PSK or WPA2-PSK value is selected, the WPA Encryption settings section is displayed: Figure 49. The WPA2-PSK value is selected from the Network Authentication drop-down list. Parameter Description Encryption Key PSK A key for WPA encryption. The key can contain digits and/or Latin characters.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Status The pages of this section display data on the current state of the router: • network statistics • DSL connection status • active WAN connections • IP addresses leased by the DHCP server • the routing table • data on devices connected to the router's network and its web-based interface.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual DSL Status The information shown on the tabs of the Status / DSL status page can be used for troubleshooting and diagnosing connection problems. Figure 51. The Status / DSL status page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual WAN Status The Status / WAN status page displays active WAN connections. Figure 52. The Status / WAN status page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual DHCP The Status / DHCP page displays the information on computers that have been identified by hostnames and MAC addresses and have got IP addresses from the DHCP server of the device, as well as the IP address expiration periods (the lease time). Figure 53. The Status / DHCP page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Routing Table The Status / Routing table page displays the information on routes. The table contains destination IP addresses, gateways, subnet masks, and other data. Figure 54. The Status / Routing table page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual LAN Clients On the Status / LAN clients page, you can view data on network devices connected to the router. The page displays devices connected to the wireless network of the router, devices connected to the built-in switch of the router, and devices accessing the web-based interface of the router. Figure 55. The Status / LAN clients page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Net In this menu you can configure basic parameters of the router's local area network and configure connection to the Internet (a WAN connection). WAN On the Net / WAN page, you can create and edit connections used by the router. Figure 56. The Net / WAN page. To create a new connection, click the Add button. On the page displayed, specify the relevant values.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Creating ADSL WAN Connection Figure 57. The page for creating a new connection. The General settings, ATM and VLAN sections.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description General settings Provider Leave the Manually value. A type of network protocol to be used by the connection. Available values: Connection Type Port • PPPoE • PPPoA • IPoA • Static IP • Dynamic IP • Bridge. A physical interface to which the new connection will be assigned. Leave the DSL(new) value to create a new interface at the physical layer.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description sent in an effort to minimize lag or jitter caused by traffic inconsistencies. When you select this value from the drop-down list, the Peak Cell Rate field is displayed. Specify a required value (in cells per second). CBR (Constant Bit Rate): This service is used for applications that require a constant data rate.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description VLAN ID An identifier for the VLAN. The field is displayed when the Use VLAN checkbox is selected. VLAN priority A priority tag for the type of traffic transmitted. The field is displayed when the Use VLAN checkbox is selected. The Miscellaneous section is displayed for all connection types except for Bridge. Figure 58. The page for creating a new connection.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual The PPP section is displayed for the PPPoE and PPPoA connection types. Figure 59. The page for creating a new connection. The PPP section. Parameter Description PPP Username Without authorization Password Password confirmation Service name Authentication algorithm MTU Keep Alive A username (login) to access the Internet.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description Dial on demand Select the checkbox if you want the router to establish connection to the Internet on demand. In the Maximum idle time field, specify a period of inactivity (in seconds) after which the connection should be terminated. PPP IP extension This option is used by some ISPs. Contact your ISP to clarify if this checkbox needs to be enabled.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Creating Ethernet WAN Connection Prior to creating an Ethernet WAN connection, specify a LAN port that will be used as the WAN port (see the Interface Grouping section, page 95). Figure 61. The page for creating a new connection. The General settings and Ethernet sections. Parameter Description General settings Provider Leave the Manually value.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description VLAN (The section is displayed, if the VLAN MUX Mode choice of the Ethernet WAN type radio button is selected on the Advanced / Interface grouping page.) Allow to create several connections assigned to this port If the checkbox is selected, the router is able to use several untagged connections.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual The PPP section is displayed for the PPPoE connection type. Figure 63. The page for creating a new connection. The PPP section. Parameter Description PPP Username Without authorization Password Password confirmation A username (login) to access the Internet. Select the checkbox if you don't need to enter a username and password to access the Internet. A password to access the Internet.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description Dial on demand Select the checkbox if you want the router to establish connection to the Internet on demand. In the Maximum idle time field, specify a period of inactivity (in seconds) after which the connection should be terminated. PPP IP extension This option is used by some ISPs. Contact your ISP to clarify if this checkbox needs to be enabled.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Creating 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 (see the USB Modem section, page 115). Then proceed to the Net / WAN page, click the Add button, and select the 3G value from the Connection Type drop-down list.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Figure 66. The page for creating a new connection. The PPP and Miscellaneous sections. Parameter Description PPP Username Without authorization Password Password confirmation APN A username (login) to connect to the network of the operator. Select the checkbox if your operator does not require authorization. A password to connect to the network of the operator.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description Keep Alive Select the checkbox if you want the router to keep you connected to the network of your operator even when the connection has been inactive for a specified period of time. When the checkbox is selected, the LCP interval and LCP fails fields are available. Specify the required values.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual LAN To configure the router's local interface, proceed to the Net / LAN page. Figure 67. The page for configuring the local interface. If needed, edit the basic parameters of the local interface. Parameter Description IP Address The IP address of the router in the local subnet. By default, the following value is specified: 192.168.1.1. Netmask The mask of the local subnet.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual To create a MAC-IP pair, click the Add button and specify the following parameters: Parameter Description IP address An IP address which will be assigned to the device with the specified MAC address. MAC address The MAC address of the device from the LAN. When all needed MAC-IP pairs are specified, click the Save button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Watchdog On the Net / Watchdog page, you can enable the WAN backup function, which provides you with uninterrupted access to the Internet. When your main connection breaks down, the router activates the backup connection; and when the main channel is recovered, the router switches to it and disconnects the reserve one. Figure 68. The Net / Watchdog page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description IP address for checks An IP address that the router will check for availability via ICMP ping mechanism. Timeout between connect attempts A time period (in seconds) between attempts to establish the main connection. By default, the value 10 is specified. Time to try to connect A time period (in seconds) for an attempt to establish the main connection.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Wi-Fi In this menu you can specify all needed settings for your wireless network. Common settings On the Wi-Fi / Common settings page, you can enable your wireless local area network (WLAN). Figure 69. The page for enabling/disabling the wireless LAN. The Enable Wireless checkbox enables Wi-Fi connections. By default, the checkbox is selected.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Basic Settings On the Wi-Fi / Basic settings page, you can configure basic parameters of the router's WLAN. Figure 70. Basic settings of the wireless LAN. Parameter Description Hide Access Point If the checkbox is selected, other users cannot see your Wi-Fi network. (It is recommended not to select this checkbox in order to simplify initial configuration of your WLAN.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Security Settings On the Wi-Fi / Security settings page, you can modify security settings of the WLAN. Figure 71. The default security settings. By default, the Open network authentication type with no encryption is specified for the WLAN. ! The default security settings do not provide sufficient protection for the WLAN. Please, specify your own security settings.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual When the Open value is selected, the WEP Encryption settings section is displayed: Figure 72. The Open value is selected from the Network Authentication drop-down list. Parameter Description The checkbox activating WEP encryption. When the checkbox is Enable Encryption WEP selected, the Encryption Key WEP (1) field and the Encryption Key WEP as HEX checkbox are displayed.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual When the WPA-PSK or WPA2-PSK value is selected, the WPA Encryption settings section is displayed: Figure 73. The WPA2-PSK value is selected from the Network Authentication drop-down list. Parameter Description Encryption Key PSK A key for WPA encryption. The key can contain digits and/or Latin characters.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual MAC Filter On the Wi-Fi / MAC Filter page, you can define a set of MAC addresses of devices which will be allowed to access the WLAN, or define MAC addresses of devices which will not be allowed to access the WLAN. Figure 74. The MAC filter for the wireless network. By default, MAC filtering is not active (the Disabled choice of the MAC filter restrict mode radio button is selected).
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual To add a MAC address to which the selected filtering mode will be applied, proceed to the MAC addresses tab. Figure 75. The tab for adding a MAC address. Enter an address in the MAC address field of the MAC address adding section, and click the Add button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Station List On the Wi-Fi / Station List page, you can view the list of wireless devices connected to the router. Figure 76. The list of the router's wireless clients. To view the latest data on the devices connected to the WLAN, click the Refresh button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual WPS On the Wi-Fi / WPS page, you can enable the function for secure configuration of the WLAN and select a method used to easily add wireless devices to the WLAN. The WPS function helps to configure the protected wireless network automatically. Devices connecting to the wireless network via the WPS function must support the WPS function.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual To activate the WPS function, select the WPS Enable checkbox and click the Change button. When the checkbox is selected, the Information and Connection sections are available on the page. Parameter Description The state of the WPS function: WPS Status SSID • Configured (all needed settings are specified) • Unconfigured (you need to specify the relevant settings).
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Using WPS Function via Web-based Interface To add a wireless device via the PIN method of the WPS function, follow the next steps: 1. Select the WPS Enable checkbox. 2. Click the Change button. 3. Select the PIN value from the WPS Method drop-down list. 4. Select the PIN method in the software of the wireless device that you want to connect to the router's WLAN. 5.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Later you will be able to add wireless devices to the WLAN by pressing the WPS button of the router. 1. Select the PBC method in the software of the wireless device that you want to connect to the router's WLAN. 2. Click the relevant button in the software or press the WPS button on the cover of the wireless device that you want to connect to the WLAN. 3. Press the WPS button of the router.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Additional Settings On the Wi-Fi / Additional settings page, you can define additional parameters for the router's WLAN. ! Changing parameters presented on this page may negatively affect your WLAN! Figure 78. Additional settings of the WLAN.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Advanced In this menu you can configure advanced settings of the router: • enable and configure the SNMP agent • enable the UPnP function • define interface groups and allow the router to connect to a private Ethernet line • configure a DDNS service • add name servers • define static routes • allow the router to use RIP • edit the ADSL connection parameters • create rules for
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual SNMP On the Advanced / SNMP page, you can enable and configure the SNMP agent. The agent is used to collect data on the state of the router and manage the device via the SNMP protocol. Figure 79. The Advanced / SNMP page. To allow the router to use the SNMP agent, select the Enable/Disable SNMP checkbox and set the needed values in the fields on the page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual UPnP On the Advanced / UPnP page, you can enable and disable the UPnP function. UPnP is a set of networking protocols designed for automatic configuration of network devices. The UPnP function performs automatic configuration of the device's parameters for network applications requiring an incoming connection to the router. Figure 80. The Advanced / UPnP page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Interface Grouping On the Advanced / Interface grouping page, you can assign virtual PVC connections to the router's ports (create groups of interfaces), which allows distinguishing different types of traffic. This function is mostly used in Triple-play networks. Also on the page you can configure the router to connect to a private Ethernet line.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual To create a new rule for interface grouping (a group of ports), click the Add group button (the button is not displayed if there is no WAN connection in the system). Figure 82. The page for adding a new group of ports. You can specify the following parameters: Parameter Description Name A name for the group for easier identification. You can specify any name.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual DDNS On the Advanced / DDNS page, you can define parameters of the DDNS service, which allows associating a domain name with dynamic IP addresses. Figure 83. The Advanced / DDNS page. To add a new DDNS service, click the Add button. Figure 84. The page for editing a DDNS service.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual DNS On the Advanced / DNS page, you can add DNS servers to the system. Figure 85. The Advanced / DNS page. DNS servers are used to determine the IP address from the name of a server in Intranets or the Internet (as a rule, they are specified by an ISP or assigned by a network administrator). The device performs the DNS relay function, i.e.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Routing On the Advanced / Routing page, you can add static routes (routes for networks that are not connected directly to the device but are available through the interfaces of the device) into the system. Figure 86. The Advanced / Routing page. To create a new route, click the Add button. Figure 87. The page for adding a static route.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual To edit an existing route, select the needed route in the table. On the opened page, change the needed parameters and click the Save button. To remove an existing route, select the needed route in the table. On the opened page, click the Delete button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual RIP On the Advanced / RIP page, you can enable RIP. RIP is a routing protocol designed for automatic update of the routing table on the basis of the network status information. You can allow the router to apply RIP for the local interface and WAN connections available on this page and specify a version of the protocol and an operating mode of the router. Figure 88. The Advanced / RIP page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual ADSL The Advanced / ADSL page includes the set of ADSL standards that should be defined by an ISP. Contact your ISP to set proper parameters. Select the relevant options and click the Change button. Figure 89. The Advanced / ADSL page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Remote Access On the Advanced / Remote access page, you can configure remote access to the web-based interface of the router. By default, the access from external networks to the router is closed. If you need to allow access to the router from the external network, create relevant rules. Figure 90. The Advanced / Remote access page. To create a new rule, click the Add button. Figure 91.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description Public port An external port of the router. You can specify only one port. The field is displayed when the HTTP value is selected from the Protocol drop-down list. Click the Change button. To edit a rule for remote access, click the relevant link. On the opened page, change the needed parameters and click the Change button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Firewall In this menu you can configure the firewall of the router: • add rules for IP filtering • create virtual servers • define a DMZ • configure the Port Triggering function • configure the MAC filter. IP Filters On the Firewall / IP filters page, you can create new rules for filtering IP packets and edit or remove existing rules. Figure 92. The Firewall / IP filters page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual You can specify the following parameters: Parameter Description IP filter rule editing Name Protocol A name for the rule for easier identification. A protocol for network packet transmission. Select a value from the drop-down list. To apply the rule to all protocols from the list, select the value (when this value is selected, the Ports section is not displayed).
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Description Destination A port of the destination IP address. You can specify one port, several ports separated by a comma, or a range of ports separated by a colon. Click the Change button. To edit a rule for IP filtering, select the relevant rule in the table. On the opened page, change the needed parameters and click the Change button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Virtual Servers On the Firewall / Virtual servers page, you can create virtual servers for redirecting incoming Internet traffic to a specified IP address in the local area network. Figure 94. The Firewall / Virtual servers page. To create a new virtual server, click the Add button. Figure 95. The page for adding a virtual server.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Parameter Public port (begin)/ Public port (end) Private port (begin)/ Private port (end) Description A port of the router from which traffic is directed to the IP address specified in the Private IP field. Specify the start and the end value for the port range.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual DMZ A DMZ is a host or network segment located “between” internal (local) and external (global) networks. In the router, the DMZ implements the capability to transfer a request coming to a port of the DSL router from the external network to a specified host of the internal network. On the Firewall / DMZ page you can specify the IP address of the DMZ host. Figure 96. The Firewall / DMZ page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Application Rules On the Firewall / Application rules page, you can define rules for the Port Triggering function. Figure 97. The Firewall / Application rules page. To add a new rule for the Port Triggering function, click the Add button. Figure 98. The page for adding a rule for the Port Triggering function.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual You can specify the following parameters: Parameter Description Application rule editing Rules name Interface A name for the rule for easier identification. A WAN connection to which this rule will be assigned. Incoming port and protocol settings Protocol Starting port/ Ending port A protocol to which this rule will be applied upon receiving data to the specified port or port range.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual MAC Filter The MAC-address-based filtering allows forwarding and blocking traffic subject to the source and destination MAC addresses. ! MAC-address-based filtering is active only when the device is configured as a transparent bridge (the Bridge mode). On the Configuration tab, you can select the operating mode of the MAC filter.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual On the opened page, specify the needed parameters. Figure 101. The page for adding a rule for MAC-address-based filtering. Parameter Description Source MAC address The MAC address of the source host.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual USB Modem This menu is designed to operate USB modems. If the PIN code check for the SIM card inserted into your USB modem is not disabled, then upon the first access to the pages of the USB modem menu (under the current web-interface session) the page for checking the PIN code is displayed8. Enter the PIN code in the relevant field and click the Enter button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual PIN On the USB modem / PIN page, you can change the PIN code of the identification card inserted into your USB modem, disable or enable the check of the PIN code. ! The operations presented on this page are not available for CDMA USB modems. Figure 103. The USB modem / PIN page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual USB Storage Information On the USB storage / Information page, you can view data on the USB storage connected to the router. Figure 105. The USB storage / Information page. The following data are presented on the page: the name, total and free space of the storage, and the type of its file system.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Filebrowser On the USB storage / Filebrowser page, you can view the content of your USB storage connected to the router and remove separate folders and files from the USB storage. Figure 106. The USB storage / Filebrowser page. To view the content of the USB storage, click the link with the name of the storage or storage partition. The list of folders and files will be displayed on the page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Print Server On the USB storage / Print-server page, you can configure the router as a print server. Being configured in this way, the router will allow your LAN users to share the printer connected to the USB port of the router. To connect a printer to the router, power off both devices. Connect printer to the USB port of the router, power on the printer, then power on the router.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Samba On the USB storage / Samba page, you can create accounts used to access the USB storage connected to the router. Figure 108. The USB storage / Samba page. To create a new account, click the Add button. Figure 109. The page for adding an account used to access the USB storage. On the opened page, specify a username and password for the new account. Use Latin characters and/or digits.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Control This menu is designed to create restrictions on access to the Internet for users of your LAN: forbid access for specified computers and limit access to certain web sites. Parent Control On the Control / Parent control page, you can create rules restricting access to the Internet for computers with specified MAC addresses during particular time periods on particular days. Figure 110.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual You can specify the following parameters: Parameter Description Parent control editing On Select the checkbox to enable the rule. Name A name for the rule for easier identification. You can specify any name. MAC address The MAC address of the computer to which this rule will be applied. Days of implementation Select checkboxes corresponding to the needed days of the week.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual URL Filter On the Control / URL filter page, you can specify restrictions on access to certain web sites. Figure 112. The Control / URL filter page. The Configuration tab.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Figure 114. The page for adding an address for the URL filter. Enter a URL address in the URL address field, specify a port (as usual, you need to specify port 80 for HTTP), then click the Save button. To remove an address from the list of URL addresses, select the relevant address in the table on the URL addresses tab and click the Delete button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual System In this menu you can do the following: • change the password used to access the router's settings • save the current settings to the non-volatile memory • create a backup of the router's configuration • restore the router's configuration from a previously saved file • restore the factory default settings • view the system log • update the firmware of the router • configur
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Configuration On the System / Configuration page, you can save the changed settings to the non-volatile memory, restore the factory defaults, backup the current configuration, or restore the router's configuration from a previously created file. Figure 116. The System / Configuration page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual System Log On the System / System log page, you can set the system log options and configure sending the system log to a remote host. Figure 117. The System / System log page. The Configuration tab. To enable logging of the system events, select the Logging checkbox on the Configuration tab. Then specify the needed parameters.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Control Description Server The IP or URL address of the host from the local or global network, to which the system log will be sent. Port A port of the host specified in the Server field. By default, the value 514 is specified. After specifying the needed parameters, click the Change button.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Firmware Upgrade On the System / Firmware upgrade page, you can upgrade the firmware of the router. ! Upgrade the firmware only when the router is connected to your PC via a wired connection. Figure 119. The System / Firmware upgrade page. The current version of the router's firmware is displayed in the Firmware version field on the Start page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual NTP Client On the System / NTP client page, you can configure automatic synchronization of the system time with a time server on the Internet. Figure 120. The System / NTP client page. To enable automatic synchronization with a time server: 1. Select the Enabled checkbox. 2. Select your time zone. 3.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Configuring via Web-based Interface User Manual Ping On the System / Ping page, you can check availability of a host from the local or global network via the Ping utility. The Ping utility sends echo requests to a specified host and receives echo replies. Figure 121. The System / Ping page.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Operation Guidelines User Manual CHAPTER 5. OPERATION GUIDELINES Supported USB Modems GSM modems: • Huawei E150 • Huawei E1550 • Huawei E160G • Huawei E169G • Huawei E220 • ZTE MF112 • ZTE MF626 • ZTE MF627. CDMA modems11: • Airplus MCD-650 • Airplus MCD-800 • AnyDATA ADU-300A • AnyDATA ADU-310A.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Operation Guidelines User Manual Safety Instructions Place your router on a flat horizontal surface or mount the router on the wall (the mounting holes are located on the bottom panel of the device). Make sure that the router is provided with sufficient ventilation. To prevent overheating, do not obstruct the ventilation openings of the router.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Operation Guidelines User Manual Wireless Installation Considerations The DSL-2750U device lets you access your network using a wireless connection from virtually anywhere within the operating range of your wireless network. Keep in mind, however, that the number, thickness and location of walls, ceilings, or other objects that the wireless signals must pass through, may limit the range.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Operation Guidelines User Manual Creating Two Connections on One Channel ADSL WAN Connections In some cases, it is necessary to assign two WAN connections (of the Bridge/Static IP/Dynamic IP type) to one virtual channel (that is, to specify the same values of the VPI/VCI). For example, your ISP provides the IPTV service (VPI = 0, VCI = 35).
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Operation Guidelines User Manual Ethernet WAN Connections In some cases, it is necessary to assign two WAN connections to one physical interface. For example, your private Ethernet line is connected to the LAN 3 port of the router. The ISP provides the IPTV service.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Abbreviations and Acronyms User Manual CHAPTER 6.
DSL-2750U 3G/ADSL/Ethernet Router with Wi-Fi and Built-in Switch Abbreviations and Acronyms User Manual PIN Personal Identification Number PPPoA Point-to-Point Protocol over ATM PPPoE Point-to-point protocol over Ethernet PSK Pre-shared key PUK PIN Unlock Key QoS Quality of Service R-UIM Removable User Identity Module RIP Routing Information Protocol RTS Request To Send SIM Subscriber Identification Module SNMP Simple Network Management Protocol SSID Service Set Identifier TKIP T
