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- D-Link
- Wireless Router
- DSL-2750U
- User Manual
D-Link DSL-2750U User Manual
Summary of DSL-2750U
Page 1
User manual dsl-2750u wireless n adsl2+ usb modem router march 2014.
Page 2: Contents
Dsl-2750u wireless n adsl2+ usb modem router user manual contents chapter 1. Introduction..........................................5 contents and audience.......................................................5 conventions.................................................................5 document st...
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Dsl-2750u wireless n adsl2+ usb modem router user manual wi-fi.....................................................................106 basic settings..........................................................106 security settings.......................................................108 mac filter......
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Dsl-2750u wireless n adsl2+ usb modem router user manual chapter 5. Operation guidelines................................176 supported usb modems......................................................176 safety instructions.......................................................178 wireless installatio...
Page 5: Chapter 1. Introduction
Dsl-2750u wireless n adsl2+ usb modem router user manual introduction 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-hom...
Page 6: Chapter 2. Overview
Dsl-2750u wireless n adsl2+ usb modem router user manual overview chapter 2. Overview general information dsl-2750u is a multifunction lte/3g/adsl/ethernet router with wi-fi and built-in switch. The router allows accessing the internet via lte, 3g gsm or cdma network (with a usb modem 1 connected )....
Page 7: Specifications
Dsl-2750u wireless n adsl2+ usb modem router user manual overview specifications * hardware interfaces • adsl: 1 rj-11 port • lan: 4 rj-45 10/100base-tx fast ethernet ports with auto-mdi/mdix • wlan: built-in 802.11b, g, and n wireless interface • usb 2.0 type a port frequency range • 2412 ~ 2484mhz...
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Dsl-2750u wireless n adsl2+ usb modem router user manual overview software wan connection types • lte • 3g • adsl ◦ pppoe ◦ pppoa ◦ ipoa ◦ static ip ◦ dynamic ip ◦ bridge • ethernet ◦ pppoe ◦ static ip ◦ dynamic ip ◦ bridge wireless network • ieee 802.11n standard, ieee 802.11b/g compliant • wep dat...
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Dsl-2750u wireless n adsl2+ usb modem router user manual overview network protocols and functions • dhcp server/client/relay • dns relay • ddns • static ip routing • remote management • network statistics for each interface • igmp proxy • igmp snooping • rip • upnp • support of vlan • wan ping respo...
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Dsl-2750u wireless n adsl2+ usb modem router user manual overview configuration and management • multilingual web-based interface for configuration and management • access via telnet • firmware update via web-based interface • automatic notification on new firmware version • saving/restoring configu...
Page 11: Product Appearance
Dsl-2750u wireless n adsl2+ usb modem router user manual overview 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. Dsl solid green dsl has been synchronized. Blinking green detecting a carr...
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Dsl-2750u wireless n adsl2+ usb modem router user manual overview led mode description lan 1-4 solid green a device is connected to the port of the router (for the lan port configured as the wan port: the router is connected to an ethernet line). Blinking green the relevant lan port is active (upstr...
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Dsl-2750u wireless n adsl2+ usb modem router user manual overview side panel figure 2. Side panel view. Name description wps wlan a button to enable/disable the router's wireless network and to quickly add wireless devices to the router's wlan (the wps function). To enable/disable the router's wirel...
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Dsl-2750u wireless n adsl2+ usb modem router user manual overview back panel figure 3. Back panel view. Port description dsl a dsl port to connect the router to the telephone line. Lan 1-4 4 ethernet ports to connect ethernet devices. One port can be used to connect to a private ethernet line. Reset...
Page 15: Delivery Package
Dsl-2750u wireless n adsl2+ usb modem router user manual overview delivery package the following should be included: • wireless router dsl-2750u • power adapter dc 12v/1a • rj-11 telephone cable • ethernet cable (cat 5e) • splitter • “ quick installation guide ” (brochure). The “ user manual ” and “...
Page 16: Before You Begin
Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection chapter 3. Installation and connection before you begin please, read this manual prior to installing the device. Make sure that you have all the necessary information and equipment. Operating system configuration of...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection usb modem to connect to a lte, 3g gsm or cdma network, you should use a usb modem. Connect it to the usb port of the router, then access the web-based interface of the router, and you will be able to configure a con...
Page 18: Connecting To Pc
Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 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 yo...
Page 19
Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 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, r...
Page 20
Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 3. In the local area connection properties window, on the general tab, select the internet protocol (tcp/ip) line. Click the properties button. Figure 5. The local area connection properties window. Page 20 of 182.
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 4. Select the obtain an ip address automatically and obtain dns server address automatically radio buttons. Click the ok button. Figure 6. The internet protocol (tcp/ip) properties window. 5. Click the ОК button in ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 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 (th...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 3. In the menu located on the left part of the window, select the change adapter settings line. Figure 8. The network and sharing center window. Page 23 of 182.
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 4. In the opened window, right-click the relevant local area connection icon and select the properties line in the menu displayed. Figure 9. The network connections window. Page 24 of 182.
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 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 10. The local area connection properties window. ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 6. Select the obtain an ip address automatically and obtain dns server address automatically radio buttons. Click the ok button. Figure 11. The internet protocol version 4 (tcp/ipv4) properties window. 7. Click the ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection pc with wi-fi adapter 1. To connect via usb modem: 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...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 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 conne...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 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 categor...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 6. In the opened window, in the list of available wireless networks, select the wireless network dsl-2750u and click the connect button. Figure 15. The list of available networks. 7. Wait for about 20-30 seconds. Af...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection 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 t...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection right after the first access to the web-based interface you are forwarded to the page for changing the administrator password specified by default. Figure 18. The page for changing the default administrator password...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection web-based interface structure after successful registration the router's quick settings page opens. Figure 19. The quick settings page. The web-based interface of the router is multilingual. Select a needed language...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection on the quick settings page you can run a needed wizard, quickly get to some pages of the web- based interface, search for a specific page, or switch to the advanced settings section. To upgrade the firmware of the r...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection figure 21. The advanced settings page. The pages of the status section display data on the current state of the router (for the description of the pages, see the status section, page 80). The pages of the net sectio...
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Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection the pages of the control section are designed for creating restrictions on access to the internet (for the description of the page, see the control section, page 160). The pages of the system section provide functio...
Page 37
Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection you can save the router's settings via the top-page menu displayed when the mouse pointer is over the system caption. Figure 24. The top-page menu. Click the reboot line if you have already saved the router's settin...
Page 38: Interface
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface chapter 4. Configuring via web-based interface click'n'connect to configure a wan connection, click the click'n'connect link in the net section. Figure 25. Configuring a wan connection. Connect a phone cable...
Page 39
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 26. The page for selecting a 3g network operator. On the opened page, from the provider drop-down list, select your country and operator if you are going to configure a 3g network connection, or leave...
Page 40
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 27. The page for selecting the connection type. On the opened page, select the needed choice of the radio button and click the next button. Figure 28. The page for selecting a port or interface. On th...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface creating wan connection pppoe or pppoa connection figure 29. Configuring pppoe wan connection. In the connection name field, specify a name for the connection for easier identification. For adsl wan connecti...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 30. Configuring pppoe wan connection. The expert settings mode. The atm section. Parameter description connection name a name for connection for easier identification. Atm vpi virtual path identifier....
Page 43
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description 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...
Page 44
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 31. Configuring pppoe wan connection. The expert settings mode. The ethernet section. Parameter description ethernet mtu the maximum size of units transmitted by the interface. Mac a mac address assig...
Page 45
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 32. Configuring pppoe wan connection. The expert settings mode. The ppp section. Parameter description ppp username a username (login) to access the internet. Without authorization select the checkbox...
Page 46
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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) ...
Page 47
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description miscellaneous enable rip select the checkbox to allow using rip for this connection. Enable igmp multicast select the checkbox to allow multicast traffic from the external network (e.G....
Page 48
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface ipoa or static ip connection figure 34. Configuring static ip wan connection. In the connection name field, specify a name for the connection for easier identification. For adsl wan connection, fill in the v...
Page 49
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 35. Configuring static ip wan connection. The expert settings mode. The atm and ip sections. Parameter description connection name a name for connection for easier identification. Atm vpi virtual path...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description 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...
Page 51
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 36. Configuring static ip wan connection. The expert settings mode. The ethernet section. Parameter description ethernet mtu the maximum size of units transmitted by the interface. Mac a mac address a...
Page 52
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 37. Configuring static ip wan connection. The expert settings mode. The miscellaneous and vlan sections. Parameter description miscellaneous enable rip select the checkbox to allow using rip for this ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description 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. Vlan ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface dynamic ip connection figure 38. Configuring dynamic ip wan connection. In the connection name field, specify a name for the connection for easier identification. For adsl wan connection, fill in the vpi and...
Page 55
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 39. Configuring dynamic ip wan connection. The expert settings mode. The atm and ip sections. Parameter description connection name a name for connection for easier identification. Atm vpi virtual pat...
Page 56
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description 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...
Page 57
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 40. Configuring dynamic ip wan connection. The expert settings mode. The ethernet section. Parameter description ethernet mtu the maximum size of units transmitted by the interface. Mac a mac address ...
Page 58
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 41. Configuring dynamic ip wan connection. The expert settings mode. The miscellaneous and vlan sections. Parameter description miscellaneous enable rip select the checkbox to allow using rip for this...
Page 59
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description 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. Vlan ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface bridge connection figure 42. Configuring bridge wan connection. In the connection name field, specify a name for the connection for easier identification. For adsl wan connection, fill in the vpi and vci fie...
Page 61
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 43. Configuring bridge wan connection. The expert settings mode. The atm and vlan sections. Parameter description connection name a name for connection for easier identification. Atm vpi virtual path ...
Page 62
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description 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...
Page 63
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 44. Configuring bridge wan connection. The expert settings mode. The ethernet section. Parameter description ethernet mtu the maximum size of units transmitted by the interface. Mac a mac address assi...
Page 64
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 3g connection figure 45. Configuring 3g wan connection. In the connection name field, specify a name for the connection for easier identification. In the username field, enter your login, and in the password...
Page 65
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 46. Configuring 3g wan connection. The expert settings mode. The ppp section. Parameter description connection name a name for connection for easier identification. Mode the value of the field specifi...
Page 66
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description mtu the maximum size of units transmitted by the interface. Optional . Keep alive select the checkbox if you want the router to keep you connected to the network of your operator even w...
Page 67
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description miscellaneous 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 att...
Page 68
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface lte connection figure 48. Configuring lte wan connection. In the connection name field, specify a name for the connection for easier identification. If your isp has provided the addresses of the dns servers,...
Page 69
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 49. Configuring lte wan connection. The expert settings mode. The ip and miscellaneous sections. Parameter description connection name a name for connection for easier identification. Mode the value o...
Page 70
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description 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. Ping sel...
Page 71
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface checking internet availability on the page, you can check the wan connection you have created. Figure 50. Checking the internet availability. In the result section, the status of the wan connection and possi...
Page 72
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface configuring wireless connection figure 51. The page for selecting the operating mode for the wireless network . If you are not going to use the wireless connection, select the turn off choice of the mode rad...
Page 73
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface on the opened page, in the ssid field, specify a new name for the network (use digits and latin characters). Figure 52. Page for changing the name of the wireless lan . Click the next button to continue. Pag...
Page 74
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface on the next page, you can modify security settings of the wlan. ! The default security settings do not provide sufficient protection for the wlan. Please, specify your own security settings for the wlan. Sel...
Page 75
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface wireless network settings wizard to specify all needed settings for your wireless network, click the wireless network settings wizard in the wi-fi section. Figure 54. The page for selecting the operating mod...
Page 76
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface on the opened page, in the ssid field, specify a new name for the network (use digits and latin characters). Figure 55. Page for changing the name of the wireless lan . Click the next button to continue. Pag...
Page 77
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface on the next page, you can modify security settings of the wlan. ! The default security settings do not provide sufficient protection for the wlan. Please, specify your own security settings for the wlan. Sel...
Page 78
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface virtual server settings wizard to create a virtual server for redirecting incoming internet traffic to a specified ip address in the lan, click the virtual server settings wizard link in the firewall section...
Page 79
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description private port (begin)/ private port (end) enter the ip address of the server from the local area network. To choose a device connected to the router's lan at the moment, select the relev...
Page 80: Status
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface status the pages of this section display data on the current state of the router: • network statistics • dsl connection status • ip addresses leased by the dhcp server • the routing table • data on devices c...
Page 81
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface dsl status the information shown on the tabs of the status / dsl status page can be used for troubleshooting and diagnosing connection problems. Figure 59. The status / dsl status page. Page 81 of 182.
Page 82
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 addr...
Page 83
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 61. The status / routing table pa...
Page 84
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface clients on the status / clients page, you can view the list of devices connected to the router and devices accessing its web-based interface. Figure 62. The status / clients page. For each device the followi...
Page 85: Net
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 connecti...
Page 86
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface creating adsl wan connection figure 64. The page for creating a new connection. The general settings and atm sections. Parameter description general settings provider leave the manually value. Connection typ...
Page 87
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description enable select the checkbox to enable the connection. Direction the direction of this connection. Atm vpi virtual path identifier. The valid range is from 0 to 250. Vci virtual circuit i...
Page 88
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description displayed. Specify required values. Realtime vbr ( real-time variable bit rate ): this service is used for delay- sensitive applications such as real time video. The rt-vbr provides hig...
Page 89
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 display...
Page 90
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface the ppp section is displayed for the pppoe and pppoa connection types. Figure 67. The page for creating a new connection. The ppp section. Parameter description ppp username a username (login) to access the ...
Page 91
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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) ...
Page 92
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description ip ip address displayed for the static ip and ipoa types only. Enter an ip address for this wan connection. Netmask displayed for the static ip and ipoa types only. Enter a subnet mask ...
Page 93
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 etherwan section, page 127). Figure 69. The page for creating a ne...
Page 94
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description direction the direction of this connection. Ethernet mtu the maximum size of units transmitted by the interface. Mac a mac address assigned to the interface. This parameter is mandatory...
Page 95
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface the miscellaneous section is displayed for all connection types except for bridge . Figure 70. The page for creating a new connection. The miscellaneous section. Parameter description miscellaneous enable ri...
Page 96
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface the ppp section is displayed for the pppoe connection type. Figure 71. The page for creating a new connection. The ppp section. Parameter description ppp username a username (login) to access the internet. W...
Page 97
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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) ...
Page 98
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description ip ip address displayed for the static ip type only. Enter an ip address for this wan connection. Netmask displayed for the static ip type only. Enter a subnet mask for this wan connect...
Page 99
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 3g modem menu and enter the pin code on t...
Page 100
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description mode the value of the field specifies the type of the network to which the router connects. Leave the auto value to let the router connect automatically to an available type of network,...
Page 101
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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. Wh...
Page 102
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface creating lte wan connection figure 75. The page for creating a new connection. The general settings and 3g modem sections. Parameter description general settings provider leave the manually value. Interface ...
Page 103
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 76. The page for creating a new connection. The ip and miscellaneous sections. Parameter description ip obtain dns server addresses automatically select the checkbox to configure automatic assignment ...
Page 104
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface lan to configure the router's local interface, proceed to the net / lan page. Figure 77. Basic settings of the local interface. If needed, edit the basic parameters of the local interface. Parameter descript...
Page 105
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description dns relay select the checkbox so that the devices connected to the router obtain the address of the router as the dns server address. Deselect the checkbox so that the devices connected...
Page 106: Wi-Fi
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface wi-fi in this menu you can specify all needed settings for your wireless network. Basic settings on the wi-fi / basic settings page, you can enable your wireless local area network (wlan) and configure its b...
Page 107
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description enable wireless the checkbox enables wi-fi connections. If you want to disable your wlan, deselect the checkbox. Bssid the parameter that uniquely identifies your wireless network. You ...
Page 108
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface security settings on the wi-fi / security settings page, you can modify security settings of the wlan. Figure 81. The default security settings. By default, the open network authentication type with no encry...
Page 109
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface the router supports the following authentication types: authentication type description open open authentication (with wep encryption for wireless network modes not supporting 802.11n devices). Shared shared...
Page 110
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface when the open or shared value is selected, the wep encryption settings section is displayed (the section is unavailable for the wireless network operating modes which support the standard 802.11n): figure 82...
Page 111
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description encryption key wep (1- 4) keys for wep encryption. The router uses the key selected from the default key id drop-down list. It is required to specify all the fields. When the wpa-psk , ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 th...
Page 113
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 85. The tab for adding a mac address. Click the add button and enter an address in the field displayed. Also you can enter the mac address of a device connected to the router's lan at the moment. To d...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface station list on the wi-fi / station list page, you can view the list of wireless clients connected to the router. Figure 86. The list of the wireless clients. If you want to disconnect a wireless device from...
Page 115
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 prot...
Page 116
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to activate the wps function, select the wps enable checkbox and click the apply button. When the checkbox is selected, the information and connection sections are available on the page. Parameter descriptio...
Page 117
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 apply button. 3. Select the ...
Page 118
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface later you will be able to add wireless devices to the wlan by pressing the wps/wlan button of the router. 1. Select the pbc method in the software of the wireless device that you want to connect to the route...
Page 119
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 8...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface the following fields are available on the page: parameter description beacon period the time interval (in milliseconds) between packets sent to synchronize the wireless network. Rts threshold the minimum siz...
Page 121: Advanced
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface advanced in this menu you can configure advanced settings of the router: • enable the upnp function • define interface groups • allow the router to connect to a private ethernet line • configure a ddns servi...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 in the router ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description comments information transmitted by a client's network application. Page 123 of 182.
Page 124
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface interface grouping on the advanced / interface grouping page, you can assign wan connections to the router's ports (create groups of interfaces), which allows distinguishing different types of traffic. This ...
Page 125
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 91. 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. Type of gro...
Page 126
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description ports in this section the lan ports of the router are displayed. Ports which cannot be added to the group are highlighted in red. To add a port to the group, click the icon correspondin...
Page 127
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface etherwan on the advanced / etherwan page, you can configure the router to connect to a private ethernet line. ! The ethernet wan function allows using any ethernet port of the router to access the internet v...
Page 128
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 93. The advanced / ddns page. To add a new ddns servi...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface dns on the advanced / dns page, you can add dns servers to the system. Figure 94. The advanced / dns page. Dns servers are used to determine the ip address from the name of a server in intranets or the inter...
Page 130
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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. F...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to edit an existing route, select a needed field in the relevant line of the table, change its value, and click the apply button. To remove an existing route, select the checkbox located to the left of the r...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 apply button. Figure 96...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 nee...
Page 134
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to edit a rule for remote access, select a needed field in the relevant line of the table, change its value, and click the apply button. To remove a rule for remote access, select the checkbox located to the...
Page 135
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface miscellaneous on the advanced / miscellaneous page, you can enable sip, rtsp, and the pppoe pass through function for the router. Sip is used for creating, modifying, and terminating communication sessions. ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to enable the pppoe pass through function, select the pppoe pass through checkbox and click the apply button. To disable the pppoe pass through function, deselect the pppoe pass through checkbox and click th...
Page 137: Firewall
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 mac filter. Ip filters on the firewall / ip filters pa...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 100. The page for adding a rule for ip filtering. You can specify the following parameters: parameter description general name a name for the rule for easier identification. Protocol a protocol for ne...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description source ip address the source host/subnet ip address. To choose a device connected to the router's lan at the moment, select the relevant ip address from the drop-down list (the field wi...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 101. The firewall ...
Page 141
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 102. The page for adding a virtual server. You can specify the following parameters: parameter description template select a virtual server template from the drop-down list, or select custom to specif...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description private ip the ip address of the server from the local area network. To choose a device connected to the router's lan at the moment, select the relevant value from the drop-down list (t...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 ro...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface mac filter on the firewall / mac filter page, you can configure mac-address-based filtering for computers of the router's lan. Figure 104. The firewall / mac filter page. To specify a new address for the mac...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to edit a rule for filtering, select a needed field in the relevant line of the table, change its value, and click the apply button. To remove a rule for filtering, select the checkbox located to the left of...
Page 146: 3G Modem
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 3g 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 3g modem menu (under ...
Page 147
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description imei the code stored in the memory of the usb modem. Signal level the signal level at the input of the modem's receiver. The zero signal level shows that you are out of the coverage are...
Page 148
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface pin on the 3g 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 n...
Page 149
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 107. The 3g modem / pin page. The changing pin code tab. Enter the current code in the pin code field, then enter a new code in new pin code and new pin code confirmation fields and click the apply bu...
Page 150: Usb Storage
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface usb storage this menu is designed to operate usb storages. Here you can do the following: • view data on the connected usb storage • view content of the connected usb storage • configure the router as a prin...
Page 151
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to disconnect one volume of the storage, select the needed value from the usb storage drop- down list and click the unmount volume button. Filebrowser on the usb storage / filebrowser page, you can view the ...
Page 152
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 u...
Page 153
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface samba on the usb storage / samba page, you can enable the built-in samba server of the router to provide access to the usb storage for users of your lan. Figure 111. The usb storage / samba page. You can ena...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface ftp on the usb storage / ftp page, you can enable the built-in ftp server of the router to provide access to the usb storage for users of your lan. Figure 112. The usb storage / ftp page. You can enable the ...
Page 155
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface dlna on the usb storage / dlna page , you can enable the built-in dlna server of the router to provide access to the usb storage for users of your lan. The built-in media server allows dlna certified devices...
Page 156
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to undo the last changes, click the reset button. After specifying the needed parameters, click the apply button. To remove a folder from the list, select the checkbox in the line containing the relevant fol...
Page 157: Transmission
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface transmission in this menu you can configure the built-in transmission torrent client and manage distributing and downloading processes. Transmission settings on the transmission / transmission settings page,...
Page 158
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description open files limit the maximum number of files which clients can download simultaneously. Peer limit the maximum number of the service users from which you can download files. Authorizati...
Page 159
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface web-interface page using the web-based interface of the built-in transmission torrent client you can manage the process of downloading files to the usb storage connected to the router. Figure 115. The web-ba...
Page 160: Control
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface control this menu is designed to create restrictions on access to certain web sites. Url filter on the control / url filter page, you can specify restrictions on access to certain web sites. Figure 116. The ...
Page 161
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 117. The control / url filter page. The url addresses tab. Click the add button and enter an address in the field displayed. Then click the apply button. To remove an address from the list of url addr...
Page 162: System
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface administrator password on the system / administrator password page, you can change the password for the administrator account used to access the web-based interface of the router and to access the device set...
Page 164
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 configu...
Page 165
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 120. The system / system log page. The configuration tab. To enabl...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface control description 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 apply button. To disable logging of the sy...
Page 167
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface firmware upgrade on the system / firmware upgrade page, you can upgrade the firmware of the router and configure the automatic check for updates of the router's firmware. ! Upgrade the firmware only when the...
Page 168
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface local update ! Attention! Do not turn off the router before the firmware upgrade is completed. This may cause the device breakdown. To update the firmware of the router locally, follow the next steps: 1. Dow...
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Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface remote update ! Attention! Do not turn off the router before the firmware upgrade is completed. This may cause the device breakdown. To update the firmware of the router remotely, follow the next steps: 1. O...
Page 170
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface ntp client on the system / ntp client page, you can manually set the time and date of the router or configure automatic synchronization of the system time with a time server on the internet. Figure 123. The ...
Page 171
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface ! When the router is powered off or rebooted, the system time is reset to the default value. If you have set automatic synchronization for the system time, the internal clock of the device will be configured...
Page 172
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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....
Page 173
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface telnet on the system / telnet page, you can enable or disable access to the device settings via telnet from your lan. By default, access is enabled. Figure 125. The system / telnet page. To disable access vi...
Page 174
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface users on the system / users page, you can create user accounts to provide access to data on the usb storage connected to the router. Figure 126. The system / users page. To create a new user account, click t...
Page 175
Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 127. The page for adding a user. On the opened page, in the login field, specify a username, and in the password and password confirmation fields – the password for the account. You can use letters of...
Page 176: Supported Usb Modems
Dsl-2750u wireless n adsl2+ usb modem router user manual operation guidelines chapter 5. Operation guidelines supported usb modems gsm modems • alcatel x500 • d-link dwm-152c1 • d-link dwm-156a6 • d-link dwm-156a7 • d-link dwm-156c1 • d-link dwm-157b1 • d-link dwm-157b1 (velcom) • d-link dwm-158d1 •...
Page 177
Dsl-2750u wireless n adsl2+ usb modem router user manual operation guidelines cdma modems 7 • airplus mcd-650 • airplus mcd-800 • anydata adu-300a • anydata adu-500a • anydata adu-510a • huawei ec306 • zte ac5710 • zte ac5730 lte modems • huawei e367 • huawei e392 • huawei e3276 (megafon М150-1) • m...
Page 178: Safety Instructions
Dsl-2750u wireless n adsl2+ usb modem router user manual operation guidelines safety instructions place your router on a flat horizontal surface or mount the router on the wall (the mounting holes are located on the back panel of the device). Make sure that the router is provided with sufficient ven...
Page 179
Dsl-2750u wireless n adsl2+ usb modem router user manual operation guidelines 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 th...
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Dsl-2750u wireless n adsl2+ usb modem router user manual abbreviations and acronyms chapter 6. Abbreviations and acronyms 3g third generation aes advanced encryption standard arp address resolution protocol bssid basic service set identifier cck complementary code keying cdma code division multiple ...
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Dsl-2750u wireless n adsl2+ usb modem router user manual abbreviations and acronyms lte long term evolution mac media access control mtu maximum transmission unit nat network address translation ntp network time protocol ofdm orthogonal frequency division multiplexing pbc push button configuration p...
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Dsl-2750u wireless n adsl2+ usb modem router user manual abbreviations and acronyms vpi virtual path identifier wan wide area network wep wired equivalent privacy wi-fi wireless fidelity wlan wireless local area network wpa wi-fi protected access wps wi-fi protected setup page 182 of 182.