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D-Link DSL-2750U User Manual - Before You Begin

Summary of DSL-2750U

  • Page 1

    User manual dsl-2750u wireless n adsl2+ usb modem router november 2013.

  • Page 2: Contents

    Dsl-2750u wireless n adsl2+ usb modem router user manual contents chapter 1. Introduction..........................................4 contents and audience.......................................................4 conventions.................................................................4 document st...

  • Page 3

    Dsl-2750u wireless n adsl2+ usb modem router user manual wi-fi.....................................................................104 basic settings..........................................................104 security settings.......................................................106 mac filter......

  • Page 4: 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 5: Chapter 2.  Overview

    Dsl-2750u wireless n adsl2+ usb modem router user manual overview 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 ad...

  • Page 6: 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: usb 2.0 type a port frequency range • 2412 ~ 24...

  • Page 7

    Dsl-2750u wireless n adsl2+ usb modem router user manual overview adsl standards • adsl ◦ multi-mode, ansi t1.413 issue 2, itu-t g.992.1 (g.Dmt) annex a, itu-t g.992.2 (g.Lite) annex a, itu-t g.994.1 (g.Hs) • adsl2 ◦ itu-t g.992.3 (g.Dmt.Bis) annex a/l/m, itu-t g.992.4 (g.Lite.Bis) annex a • adsl2+ ...

  • Page 8

    Dsl-2750u wireless n adsl2+ usb modem router user manual overview atm/ppp protocols • bridged and routed ethernet encapsulation • vc-based or llc-based multiplexing • atm forum uni3.1/4.0 pvc (up to 8 pvcs) • atm adaptation layer type 5 (aal5) • itu-t i.610 oam f4/f5 loopback • atm qos • ppp over at...

  • Page 9

    Dsl-2750u wireless n adsl2+ usb modem router user manual overview usb modem 2 • auto connection to available type of supported network (3g/2g) • enabling/disabling pin code check, changing pin code usb storage • smb-based access via accounts • file browser • print server configuration and management...

  • Page 10

    Dsl-2750u wireless n adsl2+ usb modem router user manual overview storage temperature • from -20 to 70 °c (from -4 to 158 °f) humidity • from 5% to 95% non-condensing page 10 of 174.

  • 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. Solid red the router is in the crash recovery mode. Dsl solid green dsl ha...

  • Page 12

    Dsl-2750u wireless n adsl2+ usb modem router user manual overview led mode description wlan solid green the router's wlan is on. Blinking green the wlan interface is active (upstream or downstream traffic). Lan 1-4 solid green a device is connected to the port of the router (for the lan port configu...

  • Page 13

    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...

  • Page 14

    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: • 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 install...

  • 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...

  • Page 17: 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 18

    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 19

    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 19 of 174.

  • Page 20

    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 ...

  • Page 21

    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...

  • Page 22

    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 22 of 174.

  • Page 23

    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 23 of 174.

  • Page 24

    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. ...

  • Page 25

    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 ...

  • Page 26

    Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection pc with wi-fi adapter 1. To connect via 3g network: connect your usb modem to the usb port 5 located on the left side panel of the router. ! If you need to connect or change a usb modem to another one when the route...

  • Page 27

    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...

  • Page 28

    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...

  • Page 29

    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...

  • Page 30

    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...

  • Page 31

    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 18. The quick settings page. The web-based interface of the router is multilingual. Select a needed language...

  • Page 32

    Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection after selecting the language, the notification on unsaved changes will be displayed. Click the save icon ( ) to save the current language of the web-based interface as the default language. The quick settings page d...

  • Page 33

    Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection figure 20. 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 76). The pages of the net sectio...

  • Page 34

    Dsl-2750u wireless n adsl2+ usb modem router user manual installation and connection the pages of the system section provide functions for managing the internal system of the router (for the description of the pages, see the system section, page 158). Also you can find a specific page via search. To...

  • Page 35

    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 23. The top-page menu. Click the reboot line if you have already saved the router's settin...

  • Page 36: 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 24. Configuring a wan connection. Connect a phone cable...

  • Page 37

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 25. 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 38

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 26. 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 27. The page for selecting a port or interface. On th...

  • Page 39

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface creating wan connection pppoe or pppoa connection figure 28. Configuring pppoe wan connection. In the connection name field, specify a name for the connection for easier identification. For adsl wan connecti...

  • Page 40

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 29. 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 41

    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 42

    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 ethernet section. Parameter description ethernet mtu the maximum size of units transmitted by the interface. Mac a mac address assig...

  • Page 43

    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 ppp section. Parameter description ppp username a username (login) to access the internet. Without authorization select the checkbox...

  • Page 44

    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 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 miscellaneous and vlan sections. Parameter description miscellaneous enable rip select the checkbox to allow using rip for this conn...

  • Page 46

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description vlan priority a priority tag for the type of traffic transmitted. The field is displayed when the use vlan checkbox is selected. Click the next button to continue. After that the page d...

  • Page 47

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface ipoa or static ip connection figure 33. 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 48

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 34. 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...

  • Page 49

    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 50

    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 ethernet section. Parameter description ethernet mtu the maximum size of units transmitted by the interface. Mac a mac address a...

  • 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 miscellaneous and vlan sections. Parameter description miscellaneous enable rip select the checkbox to allow using rip for this ...

  • Page 52

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description vlan priority a priority tag for the type of traffic transmitted. The field is displayed when the use vlan checkbox is selected. Click the next button to continue. After that the page d...

  • Page 53

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface dynamic ip connection figure 37. 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 54

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 38. 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 55

    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 56

    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 ethernet section. Parameter description ethernet mtu the maximum size of units transmitted by the interface. Mac a mac address ...

  • 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 miscellaneous and vlan sections. Parameter description miscellaneous enable rip select the checkbox to allow using rip for this...

  • Page 58

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description vlan priority a priority tag for the type of traffic transmitted. The field is displayed when the use vlan checkbox is selected. Click the next button to continue. After that the page d...

  • Page 59

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface bridge connection figure 41. 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 60

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 42. 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 61

    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 62

    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 ethernet section. Parameter description ethernet mtu the maximum size of units transmitted by the interface. Mac a mac address assi...

  • Page 63

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 3g connection figure 44. 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 64

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 45. 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 65

    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 66

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface after that the page displaying all specified settings opens. Click the apply button to create the connection or the back button to specify other settings. After clicking the apply button, the page for checki...

  • Page 67

    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 47. Checking the internet availability. In the result section, the status of the wan connection and possi...

  • Page 68

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface configuring wireless connection figure 48. 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 69

    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 49. Page for changing the name of the wireless lan . Click the next button to continue. Pag...

  • Page 70

    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 71

    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 51. The page for selecting the operating mod...

  • Page 72

    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 73

    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 74

    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 75

    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 76: 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 • active wan connections • ip addresses leased by the dhcp server • the routing ...

  • Page 77

    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 56. The status / dsl status page. Page 77 of 174.

  • Page 78

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface wan status the status / wan status page displays active wan connections. Figure 57. The status / wan status page. Page 78 of 174.

  • Page 79

    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 80

    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 59. The status / routing table pa...

  • Page 81

    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 60. The status / clients page. For each device the followi...

  • Page 82: 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 83

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface creating adsl wan connection figure 62. 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 84

    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 85

    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 highe...

  • Page 86

    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 87

    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 65. The page for creating a new connection. The ppp section. Parameter description ppp username a username (login) to access the ...

  • Page 88

    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 89

    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 90

    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 interface grouping section, page 121). Figure 67. The page for cre...

  • Page 91

    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 92

    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 68. The page for creating a new connection. The miscellaneous section. Parameter description miscellaneous enable rip...

  • Page 93

    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 69. The page for creating a new connection. The ppp section. Parameter description ppp username a username (login) to access the internet. W...

  • Page 94

    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 95

    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 96

    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 usb modem menu and enter the pin code on ...

  • Page 97

    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 98

    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 99

    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 73. Basic settings of the local interface. If needed, edit the basic parameters of the local interface. Parameter descript...

  • Page 100

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface in the dhcp server section, you can configure the built-in dhcp server of the router. The built-in dhcp server automatically assigns ip addresses to computers of the main local subnet (you need to specify ip...

  • Page 101

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface when all needed settings are configured, click the save button. In the static dhcp section, you can specify mac address and ip address pairs (set a fixed ip address in the local area network for a device wit...

  • Page 102

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 back...

  • Page 103

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description connection quality level the minimum quality of the main connection when the router considers the connection as active. Possible values are from 0 to 255. By default, the value 32 is sp...

  • Page 104: 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 105

    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. Hide access point if the checkbox is selected, other users cannot see yo...

  • Page 106

    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 79. The default security settings. By default, the open network authentication type with no encry...

  • Page 107

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface when the open value is selected, the wep encryption settings section is displayed: figure 80. The open value is selected from the network authentication drop-down list. Parameter description enable encryptio...

  • Page 108

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface when the wpa-psk or wpa2-psk value is selected, the wpa encryption settings section is displayed: figure 81. The wpa2-psk value is selected from the network authentication drop-down list. Parameter descripti...

  • Page 109

    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 110

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 83. 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...

  • Page 111

    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 84. The list of the router's wireless clients. To view the latest data on the devices ...

  • Page 112

    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 113

    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 change button. When the checkbox is selected, the information and connection sections are available on the page. Parameter descripti...

  • Page 114

    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 change button. 3. Select the...

  • Page 115

    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 116

    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...

  • Page 117

    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 118: 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 and configure the snmp agent • enable the upnp function • define interface groups and allow the router to connect to a privat...

  • Page 119

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 87. The advance...

  • Page 120

    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 performs autom...

  • Page 121

    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 virtual pvc connections to the router's ports (create groups of interfaces), which allows distinguishing different types of traffi...

  • Page 122

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to change the operating parameters of a lan port of the router, place the mouse pointer on the relevant lan port and click the setup speed and stream line in the menu displayed (the line is not available if ...

  • Page 123

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to enable the ethernet wan function, follow the steps below. 1. Place the mouse pointer on the router's lan port that will be used as the wan port and click the make wan line in the menu displayed. 2. On the...

  • Page 124

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface you can specify the following parameters: parameter description name a name for the group for easier identification. You can specify any name. Lans the list of available internal interfaces is displayed in t...

  • Page 125

    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 92. The advanced / ddns page. To add a new ddns servi...

  • Page 126

    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 93. 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 127

    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...

  • Page 128

    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 save button. To remove an existing route, select the checkbox located to the left of the re...

  • Page 129

    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 change button. Figure 9...

  • Page 130

    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 131

    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 save button. To remove a rule for remote access, select the checkbox located to the ...

  • Page 132

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface tr-069 client on the advanced / tr-069 client page, you can configure the router for communication with a remote auto configuration server (acs). The tr-069 client is used for remote monitoring and managemen...

  • Page 133

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface user name the username to connect to the acs. The username can contain digits, latin letters (uppercase and/or lowercase), and characters available on the keyboard. Password the password to connect to the ac...

  • Page 134: 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 port triggering function • configure the mac filter. I...

  • Page 135

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 99. 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 net...

  • Page 136

    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...

  • Page 137

    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 100. The firewall ...

  • Page 138

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 101. 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...

  • Page 139

    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...

  • Page 140

    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...

  • Page 141

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface application rules on the firewall / application rules page, you can define rules for the port triggering function. Figure 103. The firewall / application rules page. To add a new rule for the port triggering...

  • Page 142

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface parameter description outgoing a protocol to which this rule will be applied upon transferring data from the specified port range. After specifying the needed parameters, click the save button. To edit an ex...

  • Page 143

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface mac filter the mac-address-based filtering allows blocking traffic subject to the source and destination mac addresses. ! Mac-address-based filtering is active only when the device is configured as a transpa...

  • Page 144

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface after specifying the needed parameters, click the save button. To edit a rule for filtering, select a needed field in the relevant line of the table, change its value, and click the save button. To remove a ...

  • Page 145: Usb Modem

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 (unde...

  • Page 146

    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 147

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface to change the pin code, enable the pin code check, 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 enter button. If upon...

  • Page 148: 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 149

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 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 109. The usb storage...

  • Page 150

    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 151

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface samba on the usb storage / samba page, you can create accounts used to access the usb storage connected to the router. Figure 111. The usb storage / samba page. To create a new account, click the add button....

  • Page 152

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 112. 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. ! You cannot create acc...

  • Page 153: 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 the internet for users of your lan: forbid access for specified computers and limit access to certain web sites. Parent control on the contro...

  • Page 154

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 114. The page for adding a new parental control rule. You can specify the following parameters: parameter description parent control editing on select the checkbox to enable the rule. Name a name for ...

  • Page 155

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface click the change button. To edit an existing rule, select the relevant rule in the table. On the opened page, change the needed parameters and click the change button. To delete an existing rule, select the ...

  • Page 156

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface url filter on the control / url filter page, you can specify restrictions on access to certain web sites. Figure 115. The control / url filter page. The configuration tab. To enable the url filter, select th...

  • Page 157

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface figure 116. The control / url filter page. The url addresses tab. Click the add button and enter a url address in the url address field, specify a port (as usual, you need to specify port 80 for http), then ...

  • Page 158: 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...

  • Page 159

    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 via...

  • Page 160

    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 161

    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 119. The system / system log page. The configuration tab. To enabl...

  • Page 162

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface control description remote logging level select a type of messages and alerts/notifications to be sent to the remote host specified in the server field. The field is available, when the remote or local and r...

  • Page 163

    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. ! Upgrade the firmware only when the router is connected to your pc via a wired connection. Figure 121. The...

  • Page 164

    Dsl-2750u wireless n adsl2+ usb modem router user manual configuring via web-based interface 6. Select the factory line in the top-page menu displayed when the mouse pointer is over the system caption. 7. Wait until the router is rebooted. Log into the web-based interface, using the default ip addre...

  • Page 165

    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 122. The ...

  • Page 166

    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 167: Supported Usb Modems

    Dsl-2750u wireless n adsl2+ usb modem router user manual operation guidelines chapter 5. Operation guidelines supported usb modems gsm modems: • huawei e171 • zte mf192 • zte mf626 • zte mf652 cdma modems 7 : • airplus mcd-650 • airplus mcd-800 • zte ac5730 ! The manufacturer does not guarantee prop...

  • Page 168: 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 169

    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...

  • Page 170

    Dsl-2750u wireless n adsl2+ usb modem router user manual operation guidelines 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 value...

  • Page 171

    Dsl-2750u wireless n adsl2+ usb modem router user manual operation guidelines 11. Go to the advanced / interface grouping page. 12. Create a group containing the wan connection of the bridge type and the lan 2 port. 13. Create another group containing the wan connection of the dynamic ip type, the l...

  • Page 172

    Dsl-2750u wireless n adsl2+ usb modem router user manual operation guidelines 13. In the vlan section, select the allow to create several connections assigned to this port checkbox. 14. Click the save button. Figure 126. Two wan connections for one physical interface. 15. Go to the advanced / interf...

  • Page 173

    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 cdma code division multiple access crc cyclic redundancy c...

  • Page 174

    Dsl-2750u wireless n adsl2+ usb modem router user manual abbreviations and acronyms 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 ...