DSL-2750U/DSL-2750B User manual DSL-2750U/ DSL-2750B/ DSL-2751U/ DSL-2751B User Manual
DSL-2750U/DSL-2750B User manual Contents 1 Introduction ........................................................................................................ 1 1.1 Packing List ................................................................................................. 1 1.2 Safety Precautions................................................................................ 1 1.3 LEDs and Interfaces..............................................................................2 1.
DSL-2750U/DSL-2750B User manual 1 Introduction The DSL-2750U/ DSL-2750B/ DSL-2751U/ DSL-2751B is a highly integrated ADSL2/2+ Integrated Access Device, which is an advanced gateways incorporating Ethernet Switch and Wireless home networking Access Point ,complied with the IEEE802.11b/g /n standards. It is usually prefered to provide high access performance applications for the individual users,the SOHO,the small enterprise and so on. 1.
DSL-2750U/DSL-2750B User manual designed for heat dissipation to ensure that the device works normally. Do not cover these heat dissipation holes. Do not put this device close to a place where a heat source exists or high temperature occurs. Avoid the device from direct sunshine. Do not put this device close to a place where it is over damp or watery. Do not spill any fluid on this device.
DSL-2750U/DSL-2750B User manual LED Color Red WPS (on the side panel) Rear Panel Green Status Description On IP is connected and no traffic is detected. On The device attempted an IP connection, but failed. Blinks WPS negotiation is enabled, waiting for clients. Off Device is ready for new WPS to setup.
DSL-2750U/DSL-2750B User manual Figure 2 Rear panel The following table describes the interface of the device. Interface/Button Description DSL RJ-11 interface that connects to the telephone set through the telephone cable. LAN4/3/2/1 Ethernet RJ-45 interfaces that connect to the Ethernet interfaces of computers or Ethernet devices. USB USB port, for connecting the 3G network card or other USB storage devices. WLAN Button to enable or disable WLAN. Reset to the factory defaults.
DSL-2750U/DSL-2750B User manual Internet Explorer V5.0 or higher, Netscape V4.0 or higher, or Firefox 1.5 or higher 4 1.
DSL-2750U/DSL-2750B User manual 2 Hardware Installation Step 1 Connect the DSL port of the device and the Modem port of the splitter with a telephone cable. Connect the phone to the Phone port of the splitter through a telephone cable. Connect the incoming line to the Line port of the splitter. The splitter has three ports: Line: Connect to a wall phone port (RJ-11 jack). Modem: Connect to the DSL port of the device. Phone: Connectto a telephone set.
DSL-2750U/DSL-2750B User manual Figure 3 Connection diagram (without telephone sets before the splitter) Connection 2: Figure 4 displays the application diagram for the connection of the device, PC, splitter and telephone sets when a telephone set is placed before the splitter.As illustrated in the following figure, the splitter is installed close to the device. Figure 4 Connection diagram (with a telephone set before the splitter) Connection 1 is recom- mended.
DSL-2750U/DSL-2750B User manual This chapter describes how to configure the device by using the Web-based configuration utility. 3.1 Access the Device The following is the detailed description of accesing the device for the first time. Step 4 Open the Internet Explorer (IE) browser and enter http://192.168.1.1. Step 5 The Login page shown in the following figure appears. Enter the user name and password. The user name and password of the super user are admin and admin.
DSL-2750U/DSL-2750B User manual 3.2 Setup 3.2.1 Wizard Wizard enables fast and accurate configuration of Internet connection and other important parameters. The following sections describe these various configuration parameters. When subscribing to a broadband service, you should be aware of the method, by which you are connected to the Internet. Your physical WAN device can be Ethernet, DSL, or both.
DSL-2750U/DSL-2750B User manual Step 2 Click Setup Wizard. The page shown in the following figure appears. 10 Step 3 There are four steps to configure the device. Click Next to continue.Step 4 Change Device Login Password.The default password is "admin", in order to secure your network, please modify the password. Note: Confirm Password must be the same as "New Password". Of course, you can click Skip to ignore the step.
DSL-2750U/DSL-2750B User manual Step 5 Set the time and date. Step 6Configure the Internet connection. Select the country and ISP. Set the VPI and VCI. If you fail to find the country and ISP from the drop-down lists, select Others. Click Next. If the Protocol is PPPoE or PPPoA, the page shown in either of the two following figures appears.
DSL-2750U/DSL-2750B User manual In this page, enter the user name and password. If the Protocol is Dynamic IP, the page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual If the Protocol is Bridge, the page shown in the following figure appears. If the Protocol is Static IP, the page shown in the following figure appears. Enter the IP Address, Subnet Mask, Default Gateway, and Primary DNS Server. Click Next. The page shown in the following page appears.
DSL-2750U/DSL-2750B User manual Step 7Configure the wireless network. Enter the information and click Next. Step 8Completed And Apply. Click Apply to apply current settings and finished the setup of the DSL-2750U/ DSL-2750B/ DSL-2751U/ DSL-2751B router.Click Back to review or modify settings.
DSL-2750U/DSL-2750B User manual Note: In each step of the Wizard page, you can click Back to review ormodify the previous settings. Click Cancel to exit the wizard page. 3.2.2 Internet Setup Choose Setup > Internet Setup. The page shown in the following figure appears. In this page, you can configure the WAN interface of the device.
DSL-2750U/DSL-2750B User manual Click Add in “INTERNET SETUP”. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual
DSL-2750U/DSL-2750B User manual Click Next, the page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual If you select the PPP over Ethernet (PPPoE) as the connection protocol, the following page appears.
DSL-2750U/DSL-2750B User manual
DSL-2750U/DSL-2750B User manual PPP Username: The correct user name that your ISP provides to you. PPP Password: The correct password that your ISP provides to you. Authentication Method: The value can be AUTO, PAP, CHAP, or MSCHAP. Usually, you can select AUTO. Dial on demand (with idle timeout timer): If this function is enabled, you need to enter the idle timeout time.
DSL-2750U/DSL-2750B User manual
DSL-2750U/DSL-2750B User manual Obtain an IP address automatically: The modem obtains a WAN IP address automatically and at this time it enables DHCP client functions. The WAN IP address is obtained from the uplink equipment like BAS and the uplink equipment is required to enable the DHCP server functions. Use the following IP address: If you want to manually enter the WAN IP address, select this check box and enter the information in the field.
DSL-2750U/DSL-2750B User manual 3.2.3 Wireless Connection This section includes the wireless connection setup wizard and WPS setup wizard. There are two ways to setup your wireless connection. You can use the Wireless Connection Setup Wizard or you can manually configure the connection. Choose Setup > Wireless Connection. The Wireless Connection page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual 3.2.3.1 Wireless Wizard In Wireless Connection page, Click “Wireless Connection Setup Wizard”, the page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual If you only select “Manually assign a network key”, click “Next”, the page shown in the following figure appears. After you enter the network key, the page shown in the following figure appears, you can confirm the wireless settings in this page.
DSL-2750U/DSL-2750B User manual Click Save to save the settings. 3.2.3.2 Wireless Device Add In Wireless Connection page, Click Add Wireless Device with WPS, the page shown in the following figure appears. Select Auto, click Next, the page shown in the following figure appears. When PIN is used, users are only allowed to enter no more than eight digits in thefield. Select Manual, click Next, the page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual It displays the current wireless settings and you can manually enter the settings in the wireless device that’s to be added in the wireless network. 3.2.3.3 Manual Wireless Setup If you want to configure the Internet settings of you new D-Link Router manually, click Manual Wireless Connection Setup. It will redirect to 3.3.1 Wireless Settings. 3.2.3.4 Wireless WPS In Wireless Connection page, Click Reset to Unconfigured, the page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual of the device. The IP address available in the DHCP IP address pool changesautomatically if you change the IP address of the device. You can also enable the secondary LAN IP address. The two LAN IP addresses must be in different networks. Choose Setup > Local Network. The Local Network page shown in thefollowing figure appears. By default, Enable DHCP Server is selected for the Ethernet LAN interface of the device.
DSL-2750U/DSL-2750B User manual Click Apply to save the settings. In the Local Network page, you can assign IP addresses on the LAN to specificindividual computers based on their MAC addresses. Click Add to add static DHCP (optional). The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual Select Enable to reserve the IP address for the designated PC with the configured MAC address. The Computer Name helps you to recognize the PC with the MAC address. For example, Father’s Laptop. Click Apply to save the settings. After the DHCP reservation is saved, the DHCP reservations list displays theconfiguration. If the DHCP reservations list table is not empty, you can select one or more itemsand click Edit or Delete. 3.2.5 Time and Date Choose Setup > Time and Date.
DSL-2750U/DSL-2750B User manual In the Time and Date page, you can configure, update, and maintain the correct time on the internal system clock. You can set the time zone that you are in andthe network time protocol (NTP) server. You can also configure daylight saving toautomatically adjust the time when needed. Select Automatically synchronize with Internet time servers. Select the specific time server and the time zone from the corresponding drop-down lists. Select Enable Daylight Saving if necessary.
DSL-2750U/DSL-2750B User manual Note: The country selection mode is for non-US modes only and is not available to the US mode 3.2.6 3G Internet Setup Choose Advanced Setup > 3G Internet Setup , and the following page appears. This page is used to configure the 3G connection. If you want to access the Internet through a 3G connection, a 3G network card is required. Connect the 3G network card to the USB interface of the Router.
DSL-2750U/DSL-2750B User manual Default settings for Username, Password, Authentication method, APN, and Dial Number are to be set. In this page, you are allowed to configure the settings of the 3G USB modem. Enable USB Modem: If you want to access the Internet through the 3G network card, you must enable the USB modem. User Name: Username provided by your 3G ISP. Password: Password provided by your 3G ISP. Authentication Method: Select a proper authentication method from the dropdown list.
DSL-2750U/DSL-2750B User manual 34 3.2.7 Logout Choose Setup > Logout. The page shown in the following figure appears. In this page, you can log out of the configuration page. 3.3 Advanced This section includes advanced features used for network management, security and administrative tools to manage the device. You can view status and other information that are used to examine performance and troubleshoot. 3.3.1 Wireless Settings This function is used to modify the standard 802.
DSL-2750U/DSL-2750B User manual Enable Wireless: Select this to turn Wi-Fi on and off. Wireless Network Name (SSID): The Wireless Network Name is a unique name that identifies a network. All devices on a network must share the same wireless network name in order to communicate on the network. If you decide to change the wireless network name from the default setting, enter your new wireless network name in this field. Visibility Status: You can select Visible or Invisible.
DSL-2750U/DSL-2750B User manual
DSL-2750U/DSL-2750B User manual
DSL-2750U/DSL-2750B User manual Band: Select using wireless frequency band range. The radio frequency remains at 2.4GHz. Channel: Enter the appropriate channel to correspond with your network settings. All devices in your wireless network must use the same channel in order to work correctly. This router supports auto channeling functionality. Auto Channel Timer(min): Specifies the timer of auto channelling. 802.11n/EWC: Select disable or Auto.
DSL-2750U/DSL-2750B User manual 802.11n Protection: The 802.11n standards provide a protection method ,so 802.11b/g and 802.11n devices can co-exist in the same network without “speaking” at the same time. Support 802.11n Client Only: Only stations that are onfigured in 802.11n mode can associate. Multicast Rate: Select the multicast transmission rate for the network. The rate of data transmission should be set depending on the speed of your wireless network.
DSL-2750U/DSL-2750B User manual DTIM Interval: (Delivery Traffic Indication Message) Enter a value between 1 and 255 for the Delivery Traffic Indication Message (DTIM.) A DTIM is a countdown informing clients of the next window for listening to broadcast and multicast messages. Beacon Interval: A beacon is a packet of information that is sent from a connected device to all other devices where it announces its availability and readiness.
DSL-2750U/DSL-2750B User manual Wireless Network Name (SSID): The Wireless Network Name is a unique name that identifies a network. All devices on a network must share the same wireless network name in order to communicate on the network. If you decide to change the wireless network name from the default setting, enter your new wireless network name in this field. Visibility Status: You can select Visible or Invisible.
DSL-2750U/DSL-2750B User manual Click Add, the page shown in the following figure appears. 3.3.1.4 Security Settings In the Wireless Settings page, click Security Settings. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual Select the SSID that you want to configure from the drop-down list. Select the encryption type from the Security Mode drop-down list.You can selectNone, WEP, WPA-Personal and WPA-Enterprise. If you select WEP, the page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual WEP (Wireless Encryption Protocol) encryption can be enabled for securityand privacy. WEP encrypts the data portion of each frame transmitted from thewireless adapter using one of the predefined keys.The router offers 64 or 128 bit encryption with four keys available. Select Encryption Strength from the drop-down menu. (128 bit is stronger than 64 bit) Enter the key into the Network Key field 1~4. (Key length is outlined at the bottomof the window.
DSL-2750U/DSL-2750B User manual WPA only(WPA-PSK) configuration is similar to WEP. The key length is between 8 to 63 ASCII characters or 64 hexadecimal digits. If you select WPA-Enterprise, the page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual You can only use WPA-enterprise if you have set up RADIUS server. This is the WPA/WPA2 authentication with RADIUS server instead of pre-shared key. 3.3.2 Port Forwarding This function is used to open ports in your device and re-direct data through those ports to a single PC on your network (WAN-to-LAN traffic). It allows remote users to access services on your LAN, such as FTP for file transfers or SMTP and POP3 for e-mail.
DSL-2750U/DSL-2750B User manual Click Add to add a virtual server.
DSL-2750U/DSL-2750B User manual Select a service for a preset application, or enter a name in the Custom Serverfield. Enter an IP address in the Server IP Address field, to appoint the correspondingPC to receive forwarded packets. The Ports show the ports that you want to open on the device. The TCP/UDPmeans the protocol type of the opened ports.
DSL-2750U/DSL-2750B User manual Click Apply to save the settings. The page shown in the following figure appears. A virtual server is added. 3.3.3 Port Triggering Some applications require that specific ports in the firewall of the device are open for the remote parties to access. Application rules dynamically open the firewall ports when an application on the LAN initiates a TCP/UDP connection to a remote party using the trigger ports.
DSL-2750U/DSL-2750B User manual Click Add to add a new Port Trigger.
DSL-2750U/DSL-2750B User manual Click the Select an application drop-down menu to choose the application you want to setup for port triggering. When you have chosen an application the default Trigger settings will populate the table below. If the application you want to setup isn’t listed, click the Custom application radio button and type in a name for the trigger in the Custom application field.
DSL-2750U/DSL-2750B User manual 3.3.4 DMZ Since some applications are not compatible with NAT, the device supports the use of a DMZ IP address for a single host on the LAN. This IP address is not protected by NAT and it is visible to agents on the Internet with the correct type of software. Note that any client PC in the DMZ is exposed to various types of security risks.
DSL-2750U/DSL-2750B User manual This page provides two useful tools for restricting the Internet access. Block Websites allows you to quickly create a list of all websites that you wish to stop users from accessing. Block MAC Address allows you to control when clients or PCs connected to the device are allowed to access the Internet. 3.3.5.1 Block Website In the Parent Control page, click Block Website. The page shown in the following figure appears. Click Add.
DSL-2750U/DSL-2750B User manual Enter the website in the URL field. Select the Schedule from drop-down list, or select Manual Schedule and select the corresponding time and days. Click Apply to add the website to the BLOCK WEBSITE table.The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual 3.3.5.2 Block MAC Address In the Parent Control page, click Block MAC Address. The page shown in the following figure appears. Click Add. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual Enter the use name and MAC address and select the corresponding time and days. Click Apply to add the MAC address to the BLOCK MAC ADDRESS table. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual 3.3.6 Filtering Options Choose ADVANCED > Filtering Options. The Filtering Options page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual 3.3.6.1 Inbound IP Filtering In the Filtering Options page, click Inbound IP Filtering. The page shown in the following figure appears. Click Add to add an inbound IP filter. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual
DSL-2750U/DSL-2750B User manual Enter the Filter Name and specify at least one of the following criteria: protocol, source/destination IP address, subnet mask, and source/destination port. Click Apply to save the settings. Note: The settings only apply when the firewall is enabled. The ACTIVE INBOUND FILTER shows detailed information about each created inbound IP filter.
DSL-2750U/DSL-2750B User manual 3.3.6.2 Outbound IP Filtering By default, all outgoing IP traffic from the LAN is allowed. The outbound filter allows you to create a filter rule to block outgoing IP traffic by specifying a filter name and at least one condition. In the Filtering Options page, click Outbound IP Filtering. The page shown in the following figure appears. Click Add to add an outbound IP filter. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual Enter the Filter Name and specify at least one of the following criteria: protocol,source/destination IP address, subnet mask, and source/destination port. Click Apply to save the settings. The ACTIVE OUTBOUND IP FILTER shows detailed information about each created outbound IP filter.. 3.3.6.3 Bridge Filtering In the Filtering Options page, click Bridge Filtering. The page shown in the following figure appears.This page is used to configure bridge parameters.
DSL-2750U/DSL-2750B User manual Click Add to add a bridge filter. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual Click Apply to save the settings. 3.3.7 DNS Domain name system (DNS) is an Internet service that translates domain names into IP addresses. Because domain names are alphabetic, they are easier to remember. The Internet, however, is actually based on IP addresses. Each time you use a domain name, a DNS service must translate the name into the corresponding IP address. For example, the domain name www.example.com might be translated to 198.105.232.4.
DSL-2750U/DSL-2750B User manual DNS SERVER CONFIGURATION If you are using the device for DHCP service on the LAN or if you are using DNS servers on the ISP network, select Obtain DNS Info from a WAN interface. If you have DNS IP addresses provided by your ISP, enter these IP addresses in the available entry fields for the preferred DNS server and the alternate DNS server. Click Apply to save the settings. 3.3.8 Dynamic DNS The device supports dynamic domain name service (DDNS).
DSL-2750U/DSL-2750B User manual Click Add to add dynamic DNS. The page shown in the following figure appears. DDNS provider: Select one of the DDNS registration organizations from the down-list drop. Host Name: Enter the host name that you registered with your DDNS service provider. Interface: Select the interface you want to use. Username: Enter the user name for your DDNS account. Password: Enter the password for your DDNS account. Click Apply to save the settings.
DSL-2750U/DSL-2750B User manual 3.3.9 Storage Service Choose ADVANCED > Storage Service. The Storage Service page shown in the following figure appears. 3.3.9.1 Storage Device Info In the Storage Service page, click Storage Device Info. The page shown in the following figure appears. When you insert USB storage, this page will show the information of USB storage, such as file system, total space and used space. 3.3.9.2 User Accounts In the Storage Service page, click User Accounts.
DSL-2750U/DSL-2750B User manual Confirm Password:user’s password volumeName:the directory you want to share 3.3.10 Multicast Choose ADVANCED > Multicast. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual Last Member Query Interval (1/10s): The last member query interval is the amount of time in seconds that the IGMP router waits to receive a response to a Group-Specific Query message. The last member queryinterval is also the amount of time in seconds between successive Group-Specific Query messages. Robustness Value: The robustness variable is a way of indicating howsusceptible the subnet is to lost packets.
DSL-2750U/DSL-2750B User manual
DSL-2750U/DSL-2750B User manual 3.3.11.1 Port Mapping Choose ADVANCED > Network Tools and click Port Mapping. The page shown in the following figure appears. In this page, you can bind the WAN interface and the LAN interface to the same group.
DSL-2750U/DSL-2750B User manual Click Add to add port mapping. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual
DSL-2750U/DSL-2750B User manual The procedure for creating a mapping group is as follows: Step 1 Step 2 Step 3 Step 4 Step 5 Enter the group name. Select the WAN interface for your new group. Select LAN interfaces from the Available Interface list and click the arrow button to add them to the grouped interface list, in order to create the required mapping of the ports. The group name must be unique. Enter the option information of DHCP vendor IDs. Click Apply to save the settings. 3.3.11.
DSL-2750U/DSL-2750B User manual In this page, you can enable/disable the QoS. Click Save/Apply to take the setting effect. 3.3.11.4 Queue Config Choose ADVANCED > Network Tools and click Queue Config. The page shown in the following figure appears. Click Add. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual Click Save/Apply to save the settings.
DSL-2750U/DSL-2750B User manual 3.3.11.5 QoS Classification Choose ADVANCED > Network Tools, and click QoS Classification, the page shown in the following figure appears.This page allows you to config various classification. Click Add. The page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual 3.3.11.6 UPnP Choose ADVANCED > Network Tools and click UPnP. The page shown in the following figure appears. In this page, you can configure universal plug and play (UPnP). The system acts as a daemon after you enable UPnP. UPnP is used for popular audio visual software. It allows automatic discovery of your device in the network. If you are concerned about UPnP security, you can disable it.
DSL-2750U/DSL-2750B User manual In this page, you can select the DSL modulation. Normally, you can keep the factory default setting. The device negotiates the modulation mode with DSLAM. Click Apply to save the settings.
DSL-2750U/DSL-2750B User manual 3.3.11.8 SNMP Choose ADVANCED > Network Tools and click SNMP. The page shown in the following figure appears. In this page, you can set SNMP parameters. Click Apply to save the settings. 3.3.11.9 TR-069 Choose ADVANCED > Network Tools and click TR069. The page shown in the following figure appears. In this page, you can configure the TR069 CPE.
DSL-2750U/DSL-2750B User manual 3.3.11.10 Certificates Choose ADVANCED > Network Tools and click Certificates. The Certificates page shown in the following figure appears. In this page, you can configure local certificate and trusted certificate. 3.3.12 Routing Choose ADVANCED > Routing. The page shown in the following page appears.
DSL-2750U/DSL-2750B User manual 3.3.12.1 Static Route Choose ADVANCED > Routing and click Static Route. The page shown in the following figure appears. This page is used to configure the routing information. In this page, you can add or delete IP routes. Click Add to add a static route. The page shown in the following figure appears. Destination Network Address: The destination IP address of the router. Subnet Mask: The subnet mask of the destination IP address.
DSL-2750U/DSL-2750B User manual 3.3.12.3 Policy Routing Choose ADVANCED > Routing and click policy Routing. The page shown in the following figure appears. The policy route binds one WAN connection and one LAN interface. Click Add, the page shown in the following figure appears. 3.3.13 RIP Choose ADVANCED > Routing and click RIP. The page shown in the following figure appears. This page is used to select the interfaces on your device that use RIP and the version of the protocol used.
DSL-2750U/DSL-2750B User manual 3.3.14 MultiNat Network address translation (NAT) is the process of modifying network address information in IP packet headers while in transit across a traffic routing device for the purpose of remapping a given address space into another.
DSL-2750U/DSL-2750B User manual Click Apply to save the settings. 3.3.16 Logout Choose ADVANCED > Logout. The page shown in the following figure appears. In this page, you can log out of the configuration page. 3.4 Maintenance 3.4.1 System Choose MAINTENANCE > System. The System page shown in the following figure appears. In this page, you can reboot device, back up the current settings to a file, restore the settings from the file saved previously, and restore the factory defaultsettings.
DSL-2750U/DSL-2750B User manual Update Settings to begin restoring the device configuration.. Restore Default Settings: Reset the device to default settings. Notice: Do not turn off your device or press the Reset button while an operation in this page is in progress. 3.4.2 Firmware Update Choose MAINTENANCE > Firmware Update. The page shown in the following figure appears. In this page, you can upgrade the firmware of the device.
DSL-2750U/DSL-2750B User manual You should change the default password to secure your network. Ensure that you remember the new password or write it down and keep it in a safe and separate location for future reference. If you forget the password, you need to reset the device to the factory default settings and all configuration settings of the device are lost. Select the Username from the drop-down list. You can select admin, support, or user.
DSL-2750U/DSL-2750B User manual 3.4.3.2 Services In the Access Controls page, click Services. The page shown in the following figure appears. In this page, you can enable or disable the services that are used by the remote host. For example, if telnet service is enabled and port is 23, the remote host can access the device by telnet through port 23. Normally, you need not change the settings. Select the management services that you want to enable or disable on the LAN or WAN interface.
DSL-2750U/DSL-2750B User manual 3.4.4 Diagnostics Choose MAINTENANCE > Diagnostic. The page shown in the following figure appears. In this page, you can test the device. Click Return Diagnostics Test to run diagnostics. The page shown in the following figure appears. 3.4.5 System Log Choose MAINTENANCE > System Log. The System Log page shown in the following figure appears.
DSL-2750U/DSL-2750B User manual This page displays event log data in the chronological manner. You can read theevent log from the local host or send it to a system log server. Available eventseverity levels are as follows: Emergency, Alert, Critical, Error, Warning, Notice, Informational and Debugging. In this page, you can enable or disable the systemlog function. The procedure for logging the events is as follows: Step 1 Step 2 Step 3 Step 4 Step 5 Select Enable Log check box.
DSL-2750U/DSL-2750B User manual The page displays the summary of the device status, including the system information, WAN connection information, and local network information. 3.5.2 Wireless Clients Choose STATUS > Wireless Clients. The page shown in the following figure appears. The page displays authenticated wireless stations and their statuses.
DSL-2750U/DSL-2750B User manual 3.5.3 DHCP Clients Choose STATUS > DHCP Clients. The page shown in the following page appears. This page displays all client devices that obtain IP addresses from the device. You can view the host name, IP address, MAC address and time expired(s). 3.5.4 Logs Choose STATUS > Logs. The page shown in the following figure appears. This page lists the system log. Click Refresh to refresh the system log shown in the table. 3.5.5 Statistics Choose STATUS > Statistics.
DSL-2750U/DSL-2750B User manual This page displays the statistics of the network and data transfer. This information helps technicians to identify if the device is functioning properly. The information does not affect the function of the device. 3.5.6 Route info Choose STATUS > Route Info. The page shown in the following figure appears. The table shows a list of destination routes commonly accessed by the network.
DSL-2750U/DSL-2750B User manual 3.5.7 Logout Choose STATUS > Logout. The page shown in the following figure appears. In this page, you can log out of the configuration page.
DSL-2750U/DSL-2750B User manual Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
DSL-2750U/DSL-2750B User manual complaint with the FCC. Your telephone company may make changes in its facilities, equipment, operations or procedures that could affect the proper functioning of your equipment. If they do, you will be notified in advance to give you an opportunity to maintain uninterrupted telephone service. If you experience trouble with this telephone equipment, please contact the following address and phone number for information on obtaining service or repairs.
