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Asus DSL-N55U User Manual
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Asus DSL-N55U User Manual

Dual-band wi-fi adsl modem router
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User Guide

DSL-N55U
Dual-band Wi-Fi ADSL Modem Router
The ultra-thin and stylish
DSL-N55U features a 2.4GHz
and 5GHz dual bands for an
unmatched concurrent wireless
HD streaming; SMB server, UPnP
AV server, and FTP server for 24/7
file sharing; a capability to handle
300,000 sessions; and the ASUS
Green Network Technology, which
provides up to 70% power-saving
solution.

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  • Page 1: User Guide

    User Guide DSL-N55U Dual-band Wi-Fi ADSL Modem Router The ultra-thin and stylish DSL-N55U features a 2.4GHz and 5GHz dual bands for an unmatched concurrent wireless HD streaming; SMB server, UPnP AV server, and FTP server for 24/7 file sharing; a capability to handle 300,000 sessions;...
  • Page 2 Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing. ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND,...

  • Page 3: Table Of Contents

    Table of contents A quick look Package contents ..................5 Your ADSL router ..................5 Mounting options ..................7 Creating your network Positioning your router ................8 What you need ..................... 9 Connecting your devices ................10 Wired connection ................10 Before you proceed...................11 Disable the proxy server, if enabled.
  • Page 4 Setting up your network printer ............41 4 Using the utilities Device Discovery ..................45 Firmware Restoration ................46 ADSL Setting Wizard .................47 5 Troubleshooting Troubleshooting ..................51 ASUS DDNS Service ..................54 Frequently Asked Questions (FAQs) ..........54 Appendices Notices ......................56 ASUS Contact information ..............66 Networks Global Hotline Information ..........67...

  • Page 5: Quick Look

    Phone cable Splitter (varies with regions) NOTES: • If any of the items is damaged or missing, contact ASUS for technical inquiries and support, Refer to the ASUS Support Hotline list at the back of this user manual. • Keep the original packaging material in case you would need future warranty services such as repair or replacement.
  • Page 6 Power LED Off: No power. On: Device is ready. Flashing slow: Rescue mode Flashing quick: WPS is processing. ADSL LED Solid light: ADSL link is established. Flashing: No ADSL link or unable to establish ADSL link. WAN LED Off: No power or no physical connection. On: Has physical connection to a wide area network (WAN).

  • Page 7: Mounting Options

    20~90% Mounting options Out of the box, the ASUS ADSL router is designed to sit on a raised flat surface like a file cabinet or book shelf. The unit may also be converted for mounting to a wall or ceiling.

  • Page 8: Creating Your Network

    • Always update to the latest firmware. Visit the ASUS website at http://www.asus.com to get the latest firmware updates. • To ensure the best wireless signal, orient the three detachable...

  • Page 9: What You Need

    What you need To set up your network, you need one or two computers that meet the following system requirements: • Ethernet RJ-45 (LAN) port (10Base-T/100Base-TX/1000BaseTX) • IEEE 802.11a/b/g/n wireless capability • An installed TCP/IP service • Web browser such as Internet Explorer, Firefox, Safari, or Google Chrome NOTES: •...

  • Page 10: Connecting Your Devices

    • Use wired connection in setting up your ADSL router to avoid possible setup problems due to wireless uncertainty. • Before setting up your DSL-N55U, do the following: • Disconnect the cables/wires from your existing modem setup. If your modem has a backup battery, remove it as well.

  • Page 11: Before You Proceed

    Before you proceed NOTE: Before configuring your DSL-N55U, do the steps described in this section for your host computer and network clients. Disable the proxy server, if enabled. Windows ® 1. Click Start > Internet Explorer to launch the browser.
  • Page 12 MAC OS 1. From your Safari browser, click Safari > Preferences > Advanced > Change Settings... 2. From the Network screen, deselect FTP Proxy and Web Proxy (HTTP). 3. Cllick Apply Now when done. NOTE: Refer to your browser's help feature for details on disabling the proxy server.

  • Page 13: Set The Tcp/Ip Settings To Automatically Obtain An Ip Address

    Set the TCP/IP settings to automatically obtain an IP address. Windows ® 1. Click Start > Control Panel > Network and Internet > Network and Sharing Center > Manage network connections. 2. Select Internet Protocol Version 4 (TCP/IPv4) or Internet Protocol Version 6 (TCP/IPv6), then click Properties.

  • Page 14: Disable The Dial-Up Connection, If Enabled

    MAC OS 1. Click the Apple icon located on the top left of your screen. 2. Click System Preferences > Network > Configure... 3. From the TCP/IP tab, select Using DHCP in the Configure IPv4 dropdown list. 4. Cllick Apply Now when done.

  • Page 15: Setting Up Your Adsl Router

    Setting up your ADSL router 1. Before starting ADSL setting procedure, ensure that the ADSL indicator on DSL-N55U front panel becomes solid. 2. Launch your web browser. The QIS web page appears automatically and starts detecting your connection type, VPI/ VCI value and encapsulation mode.
  • Page 16 3. Key in the user name and password. Click Apply. If the QIS cannot detect your Internet connection type, click Manual Setting and set up the Internet connection manually. NOTES: • The PPPoE Internet connection type is used in this setup case. The setup screen varies with different Internet connection types.
  • Page 17 4. The Internet connection setup is completed. • Click Going to Internet to surf the Internet. • Click Simple Wireless Security Setup to configure the basic security settings including the SSID, authentication, and encryption methods for the ADSL router. (Recommended) •...
  • Page 18 5. Change your network name (recommended) and enter the password to set up your secure 2.4GHz and 5GHz wireless environments.

  • Page 19: Configuring Via The Web Gui

    Configuring via the web GUI Logging into the web GUI Your ASUS ADSL router comes with an intuitive web graphics user interface (GUI) that allows you to easily configure its various features through a web browser such as Internet Explorer, Firefox, Safari, or Google Chrome.
  • Page 20 3. The ADSL router’s web GUI launches. Use the web GUI to configure various settings.

  • Page 21: Using Wi-Fi Protected Setup (Wps)

    Wireless Adapter Support Windows Vista 32/64 ASUS/Intel wireless LAN card (except WL- 167g and WL-160W) Windows 7 32/64 Windows 2008 ASUS WL-167g v2 driver v.3.0.6.0 or later ASUS WL-160N/WL-130N driver v.2.0.0.0 or later Windows XP SP2/SP3 ASUS/Intel wireless LAN card (WL-167g and...
  • Page 22 To use WPS: 1. In the WPS field, click the red button to launch the WPS Push Button Configuration. NOTE: You may also press the WPS button on your ADSL router to launch the WPS Push Button Configuration. 2. Follow the onscreen instructions to complete the wireless network setup.

  • Page 23: Setting Up The Wireless Security Settings

    Setting up the wireless security settings To protect your wireless network from unauthorized access, you need to configure its security settings. To set up the wireless security settings: 1. Key in 192.168.1.1 on your web browser. 2. On the login screen, key in the default user name (admin) and password (admin), then click OK.
  • Page 24 5GHz security settings 4. On the Wireless name (SSID) field, key in a unique name for your wireless network. 5. From the Security Level dropdown list, select the encryption method for your wireless network. IMPORTANT! The IEEE 802.11n standard prohibits using High Throughput with WEP or WPA-TKIP as the unicast cipher.

  • Page 25: Managing Your Network Clients

    Managing your network clients To manage your network clients: 1. Launch the ADSL router’s web GUI. 2. On the Network Map screen, select the Client Status icon to display the information about your network clients. 3. In the Priority field under the Client List, you can set the priority packet for each client as Normal, High, or Low.

  • Page 26: Monitoring Your Usb Device

    Monitoring your USB device The ASUS ADSL router provides two USB 2.0 ports for connecting USB devices such as a USB storage device and USB printer, to allow you to monitor the working environment, share files, and printer with clients in your network.
  • Page 27 3. On the Media Server field, click GO to allow UPnP (Universal Plug and Play) devices such as PS3 to access the multimedia files in your USB disk. NOTE: For more details, refer to the next section Using your router as a UPnP Media Server in this user manual. 4.

  • Page 28: Using Aidisk For An Ftp Server And Network Neighborhood Setup

    Using AiDisk for an FTP server and Network Neighborhood setup AiDisk allows you to set up an FTP server and share the content of a USB disk to the clients in your network. NOTE: Before using AiDisk, ensure that you have inserted a USB disk into the USB port of your ADSL router.
  • Page 29 3. Select the access rights that you want to assign to the clients accessing your shared data. 4. To create your own domain for your FTP site via the ASUS DDNS services, select I will use the service and accept the Terms of service and key in your domain name.

  • Page 30: Using Your Router As A Upnp Media Server

    Using your router as a UPnP Media Server Your ADSL router allows UPnP (Universal Plug and Play) multimedia devices, such as PS3 and XBox 360, to access multimedia files from the USB disk connected to your ADSL router. NOTE: Before using the UPnP Media Server function, install a wireless adapter on your UPnP device.

  • Page 31: Managing Ezqos Bandwidth

    Managing EZQoS Bandwidth EzQoS Bandwidth Management allows you to set the bandwidth priority and manage the network traffic. Setting up the bandwidth priority To set up the bandwidth priority: 1. Click EzQoS Bandwidth Management from the navigation menu at the left side of your screen. NOTE: Manually key in the uplink speed to prevent the router from detecting the wrong uplink speed from an unstable network.
  • Page 32 2. Click each of these four applications to set the bandwidth priority: Icon Description Gaming Blaster The router handles gaming traffic at first priority. Internet Application The router handles the e-mail, web browsing and other Internet applications traffic at first priority. AiDisk The router handles at first priority the traffic of downloading/ uploading data to/from the FTP server.

  • Page 33: Monitoring The Network Traffic

    Monitoring the network traffic The Traffic Monitor page allows you to assess the bandwidth usage and speed of your Internet, LAN, Wired, WLAN (2.4GHz or 5GHz) connections. To monitor the network traffic: 1. Click EzQoS Bandwidth Management > Traffic Monitor tab.. 2.

  • Page 34: Configuring The Advanced Settings

    You may enable the DHCP Server function in your ADSL router so your network clients can automatically obtain IP addresses from your ADSL router. NOTE: The ASUS ADSL router can support up to 253 IP addresses for your network. To set up the DHCP server: 1.
  • Page 35 3. In the Enable the DHCP Server? field, tick Yes. 4. In the IP Pool Starting Address field, key in the starting IP address. 5. In the IP Pool Ending Address field, key in the ending IP address. 6. In the Lease Time field, key in the time that the IP addresses expire and the ADSL router automatically assigns new IP Addresses for the network clients.

  • Page 36: Upgrading The Firmware

    Upgrading the firmware NOTE: Download the latest firmware from the ASUS website at http://www.asus.com To upgrade the firmware: 1. Click Advanced Setting from the navigation menu at the left side of your screen. 2. Under the Administration menu, click Firmware Upgrade.

  • Page 37: Restoring/Saving/Uploading Settings

    Restoring/Saving/Uploading settings To restore/save/upload the settings: 1. Click Advanced Setting from the navigation menu at the left side of your screen. 2. Under the Administration menu, click Restore/Save/Upload Setting. 3. Select the tasks that you want to do: • To restore to the default factory settings, click Restore, and click OK in the confirmation message.

  • Page 38: Sharing Files From A Usb Storage Device

    Sharing files from a USB storage device Creating a user account You need to create user accounts before you can share the files or data in the USB storage device. To create a user account: 1. Click Advanced Setting > USB Application from the navigation menu at the left side of your screen.
  • Page 39 Sharing files via the FTP server The ASUS ADSL router enables you to share files from your USB storage device via the FTP server with computers in LAN or through the Internet.
  • Page 40 To share files via the FTP server: 1. Ensure that you have set up your FTP server through AiDisk. NOTE: For more details, refer to the section Using AiDisk for an FTP Server and Network Neighborhood setup in this user manual.

  • Page 41: Setting Up Your Network Printer

    Use the Network Printer Setup utility to set up a USB printer on your ADSL router and allow network clients to access the USB printer. NOTES: • To check if your USB printer is compatible with your ASUS ADSL router, refer to the Plug-n-Share Disk Support List at http://event.asus.com/2009/networks/printersupport/dsl- n55u.htm •...
  • Page 42 2. Follow the onscreen instructions to set up your hardware, then click Next. 3. Wait for a few minutes for the initial setup to finish. Click Next.
  • Page 43 4. Click Finish to complete the installation. 5. Follow the Windows OS instructions to install the printer driver. ®...
  • Page 44 6. After the printer’s driver installation is completed, network clients can now use the printer.

  • Page 45: Using The Utilities

    • If Autorun is disabled, run setup.exe from the root directory of the support CD. Device Discovery Device Discovery is an ASUS WLAN utility that detects an ASUS ADSL router device, and enables you to configure the device. To launch the Device Discovery utility: •...

  • Page 46: Firmware Restoration

    Firmware Restoration Firmware Restoration is used on an ASUS ADSL router that failed during its firmware upgrading process. It uploads the firmware that you specify. The process takes about three to four minutes. IMPORTANT: Launch the rescue mode before using the Firmware Restoration utility.

  • Page 47: Adsl Setting Wizard

    To use the ADSL Setup Wizard: 1. From your computer’s desktop, click Start > All Programs > ASUS Utility > DSL-N55U ADSL router > ADSL Setting Wizard. 2. Follow the onscreen instructions to set up your hardware.
  • Page 48 3. Key in the ADSL router’s default user name admin and password admin, then click Next. 4. Wait for a few minutes until your ADSL router finishes detecting your Internet connection type.
  • Page 49 5. Key in the user name and password for your Internet connection type. Click Apply. If the QIS cannot detect your Internet connection type, click Manual Setting and set up the Internet connection manually. NOTES: • The PPPoE Internet connection type is used in this setup case. The setup screen varies with different Internet connection types.
  • Page 50 6. The Internet connection setup is completed. • Click Going to Internet to surf the Internet. • Click Simple Wireless Security Setup to configure the basic security settings including the SSID, authentication, and encryption methods for the ADSL router. (Recommended) •...

  • Page 51: Troubleshooting

    Troubleshooting NOTE: If you encounter problems that are not mentioned in this chapter, contact the ASUS Technical Support. Troubleshooting I cannot access a web browser for configuring the router. • Delete the cookies and files in your web browser. To do this, follow these steps: 1. Launch your web browser, then click Tools > Internet Options...
  • Page 52 Cannot find the router: • Press the Reset button at the rear panel for more than five seconds. • Check the setting in the wireless adapter such as SSID and encryption settings. • Check if the wireless indicator on the front panel is off. Turn the wireless switch at the rear panel on/off.
  • Page 53 The following are the factory default settings: User Name: admin Password: admin Enable DHCP: Yes (if WAN cable is plugged in) IP address: 192.168.1.1 Domain Name: (Blank) Subnet Mask: 255.255.255.0 DNS Server 1: 192.168.1.1 DNS Server 2: (Blank) SSID (2.4GHz): ASUS SSID (5GHz): ASUS_5G...

  • Page 54: Asus Ddns Service

    2. I did not register the ASUS DDNS for the router I bought six months ago. Can I still register it? Yes, you can still register the ASUS DDNS service for your router.
  • Page 55 Different ISPs may have different interval time for IP updating. 6. Is the ASUS DDNS service free, or is it just a trial version? The ASUS DDNS service is a free and embedded service in some ASUS routers. Check your ASUS router if it supports the...

  • Page 56: Appendices

    We believe in providing solutions for you to be able to responsibly recycle our products, batteries, other components, as well as the packaging materials. Please go to http://csr.asus. com/english/Takeback.htm for the detailed recycling information in different regions.

  • Page 57: Licensing Information

    Testing for radio test suites according to EN 300 328- 2 has been conducted. These are considered relevant and sufficient. CE Mark Warning This is a Class B product, in a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures.
  • Page 58 authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price.
  • Page 59 modification follow. Terms & conditions for copying, distribution, & modification 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The “Program” , below, refers to any such program or work, and a “work based on the Program”...
  • Page 60 terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License.
  • Page 61 Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-...
  • Page 62 counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License.
  • Page 63 the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program.
  • Page 64 Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and “any later version” , you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation.
  • Page 65 OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

  • Page 66: Asus Contact Information

    ASUS COMPUTER INTERNATIONAL (America) Address 800 Corporate Way, Fremont, CA 94539, USA Telephone +15107393777 +15106084555 Website usa.asus.com Online support support.asus.com ASUS COMPUTER GmbH (Germany and Austria) Address Harkort Str. 21-23, D-40880 Ratingen, Germany Telephone +491805010923* +492102959911 Website www.asus.de Online contact www.asus.de/sales...

  • Page 67: Networks Global Hotline Information

    Networks Global Hotline Information Support Working Working Area Hotline Number Languages Hour Australia 1300-2787-88 English 9:00-18:00 Mon. to Fri. Austria 0043-820240513 German 9:00-18:00 Mon. to Fri. Belgium 0032-78150231 Dutch /French 9:00-17:00 Mon. to Fri. 800-820-6655; Simplified Mon. to China 9:00-18:00 021-34074610 Chinese Sun.
  • Page 68 Mon. to Fri 0044-870-1208340; United Kingdom English 9:00-17:00 Mon. to Fri. 0035-31890719918 8:30-12:00am Mon. to Fri. (5:30am- 9:00pm PST) USA/Canada 1-812-282-2787 English 9:00am- Sat. to Sun. 6:00pm EST (6:00am- 3:00pm PST) NOTE: For more information, visit the ASUS support site at: http://support.asus.com...
  • Page 69 ASUSTeK Computer Inc. Manufacturer: Tel: +886-2-2894-3447 Address: No. 150, LI-TE RD., PEITOU, TAIPEI 112, TAIWAN ASUS Computer GmbH Authorised representative Address: HARKORT STR. 21-23, 40880 in Europe: RATINGEN, GERMANY BOGAZICI BIL GISAYAR SAN. VE TIC. Authorised A.S. distributors in Turkey:...

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