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RT-N66U
Gigabit Router
Dual Band Wireless-N900
The ultra-thin and stylish RT-N66U 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.
User Guide
Dark Knight

Summary of Contents

  • Page 1

    The ultra-thin and stylish RT-N66U 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.

  • 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 wireless router ..................5 Creating your network Positioning your router................8 What you need ..................... 9 Setting up your wireless router ............10 Wired connection ................10 Wireless connection ................11 Mounting to the stand ................12 Before you proceed ...................13 Disable the proxy server, if enabled.

  • Page 4: Table Of Contents

    Restoring/Saving/Uploading settings ........41 Setting up your network printer ............42 4 Using the utilities Device Discovery ..................46 Firmware Restoration ................47 5 Troubleshooting Troubleshooting ..................49 ASUS DDNS Service ..................52 Frequently Asked Questions (FAQs) ..........52 Appendices Notices ......................54 ASUS Contact information ..............67 Networks Global Hotline Information ..........68...

  • Page 5: Table Of Contents

    Manual, utility software Stand 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. LAN LED Off: No power or no physical connection. On: Has physical connection to a local area network (LAN). WAN LED Off: No power or no physical connection. On: Has physical connection to a wide area network (WAN).

  • Page 7

    NOTES: • Use only the adapter that came with your package. Using other adapters may damage the device. • Specifications: DC Power adapter DC Input: +19V with max 1.58A current; +12V with max 2A current Operating 0~40 Storage 0~70 Temperature Operating Humidity 50~90% Storage...

  • Page 8: Positioning Your Router

    • 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 antennas as shown in the drawing below.

  • 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: Setting Up Your Wireless Router, Wired Connection

    • Use wired connection in setting up your wireless router to avoid possible setup problems due to wireless uncertainty. • Before setting up your ASUS wireless router, do the following: • If you are replacing an existing router, disconnect it from your network.

  • Page 11: Wireless Connection

    2. Using the bundled network cable, connect your computer to your wireless router’s LAN port. IMPORTANT! Ensure that the LAN LED is blinking. 3 Using another network cable, connect your modem to your wireless router’s WAN port. 4. Insert your modem’s AC adapter to the DC-In port and plug it to a power outlet.

  • Page 12: Mounting To The Stand

    NOTES: • For details on connecting to a wireless network, refer to the WLAN adapter’s user manual. • To set up the security settings for your network, refer to the section Setting up the wireless security settings in this user manual.

  • Page 13: A. Disable The Proxy Server, If Enabled

    Before you proceed NOTE: Before configuring your wireless router, do the steps described in this section for your host computer and network clients. A. Disable the proxy server, if enabled. Windows ® 1. Click Start > Internet Explorer to launch the browser. 2.

  • Page 14: B. Set The Tcp/ip Settings To Automatically Obtain An Ip Address

    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 15

    3. To obtain the IPv4 IP settings automatically, tick Obtain an IP address automatically. To obtain the IPv6 IP settings automatically, tick Obtain an IPv6 address automatically. 4. Click OK when done. MAC OS 1. Click the Apple icon located on the top left of your screen.

  • Page 16: C. Disable The Dial-up Connection, If Enabled

    Disable the dial-up connection, if enabled. Windows ® 1. Click Start > Internet Explorer to launch the browser. 2. Click Tools > Internet options > Connections tab. 3. Tick Never dial a connection. 4. Click OK when done. NOTE: Refer to your browser's help feature for details on disabling the dial-up connection.

  • Page 17: Logging Into The Web Gui

    Configuring via the web GUI Logging into the web GUI Your ASUS Wireless 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 18: Setting Up The Internet Connection, Quick Internet Setup (qis) With Auto-detection

    3. The wireless router’s web GUI launches. Use the web GUI to configure various settings. Setting up the Internet connection NOTE: When setting the Internet connection for the first time, press the Reset button on your wireless router to reset it to its factory default settings.

  • Page 19

    2. The wireless router automatically detects if your ISP connection type is Dynamic IP, PPPoE, PPTP, L2TP, and Static IP. Key in the necessary information for your ISP connection type. IMPORTANT! Obtain the necessary information about your Internet connection type from your ISP.

  • Page 20

    NOTES: • The auto-detection of your ISP connection type takes place when you configure the wireless router for the first time or when your wireless router is reset to its default settings. • If QIS failed to detect your Internet connection type, click Skip to manual setting and manually configure your connection settings.

  • Page 21

    4. Your Internet and wireless settings are displayed. Click Next to continue. 5. Read the wireless network connection tutorial. When done, click Finish.

  • Page 22: 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 23

    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 24: Managing Your Network Clients

    Managing your network clients To manage your network clients: 1. Launch the wireless router’s web GUI. 2. On the Network Map screen, select the Client Status icon to display the information about your network clients.

  • Page 25: Monitoring Your Usb Device

    Monitoring your USB device The ASUS Wireless 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 26

    3. On the AiDisk Wizard field, click GO to set up an FTP server for Internet file sharing. NOTES: • For more details, refer to the section Using the Network Place (Samba) Share service and Using the FTP Share service in this user manual.

  • Page 27: Creating Your Guest Network

    Creating your Guest Network The Guest Network provides Internet connectivity for temporary visitors without providing access to your private network. To create your guest network: 1. Launch the wireless router’s web GUI. 2. On the Guest Network screen, click Create to create a network for your visitors.

  • Page 28: Using The Traffic Manager, Managing Qos (quality Of Service) Bandwidth

    Using the Traffic Manager Managing QoS (Quality of Service) Bandwidth The Quality of Service (QoS) allows you to set the bandwidth priority and manage the network traffic. To set up the bandwidth priority: 1. Launch the wireless router’s web GUI. 2.

  • Page 29: Monitoring Traffic, Using The Usb Extension

    Monitoring Traffic The traffic monitor function allows you to assess the bandwidth usage and speed of your Internet, LAN, Wired, WLAN (2.4GHz or 5GHz) connections. Using the USB Extension The USB Extension function provides AiDisk, Servers Center, Network Printer Server and Download Master submenus.

  • Page 30: Using Aidisk For Files Sharing

    Using AiDisk for Files Sharing AiDisk allows you to share files in the USB disk through the Internet. NOTE: Before using AiDisk, ensure that you have inserted a USB disk into the USB port of your wireless router. To use AiDisk: 1.

  • Page 31

    3. Select the access rights that you want to assign to the clients accessing your shared data. 4. Create your domain name via the ASUS DDNS services, select I will use the service and accept the Terms of service and key...

  • Page 32

    5. Click Finish to finish the setup. 6. To access the FTP site that you created, launch a web browser or a third-party FTP client utility and key in the ftp link (ftp://<domain name>) you have previously created.

  • Page 33: Using The Servers Center Service

    Using the Servers Center service Your wireless 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 wireless router. NOTE: Before using the UPnP Media Server function, install a wireless adapter on your UPnP device.

  • Page 34: Using The Network Place (samba) Share Service

    Using the Network Place (Samba) Share service Network Place (Samba) Share allows you to set the account and permission for samba service. To use Samba share: 1. Click the Network place (Samba) Share tab in the Servers Center of USB Extension. 2.

  • Page 35: Using The Ftp Share Service

    Using the FTP Share service Sharing files via the FTP server The ASUS Wireless Router enables you to share files from your USB storage device via the FTP server with computers in LAN or through the Internet. IMPORTANT! To use this feature, you need to insert a USB storage device, such as a USB hard disk or USB flash drive, to the USB2.0 port on the rear panel of your wireless router.

  • Page 36

    4. From the list of files/folders, select the type of access rights that you want to assign for specific files/folders: • R/W: Select this option to assign read/write access for a specific file/folder. • W: Select this option to assign write only access for a specific file/folder.

  • Page 37: Using The Miscellaneous Setting

    Using the Miscellaneous setting Miscellaneous setting allows you to configure other settings for the USB disk, including maximum login user, device name, work group and language on FTP server. To use miscellaneous setting: 1. Click the Miscellaneous setting tab in the Servers Center of USB Extension.

  • Page 38: Configuring The Advanced Settings, Setting Up The Dhcp Server

    IP addresses from your wireless router. NOTE: The ASUS Wireless Router can support up to 253 IP addresses for your network. To set up the DHCP server: 1. Click Advanced Setting from the navigation menu at the left side of your screen.

  • Page 39

    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 wireless router automatically assigns new IP Addresses for the network clients.

  • Page 40: 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 41: 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 42: Setting Up Your Network Printer

    USB printer. NOTES: • To check if your USB printer is compatible with your ASUS wireless router, refer to the Plug-n-Share Disk Support List at http://event.asus.com/networks/disksupport • The wireless router's printer server function is not supported ®...

  • Page 43

    3. Unzip the downloaded file and click the Printer icon to run the network printer setup program. 4. Follow the onscreen instructions to set up your hardware, then click Next.

  • Page 44

    5. Wait for a few minutes for the initial setup to finish. Click Next. 6. Click Finish to complete the installation.

  • Page 45

    7. Follow the Windows ® OS instructions to install the printer driver. 8. After the printer’s driver installation is completed, network clients can now use the printer.

  • Page 46: Device Discovery

    • 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 wireless router device, and enables you to configure the device. To launch the Device Discovery utility: •...

  • Page 47: Firmware Restoration

    Firmware Restoration Firmware Restoration is used on an ASUS Wireless 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 48

    NOTE: This is not a firmware upgrade utility and cannot be used on a working ASUS Wireless Router. Normal firmware upgrades must be done through the web interface. Refer to Chapter 3: Configuring via the web GUI for more details.

  • Page 49: 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 50

    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. Cannot access the Internet via wireless LAN adapter. • Move the router closer to the wireless client. •...

  • Page 51

    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: ASUS...

  • Page 52: Asus Ddns Service, Frequently Asked Questions (faqs)

    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 53

    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 54: Notices

    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 55

    against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

  • Page 56

    Safety Information To maintain compliance with FCC’s RF exposure guidelines, this equipment should be installed and operated with minimum distance 20cm between the radiator and your body. Use on the supplied antenna. Declaration of Conformity for R&TTE directive 1999/5/EC Essential requirements – Article 3 Protection requirements for health and safety –...

  • Page 57

    Radio Frequency (RF) Exposure Information The radiated output power of the ASUS Wireless Device is below the Industry Canada (IC) radio frequency exposure limits. The ASUS Wireless Device should be used in such a manner such that the potential for human contact during normal operation is minimized.

  • Page 58

    警語 經型式認證合格之低功率射頻電機,非經許可,公司、商號或 使用者均不得擅自變更頻率、加大功率或變更原設計之特性及 功能。低功率射頻電機之使用不得影響飛航安全及干擾合法通 信;經發現有干擾現象時,應立即停用,並改善至無干擾時方 得繼續使用。前項合法通信,指依電信法規定作業之無線電通 信。低功率射頻電機須忍受合法通信或工業、科學及醫療用電 波輻射性電機設備之干擾。 GNU General Public License Licensing information This product includes copyrighted third-party software licensed under the terms of the GNU General Public License. Please see The GNU General Public License for the exact terms and conditions of this license.

  • Page 59

    Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users.

  • Page 60

    We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author’s protection and ours, we want to make certain that everyone understands that there is no warranty for this free software.

  • Page 61

    not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program).

  • Page 62

    the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole.

  • Page 63

    cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code.

  • Page 64

    Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it.

  • Page 65

    on consistent application of that system; it is up to the author/ donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License.

  • Page 66

    derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11 BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS”...

  • Page 67: 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 68: 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 69

    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 70

    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 Tel: +90 212 3311000 in Turkey: Address: AYAZAGA MAH.

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