DSL-N12U 11N 300Mbps Wireless ADSL Modem Router DSL-N12U POWER ADSL Internet Wireless LAN 1 2 3 4 300M Wireless ADSL Modem Router User Manual
E6482 First Edition April 2011 Copyright © 2011 ASUSTeK Computer Inc. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK Computer Inc. (“ASUS”).
Table of contents About this guide..................................................................................... 4 Chapter 1: Knowing your wireless ADSL router Package contents................................................................................... 7 System requirements............................................................................. 7 Before you proceed................................................................................ 7 Hardware features.......................
Table of contents Chapter 5: �������������� Troubleshooting Troubleshooting.................................................................................... 43 ASUS DDNS Service............................................................................. 46 Frequently Asked Questions (FAQs)................................................ 46 Appendices Notices................................................................................................... 49 ASUS Contact Information..................
• Chapter 6: Troubleshooting This chapter provides you with a troubleshooting guide for solving common problems you may encounter when using the ASUS Wireless ADSL Router. • Appendices This chapter provides you with the regulatory Notices and Safety Statements. Conventions used in this guide WARNING: Information to prevent injury to yourself when trying to complete a task. CAUTION: Information to prevent damage to the components when trying to complete a task.
1 Knowing your wireless ADSL router Package contents Check the following items in your ASUS Wireless ADSL Router package. DSL-N12U Wireless ADSL Router x1 Power adapter x1 Support CD (manual, utilities) x1 RJ-45 cable x1 RJ-11 cable x1 Quick Start Guide x1 Warranty card x1 Note: If any of the items is damaged or missing, contact your retailer.
• • • Keep the device away from transformers, heavy-duty motors, fluorescent lights, microwave ovens, refrigerators, and other industrial equipment to prevent signal loss. Install the device in a central area to provide ideal coverage for all wireless mobile devices. Install the device at least 20cm from a person to ensure that the product is operated in accordance with the RF Guidelines for Human Exposure adopted by the Federal Communications Commission.
Rear panel Wireless ANT Reset Power On/Off USB LAN4 LAN3 LAN2 LAN1 WPS On Off ADSL ANT Label Description Reset Press this button for more than five seconds to reset the system to its factory default settings. If this function failed, refer to section Firmware Restoration on page 32 for details on how to restore your router to default settings. Power Insert the AC adapter into this port to connect your router to a power source. On/Off Press this button to turn the power on/off.
Bottom panel 2 1 Item Description 1 Mounting hooks Use the mounting hooks to mount your router on concrete or wooden surfaces using two round head screws. 2 Air vents These vents provide ventilation to your router. Note: For details on mounting your router on a wall or ceiling, refer to the section Mounting options on the next page of this user manual.
Mounting options Out of the box, the ASUS Wireless 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. To mount the ASUS Wireless ADSL Router: 1. 2. 3. 4. Look on the underside for the two mounting hooks. Mark two upper holes in a flat surface. Tighten two screws until only 1/4'' is showing. Latch the hooks of the ASUS Wireless ADSL Router onto the screws.
DSL-N12U Chapter 1: Knowing your wireless router
2 Getting started Setting up the wireless router The ASUS Wireless ADSL Router includes a web Graphical User Interface (web GUI) that allows you to configure the wireless ADSL router using your web browser on your computer. Note: For details on configuring your wireless router using the web GUI, refer to Chapter 4: Configuring via the web GUI.
Setting up the wireless ADSL router The ASUS wireless ADSL router meets various working scenarios with proper configurations. You may need to change the wireless router’s default settings so as to meet the requirements in your wireless environment. Note: We recommend that you use wired connection for initial configuration to avoid possible setup problems due to wireless uncertainty. To set up the wireless ADSL router: 1. Connect your devices. To set up via wired connection a.
To set up via wireless connection: a. Insert the splitter's line connector to the phone outlet and connect your phone into the phone port (A). b. Connect your wireless router's ADSL port to the splitter’s DSL port (B). c. Turn on your computer and double-click the wireless network icon on the Windows® task bar to view available networks. Select your wireless router. By default, there is no security key for the wireless router. Click Connect and the connection is completed within seconds.
3. Launch your web browser. The QIS web page appears automatically and starts detecting your connection type, VPI/VCI value and encapsulation mode. Note: If the QIS web page does not appear after you launched your web browser, disable the proxy settings on your web browser. 4. 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.
5. 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 wireless router. • Click Back to main page page to go back to the main page of the web GUI.
DSL-N12U Chapter 2: Setting up the hardware
3 Configuring the network clients Accessing the wireless ADSL router Setting an IP address for wired or wireless clients To access the ASUS Wireless ADSL Router, you must have the correct TCP/IP settings on your wired or wireless clients. Ensure that the clients’ IP addresses are within the same subnet as the ASUS Wireless ADSL Router. By default, the ASUS Wireless ADSL Router integrates the DHCP server function, which automatically assigns IP addresses to the clients in your network.
Windows® 2000 1. Click Start > Control Panel > Network and Dial-up Connection. Right-click Local Area Connection then click Properties. 2. Select Internet Protocol (TCP/IP), then click Properties. 3. Select Obtain an IP address automatically if you want the IP settings to be assigned automatically. Otherwise, select Use the following IP address: and key in IP address, Subnet mask, and Default gateway. 4.
Windows® XP 1. Click Start > Control Panel > Network Connection. Right-click Local Area Connection then select Properties. 2. Select Internet Protocol (TCP/IP), then click Properties. 3. Select Obtain an IP address automatically if you want the IP settings to be assigned automatically. Otherwise, select Use the following IP address: and key in IP address, Subnet mask, and Default gateway. 4. Select Obtain DNS server address automatically if you want the DNS server settings to be assigned automatically.
Windows® Vista/7 1. Go to Start > Control Panel > Network and Internet > Network and Sharing Center. Click View status > Properties > Continue. 2. Select Internet Protocol Version 4 (TCP/IPv4), then click Properties. 3. Select Obtain an IP address automatically if you want the IP settings to be assigned automatically. Otherwise, select Use the following IP address: and key in IP address and Subnet mask. 4.
4 Configuring via the web GUI Configuring via the web GUI The router’s web Graphical User Interface (web GUI) allows you to configure these features: Network Map, Quick Internet Setup, EZQoS Bandwidth Management and other Advanced Setting. To access the web GUI: 1. Launch a web browser, then key in the router’s IP address (http://192.168.1.1). The login page of the router’s web GUI appears. 2. On the login page, key in the default user name (admin) and password (admin).
3. From the main page, click the navigation menu or links to configure the various features of the ASUS Wireless ADSL Router. Using the Network Map Network Map allows you to view the status and configure the connection settings of the Internet, system, and clients in your network. It enables you to quickly set up your Wide Area Network (WAN) using the Quick Internet Setup (QIS) feature.
Creating multiple SSID profiles The wireless router allows you to create multiple SSID profiles that meet various working scenarios. To create an SSID profile: 1. Under System status, click Add. 2. Configure the profile settings, then click Add.
Managing bandwidth with EzQoS EzQoS Bandwidth Management enables you to set the bandwidth priority and manage the network traffic. To set up the bandwidth priority: 1. Click EzQoS Bandwidth Management from the navigation menu at the left side of your screen. 2. Click each of these four applications to set the bandwidth priority: Icon Description Gaming Blaster The router handles gaming traffic at first priority.
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 > Administration from the navigation menu at the left side of your screen. 2. Click the Firmware Upgrade tab. 3. In the New Firmware File field, click Browse to locate the new firmware on your computer. 4. Click Upload. The uploading process takes about three minutes.
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. Click the Restore/Save/Upload Setting tab. 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. • To save the current system settings, click Save, and click Save in the file download window to save the system file in your preferred path.
5 Installing the utilities Installing the utilities The support CD contains the utilities for configuring the ASUS Wireless ADSL Router. To install the ASUS WLAN Utilities in Microsoft® Windows, insert the support CD in the CD drive. If Autorun is disabled, run setup.exe from the root directory of the support CD. To install the utilities: 1. Click Install...Utilities. 2. Click Next.
3. Click Next to accept the default destination folder or click Browse to specify another path. 4. Click Next to accept the default program folder or enter another name. 5. Click Finish when setup is completed.
Device Discovery Device Discovery is an ASUS WLAN utility that detects an ASUS Wireless ADSL Router and enables you to configure the device. To launch the Device Discovery utility: From your computer’s desktop, click Start > All Programs > ASUS Utility > DSL-N12U Wireless ADSL Router > Device Discovery. • • • Click Configure to access the web GUI and configure the wireless router. Click Search to search for ASUS wireless routers within range. Click Exit to exit the application.
Firmware Restoration Firmware Restoration is used on an ASUS Wireless 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. To launch the rescue mode and use the Firmware Restoration utility: 1. Unplug the wireless router from the power source. 2.
ADSL Setting Wizard ADSL Setting Wizard helps you to set up your ADSL settings and establish a secure wireless network using WPS function. Using ADSL Setting Wizard Note: • You can use wired connection using an RJ-45 cable or a wireless LAN adapter with WPS function.
2. Press the WPS button on your router until the Power indicator flashes three times per second. (Use only with a wireless client card with WPS function) Wireless ANT Reset Power On/Off USB LAN4 LAN3 LAN2 LAN1 WPS On Off ADSL ANT WPS button 3. On the ADSL Setting Wizard, click Next to continue. Notes: • When running WPS, the Internet connection pauses briefly then reestablishes the connection.
4. Key in desired network name or SSID (service set identifier). When done, click Next. 5. Create and key in a passphrase consisting of 8-63 characters or use the automatically generated passphrase then click Next. A passphrase is a sentence, phrase, or sequence of alpha-numeric characters used to generate a security key.
6. When finished, click Save or print settings for future reference or Save settings to a USB flash drive to add other devices to the network. Click Next to connect to the Internet. Note: For more details on adding devices to the network using a USB flash drive, refer to the section Adding network devices using a USB flash drive on the next page. 7. You have connected to the wireless router. If you want to configure the Internet (WAN) settings, click Quick Internet Setup.
8. For Internet (WAN) settings, refer to section Using the Quick Internet Setup (QIS) in Chapter 2 of this manual. If you are a Russian user, follow the onscreen instructions to finish the ADSL Internet (WAN) settings.
Adding network devices using a USB flash drive With the ADSL Setting Wizard, you can add devices to your network using a USB flash drive. To add network devices using a USB flash drive: 1. In the ADSL Setting Wizard, click Save settings to a USB flash drive. 2. Insert a USB flash drive into your computer's USB port, then select the drive from the dropdown list. When done, click Next.
3. Unplug the USB flash drive from your computer then insert it to the other computer that you want to add to your wireless network. 4. Locate SetupWireless.exe from the USB drive, and double-click to run it. Click Yes to add the computer to the wireless network. 5. Click OK to exit the Wireless Network Setup Wizard.
Setting up your network printer Use the Network Printer Setup utility to set up a USB printer on your wireless router and allow network clients to access the USB printer. Note: To check if your USB printer is compatible with your ASUS wireless router, visit the ASUS website at ww.asus.com and click Products > Networks > Printer Support List. You may also go to this link: http://event.asus.com/networks/printersupport To set up your USB Printer: 1.
3. Wait for a few minutes for the initial setup to finish. Click Next. 4. Click Finish to complete the installation.
5. Follow the Windows® OS instructions to install the printer driver. 6. After the printer’s driver installation is completed, network clients can now use the printer.
6 Troubleshooting Troubleshooting This troubleshooting guide provides solutions to some common problems that you may encounter while installing or using the ASUS Wireless ADSL Router. These problems require simple troubleshooting that you can perform by yourself. Contact the ASUS Technical Support if you encounter problems not mentioned in this chapter. Problem Action I cannot access the web GUI for configuring the router. 1. Launch a web browser, then click Tools > Internet Options... 2.
Problem Cannot access the Internet via wireless LAN adapter. Action • • • • • • • Internet is not accessible. • • • 44 If the ADSL indicator light blinks continuously or stays off, Internet access is not possible - the Router is unable to establish a connection with the ADSL network. • Network name or encryption keys are forgotten. • • • • Move the router closer to the wireless client. Check whether the wireless adapter is connected to the correct wireless router.
Problem How to restore the system to its default settings? Action • • Press the Restore button at the rear panel of the wireless router for more than five seconds. Refer to the section Restoring/Saving/ Uploading settings in Chapter 4 of this user manual. 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.
ASUS DDNS Service DSL-N12U supports the ASUS DDNS service. When exchanging devices at the service center, if you have registered the ASUS DDNS service and want to keep the original domain name, data transfer is a must. Visit your local service center for more information. Notes: • If there is no activity in the domain - such as reconfiguring the router or accessing the registered domain name - within 90 days, the system automatically deletes the registered information.
5. After restarting the router, why is it that I see different WAN IPs in MS DOS and in the router configuration page? This is normal. The interval time between the ISP DNS server and ASUS DDNS results in different WAN IPs in MS DOS and in the router configuration page. 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.
DSL-N12U Chapter 6: Troubleshooting
Appendices Notices ASUS Recycling/Takeback Services ASUS recycling and takeback programs come from our commitment to the highest standards for protecting our environment. 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.
FCC/Canada Radiation Exposure Statement This equipment complies with FCC/Canada radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum 20cm between the radiator and your body. IC Warning Statement This device had been designed to operate with the antennas for a maximum gain 5dBi, antenna type: dipole. Antennas not described as above are strictly prohibited for use with this device.
de dispositifs, à la seule condition que la somme d’indicesd’équivalence de la sonnerie de tous les dispositifs n’excède pas 5. FCC REQUIREMENTS This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA. On the bass unit of this equipment is a label that contains, among other information, a product identifier in the format US: ASUDL01BDSLN12U. If requested, this number must be provided to the telephone company.
Declaration of Conformity for R&TTE directive 1999/5/EC Essential requirements – Article 3 Protection requirements for health and safety – Article 3.1a Testing for electric safety according to EN 60950-1 has been conducted. These are considered relevant and sufficient. Protection requirements for electromagnetic compatibility – Article 3.1b Testing for electromagnetic compatibility according to EN 301 489-1 and EN 301 489-17 has been conducted. These are considered relevant and sufficient.
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ASUS Contact Information ASUSTeK COMPUTER INC. (Asia Pacific) Address Website Technical Support Telephone Support Fax Online support 15 Li-Te Road, Peitou, Taipei, Taiwan 11259 www.asus.com +886228943447 +886228907698 support.asus.com ASUS COMPUTER INTERNATIONAL (America) Address Telephone Fax Website Online support 800 Corporate Way, Fremont, CA 94539, USA +15107393777 +15106084555 usa.asus.com support.asus.
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Manufacturer: ASUSTeK Computer Inc. Tel: +886-2-2894-3447 Address: No. 150, LI-TE RD., PEITOU, TAIPEI 112, TAIWAN Authorised representative ASUS Computer GmbH in Europe: Address: HARKORT STR. 21-23, 40880 RATINGEN, GERMANY Authorised distributors BOGAZICI BIL GISAYAR SAN. VE TIC. A.S. in Turkey: Tel: +90 212 3311000 Address: AYAZAGA MAH. KEMERBURGAZ CAD. NO.10 AYAZAGA/ISTANBUL CIZGI Elektronik San. Tic. Ltd. Sti. Tel: +90 212 3567070 Address: CEMAL SURURI CD.