User Guide DSL-AC88U Annex B Dual-band Wi-Fi ADSL/VDSL Modem Router
E14012 Revised Edition v2 February 2018 Copyright © 2018 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 1 Getting to know your wireless router 5 Package contents......................................................................................... 5 Hardware features........................................................................................ 6 2 Creating your network 9 Positioning your router.............................................................................. 9 What you need.......................................................................................
5 Troubleshooting 42 Troubleshooting.........................................................................................42 Restoring the firmware via the Rescue mode...................................45 ASUS DDNS Service...................................................................................47 Appendices 49 Notices............................................................................................................49 Networks Global Hotline Information............................
1 Getting to know your wireless router Package contents ADSL/VDSL WiFi modem router Network cable AC adapter Phone cable Quick Start Guide Warranty card Support CD (User Manual/utilities) Splitter (varies with regions) • 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.
Hardware features 1 2 3 4 9 6 5 6 7 10 8 11 1 Power LED Off: No power. On: Device is ready. Flashing slowly: Rescue mode Flashing quickly: WPS in progress. 2 5GHz LED Off: No 5GHz signal. On: Wireless system is ready. Flashing: Transmitting or receiving data via wireless connection. 3 2.4GHz LED Off: No 2.4GHz signal. On: Wireless system is ready. Flashing: Transmitting or receiving data via wireless connection. 4 INTERNET LED Red: No power or no Internet connection.
6 E-WAN LED Off: No Ethernet connection. ON: Connection to Ethernet. 7 LAN LED Off: No power or no physical connection. On: Has physical connection to a local area network (LAN). 8 USB LED Off: No power or no physical connection with a USB device. On: Has physical connection with a USB device. USB 3.0 port 9 Insert a USB 3.0/2.0 device such as USB hard disk or USB flash drive into the port. Insert your iPad’s USB cable into the port to charge your iPad.
12 8 13 14 15 16 17 18 19 12 Reset button This button resets or restores the system to its factory default settings. 13 WPS button This button launches the WPS Wizard. 14 DSL port Connect to a splitter or to a telephone outlet via an RJ-11 cable. 15 LAN 1 ~ 4 ports Connect network cables into these ports to establish LAN connection. 16 WAN port Connect a network cable into this port to establish WAN connection. 17 USB 2.0 port Insert a USB 2.
2 Creating your network Positioning your router To get the best wireless network performance from your wireless router, follow the recommendations below: • Place the wireless router at the center of your network for maximum wireless coverage. • Keep the device away from metal obstructions and away from direct sunlight. • Keep the device away from 802.11g or 20MHz only Wi-Fi devices, 2.
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/1000Base-T) • IEEE 802.11a/b/g/n/ac wireless capability • An installed TCP/IP service • Web browser such as Microsoft Internet Explorer, Mozilla Firefox, Apple Safari, or Google Chrome • If your computer does not have built-in wireless capabilities, install an IEEE 802.11a/b/g/n/ac WLAN adapter to your computer to connect to the network.
Connecting your devices • Use a wired connection when setting up your wireless router to avoid possible wireless setup issues. • Before setting up your ASUS wireless router, do the following: • If you are replacing an existing router, disconnect it from your network. • Disconnect the cables/wires from your existing modem. If your modem has a backup battery, remove it as well. • Reboot your computer (recommended).
Wired connection Wall Power Outlet Power LAN Wall telephone outlet Computer To set up your ADSL/VDSL router using a wired connection: 1. Insert the splitter’s line connector to the phone outlet and connect your phone into the phone port. 2. Using the bundled phone cable, connect your DSL-AC88U Annex B’s DSL port to the splitter’s DSL port. 3. Using the bundled network cable, connect your computer to the ADSL/VDSL modem router’s LAN port.
Wireless connection Wall Power Outlet Power Wall telephone outlet Computer To set up your ADSL/VDSL router using a wireless connection: 1. Insert your wireless modem router’s AC adapter into the DC-IN port and plug it to a power outlet. 2. Using the bundled phone cable, connect your DSL-AC88U Annex B’s DSL port to the splitter’s DSL port. 3. Install an IEEE 802.11 a/b/g/n/ac WLAN adapter to your computer to connect to the wireless network.
Before you proceed Before configuring your wireless router, apply the steps described in this section to each computer on the network to avoid problems connecting to the wireless network. A. Disable any configured proxy servers. Windows® 7 / 8* The screenshots provided are for Windows® 7 only. The steps and options may be different for Windows® 8 and Windows® 8.1. 1. Click Start > Internet Explorer. 2. Click Tools > Internet options > Connections tab > LAN settings.
3. From the Local Area Network (LAN) Settings window, uncheck Use a proxy server for your LAN. 4. Click OK then Apply. MAC OSX 1. From your Apple Safari browser, click Safari > Preferences > Advanced. On the Proxies item, click Change Settings... 2. From the Network screen, uncheck FTP Proxy and Web Proxy (HTTP). 3. Click OK then Apply.
B. Configure TCP/IP settings to automatically obtain an IP address. Windows® 7 / 8 The screenshots provided are for Windows® 7 only. The steps and options may be different for Windows® 8 and Windows® 8.1. 1. Click Start > Control Panel > Network and Internet > Network and Sharing Center > Change adapter settings. 2. On the Network Connections window, click on Local Area Connection. 3. On the Local Area Connection Network Status window, click Properties.
4. Select Internet Protocol Version 4 (TCP/IPv4) or Internet Protocol Version 6 (TCP/IPv6), then click Properties. 6. Tick Obtain an IP address automatically. 7. Click OK.
MAC OSX 1. Click Apple Menu >System Preferences > Network 2. Click Ethernet on the left panel. 3. On the Configure IPv4, item select Using DHCP. 4. Click Apply.
Setting up your ADSL/VDSL router 1. Ensure that the DSL LED on the DSL-AC88U Annex B front panel is on and not flashing.
2. Launch your web browser. The QIS web page appears automatically and starts detecting your connection type, VPI/VCI value and encapsulation mode. If the QIS web page does not appear after you launched your web browser, disable the proxy settings on your web browser.
3 Network configuration using the web GUI Logging in to the web GUI Your ASUS Wireless Router uses a web-based user interface that allows you to configure the router using any web browser such as Internet Explorer, Mozilla Firefox, Apple Safari, or Google Chrome. To log in to the web GUI: 1. Launch your web browser and manually key in the wireless router’s default IP address: http://router.asus.com 2. On the login page, key in the default user name (admin) and password (admin).
3. The wireless router GUI provides access to various configuration 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 http://router.asus.com on your web browser. 2. On the login screen, key in the default user name (admin) and password (admin), then click OK. The wireless router’s web GUI launches. 3.
4. On the Wireless name (SSID) field, key in a unique name for your wireless network. 5. From the Authentication Method dropdown list, select the encryption method for your wireless network. 6. Key in your security passkey. 7. Click Apply.
Managing your network clients To manage your network clients: 1. Launch the wireless router’s web GUI. 2. On the Network Map screen, click the Clients icon to display information about your network clients.
Monitoring your USB device The ASUS Wireless Router provides one USB 3.0 port for connecting USB devices such as a USB storage device and USB printer. • • To use this feature, you need to plug a USB storage device, such as a USB hard disk or USB flash drive, to the USB 3.0 port on the rear panel of your wireless router. Ensure that the USB storage device is formatted and partitioned properly. Refer to the Plug-n-Share Disk Support List at http://event.asus.
3. On the AiDisk Wizard item, click GO to set up an FTP server for Internet file sharing. • For more details on setting up AiDisk, refer to the section Using the Network Place (Samba) Share service and Using the FTP Share service in this user manual. • This router works with most USB HDDs/Flash disks (up to 2TB size) and supports read-write access for FAT16, FAT32, EXT2, EXT3, and NTFS. • To safely remove the USB disk, launch the web GUI (http:// router.asus.
Creating your Guest Network Setting up a Guest Network provides wireless Internet connectivity for temporary visitors while restricting access to your private network. To create your guest network: 1. Click Guest Network on the left navigation panel. 2. Click Enable. 3. To configure additional options, click any of the items listed. 4. Assign a wireless name for your temporary network on the SSID field. 5. Select an Authentication Method. 6. Select a WPA Encryption method. 7.
Using the Traffic Manager Managing QoS (Quality of Service) Bandwidth The Quality of Service feature allows you to set the bandwidth priority and manage network traffic. To set up QoS: 1. Click Traffic Manager on the left navigation panel and click the QoS tab. 2. Click ON to enable QoS. 3. Input values for Upload Bandwidth. Your bandwidth information is available from your ISP. 4. Click Save. 5.
Monitoring Traffic Click the Traffic Monitor tab to view the network activity of your Internet, Wired, and Wireless connections for the last 24 hours, daily or in real-time.
Using USB application The USB application menu displays several options including AiDisk, Servers Center, and Network Printer Server. Using AiDisk for File Sharing AiDisk allows you to share files stored in a connected USB storage device through the network. Before using AiDisk, connect a USB storage device, such as a USB hard disk or USB flash drive, to the USB 3.0 port on the rear panel of your wireless router. The USB storage device should be formatted and partitioned properly.
To use AiDisk: 1. Click USB application on the left navigation panel and click the AiDisk icon. 2. From the Welcome to AiDisk wizard screen, click Go. 3. Assign access rights to the USB storage device. Select limitless access rights, limited access rights, and admin rights to define read-right privileges to files stored in the USB storage device. Click Next.
4. To set up your domain name via the ASUS DDNS service, select I will use the service and accept Terms of service and key in your preferred domain name. Your domain name will follow the format xxx.asuscomm.com, where xxx is your host name. 5. Click Next. 6. Click Finish. 7. To access the USB storage device via FTP from a client on the network, launch a web browser or a third-party FTP client utility and key in the FTP link (ftp://) you previously created.
Using the Servers Center Servers Center provides settings for Samba and FTP Shares. Using the Network Place (Samba) Share service The Network Place (Samba) Share feature allows Mac OSX, Windows, and Linux clients to access files on the USB storage device. To use Samba share: 1. Click USB application on the left navigation panel and click the Servers Center icon. 2. Click the Network place (Samba) Share tab. 3. Click Share with account. 4.
5. Assign a name for the user account and key in a password. Click Add. 6. Use the Modify and Delete buttons to change the password or remove the user account. 7. Select a user and assign the type of access rights for files or folders located in the storage device: • R/W: Select this option to assign read/write access for a specific file/folder. • R: Select this option to assign read only access for a specific file/folder. • No: Select this option if you do not want to share a specific file/folder. 8.
Using the FTP Share service Your ASUS wireless router can set up the connected USB storage device as an FTP server. To set up the FTP Share service: 1. Configure file sharing using the steps in Using AiDisk for File Sharing. 2. Click USB application on the left navigation panel and click the Servers Center icon. 3. Click the FTP Share tab. 4. Click Enable FTP. 5. Click Share with account. 6. Click the Add button to create accounts for users who will be accessing the USB storage device via FTP Server. 7.
8. Select the type of access rights for the storage device: • 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. • R: Select this option to assign read only access for a specific file/folder. • No: Select this option if you do not want to share a specific file/folder. 9. Click Apply. 10.To access the FTP server from a client on the network, key in ftp://.asuscomm.
Configuring Advanced settings Setting up the DHCP Server Your wireless router uses DHCP to assign IP addresses automatically on your network. You can specify the IP address range and lease time for the clients on your network. To configure the DHCP server: 1. Click LAN on the left navigation panel. 2. Click the DHCP Server tab. 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.
Upgrading the firmware Download the latest firmware from the ASUS website at https://www.asus.com/support To upgrade the firmware: 1. Click Administration from the left navigation panel. 2. Click the Firmware Upgrade tab. 3. In the New Firmware File item, click Choose File. Navigate to the downloaded firmware file. 4. Click Upload. If the upgrade process fails, the wireless router automatically enters rescue mode and the power LED indicator on the front panel starts flashing slowly.
Restoring/Saving/Uploading settings To restore/save/upload wireless router settings: 1. Click Administration on the left navigation panel. 2. Click the Restore/Save/Upload Setting tab. 3. Select a task from the configuration options: • To restore to default factory settings, click Restore, and click OK once prompted. • To save the current system settings, click Save, navigate to the folder where you intend to save the file and click Save.
4 Firmware Upgrade Download the latest firmware from the ASUS website at http://www.asus.com To upgrade the firmware: 1. From the navigation panel, go to Advanced Settings > Administration > Firmware Upgrade tab. 2. In the New Firmware File field, click Choose File to locate the downloaded file. 3. Click Upload. • When the upgrade process is complete, wait for some time for the system to reboot. • If the upgrade process fails, follow the Rescue mode process. For more details, refer to Troubleshooting.
5 Troubleshooting If you encounter problems that are not mentioned in this chapter, contact ASUS Technical Support. Troubleshooting I cannot access the router GUI for configuring the router. • Delete the cookies and temporary files in your web browser. To do this in Internet Explorer 8: 1. Launch your web browser, then click Tools > Internet Options. 2. On the General tab, click Delete under Browsing history. 3. Tick Temporary Internet Files and Cookies. Click Delete.
Authentication: • Use a wired connection to connect to the router. • Check the wireless security settings. • Press the Reset button at the rear panel for more than five seconds. Cannot find the router: • Press the Reset button at the rear panel for more than five seconds. • Check the settings in the wireless adapter such as SSID and encryption method. Cannot access the Internet using a wireless LAN adapter. • Place the router closer to the wireless client.
The DSL light is ON (steady and not blinking) and means Internet access is possible, but I still cannot browse the Internet. • Restart your computer. • Check if the WAN LED on the wireless router is on. • Check the wireless encryption settings. • Check if the computer can get an IP address (using both a wired or wireless connection). • Check that your web browser is configured to use the local LAN and is not configured to use a proxy server.
How do you restore the system to its default settings? • Press the Reset button at the rear panel of the wireless router for more than five seconds. • Refer to the section Restoring/Saving/Uploading settings of this user manual. The following are the factory default settings: User name: Password: IP address: SSID (2.4GHz): SSID (5GHz): admin admin router.asus.com Refer to the label at the bottom of the router Refer to the label at the bottom of the router Restoring the firmware via the Rescue mode.
4. From the interface, click Choose File, and browse for your firmware file. You can download the latest firmware file from the ASUS Support site at https://www.asus.com/support 5. Click Update Software. The process takes about two minutes to complete. 6. After the process is completed, the login page appears. If it does not appear, enter http://192.168.1.1 on your web browser.
ASUS DDNS Service The ASUS DSL-AC88U Annex B WiFi Modem Router supports the ASUS DDNS service. If you have registered for the ASUS DDNS service but need to exchange devices at the service center, inform the service center that you want to keep the original domain name and retain the DDNS service. Visit your local service center for more information.
3. I have registered a domain name before and it has been working well until my friends told me that they could not access my domain name. Check the following: 1. Internet connection is available. 2. The DNS server is working properly. 3. The last time you updated the domain name. If there are still problems in accessing your domain name, contact the service center. 4. Can I register two domain names so I can access my HTTP and FTP servers separately? No, you cannot.
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.
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.
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 – Article 3.1a Testing for electric safety according to EN 60950-1 has been conducted. These are considered relevant and sufficient.
Radio Frequency (RF) Exposure Information The radiated output power of the Wireless Device is below the Industry Canada (IC) radio frequency exposure limits. The Wireless Device should be used in such a manner such that the potential for human contact during normal operation is minimized.
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