ASUS Wireless-AC1750 Dual Band Gigabit Router Manual

Quick Start Guide

WEU15297 / Revised Edition V6 / March 2019

WEU15065_RT-AC66U_B1_QSG_V5.indb 1           2019/3/5 14:59:32

RT-AC66U B1                AC adapter
RJ-45 cable                    Quick Start Guide
Warranty card

NOTE: If any of the items is damaged or missing, contact your retailer.

1. USB 3.0 port
2. LAN LED
3. WAN LED
4. 2.4GHz/5GHZ LED
5. Power LED
6. Power (DC-IN) port
7. Power switch
8. USB 2.0 port
9. Reset button
10. WAN port
11. LAN ports
12. WPS button

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NOTES:

• USB External HDD/Flash disk:

• The wireless router works with most USB HDDs/Flash disks up to 2TB 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.com), then in the Network Map page’s upper right corner, click the USB icon and click Eject USB 1.
• Incorrect removal of the USB disk may cause data corruption.
• For the list of file system and hard disk partitions that the wireless router supports, visit http://event.asus.com/networks/disksupport

• For the list of printers that the wireless router supports, visit http://event.asus.com/networks/printersupport

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For the best wireless signal transmission between the wireless router and the network devices connected to it, ensure that you:

• Place the wireless router in a centralized area for a maximum wireless coverage for the network devices.
• 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, 2.4GHz computer peripherals, Bluetooth devices, cordless phones, transformers, heavy-duty motors, fluorescent lights, microwave ovens, refrigerators, and other industrial equipment to prevent signal interference or loss.
• To ensure the best wireless signal, orient the three detachable antennas as shown in the drawing below.
• For optimum performance, adjust the internal cooling system. Refer to the user manual for details.
• Always update to the latest firmware. Visit the ASUS website at http://www.asus.com to get the latest firmware updates.

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1. Unplug and disconnect the wires/cables from your existing modem setup and release your computer’s outmoded IP address.

a: Unplug the AC adapter from the power outlet and disconnect it from your cable/ADSL modem.
b: Disconnect the network cable from your cable/ADSL modem.
c: Reboot your computer (recommended).

WARNING! Before disconnecting the wires/cables, ensure that your cable/ADSL modem has been turned off for at least two minutes. If your modem has a backup battery, remove it as well.

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2. Set up your wireless environment.

a: Insert your wireless router’s AC adapter to the DC-IN port and plug it to a power outlet.
b: Using the bundled network cable, connect your computer to your wireless router’s LAN port.

IMPORTANT! Ensure that the WAN and LAN LEDs are blinking.

c: Using another network cable, connect your modem to your wireless router’s WAN port.
d: Insert your modem’s AC adapter to the DC-IN port and plug it to a power outlet.

3. Disable some settings on your computer.

NOTE: For more details on disabling your computer settings, refer to Frequently Asked Questions (FAQs).

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1. Configure your wireless settings via the wireless router’s web graphics user interface (web GUI).

a: Launch your web browser such as Internet Explorer, Firefox, Google Chrome, or Safari.

  ⇒  

a                                     b

NOTE: If QIS does not launch automatically, follow these steps to manually launch QIS:
• On your web browser, key in http://router.asus.com and run the Quick Internet Setup (QIS) Wizard again.
• Disable the proxy settings, dial-up connection, and set your TCP/IP settings to automatically obtain an IP address. For more details, refer to the FAQs section for auto-diagnosis.

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b: The wireless router’s Quick Internet Setup (QIS) feature automatically detects if your ISP connection type is Dynamic IP, PPPoE, PPTP, L2TP, and Static IP. Key in the necessary information for your connection type.

NOTE: 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.

IMPORTANT! Obtain the necessary information about your Internet connection type from your Internet Service Provider (ISP).

c: Assign the network name (SSID) and security key for your 2.4GHz and 5GHz wireless connection. Click Apply when done.
d: Your Internet and wireless settings are displayed. Click Next to continue.
e: Read the wireless network connection tutorial. When done, click Finish.

NOTE: You can assign a network name with up to 32 characters.

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1. Click Start > Internet Explorer to launch the web browser.
2. Click Tools > Internet options > Connections tab > LAN settings.

3. From the Local Area Network (LAN) Settings screen, untick Use a proxy server for your LAN.
4. Click OK when done.

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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. Click Apply Now when done.

NOTE: Refer to your browser’s help feature for details on disabling the proxy server.

Windows® 7
1. Click Start > Control Panel > Network and Internet > Network and Sharing Center > Manage network connections.
2. Select Internet Protocol Version 4 (TCP/IPv4), then click Properties.

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3. To obtain the iPv4 IP settings automatically, tick Obtain an IP address automatically.
4. Click OK when done.

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. Click Apply Now when done.

NOTE: Refer to your operating system’s help and support feature for details on configuring your computer’s TCP/IP settings.

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Windows® 7
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 settings.

Out of Range:

• Put the router closer to the wireless client.
• Try to change the channel settings.

Authentication:

• Use 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.

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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.

• Move the router closer to the wireless client.
• Check whether the wireless adapter is connected to the correct wireless router.
• Check whether the wireless channel in use conforms to the channels available in your country/area.
• Check the encryption settings.
• Check if the ADSL or Cable connection is correct.
• Retry using another Ethernet cable.

• Ensure that all your cables are all properly connected.
• Disconnect the power cord from the ADSL or cable modem, wait a few minutes, then reconnect the cord.
• If the ADSL light continues to blink or stays OFF, contact your ADSL service provider.

• Try setting up the wired connection and configuring the wireless encryption again.
• Press the Reset button of the wireless router for more than five seconds.
• Factory default settings:

User name / Password: admin / admin

IP address: http://router.asus.com

SSID: Check the rating label on the back side of your router

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• Online FAQ site:
• Technical Support site:
• Customer Hotline: Refer to the Support Hotline in this Quick Start Guide

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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.

Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://csr.asus.com/english/REACH.htm

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

• This device may not cause harmful interference.
• This device must accept any interference received, including interference that may cause undesired operation.

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.
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. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

WARNING! Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

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This device and its antenna(s) must not be co-located or operating in conjunction with any other antenna or transmitter.

Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End users must follow the specific operating instructions for satisfying RF exposure compliance. To maintain compliance with FCC exposure compliance requirement, please follow operation instruction as documented in this manual.

WARNING! This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.

This device complies with Innovation, Science and Economic Development Canada licence exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.

Operation in the band 5150–5250 MHz is only for indoor use to reduce the potential for harmful interference to co-channel mobile satellite systems.

CAN ICES-3(B)/NMB-3(B)

The radiated output power of the ASUS Wireless Device is below the Innovation, Science and Economic Development Canada 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.

This equipment should be installed and operated with a minimum distance of 20 cm between the radiator any part of your body.

This device has been certified for use in Canada. Status of the listing in the Innovation, Science and Economic Development Canada’s REL (Radio Equipment List) can be found at the following web address:
http://www.ic.gc.ca/eic/site/ceb-bhst.nsf/eng/h_tt00020.html

Additional Canadian information on RF exposure also can be found at the following web:
https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf08792.html

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Manufacturer	ASUSTeK Computer Inc. Tel: +886-2-2894-3447 Address: 4F, No. 150, LI-TE RD., PEITOU, TAIPEI 112, TAIWAN
Authorised representative in Europe	ASUS Computer GmbH Address:
Authorised distributors in Turkey	BOGAZICI BILGISAYAR TICARET VE SANAYI A.S. Tel./FAX No.: +90 212 331 10 00 / +90 212 332 28 90 Address: ESENTEPE MAH. BUYUKDERE CAD. ERCAN HAN B BLOK NO.121 SISLI, ISTANBUL 34394
	CIZGI Elektronik San. Tic. Ltd. Sti. Tel./FAX No.: +90 212 356 70 70 / +90 212 356 70 69 Address: GURSEL MAH. AKMAN SK.47B 1 KAGITHANE/ISTANBUL
	KOYUNCU ELEKTRONiK BiLGi iSLEM SiST. SAN. VE DIS TIC. A.S. Tel. No.: +90 216 5288888 Address: EMEK MAH.ORDU CAD. NO:18, SARIGAZi, SANCAKTEPE ISTANBUL
	ENDEKS BİLİŞİM SAN VE DIŞ TİC LTD ŞTİ Tel./FAX No.: +90 216 523 35 70 / +90 216 523 35 71 Address:
	PENTA TEKNOLOJI URUNLERI DAGITIM TICARET A.S Tel./FAX No.: +90 216 528 0000 Address:

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Region	Country/ Area	Hotline Number	Service Hours
Europe	Cyprus	800-92491	09:00-13:00 ; 14:00-18:00 Mon-Fri
	France	0033-170949400	09:00-18:00 Mon-Fri
	Germany	0049-1805010920 0049-1805010923 (component support) 0049-2102959911 (Fax)	09:00-18:00 Mon-Fri 10:00-17:00 Mon-Fri
	Hungary	0036-15054561	09:00-17:30 Mon-Fri
	Italy	199-400089	09:00-13:00 ; 14:00-18:00 Mon-Fri
	Greece	00800-44142044	09:00-13:00 ; 14:00-18:00 Mon-Fri
	Austria	0043-820240513	09:00-18:00 Mon-Fri
	Netherlands/ Luxembourg	0031-591570290	09:00-17:00 Mon-Fri
	Belgium	0032-78150231	09:00-17:00 Mon-Fri
	Norway	0047-2316-2682	09:00-18:00 Mon-Fri
	Sweden	0046-858769407	09:00-18:00 Mon-Fri
	Finland	00358-969379690	10:00-19:00 Mon-Fri
	Denmark	0045-38322943	09:00-18:00 Mon-Fri
	Poland	0048-225718040	08:30-17:30 Mon-Fri
	Spain	0034-902889688	09:00-18:00 Mon-Fri
	Portugal	00351-707500310	09:00-18:00 Mon-Fri
	Slovak Republic	00421-232162621	08:00-17:00 Mon-Fri
	Czech Republic	00420-596766888	08:00-17:00 Mon-Fri
	Switzerland-German	0041-848111010	09:00-18:00 Mon-Fri
	Switzerland-French	0041-848111014	09:00-18:00 Mon-Fri
	Switzerland-Italian	0041-848111012	09:00-18:00 Mon-Fri
	United Kingdom	0044-1442265548	09:00-17:00 Mon-Fri
	Ireland	0035-31890719918	09:00-17:00 Mon-Fri
	Russia and CIS	008-800-100-ASUS	09:00-18:00 Mon-Fri
	Ukraine	0038-0445457727	09:00-18:00 Mon-Fri

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Region	Country/ Area	Hotline Number	Service Hours
Asia-Pacific	Australia	1300-278788	09:00-18:00 Mon-Fri
	New Zealand	0800-278788	09:00-18:00 Mon-Fri
	Japan	0800-1232787	09:00-18:00 Mon-Fri 09:00-17:00 Sat-Sun
		0081-570783886 ( Non-Toll Free )	09:00-18:00 Mon-Fri 09:00-17:00 Sat-Sun
	Korea	0082-215666868	09:30-17:00 Mon-Fri
	Thailand	0066-24011717 1800-8525201	09:00-18:00 Mon-Fri
	Singapore	0065-64157917	11:00-19:00 Mon-Fri
		0065-67203835 ( Repair Status Only )	11:00-19:00 Mon-Fri 11:00-13:00 Sat
	Malaysia	1300-88-3495	9:00-18:00 Mon-Fri
	Philippine	1800-18550163	09:00-18:00 Mon-Fri
	India India(WL/NW)	1800-2090365	09:00-18:00 Mon-Sat 09:00-21:00 Mon-Sun
	Indonesia	0062-2129495000	09:30-17:00 Mon-Fri
		500128 (Local Only)	9:30 – 12:00 Sat
	Vietnam	1900-555581	08:00-12:00 13:30-17:30 Mon-Sat
	Hong Kong	00852-35824770	10:00-19:00 Mon-Sat
	Taiwan	0800-093-456; 02-81439000	9:00-12:00 Mon-Fri; 13:30-18:00 Mon-Fri
Americas	USA Canada	1-812-282-2787	8:30-12:00 EST Mon-Fri 9:00-18:00 EST Sat-Sun
	Mexico	001-8008367847	08:00-20:00 CST Mon-Fri 08:00-15:00 CST Sat
	Brazil	4003 0988 (Capital) 0800 880 0988 (demais localidades)	9:00am-18:00 Mon-Fri

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Region	Country/ Area	Hotline Number	Service Hours
Middle East + Africa	Egypt	800-2787349	09:00-18:00 Sun-Thu
	Saudi Arabia	800-1212787	09:00-18:00 Sat-Wed
	UAE	00971-42958941	09:00-18:00 Sun-Thu
	Turkey	0090-2165243000	09:00-18:00 Mon-Fri
	South Africa	0861-278772	08:00-17:00 Mon-Fri
	Israel	*6557/00972-39142800 *9770/00972-35598555	08:00-17:00 Sun-Thu 08:30-17:30 Sun-Thu
Balkan Countries	Romania	0040-213301786	09:00-18:30 Mon-Fri
	Bosnia Herzegovina	00387-33773163	09:00-17:00 Mon-Fri
	Bulgaria	00359-70014411 00359-29889170	09:30-18:30 Mon-Fri 09:30-18:00 Mon-Fri
	Croatia	00385-16401111	09:00-17:00 Mon-Fri
	Montenegro	00382-20608251	09:00-17:00 Mon-Fr
	Serbia	00381-112070677	09:00-17:00 Mon-Fr
	Slovenia	00368-59045400 00368-59045401	08:00-16:00 Mon-Fr
Baltic Countries	Estonia	00372-6671796	09:00-18:00 Mon-Fri
	Latvia	00371-67408838	09:00-18:00 Mon-Fri
	Lithuania-Kaunas	00370-37329000	09:00-18:00 Mon-Fri
	Lithuania-Vilnius	00370-522101160	09:00-18:00 Mon-Fri

NOTES:
• UK support e-mail: [email protected]
• For more information, visit the ASUS support site at: https://www.asus.com/support/

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Simplified EU Declaration of Conformity
ASUSTek Computer Inc. hereby declares that this device is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. Full text of EU declaration of conformity is available at https://www.asus.com/Networking/RT-AC66U-B1/HelpDesk_Declaration/.
Declaration of Conformity for Ecodesign directive 2009/125/EC
Testing for eco-design requirements according to (EC) No 1275/2008 and (EU) No 801/2013 has been conducted. When the device is in Networked Standby Mode, its I/O and network interface are in sleep mode and may not work properly. To wake up the device, press the Wi-Fi on/off, LED on/off, reset, or WPS button.
This equipment complies with EU radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20 cm between the radiator & your body.
All operational modes:
2.4GHz: 802.11b, 802.11g, 802.11n (HT20), 802.11n (HT40), 802.11ac (VHT20), 802.11ac (VHT40)
5GHz: 802.11a, 802.11n (HT20), 802.11n (HT40), 802.11ac (VHT20), 802.11ac (VHT40), 802.11ac (VHT80)
The frequency, mode and the maximum transmitted power in EU are listed below:
2400-2483.5MHz (802.11ac VHT40 NCS0/Nss1): 19.81 dBm
5150-5250MHz (802.11ac VHT80 NCS0/Nss1): 22.07 dBm
5250-5350MHz (802.11ac VHT80 NCS0/Nss1): 22.1 dBm
5470-5725MHz (802.11ac VHT40 NCS0/Nss1): 29.21 dBm
The device is restricted to indoor use only when operating in the 5150 to 5350 MHz frequency range.
The adapter shall be installed near the equipment and shall be easily accessible.

	AT	BE	BG	CZ	DK	EE	FR
	DE	IS	IE	IT	EL	ES	CY
	LV	LI	LT	LU	HU	MT	NL
	NO	PL	PT	RO	SI	SK	TR
	FI	SE	CH	UK	HR	UA

• Use this product in environments with ambient temperatures between 0°C(32°F) and 40°C(104°F).
• Refer to the rating label on the bottom of your product and ensure your power adapter complies with this rating.
• DO NOT place on uneven or unstable work surfaces. Seek servicing if the casing has been damaged.
• DO NOT place or drop objects on top and do not shove any foreign objects into the product.
• DO NOT expose to or use near liquids, rain, or moisture. DO NOT use the modem during electrical storms.
• DO NOT cover the vents on the product to prevent the system from getting overheated.
• DO NOT use damaged power cords, accessories, or other peripherals.
• If the Adapter is broken, do not try to fix it by yourself. Contact a qualified service technician or your retailer.
• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system.

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