Asus RT-N12E User Manual (English)

Questions and Answers:

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Patrick DanielsJul 26, 2025
How to restore Asus RT-N12E Wireless Router to its default settings?
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  Stephen MartinJul 26, 2025
  To restore your Asus Wireless Router to its default settings, press the Restore button on the rear panel for more than five seconds. The default settings are: 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.
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Eric HansonJul 31, 2025
What to do if ADSL “LINK” light blinks continuously on Asus RT-N12E Wireless Router?
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  Dylan MontoyaJul 31, 2025
  If your ADSL “LINK” light blinks continuously or stays off, it means your Asus Wireless Router can't connect to the ADSL network, and Internet access is not possible. Ensure all cables are properly connected. Disconnect the power cord from the ADSL or cable modem, wait a few minutes, then reconnect it. If the ADSL light continues to blink or stays off, contact your ADSL service provider.
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David BooneAug 4, 2025
What to do if I cannot access the Internet via wireless LAN adapter on Asus RT-N12E Wireless Router?
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  Nicholas CooperAug 4, 2025
  If you cannot access the Internet via your Asus Wireless Router, check if the wireless adapter is connected to the correct wireless router. Also, verify whether the wireless channel in use conforms to the channels available in your country/area. Check the encryption settings and ensure the ADSL or Cable connection is correct. You may also try using another Ethernet cable and move the router closer to the wireless client.
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Jackson FullerAug 8, 2025
Why client cannot establish a wireless connection with Asus RT-N12E?
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  nicholas12Aug 8, 2025
  If your client cannot establish a wireless connection with the Asus Wireless Router, it might be due to several reasons. You could be out of range, so try moving the router closer to the wireless client or change the channel settings. Authentication issues might also be the cause, in which case you can use a wired connection to connect to the router, check the wireless security settings, or press the Restore button on the rear panel for more than five seconds. If you cannot find the router, try pressing the Restore button or check the settings in the wireless adapter, such as SSID and encryption settings.
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Jesus MurrayAug 13, 2025
What to do if ADSL Modem “Link” light is ON on Asus RT-N12E Wireless Router?
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  greerkaitlynAug 13, 2025
  If the ADSL Modem “Link” light is ON (not blinking) on your Asus Wireless Router, it means Internet Access is possible. In this case, try restarting your computer. Reconfigure the settings by referring to the Quick Start Guide. Check if the WAN LED on the wireless router is ON. Verify the wireless encryption settings. Ensure that your computer can get the IP address (via both wired and wireless networks) and that your web browser is configured to use the local LAN, not a proxy server.
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Mark CampbellAug 17, 2025
What to do if I forgot Network name or encryption keys of Asus Wireless Router?
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  Diane YangAug 17, 2025
  If you've forgotten the network name or encryption keys for your Asus Wireless Router, try setting up a wired connection and configuring the wireless encryption again. Alternatively, press the Restore button on the rear panel of the wireless router for more than five seconds.
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Michael AguirreAug 21, 2025
Why I cannot use 192.168.1.1 to access the main page of Asus Wireless Router?
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  michael08Aug 21, 2025
  To access the main page of your Asus Wireless Router, check the router’s operation mode. In Router mode, the default IP address is 192.168.1.1. If it is in AP mode, use Device Discovery to find the router’s IP address.

Asus RT-N12E Specifications

General

Ethernet LAN	Yes
Cabling technology	10/100Base-T(X)
Networking standards	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Wi-Fi band	No
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Top Wi-Fi standard	Wi-Fi 4 (802.11n)
WLAN data transfer rate (max)	300 Mbit/s
Bandwidth	2.4 GHz
Input current	0.5 A
Rack mounting	-
WLAN data transfer rates supported	1, 2, 6, 9, 11, 12, 18, 24, 36, 48, 54, 300 Mbit/s
Ethernet LAN (RJ-45) ports	4
Antennas quantity	2
Antenna gain level (max)	2 dBi
Security algorithms	WEP, WPA, WPA2, WPS
AC input voltage	110 - 240 V
AC input frequency	50 - 60 Hz
Storage temperature (T-T)	-20 - 70 °C
Operating temperature (T-T)	0 - 45 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 90 %
Product color	Black, Metallic
LED indicators	LAN, Power, WAN