TUF Gaming TUFAX5400 - Wireless Router ASUS - Free user manual and instructions
Find the device manual for free TUF Gaming TUFAX5400 ASUS in PDF.
| Brand | ASUS |
| Model | TUF Gaming TUFAX5400 |
| Product type | Wireless Router |
| Wi-Fi Standards | 802.11ax (Wi-Fi 6), dual band (2.4 GHz and 5 GHz) |
| Antennas | 6 external adjustable antennas |
| Ports | 4 Gigabit LAN ports, 1 Gigabit WAN port, 1 USB 3.2 Gen1 port |
| Buttons | WPS, Reset, Power |
| Power supply | DC power adapter 12V / 2.5A |
| Operating temperature | 0°C to 40°C |
| Operating humidity | 50% to 90% |
| Configuration | Via web interface (http://router.asus.com) or ASUS Router mobile app |
| Security | Password protection, Wi-Fi encryption (WPA2/WPA3) |
| Package contents | Router, power adapter, RJ-45 network cable, quick start guide |
| Care and cleaning | Disconnect before cleaning, use a soft dry cloth |
| Spare parts and repairability | Contact ASUS support for any replacement |
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USER MANUAL TUF Gaming TUFAX5400 ASUS
Quick Start Guide
U18187 / First Edition / April 2021



Table of contents
English....3
Arabic....9
Bulgarian....15
Croatian....21
Czech....27
Danish....33
Dutch....39
Estonian....45
French....51
Finnish....57
German....63
Greek....69
Hungarian 75
Italian 81
Lithuanian....87
Latvian....93
Norwegian....99
Portuguese....105
Polish....111
Russian....117
Romanian....123
Spanish....129
Serbian 135
Slovak....141
Slovenian....147
Swedish 153
Turkish 159
Ukrainian....165
171






Package contents
TUF-AX5400 Wireless Router AC adapter Network cable (RJ-45) Quick Start Guide
A quick look at TUF-AX5400

| 1 WAN (Internet) LED Power button | 7 |
| 2 LAN 1 ~ 4 LEDs USB 3.2 Gen 1 port | 8 |
| 3 5GHz LED LAN 1 ~ 4 ports | 9 |
| 4 2.4GHz LED WAN (Internet) port | 10 |
| 5 Power LED WPS button | 11 |
| 6 Power (DC-IN) port Reset button | 12 |
Position your wireless router
For optimal wireless transmission between the wireless router and connected wireless devices, ensure that you:
- Place the wireless router in a centralized area for maximum wireless coverage for the network devices.
- Keep the wireless router away from metal obstructions and away from direct sunlight.
- Keep the wireless router 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. 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 six non-detachable antennas as shown in the drawing below.

NOTES:
- Use only the adapter that came with your package. Using other adapters may damage the device.
- Specifications:
| DC Power adapter DC Output: +12V with 2.5A current | |||
| Operating Temperature | 0~40 °C Storage | 0~70 | °C |
| Operating Humidity | 50~90% Storage | 20~90% | |



Preparing your modem
- Unplug the power cable/DSL modem. If it has a battery backup, remove the battery.
NOTE: If you are using DSL for Internet, you will need your username/password from your Internet Service Provider (ISP) to properly configure the router.

- Connect your modem to the router with the bundled network cable.

- Power on your cable/DSL modem.
- Check your cable/DSL modem LED lights to ensure the connection is active.
![graph TD A["Power Icon"] --> B["Download Icon"] B --> C["Upload Icon"] C --> D["Global Icon"] D --> E["Product Icon"] style A fill:#f9f,stroke:#333 style B fill:#ccf,stroke:#333 style C fill:#cfc,stroke:#333 style D fill:#fcc,stroke:#333 style E fill:#cff,stroke:#333](/content/2026/03/544167/images/573441b0c42dd8cb68c44fce299fa85a24a8f67fddc5c90cbcdfecdc62232549.jpg)



Setting up your TUF-AX5400
You can set up your router via wired or wireless connection.
A. Wired connection
- Plug your router into a power outlet and power it on. Connect the network cable from your computer to a LAN port on your router.

- The web GUI launches automatically when you open a web browser. If it does not auto-launch, enter http://router.asus.com.
- Set up a password for your router to prevent unauthorized access.


B. Wireless connection
- Plug your router into a power outlet and power it on.
![graph TD A["TDF-4XS500"] -->|Wireless Signal| B["Smart phone"] A -->|Wireless Signal| C["Laptop"] A -->|Wireless Signal| D["Tablet"] A -->|Wireless Signal| E["Wall Power Outlet"] A -->|Wireless Signal| F["Central Interface"] A -->|Wireless Signal| G["External Control Unit"] style A fill:#f9f,stroke:…](/content/2026/03/544167/images/7c26f024667a4334c976469d10b329df2276e6b9e689373488a6c2cebd66df78.jpg)



- Connect to the network with SSID shown on the product label on the back side of the router. For better network security, change to a unique SSID and assign a password.

Wi-Fi Name (SSID): ASUS_XX
* XX refers to the last two digits of the 2.4GHz MAC address. You can find it on the label on the back of your router.
- You can choose either the web GUI or ASUS Router app to set up your router. a. Web GUI Setup
- Once connected, the web GUI launches automatically when you open a web browser. If it does not auto-launch, enter http://router.asus.com.
- Set up a password for your router to prevent unauthorized access.




b. App Setup
Download the ASUS Router App to set up your router via your mobile devices.
- Turn on Wi-Fi on your mobile devices and connect to your router's network.
- Follow the ASUS Router App setup instructions to complete the setup.
ASUS
Router


ASUS Router
Remembering your wireless router settings
- Remember your wireless settings as you complete the router setup.
| Router Name: Password: | |
| 2.4 GHz network SSID: Password: | |
| 5GHz network SSID: Password: |
FAQ
- Where can I find more information about the wireless router?
• Technical support site: https://www.asus.com/support - Customer hotline: refer to the Support Hotline section in this Quick Start Guide.



Package contents
Notes:
3. Turn on the modem/DSL
B. Wireless connection


NOTE:

C. Wireless connection
Wi-Fi name (SSID): ASUS_XX
NOTES:
- Use only the adapter that came with the package. Using other adapters may damage the device.
- Technical specifications:
| Adapter DC napajanja | DC izlaz: +12 V s maksimalnom strujom od 2,5 A | ||
| Radna temperatura | 0 ~ 40 °C Pohrana 0 ~ 70 | °C | |
| Radna vlažnost 50~90% Pohrana 20~90% | |||



Preparing the modem
- Unplug the power cable/DSL modem. If there is battery power, remove the battery.
- Turn on the cable/DSL modem.
- Check the LED indicators on the cable/DSL modem to verify the connection activity.




Setting up the TUF-AX5400 device
You can set up the TUF-AX5400 via a wired or wireless connection.
A. Wired connection
B. Wireless connection
Wi-Fi name (SSID): ASUS_XX
* XX refers to the last two digits of the 2.4 GHz MAC address. You can find them on the label on the back of the TUF-AX5400 device.
- To set up the router, you can choose the web GUI or the ASUS Router app.
a. Web GUI setup
- The web GUI launches automatically when you open a web browser. If it does not launch automatically, enter http://router.asus.com.
b. App setup
NOTE:







NOTES:



Danish
How to set up your router




NOTE:



Dutch
Installing the router

B. Wireless connection



Dutch
b. App settings
NOTES:

B. Wireless connection
Wi-Fi name (SSID): ASUS_XX



b. App settings
NOTES:

B. Wi-Fi connection



b. Configuration via the app
NOTE:
B. Wireless connection
Wi-Fi name (SSID): ASUS_XX



NOTES:
Wi-Fi name (SSID): ASUS_XX
NOTES:
B. Wireless connection
Wi-Fi name (SSID): ASUS_XX



NOTES:
Wi-Fi name (SSID): ASUS_XX
NOTE:
Wi-Fi network name (SSID): ASUS_XX
NOTES:



Lieuviy
TUF-AX5400 setup

B. Wireless connection 1. Connect the router to a power outlet and turn it on.







NOTES:



Wi-Fi name (SSID): ASUS_XX

| 1 WAN (Internett) LED Strømbryter | 7 |
| 2 LAN 1~4 LED USB 3.2 Gen 1-porter | 8 |
| 3 5GHz LED LAN 1~4 porter | 9 |
| 4 2,4GHz LED WAN (Internett) porter | 10 |
| 5 Strøm LED WPS-knapp | 11 |
| 6 Strømport (DC) Reset (Nullstill)-knapp | 12 |
Place the router
NOTES:
- Turn on the cable/DSL modem.
- Check the LED on the cable/DSL modem to ensure the connection is active.
![graph TD A["Power Icon"] --> B["Download Icon"] B --> C["Upload Icon"] C --> D["Global Icon"] D --> E["Products Icon"] style A fill:#f9f,stroke:#333 style B fill:#ccf,stroke:#333 style C fill:#cfc,stroke:#333 style D fill:#fcc,stroke:#333 style E fill:#cff,stroke:#333](/content/2026/03/544167/images/726415ef4fef7c1505aee9b427cc78ebd35853227cfed05d15a2bf80a3ca140c.jpg)



Set up TUF-AX5400
- The web interface starts automatically when you open a browser. If not, go to http://router.asus.com.
- Set a password on the router to prevent unauthorized access.

b. Setup with app
Download the ASUS Router app to configure the router via a mobile device.
NOTES:



Configure the TUF-AX5400

B. Wireless connection
NOTES:
NOTES:
Wi-Fi name (SSID): ASUS_XX



NOTE:



NOTES:




NOTES:
- Use only the adapter that came with the package. Using other adapters may damage the device.
- Specifications:
| Adapter za jednosmernu struju | Izlaz jednosmerne struje: +12 V sa maks. strujom od 2,5 A | ||
| Radna temperatura | 0°C–40°C Skladištenje | 0°C–70°C | |
| Radna vlažnost | 50%–90% Skladištenje | 20%–90% | |



Preparing your modem
- Turn on your cable/DSL modem.
- Check the LED lights on your cable/DSL modem to verify that the connection is active.
![graph TD A["Power Icon"] --> B["Download Icon"] B --> C["Upload Icon"] C --> D["Global Icon"] D --> E["Products Icon"] style A fill:#f9f,stroke:#333 style E fill:#bbf,stroke:#333](/content/2026/03/544167/images/70debdfce3b515c071c16d6077bdae3d57d70eaceb7b1675ada4cf548b094847.jpg)
Setting up your TUF-AX5400
- The network GUI starts automatically when you open an internet browser. If it does not start automatically, enter http://router.asus.com.
- Set a password for your router to prevent unauthorized access.

Wi-Fi name (SSID): ASUS_XX



b. App setup
NOTES:
- Turn on the cable/DSL modem.
- Check the LED indicators on the DSL modem/power cable and make sure the connection is active.
![graph TD A["Power Icon"] --> B["Download Icon"] B --> C["Upload Icon"] C --> D["Global Icon"] D --> E["Product Icon"] style A fill:#f9f,stroke:#333 style B fill:#ccf,stroke:#333 style C fill:#cfc,stroke:#333 style D fill:#fcc,stroke:#333 style E fill:#cff,stroke:#333](/content/2026/03/544167/images/c62e0b6b5a3fffbbba4511fb77d1987817aca605805bfcfe62e8f597e330d044.jpg)







b. App Setup
NOTES:
- Turn on the cable modem/DSL modem.
- Check the LED lights on the cable modem/DSL modem and make sure the connection is active.
![graph TD A["Power Icon"] --> B["Download Icon"] B --> C["Upload Icon"] C --> D["Global Icon"] D --> E["Storage System"] style A fill:#f9f,stroke:#333 style E fill:#bbf,stroke:#333](/content/2026/03/544167/images/9503bff6caa34b9d9c917c92754db51901260f47aef2372b13758fa9857bced4.jpg)




B. Wireless connection
Wi-Fi network name (SSID): ASUS_XX
NOTES:
Wi-Fi name (SSID): ASUS_XX
b. App setup
NOTES:

Wi-Fi name (SSID): ASUS_XX
- Technical support website: https://www.asus.com/support
NOTES:
![graph TD A["Power Icon"] --> B["Download Icon"] B --> C["Upload Icon"] C --> D["Global Icon"] D --> E["Products Icon"] F["Vertical Bar"] --> G["Power Icon"] G --> H["Download Icon"] H --> I["Upload Icon"] I --> J["Global Icon"] J --> K["Products Icon"]](/content/2026/03/544167/images/0a525fa1cee297aec499e9e395fa40785fdcc362dbdbd91cbcb343b32902ad16.jpg)




Wi-Fi name (SSID): ASUS_XX



Urekhinska
802.11g Wi-Fi, 2.4GHz, 20MHz, Bluetooth,
Hebrew
•
Hebrew
| 2.5A הכלה +12V :DC הכלה | DC הכלה הכלה | ||
| 70°C~0°C | הכלה | 40°C~0°C | הכלה הכלה |
| 90%~20% | הכלה | 90%~50% | הכלה הכלה |



Hebrew





ASUS
Router



ASUS Router
Hebrew.