1. Introduzione
This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your ARRIS SURFboard mAX W21 AX6600 WiFi 6 Mesh Router. The SURFboard mAX W21 is designed to deliver high-speed, reliable WiFi 6 connectivity throughout your home, supporting advanced features like parental controls, Quality of Service (QoS), and smart home integration.

Figure 1: ARRIS SURFboard mAX W21 AX6600 WiFi 6 Mesh Router.
2. Contenuto della confezione
Verifica che il pacco contenga i seguenti articoli:
- One (1) ARRIS SURFboard mAX AX6600 Tri-band WiFi 6 Router (Model W21)
- Un (1) adattatore di alimentazione
- Un (1) cavo Ethernet
- Guida rapida (se inclusa)

Figure 2: The ARRIS SURFboard mAX W21 Router and its retail packaging.
3. Impostazione
3.1 Posizionamento iniziale
Place your SURFboard mAX W21 router in a central location within your home, away from obstructions and other electronic devices that may cause interference. Ensure it is near a power outlet and your internet modem.

Figure 3: Optimal placement of the ARRIS SURFboard mAX W21 Router on a shelf.
3.2 Collegamento del router
- Connect one end of the Ethernet cable to the LAN port on your internet modem.
- Connect the other end of the Ethernet cable to the WAN/Internet port on your SURFboard mAX W21 router.
- Collegare l'adattatore di alimentazione alla porta di alimentazione del router e quindi collegarlo a una presa di corrente.
- Wait for the router's LED indicator to show a stable blue light, indicating it is ready for setup.
3.3 Using the SURFboard Central App for Setup
The SURFboard Central app provides step-by-step instructions for a simple and secure setup process. It is required for initial configuration and ongoing management of your network.
- Scarica il Tavola da SURF Centrale app dall'app store del tuo dispositivo mobile (disponibile per iOS e Android).
- Open the app and follow the on-screen prompts to create an account and begin the setup process.
- The app will guide you through connecting to your new WiFi network and configuring its settings, including network name (SSID) and password.

Figure 4: The SURFboard Central app facilitates easy setup and network management.
Video 1: Un overview of the ARRIS SURFboard mAX W121, highlighting its benefits for home network users.
4. Utilizzo del router
Once set up, the SURFboard Central app becomes your control center for managing your home network. It provides real-time monitoring and optimization features.
4.1 Rete ospite
Create a separate guest network to provide internet access to visitors without sharing your main network password. This enhances security and privacy for your primary devices.
Video 2: Demonstrates the ease of setting up a guest network using the SURFboard mAX system.
4.2 Controllo genitori
Manage internet access for family members with enhanced parental controls. Set time limits, pause internet access for specific devices, and create custom rules directly from the app.
4.3 Qualità del servizio (QoS)
Prioritize network traffic for specific applications or devices to ensure optimal performance for activities like online gaming, 4K video streaming, or video conferencing.
4.4 Integrazione Smart Home (IFTTT)
The router supports IFTTT (If This Then That) integration, allowing you to connect and automate your network with various third-party smart home devices and services.

Figure 5: The SURFboard Central app interface displaying network speed and connected devices.
5. Expanding Your Mesh System
The SURFboard mAX W21 is designed to be part of an expandable mesh WiFi 6 system. You can add additional W121 or W21 SURFboard mesh devices to extend coverage and enhance performance throughout larger homes.
- Connect up to three (3) SURFboard mAX routers to create a seamless mesh network.
- Each additional router extends coverage and maintains gigabit speeds.


Figura 6: Esamples of expanding your mesh network with additional SURFboard mAX devices.
6. Specifiche
| Caratteristica | Descrizione |
|---|---|
| Nome del modello | W21 |
| Marca | ARRIS |
| standard wireless | 802.11ax (Wi-Fi 6) |
| Classe di banda di frequenza | Tri-Band (2.4 GHz/5 GHz/5 GHz High) |
| Velocità di trasferimento dati | Fino a 6600 Mbps (AX6600) |
| Copertura | Up to 2,750 sq ft (per router) |
| Numero di porte | 2 porte LAN Gigabit Ethernet |
| Metodo di controllo | App SURFboard Central |
| Caratteristiche speciali | LED Indicator, Parental Control, QoS, Smart Home Compatible (IFTTT) |
| Tipo di antenna | Interno |
| Protocollo di sicurezza | WPA-PSK, WPA2-PSK |
| Sistema operativo | Linux |
| Peso dell'articolo | 3 libbre |
| Codice UPC | 850027624020, 612572216095 |

Figure 7: The WiFi 6 Tri-Band Gigabit logo, indicating advanced network capabilities.
Video 3: A comparison highlighting the superior speed and coverage of SURFboard mAX mesh WiFi systems against competitors.
7. Risoluzione Dei Problemi
7.1 Problemi comuni e soluzioni
- Nessuna connessione internet:
- Check all cable connections between the modem, router, and power outlet.
- Restart your modem and router by unplugging them for 30 seconds and then plugging them back in.
- Verify your internet service is active with your provider. - Velocità Wi-Fi lente:
- Ensure your router is centrally located and free from obstructions.
- Verificare la presenza di interferenze da parte di altri dispositivi elettronici.
- Use the SURFboard Central app to optimize network settings and prioritize devices. - Problemi di connettività dell'app:
- Ensure your mobile device is connected to the SURFboard mAX WiFi network.
- Try force-closing and reopening the SURFboard Central app.
- If issues persist, uninstall and reinstall the app. - Stato dell'indicatore LED:
- Blu fisso: Router is online and functioning correctly.
- Blu lampeggiante: Router is booting up or updating firmware.
- Ambra Solida: No internet connection or connection issue.
- Ambra lampeggiante: Router is attempting to connect to the internet.
7.2 Ripristino delle impostazioni di fabbrica
Se riscontri problemi persistenti, un ripristino delle impostazioni di fabbrica potrebbe risolverli. Avvertimento: A factory reset will erase all custom settings and return the router to its default factory configuration. You will need to reconfigure your network using the SURFboard Central app.
- With the router powered on, locate the reset button (usually a small pinhole) on the back or bottom of the device.
- Use a paperclip or similar pointed object to press and hold the reset button for approximately 10-15 seconds.
- Release the button when the LED lights begin to flash or change color.
- Allow the router to restart, then proceed with initial setup via the SURFboard Central app.

Figura 8: Posteriore view of the router, showing Ethernet ports and the MAC address label, often where the reset button is located.
8. Garanzia e supporto
8.1 Informazioni sulla garanzia
The ARRIS SURFboard mAX W21 router comes with a Garanzia limitata di 2 anni. Please retain your proof of purchase for warranty claims. For full warranty terms and conditions, refer to the documentation included with your product or visit the official ARRIS support websito.
8.2 Supporto tecnico
For technical assistance, product registration, or to access additional resources, please visit the ARRIS support website or contact their customer service. Ensure you have your product model number (W21) and serial number ready when contacting support.
Supporto online: www.arris.com/support