1. Introducció
The ZTE ZXHN F670L is a GPON Optical Network Terminal (ONT) designed for Fiber-to-the-Home (FTTH) and Fiber-to-the-Office (FTTO) broadband access networks. This device offers high-bandwidth capabilities, high reliability, and low power consumption, meeting the diverse needs of users for broadband internet, voice, data, and video services. It features dual-band Wi-Fi (2.4G and 5G) and multiple Gigabit Ethernet ports to provide a comprehensive networking solution.
2. Contingut del paquet
Abans de continuar amb la instal·lació, comproveu que tots els elements estiguin presents al paquet:
- ZTE ZXHN F670L GPON ONT Unit
- Power Adapter (EU, US, UK, AU type, depending on region)
- Cable Ethernet
- Guia d'inici ràpid (si s'inclou)
3. Dispositiu acabatview
Familiarize yourself with the ports and indicators on your F670L ONT.

Indicadors del panell frontal:
- Potència: Indica l'estat d'alimentació.
- PON: Indicates GPON optical link status.
- LOS: Indicates loss of optical signal.
- Internet: Indica l'estat de la connexió a Internet.
- LAN1-4: Indicate status of respective LAN ports.
- Telèfon: Indicates voice service status.
- Wi-Fi: Indica l'estat de la xarxa Wi-Fi.
- WPS: Indica l'estat de la funció WPS.
- USB: Indicates USB port status.

Ports del panell posterior:
- PON: Optical fiber connection port.
- Telèfon: Port RJ11 per a connexió telefònica.
- LAN1-4: RJ45 Gigabit Ethernet ports for wired network devices.
- Restablir: Botó per restaurar la configuració predeterminada de fàbrica.
- USB: USB port for external storage or other peripherals.
- Potència: Port d'entrada d'alimentació.
- On/Off: Interruptor d'alimentació.
4. Instruccions de configuració
Follow these steps to set up your ZTE F670L ONT:
- Col·locació: Place the ONT in a central location to maximize Wi-Fi coverage. Ensure it is in a well-ventilated area, away from direct sunlight, heat sources, and obstructions.
- Connect Optical Fiber: Carefully connect the optical fiber cable from your service provider to the PON port on the rear of the ONT. Ensure the connector is clean and properly seated.
- Connectar l'alimentació: Connect the provided power adapter to the Power port on the ONT and then plug it into an electrical outlet. Press the On/Off button to power on the device.
- Observeu els llums indicadors: After powering on, observe the indicator lights on the front panel. The 'Power' light should be solid green. The 'PON' light should eventually turn solid green, indicating a successful optical link. The 'LOS' light should be off. The 'Internet' light should turn green once an internet connection is established.
- Connecteu dispositius amb cable (opcional): Connect your computers, smart TVs, or other wired network devices to the LAN1-4 ports using Ethernet cables.
- Connecta el telèfon (opcional): If you have voice services, connect your telephone to the Phone port.
- Connexió Wi-Fi inicial: The default Wi-Fi network name (SSID) and password are usually printed on a label on the bottom of the ONT (refer to Figure 3). Use these credentials to connect your wireless devices.

5. Instruccions de funcionament
The ZTE F670L is primarily managed through a web-based interface. You will need a computer connected to the ONT via Ethernet or Wi-Fi to access it.
5.1 Accés a Web Interfície de gestió
- Obre a web navegador (per exemple, Chrome, Firefox, Edge).
- In the address bar, type the default IP address of the ONT (commonly 192.168.1.1 or 192.168.100.1) and press Enter. This information can usually be found on the product label.
- Enter the default username and password. These are also typically found on the product label or in the quick start guide.
5.2 Configuring WAN Connection
Once logged in, you can configure your internet connection settings. Navigate to the 'Network' section, then 'WAN Connection'.

Select the appropriate 'Service List' (e.g., INTERNET) and 'IP Version' (e.g., IPv4, IPv6, or IPv4/v6) as provided by your internet service provider.

5.3 Configuring Wi-Fi (WLAN) Settings
To manage your wireless networks, navigate to the 'Network' section, then 'WLAN Radio2.4G' or 'WLAN Radio5G'.

Aquí pots:
- Enable/Disable the wireless radio.
- Change the SSID (Wi-Fi network name).
- Set the authentication type (e.g., WPA/WPA2-PSK) and password.
- Adjust the channel for optimal performance.
5.4 Informació del dispositiu
Tu pots view detailed device information, including model, serial number, hardware version, and software version, under the 'Status' section, then 'Device Information'.

6. Manteniment
Proper maintenance ensures the longevity and optimal performance of your ONT.
- Neteja: Mantingueu el dispositiu net i lliure de pols. Feu servir un drap suau i sec per netejar l'exterior. No utilitzeu netejadors líquids ni aerosols.
- Ventilació: Assegureu-vos que els forats de ventilació no estiguin bloquejats per evitar el sobreescalfament.
- Medi ambient: Operate the device within its specified temperature and humidity ranges. Avoid placing it in direct sunlight or near heat sources.
- Actualitzacions de firmware: Consulteu periòdicament el suport de ZTE website or contact your service provider for available firmware updates. Firmware updates can improve performance, add new features, and fix bugs.
- Restablir el dispositiu: If the device is not functioning correctly, you can perform a soft reset by powering it off and on. For more persistent issues, a factory reset can be performed by pressing and holding the 'Reset' button on the rear panel for about 10 seconds while the device is powered on. Avís: A factory reset will erase all custom configurations, and the device will revert to its default settings.
7. Solució De Problemes
If you encounter issues with your ZTE F670L ONT, refer to the following common problems and solutions:
7.1 Sense poder
- Símptoma: L'indicador d'alimentació està apagat.
- Solució: Check if the power adapter is securely connected to the ONT and the electrical outlet. Ensure the power switch is in the 'On' position. Try a different power outlet.
7.2 Sense connexió a Internet
- Símptoma: Internet indicator is off or red.
- Solució:
- Check the 'PON' and 'LOS' indicators. If 'LOS' is blinking or solid red, there might be an issue with the optical fiber connection. Contact your service provider.
- Ensure the optical fiber cable is properly connected to the PON port.
- Verify WAN settings in the web management interface are correct according to your service provider's specifications.
- Restart the ONT by powering it off and on.
7.3 Wi-Fi Not Working or Slow
- Símptoma: Wi-Fi indicator is off, or wireless devices cannot connect, or connection is slow.
- Solució:
- Check if the 'Wi-Fi' indicator is solid green. If not, ensure Wi-Fi is enabled in the web interfície de gestió.
- Verify the Wi-Fi SSID and password on your devices match those configured on the ONT.
- Prova de canviar el canal Wi-Fi a web management interface to avoid interference.
- Ensure your devices are within the Wi-Fi range.
- Restart the ONT.
7.4 No es pot accedir Web Interfície de gestió
- Símptoma: Browser cannot open the ONT's IP address.
- Solució:
- Ensure your computer is connected to the ONT via Ethernet or Wi-Fi.
- Verify the correct IP address is being used (check product label).
- Check your computer's network settings to ensure it's obtaining an IP address automatically (DHCP).
- Desactiveu temporalment qualsevol tallafocs o programari antivirus del vostre ordinador.
- Prova una altra web navegador.
8. Especificacions
| Característica | Descripció |
|---|---|
| Número de model | ZTE F670L |
| Tipus | ONU, FTTx Solutions |
| Nom de marca | ZTE |
| Ús | FTTH |
| Aplicació | FTTH FTTB FTTX Network |
| Tipus de fibra | GPON |
| Configuració | 4GE + 1Tel. + 2.4G/5G Dual Band Wi-Fi |
| Guany de l'antena | 5dBi |
| Adaptador d'alimentació | EU, US, UK, AU etc. |
| Versió | Anglès |
| Condició | Nou a estrenar |
| Dimensions (L x A x A) | 20 cm x 13 cm x 30 cm (aproximadament) |
| Pes | 0.5 kg (aproximadament) |
9. Consells d'usuari
Here are some tips to enhance your experience with the ZTE F670L ONT:
- Col·locació òptima: For the best Wi-Fi signal, place the ONT in an open area, centrally located within your home or office, and elevated if possible. Avoid placing it inside cabinets or near large metal objects.
- Utilitza Wi-Fi de doble banda: Connect newer devices that support 5GHz Wi-Fi to the 5GHz network for faster speeds and less interference. Use the 2.4GHz network for older devices or for extending range.
- Assegura la teva xarxa: Always change the default Wi-Fi SSID and password to a strong, unique password to protect your network from unauthorized access.
- Wired Connections for Stability: For devices that require stable and high-speed connections (e.g., gaming consoles, desktop PCs, streaming devices), use an Ethernet cable to connect them to the LAN ports.
- Reinicis regulars: Occasionally restarting your ONT (power cycling it) can help clear temporary glitches and improve overall network performance.
10. Garantia i Suport
The ZTE F670L GPON ONT typically comes with a 1-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
For technical support, troubleshooting assistance beyond this manual, or warranty inquiries, please contact your service provider or the vendor from whom you purchased the device. They can provide specific guidance related to your network configuration and service plan.





