1. Introducció
This manual provides instructions for the i-tec USB-C Metal 2.5Gbps Ethernet Adapter, model C31METAL25LAN. This device allows you to connect your USB-C enabled computer or tablet to a wired network, providing high-speed Ethernet connectivity up to 2.5 Gigabit per second (2.5Gbps).
The adapter is designed for reliable and stable network performance, offering a robust solution for devices without a built-in Ethernet port or for upgrading existing network speeds.

A silver i-tec USB-C to 2.5Gbps Ethernet Adapter with a black cable and USB-C connector.
2. Requisits del sistema
- Device with an available USB-C port.
- Operating System: Compatible with Windows, macOS, Linux, and Chrome OS.
- Ethernet cable (RJ-45) for network connection.

An image showing the i-tec USB-C Ethernet Adapter is compatible with various notebooks and tablets featuring a USB-C port, including Windows, macOS, Linux, and Chrome OS devices.
3. Configuració i instal·lació
The i-tec USB-C 2.5Gbps Ethernet Adapter is designed for plug-and-play functionality, requiring no additional driver installation on most modern operating systems.
Passos d'instal·lació:
- Connect the USB-C connector of the adapter to an available USB-C port on your computer or tablet.
- Connect an Ethernet cable (RJ-45) from your router, modem, or network switch to the RJ-45 port on the i-tec adapter.
- The operating system should automatically detect and install the necessary drivers. A network connection should be established shortly.

A laptop with the i-tec USB-C Ethernet Adapter connected, highlighting its simple plug-and-play installation.

A diagram illustrating the connection of the i-tec USB-C 3.1 adapter to a router and a laptop, showing its RJ-45 Ethernet port and supported speeds (10/100/1000/2500 Mbps).
4. Funcionament
Once connected, the adapter provides a stable wired network connection. The LED indicators on the adapter typically show network activity and connection status.
- LED d'enllaç/activitat: Indicates a successful network link and flashes during data transfer.
- LED de velocitat: May indicate the current connection speed (e.g., different colors for 1Gbps vs. 2.5Gbps, refer to specific product documentation if available).
The adapter supports speeds of 10/100/1000/2500 Mbps, automatically negotiating the highest possible speed with your network equipment.

An image depicting a laptop transferring data at high speed via the i-tec 2.5Gbps Ethernet Adapter, illustrating its 2500 Mbps capability.
5. Cura i Manteniment
To ensure the longevity and optimal performance of your i-tec USB-C Ethernet Adapter, follow these guidelines:
- Mantingueu l'adaptador net i sense pols. Feu servir un drap suau i sec per netejar-lo.
- Eviteu exposar l'adaptador a temperatures extremes, humitat o llum solar directa.
- No intenteu desmuntar ni reparar l'adaptador vosaltres mateixos. Això podria anul·lar la garantia.
- Handle the adapter and its cable gently to prevent damage to the connectors.
El metall casing provides enhanced durability and protection for the internal components.

An image showing a hammer near the i-tec USB-C Ethernet Adapter, emphasizing its stable and robust metal construction.
6. Solució De Problemes
If you encounter issues with your i-tec USB-C Ethernet Adapter, please refer to the following common solutions:
- Sense connexió de xarxa:
- Assegureu-vos que el connector USB-C estigui completament inserit al dispositiu.
- Verifiqueu que el cable Ethernet estigui connectat correctament tant a l'adaptador com al dispositiu de xarxa (encaminador/mòdem).
- Check if your network router/modem is powered on and functioning correctly.
- Prova de connectar l'adaptador a un altre port USB-C del dispositiu.
- Reinicieu l'ordinador i els equips de xarxa.
- Velocitat de xarxa lenta:
- Ensure your Ethernet cable is rated for Gigabit or 2.5 Gigabit speeds (e.g., Cat5e or Cat6).
- Verify that your network router/switch supports 2.5Gbps or Gigabit Ethernet.
- Check for any background applications consuming significant bandwidth.
- Update your operating system and USB-C port drivers.
- Adaptador no reconegut:
- Ensure your device's USB-C port is fully functional.
- Try connecting the adapter to another computer to determine if the issue is with the adapter or the host device.
- Check your device's Device Manager (Windows) or System Information (macOS) to see if the adapter is listed.
7. Especificacions
| Característica | Detall |
|---|---|
| Dimensions del producte | 2.4 x 0.91 x 0.67 polzades |
| Pes de l'article | 1.23 unces |
| Número de model | C31METAL25LAN |
| Tipus de connector | RJ45, USB Type C |
| Velocitats Ethernet | 10/100/1000/2500 Mbps |
| Dispositius compatibles | Desktop, Notebooks, Tablets with USB-C port |
| Fabricant | I TEC |
| ASIN | B08XW9PDXP |
8. Garantia i Suport
i-tec products are covered by a manufacturer's warranty. Please refer to the specific warranty terms provided with your purchase or on the official i-tec website for details regarding coverage and duration.
For technical support, driver downloads, or further assistance, please contact i-tec support:
- Correu electrònic: support@itecproduct.com
- Weblloc: Visit the official i-tec weblloc web per obtenir informació sobre productes i recursos d'assistència.

The product packaging for the i-tec USB-C to 2.5 Gbps Ethernet Adapter, displaying connection instructions, a QR code for the full manual, and support contact information (support@itecproduct.com).





