1. Introdução
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. Requisitos do 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. Configuração e instalação
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.
Etapas de instalação:
- 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. Operação
Once connected, the adapter provides a stable wired network connection. The LED indicators on the adapter typically show network activity and connection status.
- LED de link/atividade: Indicates a successful network link and flashes during data transfer.
- LED de velocidade: 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. Cuidados e Manutenção
To ensure the longevity and optimal performance of your i-tec USB-C Ethernet Adapter, follow these guidelines:
- Mantenha o adaptador limpo e livre de poeira. Use um pano macio e seco para a limpeza.
- Evite expor o adaptador a temperaturas extremas, umidade ou luz solar direta.
- Do not attempt to disassemble or repair the adapter yourself. This may void the warranty.
- Handle the adapter and its cable gently to prevent damage to the connectors.
O metal 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. Solução De Problemas
If you encounter issues with your i-tec USB-C Ethernet Adapter, please refer to the following common solutions:
- Sem conexão de rede:
- Certifique-se de que o conector USB-C esteja totalmente inserido no seu dispositivo.
- Verifique se o cabo Ethernet está firmemente conectado tanto ao adaptador quanto ao seu dispositivo de rede (roteador/modem).
- Check if your network router/modem is powered on and functioning correctly.
- Tente conectar o adaptador a uma porta USB-C diferente no seu dispositivo.
- Restart your computer and network equipment.
- Velocidade de rede 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 não reconhecido:
- 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. Especificações
| Recurso | Detalhe |
|---|---|
| Dimensões do produto | 2.4 x 0.91 x 0.67 polegadas |
| Peso do item | 1.23 onças |
| Número do modelo | C31METAL25LAN |
| Tipo de conector | RJ45, USB Type C |
| Velocidades Ethernet | 10/100/1000/2500Mbps |
| Dispositivos compatíveis | Desktop, Notebooks, Tablets with USB-C port |
| Fabricante | EU TEC |
| ASIN | B08XW9PDXP |
8. Garantia e Suporte
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 webPara obter detalhes sobre a cobertura e a duração, consulte o site.
For technical support, driver downloads, or further assistance, please contact i-tec support:
- E-mail: suporte@itecproduct.com
- Website: Visit the official i-tec webSite com informações sobre o produto e recursos de suporte.

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).





