Introdução
This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your Generic C4000LZ xDSL Gigabit WiFi Modem Router. Designed for compatibility with Centurylink services, this device offers high-speed internet connectivity for both home and business environments. Please read this manual thoroughly before installation and use.
Produto acimaview
The C4000LZ is a compact and efficient modem router, designed to blend seamlessly into your environment while providing robust internet performance. It features a sleek, vertical design with essential ports located on the rear for a clean setup.

Figure 1: Detailed component diagram of the C4000LZ Modem Router.

Figura 2: Frente e verso views of the C4000LZ Modem Router.
Componentes principais:
- LED de status: Indica o estado operacional do dispositivo.
- Botão WPS: Para uma configuração de conexão sem fio rápida e segura.
- Porta USB 2.0: Para conectar dispositivos externos.
- WAN & LAN Ports: Multiple Gigabit Ethernet ports for wired connections.
- Porta DSL: For connecting to your DSL line.
- Entrada de energia: Para conectar o adaptador de energia.
- Botão de reinicialização: Para restaurar as configurações padrão de fábrica.
- Credential Label: Contains important network information (e.g., default Wi-Fi name and password).
Configurar
1. Desembalagem e colocação:
- Remova cuidadosamente todos os componentes da embalagem.
- Place the modem router in a central location in your home or office, away from obstructions and other electronic devices that may cause interference. Ensure adequate ventilation.
2. Connecting the Modem Router:
- Connect the DSL cable from your wall jack to the DSL port on the back of the C4000LZ.
- If you plan to use wired devices, connect Ethernet cables from your computer or other network devices to the LAN ports on the back of the C4000LZ.
- Connect the power adapter to the Power Input port on the modem router and then plug it into an electrical outlet.
3. Configuração inicial:
- Allow a few minutes for the modem router to power on and initialize. The Status LED on the front will change color to indicate its status (typically green when ready).
- For Centurylink users, the device may automatically configure itself. If not, open a web browser on a connected device and follow the on-screen instructions for activation or refer to your Centurylink account information.
- Locate the Wi-Fi network name (SSID) and password on the Credential Label on the bottom of the device. Use these credentials to connect your wireless devices.
Instruções de operação
Conectividade Wi-Fi:
- The C4000LZ supports dual-band Wi-Fi (2.4 GHz and 5 GHz) for optimal performance across various devices.
- Connect your devices to the appropriate Wi-Fi network. The 5 GHz band offers faster speeds over shorter distances, while the 2.4 GHz band provides better range.
WPS (Configuração Protegida de Wi-Fi):
- To connect a WPS-compatible device, press the WPS button on the front of the modem router.
- Within two minutes, activate WPS on your device. The device will automatically connect to the Wi-Fi network without needing to enter the password.
Configurações avançadas:
- To access advanced settings (e.g., port forwarding, parental controls, guest networks), open a web browser and enter the modem router's IP address (usually found on the Credential Label or in your Centurylink documentation).
- Log in using the administrator username and password (also on the Credential Label).
Manutenção
- Mantenha ventilado: Ensure the modem router is placed in an area with good airflow to prevent overheating.
- Reinicializações regulares: Periodically rebooting your modem router (unplugging for 30 seconds and plugging back in) can help resolve minor connectivity issues and improve performance.
- Atualizações de firmware: Check the manufacturer's or Centurylink's webSite para atualizações de firmware disponíveis para garantir desempenho e segurança ideais.
- Limpeza: Gently wipe the exterior with a soft, dry cloth. Avoid using liquid cleaners or abrasive materials.
Solução de problemas
Sem conexão com a Internet:
- Check all cable connections (DSL, Ethernet, Power) to ensure they are secure.
- Verify the Status LED. If it's not green, refer to the LED indicator guide in your Centurylink documentation or online resources.
- Reboot the modem router.
- Contact your internet service provider (Centurylink) if the issue persists.
Velocidade lenta do Wi-Fi:
- Ensure your device is connected to the 5 GHz band if available and within close range.
- Reduce interference by moving the modem router away from other electronics (e.g., cordless phones, microwaves).
- Consider the number of devices connected. Too many active devices can reduce overall speed.
Não consigo acessar as configurações do roteador:
- Certifique-se de que seu dispositivo esteja conectado à rede do roteador (com fio ou sem fio).
- Double-check the IP address and login credentials.
- Experimente algo diferente web navegador.
Redefinindo para os padrões de fábrica:
- If all other troubleshooting steps fail, you may need to reset the modem router to its factory default settings.
- With the modem router powered on, use a paperclip or similar pointed object to press and hold the Reset Button for approximately 10-15 seconds until the lights flash.
- Note: Resetting will erase all custom settings, and you will need to reconfigure the device.
Especificações
| Recurso | Detalhe |
|---|---|
| Nome do modelo | C4000LZ |
| Marca | Genérico |
| Fabricante | Zyxel |
| Dimensões do produto | 4 x 5 x 9 polegadas |
| Peso do item | 2 libras |
| Tecnologia de Conectividade | Ethernet |
| Padrão de comunicação sem fio | 802.11ac |
| Classe de Banda de Frequência | Banda dupla |
| Recurso especial | WPS |
| Dispositivos compatíveis | Computador pessoal |
| Usos recomendados | Negócios, Residência |
| Cor | Preto ou branco |
| Tipo de antena | Interno |
Garantia e Suporte
For warranty information and technical support, please refer to the documentation provided with your purchase or contact your internet service provider (Centurylink) directly. You may also visit the manufacturer's (Zyxel) webSite para recursos adicionais e opções de suporte.
