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How does fiber connect to a router?

Published in Fiber Networking 2 mins read

Fiber optic internet does not directly connect to your router. Instead, the fiber cable first connects to a device called an ONT (Optical Network Terminal). Then, the ONT connects to your router.

Understanding the Connection Process

Here's a breakdown of how the connection works:

The Role of the ONT

  • The fiber optic cable brings the internet signal to your home and connects directly to the ONT.
  • The ONT converts the light signals from the fiber into electrical signals that your router can understand.

Connecting the ONT to the Router

  • According to reference information, the ONT then connects to your router using an Ethernet cable.
  • This Ethernet cable provides the data connection between the ONT and the router.

Some ISPs Offer Combined Units

  • Some Internet Service Providers (ISPs) may provide an ONT that has a built-in router.
  • This combined unit acts as both an ONT and a router, simplifying the setup.

Using Your Own Router

  • If you prefer to use your own router, you can often configure the ISP-provided ONT/router combo to disable its router functionality.
  • This allows your own router to manage your home network.

Summary Table:

Connection Stage Component(s) Connection Type
Fiber In Fiber Cable & ONT Fiber Optic Connection
To Router ONT & Router Ethernet Cable

Conclusion:

Fiber does not plug directly into your router; it connects to the ONT, and the ONT connects to the router using an Ethernet cable.

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