Does the second router also need fiber optic cable

You do not need a new fiber optic cable to install a second router; you can connect it using Ethernet from your existing router.

How It Works

Fiber internet delivers data to your home via a fiber optic cable that terminates at an Optical Network Terminal (ONT), which converts the light signals into electrical signals usable by your router . The ONT connects to your primary router using an Ethernet cable, typically Cat6 or higher for optimal speed .

Adding a Second Router

To expand your network, a second router can be connected to your primary router using a standard Ethernet cable. This setup does not require a separate fiber line. You can connect the second router via:

• LAN-to-LAN connection: Extends your network while keeping a single subnet.
• LAN-to-WAN connection: Creates a separate subnet, useful for guest networks or network segmentation . Ensure the second router supports Gigabit Ethernet to handle fiber speeds effectively . Older routers with slower ports may limit performance.

Considerations

• Router placement: Position the second router in areas with weak Wi-Fi coverage to improve signal reach .
• Configuration: Disable DHCP on the second router if using LAN-to-LAN to avoid IP conflicts .
• Compatibility: Any standard router with a Gigabit Ethernet WAN/LAN port can work; you do not need a fiber-specific router unless connecting directly to the ONT .

Summary

A second router can be installed using Ethernet from your existing router, without running a new fiber optic cable. The fiber connection remains at the ONT, and the second router simply extends or segments your network using standard wired or wireless connections .