To connect a fiber optic gateway (ONT) to a router, use an Ethernet cable from the ONT's LAN port to the router's WAN port, then configure the router as needed for your ISP.

Required Equipment

• Optical Network Terminal (ONT): Provided by your ISP, converts fiber optic light signals into electrical signals your router can use .
• Fiber optic cable: Connects the ISP's fiber line to the ONT, typically with SC/APC or SC/UPC connectors .
• Ethernet cable: Connects the ONT to your router's WAN port, preferably Cat6a or higher for optimal speeds .
• Router: Must support gigabit speeds or higher; some routers have SFP ports for direct fiber input .

Physical Connection Steps

1. Install the ONT: Place it near the fiber entry point in your home. Connect the fiber optic cable from the wall outlet to the ONT's optical port and power it on. Wait for the status lights to stabilize .
2. Connect ONT to Router: Use an Ethernet cable to link the ONT's LAN/Ethernet port to the router's WAN port. Ensure both devices are powered and in a well-ventilated area .
3. Power Sequence: Turn on the ONT first to allow it to establish a connection with the ISP network, then power on the router .

Router Configuration

• Automatic Setup: Many ISPs use “easy login” or DHCP, so the router may automatically receive an IP address once connected .
• PPPoE Setup: If your ISP requires PPPoE, you will need a username and password provided by the ISP. Enter these in the router's WAN/Internet settings .
• Advanced Settings: For optimal performance, enable Quality of Service (QoS) if you use VoIP or video conferencing, and verify that the router firmware is up to date .

Troubleshooting Tips

• Ensure fiber connectors are clean and properly seated; even slight misalignment can degrade signal quality .
• Check that the ONT's status lights indicate a stable connection before powering the router .
• If the internet does not work, confirm whether your ISP requires PPPoE credentials or if the connection uses automatic login . By following these steps, your fiber optic gateway will successfully deliver high-speed internet to your router, enabling reliable connectivity across your home network .