How to connect the ONU optical network unit to the router

To connect an ONU to your router, link the router's WAN port to the ONU's LAN port, configure the router's network settings, and, if needed, enable bridge mode on the ONU.

Step 1: Identify and Access Your ONU

First, locate your ONU device, which is usually provided by your ISP. Check the label for the model number, default IP address (commonly 192.168.1.1 or 192.168.0.1), and login credentials. Connect a computer to the ONU via Ethernet or WiFi to access its management interface through a web browser .

Step 2: Configure Bridge Mode (Optional)

If you want your personal router to handle all routing functions, enable bridge mode on the ONU. Log in to the ONU interface, navigate to settings like "Operation Mode" or "Network Settings," and switch from "Router" to "Bridge" mode. Save the settings and allow the ONU to reboot .

Step 3: Connect the Router

Use an Ethernet cable to connect the WAN port of your router to a LAN port on the ONU. If bridge mode is enabled, this port is usually dedicated for WAN traffic .

Step 4: Configure Your Router

1. Access your router's management interface (typically 192.168.1.1) and log in with the default credentials (often "admin"/"admin").
2. Use the Setup Wizard or manual settings to select Dynamic IP or PPPoE, depending on your ISP requirements. Enter the PPPoE username and password if required .
3. Set your router's LAN IP to a different subnet than the ONU to avoid conflicts (e.g., 172.168.1.1 instead of 192.168.1.1), .
4. Configure your WiFi SSID and password, then save and restart the router.

Step 5: Verify the Connection

After restarting, log back into the router interface to confirm internet connectivity. Check that devices connected to your router can access the internet. If using bridge mode, the ONU will no longer provide WiFi, so all wireless devices must connect to your router .

Additional Tips

• Ensure fiber cables are clean and properly connected to the ONU.
• If using an SFP+ ONU module, plug it into the router's SFP+ port and follow the module's IP configuration instructions .
• For advanced setups, configure VLANs or QoS on the ONU or router to optimize traffic management . Following these steps will allow your router to communicate effectively with the ONU, providing stable internet access throughout your network.