A WAN port is the router's upstream, internet-facing port. You use it by connecting it to your modem, ONT, or ISP Ethernet handoff. A Wide Area Network (WAN) is a network that connects more than two Local Area Networks (LANs). A WAN could be any connection. Fiber optic internet delivers blazing-fast speeds and reliable connectivity, making it a top choice for modern homes and businesses. In this guide, we'll walk you through how to. Do I need an ONT between fiber and WAN port router? If your fiber Internet connection is using GPON technology (as opposed to "plain old" fiber Ethernet), then yes, you need an ONT (aka ONU) as it's the device which actually understands how to connect to a GPON network. (GPON is a passive/broadcast. The WAN Port, is one of the most important ports on your router, but where is it for? And how do you recognize it? The WAN port looks exactly the same as the LAN ports on your router, but there is a big difference between the two. In this article, I will explain everything you need to know about. The SFP+ port is a high-speed optical-to-optical signal conversion port, mainly used for 10G Ethernet and Fiber Channel network applications. A key advantage of SFP+ Modules is that they are "hot-swappable", meaning they can be swapped out while the router is still powered on. In a typical home network: To use it: 1.