Optical Network Unit (ONU)

What is Optical Network Unit (ONU)?

An Optical Network Unit (ONU) is a device used in Fiber to the Home (FTTH) networks to connect end-users to the Passive Optical Network (PON). It is a key component of the PON architecture and is typically installed at the customer premises. The ONU converts optical signals transmitted over the fiber optic cable to electrical signals that can be used by the customer's equipment, such as a router or computer. It also receives and sends data from the customer's equipment and transmits it back to the Optical Line Terminal (OLT) located at the service provider's central office. ONUs come in different types and configurations, depending on the specific requirements of the network and the services being offered. They can be standalone units, integrated with a router, or built into a customer's equipment. Some ONUs also support additional features such as Wi-Fi connectivity or Voice over IP (VoIP) services. Overall, the ONU plays a critical role in the deployment of FTTH networks, enabling high-speed broadband connectivity to homes and businesses.

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Optical Network Unit (ONU)

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