The core in an XGS-PON network plays a central role in the management and forwarding of data. Here are five essential tasks:

Bandwidth management:
The core ensures efficient allocation of available bandwidth and ensures that data is distributed evenly across the network as required.

Connection of OLT and ONT:
The core mediates between the Optical Line Termination (OLT) and the Optical Network Terminals (ONT) that connect the user's end devices.

Data forwarding and routing:
It ensures the forwarding of data packets between the local network and the Internet, using routing protocols to choose the best connection.

Error handling and diagnostics:
The core continuously monitors the network and detects errors or faults to enable quick diagnoses and solutions.

Security management:
The Core handles network security management, protecting against unauthorized access and ensuring that all connections comply with applicable security protocols.
 

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The Optical Line Termination (OLT) is a central component in an XGS-PON network and performs important tasks for managing and controlling the entire system. Here are five essential tasks of the OLT:

Signal conversion:
The OLT converts the electrical signals from the end systems into optical signals and sends them to the ONTs (Optical Network Terminals) via the fiber optic link.

Bandwidth management:
It controls the allocation of bandwidth between the connected ONTs to ensure efficient use of the network

Connection and synchronization:
The OLT ensures that all ONTs in the network are synchronized and correctly connected to the network, and provides communication control between devices.

Data forwarding:
It handles the routing of data traffic between the optical access network and the core network, including the forwarding of data to the Internet or private networks

Error monitoring and management:
The OLT monitors the health of the network and detects problems such as signal loss or interference to enable rapid fault diagnosis and rectification.

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The Optical Network Unit (ONU) or Optical Network Terminal (ONT) is an essential component of an XGS-PON network and represents the interface between the optical network and the end devices. Here are five essential tasks of an ONU/ONT:

Signal conversion:
The ONU/ONT receives optical signals from the OLT, converts them into electrical signals and forwards them to the terminal devices, such as routers or computers.

Communication management:
It manages the communication between the end user and the OLT, including control over the data transmission rate and time window.

Processing of data traffic:
The ONU/ONT receives and processes data packets, both incoming and outgoing, ensuring smooth communication between the end device and the network.

Error detection and error transmission:
It continuously monitors the network connection, detects errors or faults and sends this information to the OLT for troubleshooting.

Network security:
The ONU/ONT ensures that communication between the end device and the network is secure by supporting encryption and other security protocols.

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