The ZTE C620 is a versatile and high performance Optical Line Terminal (OLT) designed for various Passive Optical Network (PON) technologies. It supports GPON, EPON, XG PON, and XGS PON standards, making it suitable for different deployment scenarios and network evolutions. Here's a concise introduction to its key specification parameters:

1. Multi PON Support: The C620 can operate in GPON, EPON, XG PON, and XGS PON modes, providing flexibility for network upgrades and migrations.

2. High Capacity: It offers a high density design with up to 16 PON ports, allowing for a large number of subscribers to be served simultaneously.

3. Scalability: The system is designed to scale easily, supporting the addition of more ports or capacity as the network grows.

4. Bandwidth: With support for XGS PON, the C620 can provide up to 10 Gbps downstream and 2.5 Gbps upstream per port, ensuring high speed connectivity for users.

5. Energy Efficiency: The OLT is designed with energy saving features to reduce operational costs and environmental impact.

6. Reliability: It includes advanced protection mechanisms and redundancy features to ensure high reliability and minimal downtime.

7. Management and Control: The C620 comes with a comprehensive management system that allows for efficient monitoring, configuration, and troubleshooting of the network.

8. Security: It incorporates robust security features to protect against unauthorized access and data breaches.

9. Interoperability: The OLT is designed to work with a wide range of ONTs (Optical Network Terminals) and other network equipment, ensuring compatibility with existing infrastructure.

10. Future Proof: With support for the latest PON standards, the C620 is future proof, ready to support emerging technologies and services.

In summary, the ZTE C620 OLT is a powerful and adaptable solution for service providers looking to deploy or upgrade their PON networks, offering a balance of performance, scalability, and efficiency.

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