The ZTE C620 is a comprehensive OLT (Optical Line Terminal) solution designed for fiber to the home (FTTH) networks. It is a high capacity, high density, and highly integrated device that supports various services such as voice, data, and video. The main control board, also known as the PRAF (Primary Rate Access Function) AC DC power supply, is a crucial component of the ZTE C620 system.

Key Specification Parameters:

1. Power Supply: The PRAF AC DC power supply is designed to provide stable and reliable power to the main control board. It typically supports both AC and DC input voltages, ensuring flexibility in power source options.

2. Voltage Range: The power supply can handle a wide range of input voltages, often accommodating variations in the power grid to ensure continuous operation.

3. Output Voltage Stability: The power supply maintains a stable output voltage, which is essential for the reliable operation of the OLT and the services it provides.

4. Power Efficiency: Modern power supplies are designed with high efficiency in mind, reducing energy consumption and heat generation.

5. Protection Features: The power supply includes over voltage, over current, and short circuit protection to safeguard the OLT and its components from damage.

6. Reliability: The PRAF AC DC power supply is built to withstand harsh environmental conditions and is designed for long term reliability, which is critical for network infrastructure.

7. Integration: As part of the main control board, the power supply is integrated into the overall system architecture, ensuring seamless operation and minimal downtime.

8. Compatibility: The power supply is designed to be compatible with the ZTE C620 OLT and its various modules, ensuring a cohesive and efficient system.

9. Serviceability: The power supply is easy to service and maintain, with features such as hot swappable components to minimize service interruptions.

10. Safety Standards: The power supply complies with international safety standards, ensuring the safety of both the equipment and the personnel operating it.

In summary, the ZTE C620's PRAF AC DC power supply is a vital component that ensures the reliable operation of the OLT. It is designed with a focus on power efficiency, stability, and protection, making it a robust solution for FTTH networks.

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