The CISCO PWR-C45-2800ACV is a highly efficient and powerful AC power supply designed for the Cisco Catalyst 4500 series switches. This 2800W power supply unit (PSU) is engineered to provide both data and Power over Ethernet (PoE) capabilities, supporting the delivery of power to network devices over Ethernet cabling. It is an essential component for networks demanding high power for devices such as IP phones, wireless access points, and video cameras, alongside maintaining robust data connectivity. This PSU ensures the reliability and uptime of critical network resources by offering redundant power options, thus preventing downtime in case of a power supply failure. It features a built-in fan for cooling and operates efficiently across a wide range of voltage and frequency conditions, making it versatile for global use. Enhanced with overcurrent and overvoltage protection, it safeguards against potential power surges and discrepancies, ensuring the longevity and stable operation of network infrastructure. This power supply is ideal for businesses seeking to optimize their network performance and power delivery to support a multitude of devices.