PWR-3900-DC Cisco DC Power Supply 400 Watt | New Factory Sealed

Description Key Features of the PWR-3900-DC The PWR-3900-DC Cisco DC 400 Watt Power Supply has the following key features: Power Output: It has a maximum output power of 400 watts, making it suitable for powering high-density network switches and routers. Hot-Swappable Design: The power supply is designed to be easily removed and replaced without having to shut down the device or network, improving the overall uptime of the system. Energy Efficiency: The PWR-3900-DC is built with energy-saving features that reduce power consumption, saving on energy costs and reducing the carbon footprint. DC Voltage: The power supply outputs DC voltage, which is required for powering Cisco network devices. Compatible with Cisco Devices: The PWR-3900-DC is compatible with a range of Cisco network devices, ensuring easy integration and reducing the need for additional power supplies. Redundant Power Option: The power supply supports the creation of a redundant power supply configuration, ensuring that the network stays up and running even if one power supply fails. LED Indicators: The power supply has LED indicators that provide real-time status information, allowing for quick and easy troubleshooting. Safety Compliance: The PWR-3900-DC complies with safety regulations and certifications, including CE, CB, and UL, ensuring safe and reliable operation. Power Supply Management and Monitoring The Cisco PWR-3900-DC 400 Watt Power Supply has an efficient power management system that allows for monitoring and management of the power supply. This includes features such as: Power Usage Monitoring: The power supply can monitor the power usage of the system and adjust accordingly to maintain efficient use of power. Overload Protection: The power supply is equipped with an overload protection feature that automatically shuts down the system if the power usage exceeds the maximum capacity. Voltage Regulation: The power supply is equipped with voltage regulation that ensures that the voltage is stable and consistent, even under varying load conditions. Energy Efficiency: The power supply is designed to be energy efficient, reducing power waste and helping to save on energy costs. Remote Management: The power supply can be managed remotely, allowing for easy monitoring and management from a central location. Maintenance and Service Information Cleaning: It is recommended to clean the PWR-3900-DC power supply with a soft, dry cloth to remove any dust or debris. Avoid using liquids or chemicals to clean the unit. Battery Backup: The power supply is equipped with a battery backup system to protect against power outages. If the battery is low or needs to be replaced, contact a qualified technician for assistance. Ventilation: The power supply should be installed in a well-ventilated area to prevent overheating. Avoid placing the unit in direct sunlight or near heat sources. Storage: If the power supply is not in use, store it in a dry and cool place. Avoid exposing it to extreme temperatures or moisture. Power Connections: Ensure that the power connections are secure and in good condition. Loose or damaged power cables can cause power issues and potentially damage the power supply. Firmware Updates: Check the Cisco website for any available firmware updates for the PWR-3900-DC power supply. Service and Repair: If the power supply is not functioning properly, contact a qualified technician for service and repair. Do not attempt to repair the unit yourself as this can void the warranty and potentially cause harm to the unit. Warranty: The PWR-3900-DC power supply comes with a one-year limited warranty. Contact Cisco for more information on the warranty and to obtain service or repair if needed. General Information Manufacturer Cisco Systems, Inc Manufacturer Part Number PWR-3900-DC Brand Name Cisco Product Name 3925-3945E DC Power Supply (Both System and Spare) Product Type Power Module Power Description Input Voltage 220 V AC Input Voltage 110 V AC Input Voltage Range 100 V AC to 240 V AC Frequency 47 Hz to 63 Hz Output Output Power 400 W Miscellaneous Compatibility Cisco Integrated Services Routers: 3925, 3945