Description
Technical Specifications and features of Power Supply
The PWR-3900-DC/2 is a Cisco DC proprietary power supply that is used for powering Cisco 3900 Series routers. The device provides a power output of 3900 watts and is specifically designed for use with Cisco 3900 Series routers. It is a dual power supply and provides power redundancy, allowing the device to continue operating even if one power supply fails. The following are the technical specifications and features of the PWR-3900-DC/2 power supply:
Technical Specifications:
- Power Output: 3900 watts
- Input Voltage: -36 to -72 VDC
- Output Voltage: -48 VDC
- Output Current: 81.3 Amps
- Efficiency: 92%
- Form Factor: 1U
- Dimensions: 4.45 x 16.7 x 1.63 inches (11.3 x 42.4 x 4.14 cm)
- Weight: 11.8 LBS
Features:
- Dual Power Supply: Provides power redundancy, allowing the device to continue operating even if one power supply fails.
- High Efficiency: The PWR-3900-DC/2 has an efficiency of 92%, reducing power waste and helping to save energy.
- 1U Form Factor: The power supply is designed to fit in a 1U rack mount, making it easy to install in a server room or data center.
- Compatible with Cisco 3900 Series Routers: The PWR-3900-DC/2 is specifically designed for use with Cisco 3900 Series routers, providing a reliable and compatible power solution.
- Wide Input Voltage Range: The power supply is capable of operating over a wide range of input voltages, making it suitable for use in a variety of environments.
- High Output Current: The device provides a high output current of 81.3 Amps, ensuring that it can provide sufficient power for demanding applications.
Troubleshooting and Maintenance
Troubleshooting and maintenance of the PWR-3900-DC/2 Cisco DC proprietary power supply involves several steps to identify and fix any issues.
- Power supply not functioning: Check if the power cord is properly connected and if the power outlet is working. Also, check if the fuse is blown and replace it if necessary.
- Power supply output voltage is incorrect: Check the input voltage to the power supply and make sure it matches the specified voltage. If the input voltage is too high, it can cause the power supply to fail.
- Overheating: Check if the power supply has adequate ventilation and if there are any obstructions blocking the air flow. Dust accumulation can also cause overheating, so regular cleaning is recommended.
- Fan failure: If the fan is not working, the power supply will overheat and fail. The fan can be replaced or repaired.
Maintenance of the PWR-3900-DC/2 Cisco DC proprietary power supply involves cleaning the unit regularly to prevent dust buildup, ensuring proper ventilation, and checking the input voltage to make sure it matches the specified voltage.
It is recommended to periodically check the performance and voltage output of the power supply to ensure it is functioning properly. If any issues are identified, it is best to replace the power supply to avoid any potential damage to the connected equipment.
Reliability and Durability
Reliability refers to the ability of a product to perform its intended functions consistently over a period of time without failure. The PWR-3900-DC/2 Cisco DC Proprietary Power Supply has a high level of reliability as it is designed to meet the demanding needs of data center and network environments. It is built to withstand harsh operating conditions and has an efficient cooling system to prevent overheating. The power supply is also engineered to ensure minimal downtime and high availability.
Durability refers to the ability of a product to withstand wear and tear over time. The PWR-3900-DC/2 Cisco DC Proprietary Power Supply is built with high-quality materials and designed to last for years of continuous use. It has a compact, rugged design that protects it from damage in transit and during installation. The power supply is also designed to withstand power spikes and voltage fluctuations, ensuring that it continues to operate optimally even in challenging electrical environments.
General Information about this Cisco PWR-3900-DC/2
- Manufacturer: Cisco
- Model Number or SKU # PWR-3900-DC/2
- Product Name PWR-3900-DC/2 Proprietary Power Supply
- Product Type: Proprietary Power Supply
- Input Voltage Type DC
- Form Factor Internal
Compatibility
- Cisco Integrated Services Routers:
- 3925
- 3945
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