The PWR-3900-DC/2 Cisco DC Proprietary Power Supply is a power supply unit that provides backup power to Cisco 3900 series routers. This unit is designed to fit in a standard Cisco 3900 series rack mountable router and provide an additional power source for the device. The following are the technical specifications and features of the PWR-3900-DC/2:
Technical Specifications:
- Input Voltage Range: 36-72 V DC
- Output Voltage: +48 V DC
- Output Current: 83 A
- Output Power: 4000 W
- Efficiency: 94%
- Operating Temperature: 0 to 50°C
- Dimensions: 5.3 x 4.4 x 1.75 inches (13.5 x 11.2 x 4.4 cm)
Features:
- Dual Inputs: The PWR-3900-DC/2 has dual inputs which provide increased redundancy and reduces the risk of power interruption.
- High Efficiency: The power supply unit has a high efficiency of 94% which reduces the amount of power lost as heat, thus improving reliability and reducing maintenance costs.
- Hot-Swappable: The PWR-3900-DC/2 is hot-swappable, allowing users to replace it without having to power down the router.
- Compact Design: The compact design of the PWR-3900-DC/2 makes it easy to install and maintain.
The PWR-3900-DC/2 is a reliable and efficient power supply unit that provides backup power to Cisco 3900 series routers. The dual inputs, high efficiency, hot-swappable design, and compact form factor make this power supply unit an ideal choice for network administrators looking to improve their network's reliability and maintainability.
Troubleshooting and MaintenanceTroubleshooting:
- No Power: Check if the power cable is connected properly, and if the AC voltage input is within the acceptable range. If the problem persists, the power supply may be faulty and need replacement.
- Overheating: Check the ventilation around the power supply to ensure adequate airflow. If the problem persists, it may be due to a malfunctioning fan or a damaged thermal sensor, which would require repair or replacement.
- LED Indicator Not Illuminated: This could indicate a failure in the power supply or the system. Check the wiring and connections, and if the problem persists, the power supply may need to be replaced.
Maintenance:
- Regular Cleaning: Dust and debris can accumulate over time and affect the cooling performance of the power supply. Regular cleaning is recommended to maintain optimal operation.
- Firmware Upgrade: To ensure the power supply is running the latest firmware, perform regular firmware upgrades to address any known bugs and improve performance.
- Power Supply Replacement: If the power supply is damaged or has reached the end of its life cycle, it should be replaced with a new one to ensure optimal performance and reliability.
Reliability refers to the ability of a device to perform its intended functions consistently and accurately over time. The PWR-3900-DC/2 Cisco DC Proprietary Power Supply is designed to be a reliable power source for Cisco equipment, ensuring that the connected devices are powered up and running smoothly without interruption. This power supply has a high reliability rating and is built with high-quality components, ensuring consistent and accurate performance even under extreme environmental conditions.
Durability refers to the ability of a device to withstand wear and tear, environmental factors, and general wear over time. The PWR-3900-DC/2 Cisco DC Proprietary Power Supply is built with rugged, high-quality components and is designed to withstand extreme environmental conditions such as temperature fluctuations, dust, moisture, and other harsh conditions. This makes it a durable power source for your Cisco equipment, ensuring that it continues to provide reliable performance for years to come.
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
- Cisco Integrated Services Routers:
- 3925
- 3945
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Other Available Conditions for this Part
Other Available Categories For - Power Supply - Router PSU
Warranty
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What does ALLHDD.Com warranty cover?
30-days to 3 years warranty:
Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.
What is not covered by our warranty?
The reason why our warranty does not cover any problem caused by the following conditions:
(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;
(b) any misuse outside the instructions in the user manual for any specific product;
(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.
What is the Manufacturer/Brand Warranty?
In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).
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Important notes:
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Individual product warranty mentioned on each item product description page/detail page.
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Delivery
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