Name: 3925/3945 AC Power Supply with PoE Secondary Ps
Brand: Cisco
Price: 3457.95 USD
Availability: InStock

Cisco PWR-3900-POE/2 3925/3945 AC Power Supply with PoE Secondary Ps

The Cisco PWR-3900-POE/2 is a high-performance AC power supply designed for the Cisco 3925 and 3945 Integrated Services Routers. This unit delivers reliable primary power while also providing Power over Ethernet (PoE) capability through a secondary p... Read More

price

$3,457.95

Direct ship item. 2-3 week lead time.

In Stock: 5
Manufacturer: Cisco
Model or Part: PWR-3900-POE/2
Condition: Refurbished
Weight: 1.00lb
Dimensions: 14.00in x 11.00in x 8.00in

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The Cisco PWR-3900-POE/2 is a high-performance AC power supply designed for the Cisco 3925 and 3945 Integrated Services Routers. This unit delivers reliable primary power while also providing Power over Ethernet (PoE) capability through a secondary power source, enabling seamless operation of PoE-enabled devices such as IP phones, wireless access points and security cameras directly from the router chassis.

Key Features

Dual output design - primary AC power for the router and secondary PoE power for attached devices
Supports up to 30 watts per PoE port, compliant with IEEE 802.3af standard
Hot-swap capable for non-disruptive replacement and maintenance
Built-in protection against over-voltage, over-current and short circuit conditions
Compact 1U form factor fits standard Cisco rack mounts
LED indicators for power status and PoE activity

Technical Specifications

Model/Part Number: PWR-3900-POE/2
Input Voltage: 100-240 VAC, 50/60 Hz
Output Power (router): 350 watts maximum
PoE Output: 30 watts per port, up to 8 ports
Efficiency: up to 90 percent at full load
Operating Temperature: 0 to 40 degrees Celsius (32 to 104 degrees Fahrenheit)
Storage Temperature: -20 to 70 degrees Celsius (-4 to 158 degrees Fahrenheit)
Dimensions: 1.75 in (height) x 17.5 in (width) x 13.5 in (depth)
Weight: approx 7.5 lbs

Applications

Enterprise branch office routers that require integrated PoE for voice and video devices
Small to medium business networks seeking to simplify cabling and power distribution
Remote sites where power redundancy and PoE capability reduce equipment footprint
Network deployments that demand high availability and easy maintenance through hot-swap functionality

By combining robust power delivery with built-in PoE support, the Cisco PWR-3900-POE/2 enhances network reliability, simplifies infrastructure, and lowers total cost of ownership for any deployment that relies on Cisco 3925 or 3945 routers.