Information
The Cisco PWR-3900-POE/2 is a power supply module designed for Cisco 3900 Series Integrated Services Routers (ISRs). It provides power over Ethernet (PoE) capabilities to the router, allowing it to power PoE-enabled devices such as IP phones, wireless access points, and security cameras. The PWR-3900-POE/2 module has a maximum power output of 1150W and supports up to 48 PoE ports. It is a hot-swappable module, meaning it can be replaced without shutting down the router.
Specifications
Weight
22.5 lb (10.2 kg)
Redundant
Yes
Dimensions
17.3 x 3.4 x 16.0 in (43.9 x 8.6 x 40.6 cm)
Efficiency
90%
Output Power
3900 W
Hot Swappable
Yes
Output Current
72.2 A
Output Voltage
54 VDC
Input Frequency
47-63 Hz
Input Voltage Range
100-240 VAC
Overload Protection
Yes
Overvoltage Protection
Yes
Undervoltage Protection
Yes
Operating Humidity Range
5 to 95% non-condensing
Short Circuit Protection
Yes
Power over Ethernet (PoE)
Yes
Operating Temperature Range
-40 to 167°F (-40 to 75°C)