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Hardware features
FIGURE 34 DC Power Supply
About redundant power supplies and power supply failure
A device with redundant power supplies can maintain full operation when one power supply fails. Power supply failure can be a failure of
the supply itself or the power grid connected to the power supply.
Cooling system and fans
This section describes the fans in the devices with 6 fans.
Cooling system and fans
shows the cooling fans.
FIGURE 35 Cooling Fans
1
Six cooling fans
The device cooling fans use pull configuration to move the air from the front to the back of the device.
ExtremeSwitching CES 2000 Series and ExtremeRouting CER 2000 Series Hardware Installation Guide
9035631-01
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