Figure 27. I/O Cooling Air Profile; Figure 28. Power Supply Inlet And Cooling Air Profile - Dell PowerEdge M1000e Technical Manual

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Figure 27. I/O Cooling Air Profile

The I/O Modules use a bypass duct to draw ambient air from the front of the system to the I/O

Module inlet, as seen in the figure. This duct is located above the server modules. This cool air is

then drawn down through the I/O Modules in a top to bottom flow path and into the plenum between

the midplane and fans, from where it is exhausted from the system.

The Power Supplies, located in the rear of the system, use basic front‐to‐back cooling, but draw

their inlet air from a duct located beneath the server modules, as seen in the figure above. This

insures that the power supplies receive ambient temperature air.

PowerEdge M1000e Technical Guide

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