I/O Modules; Power Supplies; Fans - Dell PowerEdge MX7000 Manual

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I/O Modules

The I/O Modules (IOMs) support either a Fabric A/B interconnect or a Fab-C interconnect. The Fab A/B IOMs span the entire

width of the chassis, using direct orthogonal connections to the compute sleds. When installing these, the IOM will engage

simultaneously with the Vertical PDB and the sleds. .

The Fab C IOMs span one half of the chassis width, installing side by side in the back of the chassis. These IOMs plug directly into

the Main DB using three high density right-angle connectors.

The MX7000 Power Supplies(PSUs) utilize a new front-loading form factor. Up to six PSUs plug into the front of the chassis. These

mate directly with connectors on the Main Distribution Board (DB). The AC connections come from the rear of the chassis cabling to

connections on the Power Distribution Board (PDB).

There are two different types of fan module used in the MX7000 chassis, 60mm fans in the front and 80mm fans in the rear. Each

fan is enclosed in a mechanical assembly to make up the module. The fan modules are hot-swappable, with 3+1 redundancy for the

front fans, and 4+1 redundancy for the rear fans. The system should always be populated with the full set of fans to support the

airflow requirements of the chassis.

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