The Cisco UCS Fabric Interconnect is a top-of-rack switch that connects the LAN, SAN, and management to underlying physical compute servers for Ethernet and Fibre Channel access. Normally, a pair of Fabric Interconnects can be installed either in a single rack or distributed across two racks to provide rack and power redundancy. Fabric Interconnects can be installed at the bottom in case the network cabling is planned under the floor. All the components in a Fabric Interconnect come installed by default from the factory; only external components such as Ethernet modules, power supplies, and fans need to be connected.
Interconnect includes two redundant hot-swappable power supply units. It is recommended that the power supply in the rack come from two different energy sources and installed with a redundant power distribution unit (PDU). It requires a maximum of 750 Watts of power.
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