Cisco Nexus 7000 - Page 173

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Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-07
Chapter 6 Installing Power Supplies
Connecting a DC Power Supply to DC Power Sources
Figure 6-8 Connecting a PIU to a Power Supply and a 3- or 6-kW Power Supply for Combined Power Mode
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1 3-kW DC power supply (1 to 4) 4 6-kW DC power supply (1 to 4)
2 Power Interface Unit (PIU) 5 Connections for 3 kW of available power
3 DC power grid 6 Connections for 6 kW of available power