Cisco N7K-DC-3KW Power Supply (PSU)

The Cisco Nexus® 7000 Series Switches support power supplies specifically designed for DC environments. The Cisco Nexus 7000 3.0-kW DC Power Supply Module scales from 1500W to 3000W and the Cisco Nexus 7000 6.0kW DC Power Supply scales from 1500W to 6000W. The DC power supplies deliver fault-tolerant load-sharing capability together with full support for hot-swappable DC power to the Cisco Nexus 7000 Series.

Each Cisco Nexus 7000 Series system accommodates multiple power supplies to provide both system and data center facility fault tolerance. The Cisco Nexus 7000 Series offers a variety of AC and DC power supply options to meet the diverse needs of enterprise and service provider customers.

The dual input 3.0-kW and quad input 6.0-kW DC power supplies are optimized for service provider central-office deployments. By providing support for multiple inputs, the DC power supply allows customers to customize the output power to meet their application needs.

The 6.0-kW DC power connections are made using a hot-swappable DC power cables that enables quick and easy installation of the power supplies without the need to disturb the DC terminal blocks. The DC power cable is not included with the 3.0-kW DC power supply. The DC power cable is included with the 6.0-kW power supply. In the case of the 6.0-kW power supply, the DC cable supports both direct connection to DC power sources and connection to an intermediate power interface unit in situations in which connections to the source are beyond the cable length.

The Cisco Nexus 7000 Series DC power interface unit (PIU) is an optional element that is provided for environments in which the Cisco Nexus 7000 Series DC cable needs to connect to existing DC power cabling; it provides 16 two-pole terminal connections. The PIU supports one or two Cisco Nexus 7000 6.0-kW DC power supply modules, with each power supply using two DC power cables for a total of four connections to the PIU. The PIU and DC power cable is not supported with the Cisco Nexus 7000 3.0-kW DC power supply modules.