Chapter 3 Technical Specifications

Power Specifications for the Nexus 7010 System

Se n d d o c u m e n t c o m m e n t s t o m d s f e e d b a ck - d o c @ c i s c o . c o m

Power Requirements

To determine the power requirements of the Nexus 7000 System, add the power requirements of each of its components.

The quantity of each type of module in your system depends on how you configure your system. You can configure your system according to the following minimum and maximum guidelines:

(Minimum) 1 supervisor module, 1 I/O module, 3 fabric modules, 2 power supplies

(Maximum) 2 supervisor modules, 8 I/O modules, 5 fabric modules, 3 power supplies

Table 3-4lists the power requirements for each type of module that can be included with the the Nexus 7010 system.

Table 3-4

Power requirements for the Nexus 7010 system

 

 

 

 

 

Component

 

Maximum

Typical

 

 

 

 

Supervisor module

200 watts

190 watts

 

 

 

 

48-port I/O module

400 watts

358 watts

 

 

 

 

32-port I/O module

750 watts

611 watts

 

 

 

 

 

Fabric module

 

60 watts

55 watts

 

 

 

 

All fan trays (total)

2184 watts

300 watts

 

 

 

 

 

Power supply

 

300 watts

200 watts

 

 

 

 

 

Power Supply Configuration Modes

You can configure one of the following power modes to either utilize all of the available power provided by the installed power supplies or to provide power redundancy when there is a power loss:

Combined mode—This mode provides the maximum amount of available power by utilizing the combined power output from all installed power supplies for system operations. This mode does not provide a redundancy.

Power-supply redundancy mode—This mode lets you replace a power supply during system operations. All power supplies are active but the available power is calculated as the least amount of power available from all but one of the power supplies (N+1) and the reserve power is the amount of power output by the power supply that can output the most power. For example, if three power supplies output 3.0 kW, 6.0 kW, and 6.0 kW, the available power is 9.0 kW (3.0 kW + 6.0 kW) and the reserve power is 6.0 kW.

Input source redundancy mode—This mode takes power from two electrical grids so that if one grid goes down, the other grid can provide the power needed by the system. Each grid powers half of each power supply (grid A is connected to the Input 1 receptacle on each power supply and grid B is connected to the Input 2 receptacle on each power supply). The available power is calculated as the amount of power output by the portions of power supplies connected to the same grid. For example, if three power supplies are connected to a 110V grid and a 220V grid, each power supply outputs 1.2 kW for the 110V grid and 3.0 kW for the 220V grid. The available power would be

3.6kW (1.2 kW + 1.2 kW + 1.2 kW) and the reserve power would be 9.0 kW (3.0 kW + 3.0 kW +

3.0kW).

Cisco Nexus 7000 System Site Preparation Guide

 

OL-15846-01

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Cisco Systems 7000 manual Power Requirements, Component Maximum Typical

7000 specifications

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