Chapter 6 Managing the Device Hardware

Power Supply Configuration Modes

Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m

2

N7K-M132XP-11

423.50

8.47

423.50

8.47

Powered-Up

5

N7K-SUP1

210.00

4.20

210.00

4.20

Powered-Up

6

N7K-SUP1

210.00

4.20

210.00

4.20

Powered-Up

Xb1

N7K-C7010-FAB-1

60.00

1.20

60.00

1.20

Powered-Up

Xb2

N7K-C7010-FAB-1

60.00

1.20

60.00

1.20

Powered-Up

Power Usage Summary:

 

 

--------------------

 

 

Power Supply redundancy mode:

PS-Redundant

Power Supply redundancy operational mode:

Non-Redundant

Total Power Capacity

12000.00

W

Power reserved for Supervisor(s)

420.00

W

Power reserved for Fan Module(s)

2184.00

W

Power reserved for Fabric Module(s)

300.00

W

Power currently used by Modules

1197.00

W

 

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Total Power Available

7899.00

W

 

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switch#

 

 

Power Supply Configuration Modes

This section includes the following topics:

Power Supply Configuration Overview, page 6-8

Power Supply Configuration Guidelines, page 6-11

Power Supply Configuration Overview

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

Combined mode—Provides the maximum amount of available power by utilizing the combined power output from all installed power supply units for device operations. This mode does not provide redundancy.

Power-supply redundancy mode—Allows you to replace a power supply during device operations. All power supply units are active. The available power is calculated as the least amount of power available from all but one of the power supply units (N+1). The reserve power is the amount of power output by the power supply that can output the most power. For example, if three power supply units output 3 kW, 6 kW, and 6 kW, the available power is 9 kW (3 kW + 6 kW) and the reserve power is 6 kW.

Input source redundancy mode—Takes power from two electrical grids so that if one grid goes down, the other grid can provide the power needed by the device. 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 the amount of power output by the portions of power supply units connected to the same grid. For example, if three power supply units are connected to a 110-V grid and a 220-V grid, each power supply outputs

1.2 kW for the 110-V grid and 3.0 kW for the 220-V grid. The available power would be 3.6 kW (1.2 kW + 1.2 kW + 1.2 kW) and the reserve power would be 9.0 kW (3.0 kW + 3.0 kW + 3.0 kW).

Cisco Nexus 7000 Series Hardware Installation and Reference Guide

6-8

OL-18634-01

 

 

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Cisco Systems N7KC7018RF, 7000, UCSCPCIECSC02 manual Power Supply Configuration Modes, Power Supply Configuration Overview

N6KC600164P, UCSCPCIECSC02, N7KF248XP25E, N7KF248XT25E, N7KF248XT25EP1 specifications

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