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6-9
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-18634-01
Chapter 6 Managing the Device Hardware
Power Supply Configuration Modes
Full redundancy mode—Provides both power-supply redundancy and in put -s ource r edund an cy.
This mode lets you replace a power supply without inter ruptin g sy stem o per atio ns or con tin ue
powering the device if one of two grids goes down. The ava ilab le powe r is t he le sser amo unt of
output power for power supply redundancy or input source r edunda nc y.
To determine the amount of available power for 6-kW power supply units in each power mode, see
Table 6-1. To determine the amount of available power for 7.5-kW power supply units, see Ta ble 6-2.
Tab l e 6-1 Power Availability for 6-kW Power Supply Units
Combined
Mode
Power
Supply
Redundancy
Mode
Input Source
Redundancy
Mode
Full
Redundancy
Mode
Dual inputs per power supply unit
220-V and 220-V inputs
1 power supply 6000 W 3000 W
2 power supply units 12,000 W 6000 W 6000 W 6000 W
3 power supply units 18,000 W 12,000 W 9000 W 9000 W
220-V and 110-V inputs
1 power supply 4200 W 1200 W
2 power supply units 8400 W 4200 W 2400 W 2400 W
3 power supply units 12,600 W 8400 W 3600 W 3600 W
110-V and 110-V inputs
1 power supply 2400 W 1200 W
2 power supply units 4800 W 2400 W 2400 W 2400 W
3 power supply units 7200 W 4800 W 3600 W 3600 W
Single inputs per power supply unit
220-V input
1 power supply 3000 W — — —
2 power supply units 6000 W 3000 W — —
3 power supply units 9000 W 6000 W — —
110-V input
1 power supply 1200 W — — —
2 power supply units 2400 W 1200 W — —
3 power supply units 3600 W 2400 W — —