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7-11
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-06
Chapter 7 Managing the Switch Hardware
Power Supply Configuration Modes
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Ful l re du nd an cy m od e— P rovid es bo th pow e r-supply red u nd an cy a nd i nput -sou rce redu n da ncy.
This mode lets y ou replace a power supply without interrupting system operations or continue
pow erin g th e sw itc h if o ne of tw o grid s g o es d o wn . Th e av ai la ble po we r is t he le sser amoun t o f
ou tpu t po w er for powe r supply red un d an cy or in put sou rce red u nd an cy.
To determine the amount of available power for 6-kW power supply units in each power mode, see
Table 7-1. To determine the amount of available power for 7.5-kW power supply units, see Ta ble 7-2.
Table 7-1 Power Availability for 6-kW Power Supply Units
Power Inputs
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 unit 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 unit 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 unit 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 unit 3000 W — — —
2 power supply units 6000 W 3000 W — —
3 power supply units 9000 W 6000 W — —
110-V input
1 power supply unit 1200 W — — —
2 power supply units 2400 W 1200 W — —
3 power supply units 3600 W 2400 W — —