Dell PowerEdge M1000e Technical Guide - Page 28

Supported Voltages, Redundancy

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Dell Figure 22. M1000e Power Supply Rear View The Dell power supplies utilize output Oring FETs to isolate the power supply from the 12V system bus. If a single power supply fails its output Oring FET for that power supply will turn off removing itself from the bus. Think of it as an electrical switch that turns off when the power supply fails. 5.1.1 Supported Voltages Dell currently offers a power supply rated at 2360W 230V. With current sharing between power supplies, total system redundant power is approximately 7080W in a 3+3 power supply configuration. 5.1.2 Redundancy Power redundancy in the M1000e supports any necessary usage model, though the M1000e requires three power supplies to power a fully populated system or six power supplies in a fully redundant system. AC redundancy is supported in the following configurations, each of which requires the power supplies in slots 1, 2, and 3 to be connected to a different grid as compared to those in slots 4, 5, and 6. • 3+3 • 2+2 • 1+1 DC redundancy is supported in the following configurations, each with one extra power supply that comes online if one of the existing power supplies fails: PowerEdge M1000e Technical Guide 27

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Dell
PowerEdge M1000e Technical Guide
27
Figure 22.
M1000e Power Supply Rear View
The Dell power supplies utilize output Oring FETs to isolate the power supply from the 12V system
bus. If a single power supply fails its output Oring FET for that power supply will turn off removing
itself from the bus. Think of it as an electrical switch that turns off when the power supply fails.
5.1.1
Supported Voltages
Dell currently offers a power supply rated at 2360W 230V. With current sharing between power
supplies, total system redundant power is approximately 7080W in a 3+3 power supply configuration.
5.1.2
Redundancy
Power redundancy in the M1000e supports any necessary usage model, though the M1000e requires
three power supplies to power a fully populated system or six power supplies in a fully redundant
system.
AC redundancy is supported in the following configurations, each of which requires the power
supplies in slots 1, 2, and 3 to be connected to a different grid as compared to those in slots 4, 5,
and 6.
•
3+3
•
2+2
•
1+1
DC redundancy is supported in the following configurations, each with one extra power supply that
comes online if one of the existing power supplies fails: