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Dell
5.3
Power Supplies
43B
The base redundant system consists of two hot-plug 1100 W power supplies in a 1+1 configuration.
R810 power supplies have embedded cooling fans. The PSUs have one status bi-color LED: green for
AC power present and amber for a fault.
FRU data is stored in the memory of the PSU Microcontroller. Additionally, the PSU Firmware can be
updated by the BMC over the PMBus.
Power is ―soft-switched‖, allowing power cycling via a switch on the front of the system enclosure,
or via software control (through server management functions).
In a single power supply configuration, the power supply is installed in PS1 location and a blank
module (metal cover) is installed in PS2 location for factory consistency. Electrically, the system can
operate with a single power supply in either bay.
5.4
Heat Dissipation
44B
Maximum system heat dissipation is 4012 BTU/Hr.
Dell PowerEdge R810 Technical Guide
LED
Power Supply Status
AC Power is not present
AC Power is present
Fault of any kind is detected
DC Power is applied to the system
PSU mismatch (when hot-
↔
plugged/swapped)
Table 3. Power Supply Status Indicator
Figure 11. R810 Power Supply
21
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