Dell PowerVault MD1220 - Manual (Page 11)

Getting Started With Your System
9
EMM Three two-color LED status indicators,
one each for the two EMM SAS ports and
one for the EMM status
Power supply/cooling fan Three LED status indicators for power supply
status, power supply/cooling fan fault status,
and AC status
Switch
System identification button Located on the front control panel.
This button is used to locate a system
within a rack.
Mode switch Located on the front control panel.
This switch is used to switch the system
between unified and split mode operation.
Power Supplies
AC power supply (per power supply)
Wattage 600 W
Voltage 100–240 VAC (8.6 A–4.3 A)
Heat dissipation 188 W
Maximum inrush current Under typical line conditions and over the
entire system ambient operating range,
the inrush current may reach 55 A per
power supply for 10 ms or less.
Available Hard Drive Power (Per Slot)
Supported hard drive power
consumption (continuous) Up to 1.2 A at +5 V
Up to 0.5 A at +12 V
EMM Power (Per Slot)
Maximum power consumed by EMM 14 W at +12 V
Maximum available power 100 W at +12 V
Maximum available power 1 W at +5 V (standby)
LED Indicators (continued)