Dell PowerVault MD1220 Getting Started Guide - Page 11

LED Indicators (continued) EMM Power supply/cooling fan Three two-color LED status indicators, one each for the two EMM SAS ports and one for the EMM status Three LED status indicators for power supply status, power supply/cooling fan fault status, and AC status Switch System identification button Mode switch Located on the front control panel. This button is used to locate a system within a rack. 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) Getting Started With Your System 9