Dell MD1420 Hardware Owner's Manual

Item LED Color State
1 Power output Green
• ON — Normal operation. Power supply is connected to DC power and the power switch is
on. The power supply module is supplying DC power to the array.
• OFF — Indicates any one of the following:
• The power switch is off.
• The power supply module is not connected to power.
• There is a fault condition.
2 Power supply
module fault
Yellow
• ON — Fault detected.
• OFF — OK.
• Blinks briefly when power is first turned on to the power supply module.
3 Line input Green
• ON — Power supply module is connected to a source of DC power whether or not the power
switch is on.
• OFF — Power supply module is completely disconnected from any source of DC power.
DC power supply module back panel features
Figure 16. DC power supply module back panel features
Item
Feature Description
1 Power supply release lever Unlocks the power supply module for removal from the storage array.
2 Connector on the power
supply module
Connects the power supply module to the DC power supply module.
3 Power supply On or Off
switch
Controls the power supply module power output to the storage array.
4 Protective safety earth
ground
Provides grounding for the power supply module. It must be connected to the building's
protective safety earth ground.
Removing and installing the DC power supply unit
Input Requirements
• Supply voltage: –(48–60) V DC
• Current consumption: 25 A (maximum)
Kit Contents
• Molex # 394260002 at PSU end
Installing enclosure components
19

Dell MD1420 Specifications

General

Form Factor	2U Rack-Mountable
Interface	12Gbps SAS
Hot-Swap Bays	Yes
Drive Bays	24 x 2.5"
Maximum Capacity	Up to 192TB
RAID Support	Depends on controller
Power Supply	Redundant power supplies
Cooling	Redundant cooling fans
Product Type	Storage Enclosure
Number of Controllers	0 (JBOD)
Compatibility	Dell PowerEdge servers