Dc Power Supply Module Back Panel Features; Removing And Installing The Dc Power Supply Unit - Dell MD1420 Hardware Owner's Manual

Item LED
1 Power output
2 Power supply
module fault
3 Line input

DC power supply module back panel features

Figure 16. DC power supply module back panel features
Item Feature
1 Power supply release lever
2 Connector on the power
supply module
3 Power supply On or Off
switch
4 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
Color State
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.
Yellow
• ON — Fault detected.
• OFF — OK.
• Blinks briefly when power is first turned on to the power supply module.
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.
Description
Unlocks the power supply module for removal from the storage array.
Connects the power supply module to the DC power supply module.
Controls the power supply module power output to the storage array.
Provides grounding for the power supply module. It must be connected to the building's
protective safety earth ground.
Installing enclosure components 19