Dell MD1280 manual Psu

Page 28

LED Indicators

6 Gbps SAS I/O module

14 one-color LED status indicators, four each for

 

the three SAS ports, and two for the module status

Fan module

• One single-color LED indicator for module

 

status

 

• One single-color LED indicator for battery fault

 

status (not currently used)

 

• One single-color LED indicator for fan fault

 

status

 

• One single-color LED indicator for power

 

status

PSU

• One singlecolor LED indicator for PSU fault

 

status

 

• One singlecolor LED indicator for AC fault

 

status

 

• One singlecolor LED indicator for power status

 

 

Power Supply Units (per PSU)

 

 

 

Watt

2.8 kW

Voltage

200–240 VAC (8.6 A–4.3 A)

Heat dissipation

191–147 W

Maximum inrush current

Under typical line conditions and over the entire

 

system ambient operating range, the inrush current

 

may reach 55 A for each PSU for 10 ms or less.

 

 

Available Hard Drive Power (Per Slot)

 

 

 

Supported hard drive power consumption

Up to 1.16 A at +5 V, Up to 1.6 A at +12 V

(continuous)

 

 

 

I/O Card Power (Per Slot)

 

 

 

Maximum power consumed by I/O Card

11 W at +12 V

Maximum available power

100 W at +12 V

Maximum available power

1 W at +5 V (standby)

 

 

Physical

 

 

 

Height

22.23 cm (8.75 inches)

Width

48.26 cm (19 inches)

28

Image 28
Contents Dell Storage MD1280 Service Guide Page Contents Technical specifications Contacting Dell About the Dell Storage MD1280 Service Guide Front-panel features and indicatorsDell Storage MD1280 overview Dell Storage MD1280 hardwareFront-panel features and indicators Back-panel features and indicators EMM features and indicators Back-panel features and indicatorsFan module features and indicators O EMM features and indicatorsPSU features and indicators Fan module features and indicatorsDdic indicator Ddic indicatorDdic indicator Safety precautions Electrical safety precautionsGeneral safety precautions Replacing Dell Storage MD1280 componentsPre-replacement tasks Replacing PSUsRemoving a PSU Identifying the failed fan module Replacing fan modulesReplacing a fan module Replacing hard drives Numbering the hard driveIdentifying the failed hard drive Replacing hard drivesOpening a Ddic Ddic Replacing I/O EMM modules Closing a drive drawerIdentifying the failed EMM Replacing an EMMReplacing chassis Replacing rack railsPost-replacement tasks Turning on the EMMs and enclosureTroubleshooting Dell Storage MD1280 components Troubleshooting fan modulesTroubleshooting PSUs Troubleshooting DDICsTroubleshooting I/O EMMs Technical specifications PSU Physical Depth front mounting bracket to rear surface Page Page Contacting Dell