Dell MD1280 manual Technical specifications Contacting Dell

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Troubleshooting PSUs	25
Troubleshooting DDICs	25
Troubleshooting I/O EMMs	26
4 Technical specifications	27
5 Contacting Dell	32

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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