Dell MD1280 manual Replacing I/O EMM modules, Closing a drive drawer

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Figure 13. Closing a drive drawer

1. Drive drawer

2. Open-drawer lock

8.Close the drive drawer.

a.Pull and hold both drive drawer releases and push the drive drawer inside slightly.

b.Release and push the drive drawer until it clicks into a place.

WARNING: After releasing the open‐drawer locks, move hands away from the slides to avoid injury while pushing the drive drawer inside.

NOTE: Allow the enclosure to identify the hard drive and determine its status. If the hard drive is functioning properly, DDIC LED is off.

Replacing I/O EMM modules

The Dell Storage MD1280 enclosure supports redundant hot‐swappable I/O Enclosure Management Modules (EMMs).

EMMs provide the following data path and enclosure management functions for the enclosure:

•Monitoring and controlling enclosure environment elements such as temperature, fan, PSUs, and enclosure LEDs

•Controlling access to hard drives

•Communicating enclosure attributes and states to the host

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Contents Dell Storage MD1280 Service Guide Page Contents Technical specifications Contacting Dell Front-panel features and indicators About the Dell Storage MD1280 Service GuideDell Storage MD1280 overview Dell Storage MD1280 hardwareFront-panel features and indicators Back-panel features and indicators Back-panel features and indicators EMM features and indicatorsO EMM features and indicators Fan module features and indicatorsFan module features and indicators PSU features and indicatorsDdic indicator Ddic indicatorDdic indicator Electrical safety precautions Safety precautionsGeneral safety precautions Replacing Dell Storage MD1280 componentsReplacing PSUs Pre-replacement tasksRemoving a PSU Replacing fan modules Identifying the failed fan moduleReplacing a fan module Numbering the hard drive Replacing hard drivesReplacing hard drives Identifying the failed hard driveOpening a Ddic Ddic Closing a drive drawer Replacing I/O EMM modulesReplacing an EMM Identifying the failed EMMReplacing rack rails Replacing chassisTurning on the EMMs and enclosure Post-replacement tasksTroubleshooting fan modules Troubleshooting Dell Storage MD1280 componentsTroubleshooting PSUs Troubleshooting DDICsTroubleshooting I/O EMMs Technical specifications PSU Physical Depth front mounting bracket to rear surface Page Page Contacting Dell