Dell MD1280 manual Fan module features and indicators, O EMM features and indicators

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Figure 3. I/O EMM features and indicators

Table 3. I/O EMM features and indicators

Item	Control/Feature	Icon	Description

1	Fault LED		• Off — Module OK
			• Amber — Module fault
2	Power LED		• Green (steady) — Module OK
			• Green (blinking) — Vital product data
			(VPD) fault

• Off — Module fault

3Console port

4SAS ports

5SAS port link status indicator LEDs

Factory use only

Connect to an HBA or to another enclosure

•Green (steady) — Connected, but not active

•Green (blinking) — Connected and active

•Off — Not connected

Fan module features and indicators

Dell Storage MD1280 enclosure includes five fan modules in five interface slots.

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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