Dell PowerVault MD1220 Hardware Owner's Manual - Page 12
Back-Panel Features and Indicators
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Drive-Status Indicator Pattern (RAID Only) Condition Blinks green, amber, and off Drive predicted failure Blinks amber four times per second Drive failed Blinks green slowly Drive rebuilding Steady green Drive online Blinks green three seconds, amber three seconds, and off six seconds. Rebuild aborted Back-Panel Features and Indicators Figure 1-5. Back-Panel Features and Indicators 1 2 3 4 5 Item Indicator, Button, or Icon Connector 1 Power supply/cooling PS 1 fan module 2 Primary enclosure EMM 0 management module (EMM) 3 Secondary EMM EMM 1 Description 600 W power supply. For more information, see "Power Indicator Codes" on page 17. The EMM provides: • a data path between the enclosure and the host server. • enclosure management functions for your enclosure. 12 About Your Enclosure