Dell MD1400 manual Back-panel features and indicators, Enclosure Management Module

Hard disk drive- status indicator pattern (RAID	Condition
Only)
Blinks green for three seconds, amber for three	Rebuild aborted
seconds, and turns off in six seconds.

Back-panel features and indicators

Figure 4. Back-panel features and indicators

Item	Indicator, Button, or Connector	Description
1	Power supply unit or cooling fan	600 W power supply.
	module (PS1)	For more information, see Power indicator codes.
2	Primary enclosure management	The EMM provides:
	module (EMM 0)	• a data path between the enclosure and the host server.
3	Secondary EMM (EMM 1)	• enclosure management functions for your enclosure.
4	Information tag	A slide-out label panel, which allows you to record Service
		Tag.
5	Power switches (2)	The power switch controls the power supply output to the
		enclosure.
6	Power supply unit or cooling fan	600 W power supply.
	module (PS 2)	For more information, see Power indicator codes.

Enclosure Management Module

Each EMM provides the following data path and enclosure management functions for your enclosure:

•Monitoring and controlling enclosure environment elements such as temperature, fan, power supply units, and enclosure LEDs.

•Controlling access to hard disk drives.

•Communicating enclosure attributes and states to the host server.

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