Dell PowerVault MD1220 - Manual (Page 13)

About Your Enclosure
13
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 supplies, and enclosure LEDs.
• Controlling access to hard drives.
• Communicating enclosure attributes and states to the host server.
NOTE:
At least one EMM must be installed in the enclosure. If only one EMM is
installed in the enclosure, it must be installed in the primary EMM bay and a blank
must be installed in the secondary EMM bay. See "Installing an EMM Blank" on
page 36.
4 Power switches (2) The power switch controls the power supply
output to the enclosure.
5 Power supply/cooling
fan module PS 2 600 W power supply.
For more information, see "Power Indicator
Codes" on page 17.
Item Indicator, Button, or
Connector
Icon Description
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