Dell PowerVault MD1220 - Manual (Page 14)

14
About Your Enclosure
Figure 1-6. Enclosure Management Module
Item Indicator, Button, or
Connector Icon Description
1 System status
indicator Blinks blue when the system
identification button is pushed. You can
identify a particular enclosure in a rack
using the system identification indicator.
2 Debug port For engineering use only.
3 SAS port (In) IN Provides SAS connections for cabling the
host or an upchain expansion enclosure
(unified mode only).
4 In port link status Lights green when all the links to the
port are connected.
Lights amber when one or more links to
the port are not connected.
The LED remains off if enclosure is not
connected.
5 SAS port (Out) OUT Provides SAS connections for cabling to
the next down chain expansion enclosure
in a daisy chain (unified mode only).
NOTE:
The SAS port Out is disabled if the
enclosure is running in a split-mode
configuration.
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