Dell PowerVault MD1120 Hardware Owner's Manual page 15

Table 1-4. EMM Component Functions
Item Component Icon
1 Debug Port
2 SAS Port (In) In
3 In Port Link
Status LED
(green/amber)
4 SAS Port (Out) Out
5 Out Port Link
Status LED
(green/amber)
Function
Dell factory/technical support use only.
Provide SAS connection for cabling to
host or next upchain expansion enclosure
(unified mode only).
Green: All links into the port are
connected.
Amber: One or more links into the port
are not connected.
Off: Interface is not active.
Provide SAS connection for cabling to the
next downchain expansion enclosure in a
daisy chain (unified mode only).
NOTE:
The SAS Out port is disabled if the
enclosure is running split mode. For more
information, see "Operating Your Storage
Enclosure" on page 21.
Green: All links out of the port are
connected.
Amber: One or more links out of the port
are not connected.
Off: Interface is not active.
About Your System
15