About Your System 13
For a description of each component on the front panel of the EMM, see Table1-4. For an explanation of how to connect the enclosure using the EMM ports, see "Operating Your Storage Enclosure."Figure 1-5. EMM External Panel
Table 1-4. EMM Component Functions
Item Component Icon Function
1 Debug Port Dell factory use only.
2 SAS Port (In) In Provide SAS connection for cabling to host or next
upchain expansion enclosure (unified mode only).
3 In Port Link Status
LED (green/amber)
Green: All links into the port are connected.
Amber: One or more links into the port are not
connected.
Off: Interface is not active.
4 SAS Port (Out) Out 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."
5 Out Port Link
Status LED
(green/amber)
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.
123 4 5 6