Owners Manual

MD3060e expansion module features and indicators
Figure 9. MD3060e expansion module features and indicators
Table 6. MD3060e expansion module features and indicators
Item Indicator, Button, or
Connector
Icon Description
1 SAS IN port 0 Provides EMM to RAID controller SAS connection.
2 SAS IN port 1 Provides EMM to RAID controller SAS connection.
3 Serial debug port Dell EMC support only.
4 Telnet port Dell EMC support only.
5 SAS OUT port Provides SAS connection for cabling to a downchain expansion
enclosure.
6 Diagnostic LED The numeric display consists of two 7-segment LEDs that provide
information about enclosure identification and diagnostics.
7 Controller power indicator The controller power indicator lights green when controller power is
on.
8 Service action required
indicator—system
The service action required indicator lights amber when there is a fault
in one of the components in the system.
9
Service action allowed
indicator
CAUTION: Remove the expansion module from the system
only if the service action allowed indicator lights blue.
Removing the expansion module from the system when the
service action allowed indicator is off may damage the
system.
Blue Indicates that you can safely remove the
expansion module from the system.
Off Indicates that you cannot remove the expansion
module from the system.
RAID controller module—additional features
Battery backup unit
Each RAID controller module contains a two-cell Lithium ion nanopolymer battery backup unit (BBU). It provides power to the
RAID controller module in the event of a power outage.
14
Controller modules