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Expansion Controller Modules
Use the expansion controller modules to expand the storage capacity up to a maximum of 120 disks (180 disks with
premium feature kit), by daisy-chaining your storage enclosure with up to two MD3060e expansion enclosures.
MD3060e Expansion Module Features And Indicators
Figure 14. 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 support only.
4 Telnet port Dell 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 seven-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.
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