Expansion Controller Modules - Dell PowerVault MD3860i Owner's Manual

Item Indicator, Button, or
Connector
3 12 Gbps SAS IN port (2)
4 USB port
5 Mini USB port
6 Password reset switch
7 SAS expansion port (2)
8 10 Gbps iSCSI IN port (2)
9 Seven segment display
sequence
10 System identification
indicator
11 Controller fault indicator
12 Controller power
indicator
13 Cache active or cache
offload indicator
14 Battery fault indicator

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), by daisy-chaining your storage enclosure with up to two MD3060e
expansion enclosures.
NOTE: Hot-plug of MD3060e expansion enclosure is not supported.
16
Icon Description
Provides host-to-controller SAS connection.
Reserved port.
Dell support only.
Pressing this switch resets the password.
Provides SAS OUT connection for cabling to a daisy
chained expansion enclosure. Port 0 expansion port is
recommended.
Provides host-to-controller iSCSI connection.
Displays status or error codes for the storage array.
The system identification indicator blinks blue when
system identification switch push-button on the
enclosure front panel is pressed.
The controller fault indicator lights amber when
controller fault is detected.
The controller power indicator lights green when
controller power is on.
The cache active or cache offload indicator lights
green when on-board controller memory contains
data.
If AC power fails, this LED changes to indicate cache
offload status.
If the password reset function has successfully
changed the password, this LED flashes on and off
briefly.
The battery fault indicator lights amber when battery
backup unit or battery has failed.