Owners Manual

Item Name Icon Description
1 System identication
button
The system identication button on the front control panel can be used to
locate a particular expansion enclosure within a rack. When the button is
pressed, the system status indicators on the control panel and the
Enclosure Management Module (EMM) blink blue until the button is
pressed again.
2 Power LED The power LED lights when at least one power supply unit is supplying
power to the expansion enclosure.
3 Expansion enclosure status
LED
The expansion enclosure status LED lights when the expansion enclosure
power is on.
• Solid blue during normal operation.
• Blinks blue when a host server is identifying the expansion enclosure or
when the system identication button is pressed.
• Blinks amber or remains solid amber for a few seconds and then turns
o when the EMMs are starting or resetting.
• Blinks amber for an extended time when the expansion enclosure is in
a warning state.
• Remains solid amber when the expansion enclosure is in the fault state.
4 Hard disk drives
• SCv300 – Up to 12 3.5-inch SAS hot-swappable hard disk drives.
• SCv320 – Up to 24 2.5-inch SAS hot-swappable hard disk drives.
SCv300 and SCv320 Expansion Enclosure Back-Panel Features and
Indicators
The back panel provides controls to power up and reset the expansion enclosure, indicators to show the expansion enclosure status,
and connections for back-end cabling.
Figure 3. SCv300 and SCv320 Expansion Enclosure Back Panel Features and Indicators
Item
Name Description
1 Power supply unit and cooling fan
module (PS1)
600 W power supply
2 Enclosure management module
(EMM 0)
The EMM provides a data path between the expansion enclosure and the
storage controllers. The EMM also provides the management functions for
the expansion enclosure.
3 Enclosure management module
(EMM 1)
The EMM provides a data path between the expansion enclosure and the
storage controllers. The EMM also provides the management functions for
the expansion enclosure.
4 Information tag A slide-out label panel that records system information such as the Service
Tag
6