Dell SCv3020 - Page 30

SCv360 Expansion Enclosure EMM Features and Indicators
The SCv360 includes two enclosure management modules (EMMs) in two interface slots.
Figure 25. SCv360 EMM Features and Indicators
Item Name Description
1 EMM status indicator
• O – Normal operation
• Amber – fault has been detected
• Blinking amber two times per sequence – Expansion enclosure is unable to communicate
with other expansion enclosures
• Blinking amber (four times per sequence) – Firmware update failed
• Blinking amber (ve times per sequence) – Firmware versions are dierent between the
two EMMs
2 SAS port status indicator
• Blue – All the links to the port are connected
• Blinking blue – One or more links are not connected
• O – Expansion enclosure is not connected
3 Unit ID display Displays the expansion enclosure ID
4 EMM power indicator
• Blue – Normal operation
• O – Power is not connected
5 SAS ports 1–4 (Input or
Output)
Provides SAS connections for cabling the storage controller to the next expansion enclosure in
the chain (single port, redundant, and multichain conguration).
30 About the SCv3000 and SCv3020 Storage System