SCv300 and SCv320 Expansion Enclosure EMM Features and Indicators
The SCv300 and SCv320 expansion enclosure includes two enclosure management modules (EMMs) in two interface slots.
Figure 20. SCv300 and SCv320 Expansion Enclosure EMM Features and Indicators
Item Name Icon Description
1 SAS port status (1–
4)
• Green – All the links to the port are connected
• Amber – One or more links are not connected
• O – Expansion enclosure is not connected
2 EMM status
indicator
• On steady green – Normal operation
• Amber – Expansion enclosure did not boot or is not properly congured
• Blinking green – Automatic update in progress
• 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 dierent
between the two EMMs
3 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 conguration).
4 USB Mini-B (serial
debug port)
Not for customer use
5 Unit ID display Displays the expansion enclosure ID
26 About the SCv3000 and SCv3020 Storage System
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