SC280 Expansion Enclosure EMM Features and Indicators
An SC280 includes two enclosure management modules (EMMs) in two Storage Bridge Bay (SBB)
interface slots.
Figure 24. SC280 Expansion Enclosure EMM Features and Indicators
Item Control/
Feature
Icon Description
1 Fault LED
• Off — Module OK
• Amber — Module fault
2 Power LED
• Green (steady) — Module OK
• Green (flashing) — Vital product data (VPD) fault
• Off — Module fault
3 Console port — Not for customer use
4 SAS ports — Connects to a storage controller or to another SC280
expansion enclosure.
5 SAS activity
indicators
— There are four SAS PHYs per SAS port.
• Off: SAS PHY is not connected
• Steady green: SAS PHY is connected, but no activity
• Blinking green: SAS PHY is not connected plus
activity
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About the SC4020 Storage System
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