SC100/SC120 Expansion Enclosure OverviewThe SC100 is a 2U expansion enclosure that supports up to 12 3.5‐inch hard drives installed in a four‐column, three-row configuration. The SC120 is a 2U expansion enclosure that supports up to 24 2.5‐inchhard drives installed vertically side by side.An SC100/SC120 expansion enclosure ships with two redundant power supply/cooling fan modules andtwo redundant enclosure management modules (EMMs).SC100/SC120 Expansion Enclosure Front-Panel Features and IndicatorsThe SC100/SC120 front panel shows the expansion enclosure status and power supply status.Figure 16. SC100 Front-Panel Features and IndicatorsFigure 17. SC120 Front-Panel Features and IndicatorsItem Name Icon Description1 Expansion enclosurestatus indicatorLights when the expansion enclosure power is on.• Off: No power• On steady blue: Normal operation• Blinking blue: Storage Center is identifying theenclosure• On steady amber: Expansion enclosure is turning on orwas reset• Blinking amber: Expansion enclosure is in the fault state2 Power supply statusindicatorLights when at least one power supply is supplying powerto the expansion enclosure.• Off: Both power supplies are off• On steady green: At least one power supply is providingpower to the expansion enclosure3 Hard drives — Dell Enterprise Plus Drives• SC100: Up to 12 3.5-inch hard drives24 About the SCv2000/SCv2020 Storage System
