There are two power supply inlets in the system (for redundancy). The system can operate with only one power supply connected. In
case the power supply is an FRU, a second power supply unit can be added to support hot-swap ability. Each power supply unit has a
single 2 color LED on the right side of the unit, that indicates the status of the unit.
SN2700 and SN2410 Rear Side Panel
SN2740 Side Panel
The primary power supply (PS) unit is located on the left side, and the secondary unit is located on the right side.
Power Supply Unit Status Front LED Assignments for SN2700, SN2740 and SN2410
LED Behavior Description Action Required
Solid Green All plugged (one or two) power supplies are
running normally.
N/A
Solid Red PSU is faulty or disconnected. Make sure the AC cable is plugged in and active. If
the problem resumes, the FRUs might be faulty, and
should then be replaced.
Off N/A N/A
Power Supply Unit Status Front LED Assignments for SN2100/SN2010
LED Behavior Description Action Required
Solid Green Power supply is running normally. N/A
Solid Red PSU is faulty or disconnected. Make sure the AC cable is plugged in and active. If
the problem resumes, the PSU might be faulty.
Off PSU not present N/A
The power supply status LEDs on the rear side of the system (in SN2700, SN2740 and SN2410 only) are located on the PSUs
themselves. Each PSU has one LED of its own.
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