Interfaces Rev 1.6
Mellanox Technologies
57
3.2.1.3 Power Supply Status LEDs
Figure 58: Power Status LED
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.
Figure 59: SN2700 and SN2410 Rear Side Panel
The primary power supply (PS) unit is located on the left side, and the secondary unit is located
on the right side.
The following information does not apply to the SN2100 systems. In these systems,
the power supply units are non-replaceable, and there is a designated LED for each
unit in the system’s front panel. See
Figure 3 and Figure 5.
Table 18 - Power Supply Unit Status Front LED Assignments for SN2700 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
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