Rear Panel LED:
In the SN5400 and SN5600 switches there are two power supply inlets in each system (for
redundancy). The system can operate with only one power supply connected. Each power supply
unit has two single color LEDs on the right side of the unit, that indicate the status of the unit.
When looking from the FRUs side, the first power supply (PS) unit is located on the left side of the
system, and the second unit is located on the right side.
Rear Side Panel
PS (1) Fan Modules PS (2)
*The figure is provided for Illustration purposes only. The design may slightly vary in different
systems.
Power Supply Unit Status Front LED Assignments
LED Behavior Description Action Required
Solid Green All power supply units are connected and
running normally.
N/A
Solid Amber One or both of the power supplies are not
operational or not powered up/ the power
cord is disconnected.
Make sure the power cord is plugged in
and active. If the problem resumes, refer
to Troubleshooting
for further
instructions.
Power Supply Unit Status Rear LED Assignments
LED
Behavior
Description Action Required
Solid Green The PSU is running normally. N/A
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