Figure 14: Representative AC Power Supply Status LED (PWR-1021-AC-RED)
1 Power supply status LED
2 Release
3 Handle
Table 11: AC Power Supply Status LED States (Rear)
provides status conditions that correspond to
the AC power supply status LED states.
Table 11: AC Power Supply Status LED States (Rear)
Power Supply State
PWR-1021-AC-RED
Input power present Normal
operation
Green
Input power present Power
Supply fault
ON/OFF: ON when PSU
output is ON, OFF when PSU
Output is OFF
Input power present Power
Supply FAN fault
FLASH 800 ms ON / 800 ms
OFF
No Input power Supply
installed in chassis
OFF
Input power present Supply
not installed in chassis
Green
Note: You can narrow down the error condition by logging in to the switch to view the specific
device state. Refer to the Arista User Manual's Switch Environment Control chapter, under
the topic Viewing Environment Status, for further information on the
show environment
commands.
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