Extreme Networks 1200 W DC PSU
Extreme Networks Consolidated ExtremeXOS Hardware Installation Guide
145
Front Panel LEDs
The front panel of the 1200 W DC PSU provides status LEDs. Table 18 identifies the symbols and
describes the LED behavior.
Airflow enters from the front vents on the 1200 W DC PSU and exits to the rear vents of the switch.
Airflow through the 1200 W DC PSU is independent from the airflow that exists through the rest of the
switch.
Table 18: Extreme Networks 1200 W DC PSU front panel LED behavior
PSU Condition
Power
Green
Predictive Fail
Amber
Fail
Amber
Power supply DC outputs working normally On Off Off
DC input power present/standby output on Blinking Off Off
Current limit on 48 VDC output On Off Blinking
Predictive failure On Blinking Off
No input power to this PSU only Off Off On
No input power to any PSU Off Off Off
Power supply failure Off Off On
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