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Installing Power Supply Units
BlackDiamond 12800 Series Switches Hardware Installation Guide
80
Front Panel LEDs
The front panel of the 1200 W DC PSU provides status LEDs. Table 17 identifies the symbols and
describes the LED behavior.
Table 17: Extreme Networks 1200 W DC PSU LEDs
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 V DC 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