Extreme Networks BlackDiamond 8800 Series - Manual (Page 99)

Installing an Extreme Networks 1200 W DC PSU
BlackDiamond 8800 Series Switches Hardware Installation Guide 99
NOTE
Leave the ESD strap permanently connected to the switch, so that the strap is always available when you need to
handle ESD-sensitive components.
LEDs
The front panel of the 1200 W DC PSU provides status LEDs. Table 17 identifies the symbols and
describes the LED activity.
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