Leds – Extreme Networks BlackDiamond 8800 Series User 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.
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