Extreme Networks 7720 - 800 W DC Power Supply LEDs

The LEDs are located on the end of the power supply unit, arranged vertically to the left
of the power cord receptacle.
Table 16: 800 W DC Power Supply LED Status Indications
Label and Color Description State Meaning
!
Amber
Fault Indicator On (Solid) PSU fault
Off No PSU fault
OUT OK
(Green)
DC output Good On (solid) DC output OK
Off or Blinking DC output fail
IN OK
(Green)
DC input Good "IN
OK"
On DC input OK
Off DC input fail
800 W DC Power Supply LEDs Monitor the Switch
80 Extreme 7720 Hardware Installation Guide