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Monitor the Switch
Table 14: Front Panel System LEDs (continued)
Label or Type
FAN
SYS
(System)
PWR
(Power)
SECURE
800 W AC Power Supply LEDs
The following table describes the meanings of the LEDs on the 800 W AC power
supplies (part number XN-ACPWR-800W-F or XN-ACPWR-800W-R).
The LEDs are located on the end of the power supply unit, arranged vertically to the left
of the power cord receptacle.
Table 15: 800 W AC Power Supply LED Status Indications
Label and
Color
!
Amber
AC
(Green)
800 W DC Power Supply LEDs
The following table describes the meanings of the LEDs on the 800 W DC power
supplies (part number XN-DCPWR-800W-F or XN-DCPWR-800W-R).
Color/State
Steady green
Steady amber
Off
Steady green
Steady amber
Off
Steady green
Blinking green
Off
Steady blue
Very slow blinking blue
(0.25Hz)
Fast blinking blue (4Hz) Authentication failed
Slow blinking blue (1Hz) Authenticating or updating images
Off
Description State
Meaning
Fault
On
PSU fault
Indicator
(Solid)
Off
No PSU fault
AC input
On
AC input OK
Good
Off
AC input fail
800 W AC Power Supply LEDs
Meaning
All fans operating normally
A fan has been removed or fault
detected
No power to fan modules
System loaded properly and is ready
Either the PSU or fan or both are
faulty, not present, or the system has
not loaded properly
CPU power is off
Normal operation
System in reset
Unit not operational
Authentication complete
Bypass authentication (debug only)
Authentication begin or fault
Extreme 7720 Hardware Installation Guide
79
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