Figure 6: Power Supply LEDs (650 W AC Shown)
Power supplies have two LEDs: one for power status and one for a failure condition.
Power LED2Fault or Error LED1
DescriptionStateLED
Power supply is on and functioning properlySolid greenPower LED
3.3 V voltage standby (VSB) is on but the power supply is not
powering up the Fabric Interconnect
Blinking green
There is no AC power to the power supplyOff
Power supply failure that indicates an over voltage, over current,
or over temperature
Solid amberFault/error LED
AC power is present, 3.3 VSB is on, and the power supply is
off
Blinking amber
Normal operationOff
Fan Modules
The Cisco UCS 6454 FI and the Cisco UCS 64108 FI use different fan modules.
• Cisco UCS 6454 FI: four fan modules. The fans support 3+1 redundancy. All fans are hot swappable
but only one fan can be removed at a time.
• Cisco UCS 64108 FI: three fan modules. The fans support 2+1 redundancy. All fans are hot swappable
but only one fan can be removed at a time.
FanFabric Interconnect
Cisco UCS 6400 Series Fabric Interconnect Hardware Installation Guide
8
Product Overview
Fan Modules