Fan Modules - Cisco UCS 6400 Series Hardware Installation Manual

Fan Modules

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