Power Supply Unit (Psu); Figure 14: Power Supply Unit (Psu) Of The Storage Subsystem - Cisco C880 M4 Operating Manual

Operating and Indicator Elements

Power Supply Unit (PSU)

The power supply unit transforms input AC power from a power socket to DC
power and supplies power to each component.
Each power supply unit contains fans.

Figure 14: Power supply unit (PSU) of the Storage Subsystem

Power LED
1.
Fault LED
2.
AC missing LED
3.
Fan fail LED
4.
Power switch to power on and off the AC power supply.
5.
Inlet for connecting an AC power cord.
6.
LED LED Status
Power
(green)
Fault
(amber)
AC
(amber)
missing
Fan fail
(amber)
Cisco C880 M4 Storage Subsystem Operating Manual for Server with E7-8800 v3 CPU
Meaning
AC power is supplied to the power supply
unit.
The power supply is in error status.
AC power is not supplied to this power
supply unit, but AC power is supplied to
the other power supply unit.
The fan in the power supply unit is in error
status.
Front Side
27