Power Supply and Fan Assembly
● Power supply and fan assembly FRU overview.............................................................. 75
● Precautions specific to the power supply and fan assemblies........................................ 76
● Identifying the airflow direction........................................................................................ 77
● Power supply and fan assembly status LED................................................................... 77
● Power supply and fan assembly unit fault indicators...................................................... 78
● Power supply and fan assembly task guide.................................................................... 78
● Time and items required................................................................................................. 79
● Recording power supply and fan assembly critical information...................................... 79
● Removing a power supply and fan assembly..................................................................80
● Inserting a new power supply and fan assembly............................................................ 81
● Verifying the operation of the power supply and fan assemblies.................................... 82
Power supply and fan assembly FRU overview
The power supply and fan assembly units in the chassis can be removed and replaced without special
tools. The device can continue operating during the replacement.
The device supports the following types of power supplies.
• AC power supply with nonport-side air exhaust. This unit moves the air from the port-side to the
nonport-side of the device.
• AC power supply with nonport-side air intake. This unit moves the air from the nonport-side to the
port-side of the device.
1 Fan 3
2 Fan 2
3 AC power cable receptacle
4 Power supply and fan assembly status
LED
5 Power-on switch
6 Power supply and fan assembly handle
7 Fan 1
8 Captive screw
FIGURE 31 AC power supply and fan assembly
Hardware Installation Guide 75