AC OK LED3Release latch1
PS OK LED4AC power cord connector2
If no power supply is installed in a power supply slot, install a power supply slot cover.
Figure 27: Power Supply Slot Cover
Retainer clips2Release handles1
Table 11: Switch Power Supply Module LEDs
DescriptionPS OKDescriptionAC OK
Output is disabled, or input is outside
the operating range (AC LED is off).
OffNo AC input power.Off
Power output to switch active.GreenAC input power present.Green
Output has failed.Red
Finding the Power Supply Module Serial Number
If you contact Cisco Technical Assistance regarding a power supply module, you need to know the serial
number. See the following illustrations to find the serial number. You can also use the CLI to find out the
serial number.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
41
Installing a Power Supply Unit
Finding the Power Supply Module Serial Number