Cisco Catalyst 3850 - Finding the Fan Module Serial Number

Finding the Fan Module Serial Number
If you contact Cisco Technical Assistance regarding a fan module, you need to know the fan module serial
number. See the following illustration to find the serial number.
Figure 70: Fan (Single) Module Serial Number
Figure 71: Fan (Double) Module Serial Number
Catalyst 3850 Switch Hardware Installation Guide
OL-26779-0586
Installing the Fan
Finding the Fan Module Serial Number