CHAPTER 5
Installing a Fan Module
• Fan Modules Overview , on page 63
• Installation Guidelines, on page 64
• Installing a Fan Module, on page 64
• Finding the Fan Module Serial Number, on page 65
Fan Modules Overview
The switch has three internal hot-swappable fans. A powered switch should always have more than one
operational fan. The switch can operate with two operational fans and one nonfunctional fan, but the failed
fan should be replaced as soon as possible to avoid a service interruption due to a second fan fault.
Figure 36: Fan Module
Retainer clip3Fan LED1
Extraction handles4Exhaust vent2
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
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