CHAPTER 6
Installing a Fan Module
• Fan Modules Overview , on page 97
• Installation Guidelines, on page 98
• Installing a Fan Module, on page 98
• Finding the Fan Module Serial Number, on page 99
Fan Modules Overview
All the switches except C9300LM-48T-4Y have 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. A switch with one or more fans failed or removed will operate with fans at a faster speed,
producing increased sound.
Sharp edges on the fan module can cause serious injury. Keep fingers clear.
Danger
Figure 59: Fan Module
Retainer clip3Fan LED1
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
97
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