Cisco Systems 2851 Series Manual De Usuario
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Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers
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Location of the Cisco 2821 and Cisco 2851 Router Fans
Location of the Cisco 2821 and Cisco 2851 Router Fans
shows the location of the fan unit in the Cisco 2821 and Cisco 2851 routers. The router contains
three fans, which are connected together as one unit.
Figure 1
Fan Unit Location in the Cisco 2821 and Cisco 2851 Routers
Upgrading the Cisco 2821 and Cisco 2851 Fan Unit
The fan unit and cabling for the Cisco 2821 and Cisco 2851 routers are contained inside the chassis.
Note
The fan unit upgrade procedure will take approximately one hour.
To upgrade the fan unit, complete these procedures:
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Location of the fan unit
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