Cisco 2851 Series Установка и модернизация - Страница 11
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Location of the Cisco 2821 and Cisco 2851 Router Fans
Figure 1
three fans, which are connected together as one unit.
Figure 1
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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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78-18643-02
shows the location of the fan unit in the Cisco 2821 and Cisco 2851 routers. The router contains
Fan Unit Location in the Cisco 2821 and Cisco 2851 Routers
Location of the fan unit
Removing the Router Cover, page 12
Removing the Fan Unit, page 16
Installing the Fan Unit, page 18
Replacing the Router Cover, page 19
Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers
Location of the Cisco 2821 and Cisco 2851 Router Fans
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