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ネットワーク・ルーター Cisco 2851 SeriesのPDF インストールとアップグレードをオンラインで閲覧またはダウンロードできます。Cisco 2851 Series 21 ページ。 Cisco systems routers installing and upgrading fans

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Cisco 2851 Series インストールとアップグレード
Upgrading the Cisco 2821 and Cisco 2851 Fan Unit

Removing the Fan Unit

After you remove the router cover, follow these steps to remove the fan unit.
Before you begin, read the safety warnings as described in the
"Safety Warnings and Guidelines" section
Note
on page
2.
Locate the three fan connectors on the motherboard and remove them by lifting the connector away from
Step 1
the receptacle, as shown in
Figure
5.
Figure 5
Lifting the Connector from the Receptacle
Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers
16
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