13
Installing and Upgrading Fans in the Cisco 3825 Series Routers
78-18642-01B0
Upgrading the Cisco 3825 Fan Unit
Step 5 Remove the three screws on each side panel and set them aside in a safe place.
Step 6 Slide the cover toward the front of the chassis (about 1 inch [25 mm]), as shown in Figure 2.
Figure 2 Removing the Cover from a Cisco 3825 Router
Step 7
Lift the cover away from the router chassis, as shown in Figure 2.
Step 8 Set the cover aside.
1 Slide cover toward front 2 Remove cover from router chassis
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36
2
3
x
5
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FastEthernet Ports
2
2
x
4
x
2
1
x
3
x
2
0
x
2
x
1
9
x
1
x
1
8
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1
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8
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7
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9
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1
7
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1
6
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3
3
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1
5
x
3
2
x
1
4
x
3
1
x
1
3
x
3
0
x
1
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x
Ext
Pwr
-48V
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10
/10
0/
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ase-T
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1
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/10
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ase-Tx
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