Cisco 3825 Series Installation And Upgrades page 17

Lower the fan unit down and onto the chassis floor.
Step 1
Attach fan 1 to the J4 connector on the motherboard. (See number 1 and 2 in
Step 2
Figure 7
1 Fan 1
3
Fan 2
5
Fan 3
Attach fan 2 to the J18 connector on the motherboard. (See number 3 and 4 in
Step 3
Attach fan 3 to the J25 connector on the motherboard. (See number 5 and 6 in
Step 4
Orient the fan connectors correctly before you insert them. Incorrect orientation can damage the
Caution
connector pins.
Reinstall the two screws on the front of the chassis. (See
Step 5
Reinstall the four screws on the side of the chassis. (See
Step 6
Reinstall the two screws on the top of the fan unit. (See
Step 7
78-18642-01B0
Attaching Fan Cable to the J Connectors
1 2 3 4
2 Fan 1 to J4 connector
4
Fan 2 to J18 connector
6
Fan 3 to J25 connector
Figure 6 on page
Figure 5 on page
Figure 4 on page
Installing and Upgrading Fans in the Cisco 3825 Series Routers
Upgrading the Cisco 3825 Fan Unit
Figure 7.)
5 6
Figure 7.)
Figure 7.)
16.)
15.)
15.)
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