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Chapter 3
Power Supply and Fan Module Installation
Installing a Fan Module
There must be a fan module in both fan module slots.
Note
Pinch the fan release handle, and slide the fan out.
Step 1
You should replace a failed fan module within 5 minutes to avoid overheating the switch.
Caution
Insert the new fan module into the fan slot, and firmly push the module) into the slot, applying pressure
Step 2
to the end of the module, not the extraction handles
module is flush with the switch rear panel. When the fan is operating, a green LED is on in the top left
corner of the fan.
Warning
Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed
circuitry could constitute an energy hazard. Statement 206
Figure 3-18
CO NS OL
S T A C K
Finding the Fan Module Serial Number
If you contact Cisco Technical Assistance regarding a fan module, you need to know the fan module
serial number. See
OL-19593-03
Inserting the Fan Module in the Switch
E
AU X
RE SE T
1
S T A C K
2
S-P WR
XP S
S-P WR
Figure 3-19
(Figure
AC OK
PS OK
C3 KX -P
WR -71 5W
AC
AC OK
PS OK
C3 KX -P
WR -71 5W
for the serial number location.
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
Installing a Fan Module
3-18). When correctly inserted, the fan
AC
3-15
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