Installation guide

Figure 11. S4810–ON Fan Module
1. PSU1
2. Fan Module 1
3. Fan Module 2
4. Grab Handle
5. PSU2
Installing a Fan Module
The fan modules in the S4810–ON are field replaceable.
Module slot 0 is on the left side of the chassis; module slot 1 is on the right side of the chassis.
CAUTION: DO NOT mix airflow directions. Both fans must use the same airflow direction (reverse
or normal).
To install a fan module, follow these steps.
1. Take the fan module out of the shipping box.
2. Use the grab handle to slide the fan module into the bay.
3. Tighten the securing screws on the sides of the fan module.
Replacing a Fan Module
To replace a fan module, follow these steps.
1. Loosen the securing screws on the sides of the fan module.
CAUTION: You must complete steps 2 and 3 within one minute or the system powers down.
2. Use the grab handle to slide the fan module out of the bay.
3. Use the grab handle on the replacement module to slide it into the bay.
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Fans