Dell Networking S4048 - Fan Module Installation; Fan Module Replacement; After S4048-ON Installation

1 Fan modules
Fan module installation
The fan modules in the S4048–ON are eld replaceable.
Module slot 1 is on the left side of the chassis, module slot 2 is in the middle of the chassis, and module slot 3 is on the right side of the
chassis.
CAUTION: DO NOT mix airow directions. All fans must use the same airow direction—reverse or
normal.
1 Take the fan module out of the shipping box.
2 Use the grab handle to slide the module into the bay.
Fan module replacement
CAUTION: Complete steps 2 and 3 within one minute or the system powers down.
1 Use the red-marked grab handle to slide the fan module out of the bay.
2 Use the red-marked grab handle on the replacement module to slide it into the bay.
3 Ensure that the module is secure.
After S4048–ON installation
After you have securely installed and powered on the S4048-ON, to congure your system, see your open network installation environment
(ONIE)-compatible operating system documentation at http://onie.org.
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Fans