Setup Guide

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 switch 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 switch, see your open network installation environment

(ONIE)-compatible operating system documentation at https://onie.org.

Fans