Install Guide

Fan module installation
The fan modules in the S3048ON are field 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 airflow directions. All fans must use the same airflow directionreverse or normal. If
you mix the airflow direction, the switch detects the discrepancy and issues an alarm. You must correct the
mixed airflow direction.
1. Take the fan module out of the shipping box.
2. Slide the module into the bay.
Fan module replacement
CAUTION: Complete steps 2 and 3 within one minute or the switch powers down.
1. Slide the fan module out of the bay.
2. Slide the replacement module into the bay.
After installing the switch
After you have securely installed and powered on the S3048-ON, to configure your switch, see your ONIE-compatible operating
system documentation.
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Fans