Fans - Dell Force10 S4820T System Getting Started Manual

Fans

The S4820T has stock keeping units (SKUs) that support the following
configurations. Installation of the fans is done as part of the factory install based
on SKU type. The power supply units (PSUs) are to be installed at the customer
site (refer to Power
• AC PSU with fan airflow from I/O to PSU
• AC PSU with fan airflow from PSU to I/O
• DC PSU with fan airflow from I/O to PSU
• DC PSU with fan airflow from PSU to I/O
All fans and PSUs in a configuration must be in the same airflow direction.
Should for some reason a mixed airflow configuration happen, the software is
designed to notify you of the invalid configuration.
Figure 1-1. S4820T Fan Modules
6
Hardware Overview
Supplies).
Fan Module 0
Grab Handles
Fan Module 1