Install Internal Power Supplies

If your switch does not come with an installed power supply, you can install one or two power supplies. All installed power supplies must blow air in the same direction and must match the airflow direction of the installed fan modules.

Note

Note

Installed power supplies can be AC, DC, or a combination of AC and DC

Power supplies with a red tab provide front-to-back airflow.
Power supplies with a blue tab provide back-to-front airflow.

For installation instructions, see Replace Power Supplies.

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