Install A Replacement 750 W Dc Power Supply - Extreme Networks ExtremeSwitching X435 Series Hardware Installation Manual

Install a Replacement 750 W DC Power Supply

4. Push the latching tab toward the power supply handle and pull outward on the handle to disengage
the power supply internal connectors.
Figure 298: Removing a Summit 750 W Power Supply
5. Carefully slide the power supply the rest of the way out of the switch.
6. If a replacement power supply will not be installed, install a cover over the unoccupied power supply
bay.
Install a Replacement 750 W DC Power Supply
To install a replacement 750 W DC power supply unit (PSU), follow these steps:
1. Verify that the replacement power supply is oriented the same as the one you removed.
2. Verify that the direction of ventilation airflow is the same for both the power supply and the switch.
In a switch with front-to-back airflow, the fan modules are labeled Air Out.
In a switch with back-to-front airflow, the fan modules are labeled Air In.
358 ExtremeSwitching Hardware Installation Guide
Note
Unoccupied power supply bays must always be covered to maintain proper system
ventilation and EMI levels.
Replacing DC Power Supplies