Juniper QFX5120 - Part 2: Install a Fan Module

To install a power supply (see Figure 1 and Figure 2):
Figure 1: Installing an AC Power Supply in QFX5120 Switches
g022511
Figure 2: Installing a DC Power Supply in QFX5120 Switches
g022517
1. If the power supply slot has a cover panel on it, use your fingers to hold and gently pull the cover panel outward to remove the
cover panel. Save the cover panel for later use.
2. Taking care not to touch power supply pins, leads, or solder connections, remove the power supply from the bag.
3. Using both hands, place the power supply in the power supply slot on the rear panel of the switch and slide it in until it is fully
seated and the ejector lever fits into place.
Part 2: Install a Fan Module
NOTE: The fan module slots are on the rear panel of the switches.
To install a fan module (see Figure 3).
Figure 3: Installing a Fan Module in QFX5120 Switches
g022521
1. Remove the fan module from its bag.
2. Hold the handle of the fan module with one hand and support the weight of the module with the other hand. Place the fan
module in the fan module slot on the rear panel of the switch and slide it in until it is fully seated.
3. Tighten the screws on the faceplate of the fan module by using a screwdriver.
3Copyright © 2018, Juniper Networks, Inc.
QFX5120 Switch Quick Start Guide