Removing A Dc Power Supply From An Ex4500 Switch - Juniper EX4500 Hardware Manual

4. Taking care not to touch power supply pins, leads, or solder connections, remove the power supply
from the bag.
5. 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. You will hear a distinct click sound when the power supply is fully seated
in the chassis.
Figure 58: Installing a Power Supply in an EX4500 Switch
NOTE: If you have a Juniper J-Care service contract, register any addition, change, or upgrade
of hardware components at
https://www.juniper.net/customers/support/tools/updateinstallbase/
result in significant delays if you need replacement parts. This note does not apply if you replace
existing components with the same type of component.

Removing a DC Power Supply from an EX4500 Switch

The power supply in EX4500 switches is a hot-removable and hot-insertable field-replaceable unit (FRU):
You can remove and replace it without powering off the switch or disrupting switch functions.
Before you begin removing a power supply from the switch:
Ensure you understand how to prevent ESD damage. See
on page 305.
Ensure that you have the following parts and tools available to remove the power supply from the switch
chassis:
Electrostatic discharge (ESD) grounding strap
Phillips (+) screwdriver, number 2
. Failure to do so can
"Prevention of Electrostatic Discharge Damage"
202