Removing An Ac Power Supply From An Ex4300 Switch - Juniper EX4300 Hardware Manual

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Removing an AC Power Supply from an EX4300 Switch

Copyright © 2017, Juniper Networks, Inc.
Removing an AC Power Supply from an EX4300 Switch on page 235
Connecting AC Power to an EX4300 Switch on page 185
AC Power Supply in EX4300 Switches on page 49
AC Power Cord Specifications for an EX4300 Switch on page 100
EX4300 Switches Hardware Overview on page 3
The power supplies in EX4300 switches are hot-removable and hot-insertable
field-replaceable units (FRUs) installed in the rear panel of the switch: You can remove
and replace them without powering off the switch or disrupting switch functions.
Before you remove a power supply from an EX4300 switch, ensure that you have taken
the necessary precautions to prevent electrostatic discharge (ESD) damage (see
"Prevention of Electrostatic Discharge Damage" on page
Ensure that you have the following parts and tools available to remove a power supply
from an EX4300 switch:
ESD grounding strap
Phillips (+) screwdriver, number 2 (not provided)
Antistatic bag or an antistatic mat
Replacement power supply or a cover panel for the power supply slot
CAUTION: We recommend that you install either a replacement power supply
or a cover panel in the empty power supply slot to prevent chassis overheating
and dust accumulation.
NOTE: The power supply slots are at the right end of the rear panel on 24-port
and 48-port switches, and at the left end on 32-port switches.
Figure 70 on page 236
or 48-port switches. The procedure is the same for 32-port switches.
Place the antistatic bag or the antistatic mat on a flat, stable surface.
1.
Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
2.
point on the chassis.
NOTE: If only one power supply is installed in your EX4300 switch, you
need to power off the switch before removing the power supply.
Chapter 16: Replacing Power Supply
313).
shows how to remove an AC power supply from 24-port
235