Installing An Ac Power Supply In An Ex4500 Switch - Juniper EX4500 Hardware Manual

EX4500 Switch Hardware Guide
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Installing an AC Power Supply in an EX4500 Switch

184
AC Power Supply in EX4500 Switches on page 39
AC Power Supply LEDs in EX4500 Switches on page 41
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 install an AC power supply in the switch:
Ensure you understand how to prevent ESD damage. See
Discharge Damage" on page
NOTE: Each power supply must be connected to a dedicated power source
outlet.
To install a power supply in the switch (see
Ensure that you have the correct power supply. The color of the power supply's ejector
1.
lever must match the color of the intake or exhaust labels visible through the fan tray
vents. See "AC Power Supply in EX4500 Switches" on page
CAUTION: Operating the switch with an incorrect power supply might
cause the chassis to overheat.
Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and
2.
connect the strap to the ESD point on the chassis.
If the power supply slot has a cover panel on it, pull the handle of the cover panel
3.
outwards and remove it. Save the cover panel for later use.
Taking care not to touch power supply pins, leads, or solder connections, remove the
4.
power supply from the bag.
Using both hands, place the power supply in the power supply slot on the rear panel
5.
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.
281.
Figure 56 on page
Copyright © 2017, Juniper Networks, Inc.
"Prevention of Electrostatic
185):
39.