Replacing Power Supplies; Installing A Power Supply In A Qfx5200; Chapter 14 Replacing Power Supplies - Juniper QFX5200 Hardware Manual

CHAPTER 14

Replacing Power Supplies

Installing a Power Supply in a QFX5200

Copyright © 2017, Juniper Networks, Inc.
Installing a Power Supply in a QFX5200 on page 85
Removing a Power Supply from a QFX5200 on page 86
The QFX5200 is shipped from the factory with two power supplies. Each power supply
is a hot-removable and hot-insertable field-replaceable unit (FRU) when the second
power supply is installed and running. You can install replacement power supplies in the
two slots next to the fan modules without powering off the switch or disrupting the
switching function.
Before you install a power supply in a QFX5200, ensure that you have taken the
necessary precautions to prevent electrostatic discharge (ESD) damage (see
"Prevention of Electrostatic Discharge Damage" on page
Ensure that the airflow direction of the power supply is the same as the chassis. Labels
on the power supply handle indicate the direction of airflow. See
System and Airflow" on page 17
To install a power supply in a QFX5200 (see
Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
1.
point on the chassis.
Taking care not to touch power supply components, pins, leads, or solder connections,
2.
remove the power supply from its bag.
CAUTION: Verify that the direction of the arrow on the power supply
handle matches the direction of airflow in the chassis. Ensure that each
power supply you install in the chassis has the same airflow direction. If
you install power supplies with two different airflow directions, Junos OS
raises an alarm, and the status (
Using both hands, place the power supply in the power supply slot on the FRU panel
3.
of the switch and slide it in until it is fully seated and the locking lever slides into place.
156).
for more information.
Figure 32 on page
) LED blinks amber.
ALM
"QFX5200 Cooling
86):
85