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Copyright © 2017, Juniper Networks, Inc.
Power supplies with different airflow labels (
) in the same chassis.
(AFO)
Power supplies and fan modules with different airflow labels (
and
AIR OUT (AFO)
Before you install a DC power supply in the switch:
Ensure you understand how 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 install a DC power supply
in the switch chassis:
ESD grounding strap
Phillips (+) screwdriver
NOTE:
Each power supply must be connected to a dedicated power source
outlet.
To install a DC power supply in the switch:
Ensure that you have the correct power supply. The label
1.
on the power supply must match the label
(AFO)
the installed fan module.
Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
2.
point on the chassis.
If the power supply slot has a cover panel on it, loosen the captive screws on the cover
3.
panel by using your fingers or the screwdriver. Hold the captive screw and gently pull
it outward to remove the cover panel. 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 and the clip clicks into place. See
Figure 25 on page 80
Chapter 15: Replacing Power Supply
) in the same chassis.
AIR IN (AFI)
AIR IN (AFI)
and
AIR OUT
AIR IN (AFI)
167.
or
AIR IN (AFI)
AIR OUT
or
on
AIR OUT (AFO)
113
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