Removing an MX480 AC Power Supply
Before you remove a power supply, be aware of the following:
NOTE:
The minimum number of power supplies must be present in the router
at all times.
CAUTION:
To maintain proper cooling and prevent thermal shutdown of the
operating power supply unit, each power supply slot must contain either a
power supply or a blank panel. If you remove a power supply, you must install
a replacement power supply or a blank panel shortly after the removal.
NOTE:
After powering off a power supply, wait at least 60 seconds before
turning it back on.
To remove an AC power supply (see
):
1.
Switch off the dedicated customer site circuit breaker for the power supply, and
remove the power cord from the AC power source. Follow the instructions for your
site.
2.
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
ESD points on the chassis.
3.
Move the AC input switch next to the appliance inlet on the power supply to the off
(
O
) position.
4.
Remove the power cord from the power supply.
5.
Unscrew the captive screws on the bottom edge of the power supply.
6.
Pull the power supply straight out of the chassis.
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Copyright © 2019, Juniper Networks, Inc.
Chapter 4: Maintaining Components
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