Replacing The Power Supply In The Bottom Slot - Juniper EX4500 Hardware Manual

Replacing the Power Supply in the Bottom Slot

Copyright © 2017, Juniper Networks, Inc.
To ensure that the replacement power supply is operating normally and both power
8.
supplies are providing redundant power to the switch, verify that both power supply
LEDs (see Figure 52 on page
To replace the power supply in the bottom slot, go on to
9.
in the Bottom Slot" on page
To replace the power supply in the bottom slot of the switch:
If you have not already done so, ensure that the EX4500 switch you are working on
1.
is operating normally, with both power supplies turned on, by verifying that the LED
on each power supply is lit steadily green (see
If you have not already done so, attach the ESD grounding strap to your bare wrist,
2.
and connect the strap to the ESD point on the lower right front of the chassis—or
touch the exposed, bare metal of the switch to ground yourself before handling a
component.
Remove power from the old power supply in the bottom slot (see Step
3.
the Power Supply in the Top Slot" on page
Remove the power cord from the old power supply in the bottom slot (see Step
4.
"Replacing the Power Supply in the Top Slot" on page
Remove the bottom old power supply from the switch (see Step
5.
Power Supply in the Top Slot" on page
CAUTION: Do not leave the power supply slot empty for a long time while
the switch is operational. Either replace the power supply promptly or
install a cover panel over the empty slot.
Install the bottom replacement power supply (see Step
6.
Supply in the Top Slot" on page
Connect power to the bottom replacement power supply (see Step
7.
the Power Supply in the Top Slot" on page
To ensure that the replacement power supply is operating normally and both power
8.
supplies are providing redundant power to the switch, verify that both power supply
LEDs (see Figure 52 on page
180) are lit steadily green
183.
Figure 52 on page
180).
180).
180).
180).
180).
180) are lit steadily green.
Chapter 18: Replacing Power Supply
"Replacing the Power Supply
180).
3 in "Replacing
4
5 in "Replacing the
6 in "Replacing the Power
7 in "Replacing
in
183