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Juniper EX4550 Hardware Guide

Juniper EX4550
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CAUTION: We recommendthatyou install eithera replacement powersupply
or a cover panel in the empty power supply slot to avoid chassis overheating
and dust accumulation.
To remove a power supply from the switch (see Figure 60 on page 208):
1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
2. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
point on the chassis.
3. Make sure that the voltage across the DC power source cables leads is 0 V and that
there is no chance that the cables might become active during the removal process.
4. Remove the plastic cover from the input terminals by sliding the cover either to the
left or right.
5. Unscrew the locking screws counterclockwise by using the screwdriver.
6. Remove the cable lugs from the input DC terminals.
7. Slide the ejector lever toward the left until the power supply is unseated.
8. Grasp the power supply handle and pull firmly to slide the power supply halfway out
of the chassis.
9. Taking care not to touch power supply pins, leads, or solder connections, place one
hand under the power supply to support it. Grasp the power supply handle with your
other hand and pull the power supply completely out of the chassis.
10. Place the power supply in the antistatic bag or on the antistatic mat placed on a flat,
stable surface.
11. If you are not replacing the power supply, install the cover panel over the slot.
Figure 60: Removing a DC Power Supply from an EX4550 Switch
g021415
Related
Documentation
• Installing a DC Power Supply in an EX4550 Switch on page 206
• DC Power Supply in EX4550 Switches on page 44
• EX4550 Switches Hardware Overview on page 3
Copyright © 2015, Juniper Networks, Inc.208
EX4550 Switch Hardware Guide

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Juniper EX4550 Specifications

Console Connection Settings IconConsole Connection Settings
baud rate9600
data bits8
stop bits1

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