Juniper EX4500-40F-BF, Complete Hardware Manual, Page: 191 / 294

For DC power supplies:
•
Make sure that the voltage across the DC power source cable leads is 0 V and that
the cables do not become active.
5.
Observe the power supply LEDs and verify that the power supply LEDs turn off (appear
unlit).
6.
Repeat Steps 4 and 5 for all installed power supplies.
Related
Documentation
Connecting AC Power to an EX4500 Switch on page 143
•
•
Connecting DC Power to an EX4500 Switch on page 145
Removing an EX4500 Switch from a Rack or Cabinet
If you need to relocate an installed EX4500 switch, use the procedure described in this
topic. (The remainder of this topic uses “rack” to mean “rack or cabinet.” )
NOTE: When you remove multiple switches from a rack, remove the switch
in the top of the rack first and proceed to remove the rest of the switches
from top to bottom.
CAUTION: At least two people must be available to lift a switch chassis out
of a rack—one person to unscrew the mounting screws from the brackets
and the second person to hold the chassis.
Before removing the switch from a rack:
•
Ensure that the rack or cabinet is stable and secured to the building.
• Ensure that there is enough space to place the removed switch in its new location and
along the path to the new location.
•
Read “General Safety Guidelines and Warnings” on page 221 , with particular attention
to “Chassis Lifting Guidelines for EX4500 Switches” on page 235 .
• Ensure that the switch has been safely powered off and that you have unplugged
(disconnected) the power cords.
•
Ensure that you have disconnected any cables or wires attached to the switch.
Ensure that you have the following parts and tools available to remove the switch:
•
A Phillips (+) screwdriver, number 2 or number 3, depending on the size of your rack
mounting screws.
• A labeled bag to hold the removed screws.
To remove an EX4500 switch from a rack:
173 Copyright © 2015, Juniper Networks, Inc.
Chapter 13: Removing the Switch