Removing An Ex4500 Switch From A Rack Or Cabinet - Juniper EX4500 Hardware Manual

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Removing an EX4500 Switch from a Rack or Cabinet

Copyright © 2017, Juniper Networks, Inc.
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.
Observe the power supply LEDs and verify that the power supply LEDs turn off (appear
5.
unlit).
Repeat Steps 4 and 5 for all installed power supplies.
6.
Connecting AC Power to an EX4500 Switch on page 141
Connecting DC Power to an EX4500 Switch on page 144
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
to "Chassis Lifting Guidelines" on page
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.
Chapter 16: Removing the Switch
251, with particular attention
260.
173