Juniper EX4500 Hardware Manual page 238

EX4500 Switch Hardware Guide
216
EX4500 switches running Junos OS Release 10.4R2 or later 10.4 releases will
not boot if you do not install the intraconnect module in the switch.
EX4500 switches running Junos OS Release 11.1R1 or later releases will not
boot if you install neither the intraconnect module nor the Virtual Chassis
module in the switch.
Before you begin removing the Virtual Chassis module from the switch:
Ensure that you have taken the necessary precautions to prevent electrostatic discharge
(ESD) damage (see "Prevention of Electrostatic Discharge Damage" on page
Have instructions and tools for removing the fan tray. See
an EX4500 Switch" on page
Ensure that you have the following parts and tools available:
ESD grounding strap
Phillips screwdriver, number 2
A replacement Virtual Chassis module. (Install the replacement module immediately
after removing the module. Operating the switch without this module is not supported.)
An antistatic bag or antistatic mat
NOTE: You must remove the fan tray from the switch before removing the
Virtual Chassis module. See
on page 176.
To remove the Virtual Chassis module from the switch (see
Halt the switch:
1.
request system halt
user@switch>
Wait until a message appears confirming that switch operation has halted.
Power off the switch by performing one of the following:
2.
If you are using AC power:
If the AC power source outlet has a power switch, set it to the OFF (0) position.
If the AC power source outlet does not have a power switch, gently pull out the
male end of the power cord connected to the power source outlet.
176.
"Removing a Fan Tray from an EX4500 Switch"
Copyright © 2017, Juniper Networks, Inc.
281).
"Removing a Fan Tray from
Figure 69 on page 218):