Juniper EX4500 Hardware Manual page 222

EX4500 Switch Hardware Guide
200
you install the replacement module, you must install the fan tray. See
Fan Tray from an EX4500 Switch" on page
Ensure that you have the following parts and tools available:
Electrostatic discharge (ESD) grounding strap
Phillips screwdriver, number 2
A replacement intraconnect 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 EX4500 switch before
removing the intraconnect module. See
EX4500 Switch" on page
To remove the intraconnect 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.
Disconnect power to 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.
If you are using DC power:
Open the input circuit breaker so that the cables will not become active during the
removal process.
Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and
3.
connect the strap to the ESD point on the chassis.
Remove the fan tray from the EX4500 switch. See
4.
EX4500 Switch" on page
replacement intraconnect module.
Loosen the captive screws on the front faceplate of the module using the screwdriver.
5.
Position your fingers under the module as shown in
6.
outwards to unseat and eject the module.
176.
"Removing a Fan Tray from an
176.
"Removing a Fan Tray from an
176. Set it aside so that you can install it after you install the
Figure 64 on page 201
"Removing a
Figure 64 on page 201):
and pull
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