To install an uplink module in an EX3200 or EX4200 switch, follow instructions in
“Installing an Uplink Module in an EX3200 or EX4200 Switch” on page 135. To remove an
uplink module from an EX3200 or EX4200 switch, follow instructions in “Removing an
Uplink Module from an EX3200 or EX4200 Switch” on page 177.
To install an SFP, SFP+, or XFP transceiver in an EX3200 or EX4200 switch, follow
instructions in “Installing a Transceiver in an EX Series Switch” on page 137. To remove
an SFP, SFP+, or XFP transceiver from an EX3200 or EX4200 switch, follow instructions
in “Removing a Transceiver from an EX Series Switch” on page 179.
Related Topics Cooling System and Airflow in an EX3200 Switch on page 31•
• Cooling System and Airflow in an EX4200 Switch on page 33
• Power Supply in EX3200 and EX4200 Switches on page 27
• Uplink Modules in EX3200 and EX4200 Switches on page 34
• Optical Interface Support in EX3200 and EX4200 Switches on page 43
Installing a Power Supply in an EX3200 or EX4200 Switch
The power supplyin EX3200 and EX4200 switchesis a hot-removable and hot-insertable
field-replaceable unit (FRU): You can remove and replace it without powering off the
switch or disrupting switch functions.
Ensure that you have the following parts and tools available:
•
A Phillips (+) screwdriver, number 2
To install a power supply in an EX3200 or EX4200 switch (see Figure 46 on page 133):
1. Taking care not to touch powersupply components, pins, leads, or solder connections,
remove the power supply from its bag.
2. Loosen the locking lever screw on the left front of the power supply by using the
screwdriver.
3. Push down on the locking lever until it is in its lowest position.
4. Using both hands, place the power supply in the power supply slot on the rear panel
of the switch and slide it in until it is fully seated.
NOTE: The handle on the 320 W AC power supply is at the bottom of the power supply
faceplate, while the handle on the 600 W and the 930 W AC power supplies is at the
topof the faceplate.Thehandle on the 190 W DC power supply runs acrossthe faceplate.
5. Push the locking lever up to its highest position (this action might pull the power
supply in).
6. Tighten the locking lever screw by using the screwdriver.
Copyright © 2010, Juniper Networks, Inc.132
Complete Hardware Guide for EX3200 and EX4200 Ethernet Switches