Complete Hardware Guide for EX3200 and EX4200 Ethernet Switches

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 133. 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 175.

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 136. 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 177.

Related Topics Cooling System and Airflow in an EX3200 Switch on page 31

Cooling System and Airflow in an EX4200 Switch on page 32

Power Supply in EX3200 and EX4200 Switches on page 26

Uplink Modules in EX3200 and EX4200 Switches on page 33

Optical Interface Support in EX3200 and EX4200 Switches on page 43

Installing a Power Supply in an EX3200 or EX4200 Switch

The power supply in EX3200 and EX4200 switches is 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 to install a power supply in an EX3200 or EX4200 switch chassis:

Electrostatic discharge (ESD) grounding strap

Phillips (+) screwdriver, number 2

Before you begin installing a power supply in an EX3200 or EX4200 switch, ensure that you have taken the necessary precautions to prevent ESD damage (see “Prevention of Electrostatic Discharge Damage on EX Series Switches” on page 236).

To install a power supply in an EX3200 or EX4200 switch (see Figure 46 on page 131):

1.Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to the ESD point on the chassis.

2.Taking care not to touch power supply components, pins, leads, or solder connections, remove the power supply from its bag.

3.Loosen the locking lever screw on the left front of the power supply by using the Phillips (+) screwdriver, number 2.

4.Push down on the locking lever until it is in its lowest position.

5.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.

130Installing a Power Supply in an EX3200 or EX4200 Switch

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Juniper Networks manual Installing a Power Supply in an EX3200 or EX4200 Switch