To install an uplink module in a J-EX4200 switch, follow instructions in “Installing anUplink Module in a J-EX4200 Switch” on page 108. To remove an uplink module, followinstructions in “Removing an Uplink Module from a J-EX4200 Switch” on page 142.To install an SFP or SFP+ transceiver in a J-EX4200 switch, follow instructions in “Installinga Transceiver in a J-EX Series Switch” on page 110. To remove a transceiver, followinstructions in “Removing a Transceiver from a J-EX Series Switch” on page 144.RelatedDocumentationCooling System and Airflow in a J-EX4200 Switch on page 24•• Power Supply in J-EX4200 Switches on page 21• Uplink Modules in J-EX4200 Switches on page 25• Optical Interface Support in J-EX4200 Switches on page 32Removing a Power Supply from a J-EX4200 SwitchThe power supply in J-EX4200 switches is a hot-removable and hot-insertablefield-replaceable unit (FRU): You can remove and replace it without powering off theswitch or disrupting switch functions.Ensure that you have the following parts and tools available:• Phillips (+) screwdriver, number 2• An antistatic bag or an antistatic matCAUTION: Do not leave the power supply slot empty for a long time whilethe switch is on. The power supply must remain in the chassis for properairflow.To remove a power supply from a J-EX4200 switch (see Figure 56 on page 141):1. Place the antistatic bag or the antistatic mat on a flat, stable surface.2. To disconnect power to the switch, 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 maleend of the power cord connected to the power source outlet.3. Gently pull out the female end of the power cord connected to the power supplyfaceplate.4. Loosen the locking lever screw on the left front of the power supply by using thescrewdriver.5. Push down on the locking lever until it is in its lowest position.6. Grasp the power supply handle and pull firmly to slide it halfway out of the chassis.140Dell PowerConnect J-Series J-EX4200 Ethernet Switch Hardware Guide
