Juniper EX4300 Series Hardware Manual page 307

NOTE: If only one power supply is installed in your EX4300 switch, you need to power off
the switch before removing the power supply.
3. If the AC power source outlet has a power switch, set it to the OFF (O) position.
4. Gently pull out the plug end of the power cord connected to the power source outlet.
5. Remove the power cord from the power supply faceplate by detaching the power cord retainer and
gently pulling out the socket end of the power cord connected to the power supply faceplate.
6. Slide the ejector lever toward the left until the power supply is unseated.
7. Grasp the power supply handle and pull firmly to slide the power supply halfway out of the chassis.
8. Place one hand under the power supply to support it and slide it completely out of the chassis. Take
care not to touch power supply components, pins, leads, or solder connections.
9. Place the power supply in the antistatic bag or on the antistatic mat placed on a flat, stable surface.
10. If you are not replacing the power supply, install the cover panel over the slot.
Figure 88: Removing an AC Power Supply from an EX4300 Switch
SEE ALSO
Installing an AC Power Supply in an EX4300 Switch | 298
Installing and Removing EX4300 Switch Hardware Components
AC Power Supply Specifications for EX4300 Switches | 103
Field-Replaceable Units in EX4300 Switches | 52
AC Power Cord Specifications for an EX4300 Switch | 105
EX4300 Switches Hardware Overview | 2
297