Juniper PTX5000 Hardware Manual page 405

2. Move the power switch located on the faceplate of the PDU to the standby
(
) position.
3. Disconnect the AC power cord from the power source.
NOTE: After powering off a PDU, you must wait at least 60 seconds before turning it back
on.
4. Make sure that the voltage across the AC power cord is 0 V and that there is no chance that the AC
power cord might become active during the removal process. Verify that the AC input LED on the
PDU faceplate is off.
5. Remove the power supply modules (PSMs) in the front of the chassis from the PDU to be removed
(see Figure 31).
a. Loosen the captive screws on the door covering the PSMs and open the door.
b. Press down the locking tab and then pull out the PSM by using the ejector handle. Grasp the
ejector handle and pull to eject the PSM.
c. Slide the PSM halfway out of the chassis. Place one hand underneath the PSM to support it and
slide it completely out of the chassis.
d. Repeat these steps for the remaining PSMs in the PDU.
Figure 196: Removing the High Capacity AC Power Supply Modules
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