Juniper Junos Space JA1500, Hardware Manual

Page: 145 / 210

Removing the DC Power Supply Module
To remove the DC power supply module from a Junos Space Appliance, do the following:
1.
Switch off the dedicated facility circuit breaker for the power supply module being
removed.
2.
(Optional) Attach an electrostatic discharge (ESD) grounding strap to your bare wrist,
and connect the strap to an external ESD point.
3.
Make sure that the voltage across the DC power source cable leads is 0 V and that
there is no chance that the cables might become active during the removal process.
4.
Remove the clear plastic cover protecting the terminal studs on the faceplate.
5.
Remove the screws from the terminals, using a Phillips screwdriver, number 2 to loosen
and remove the screws. Save the screws.
6.
Remove the cable lugs from the terminals.
7.
Remove the screw on the grounding terminal by using the screwdriver. Save the screw.
8.
Remove the grounding lug from the grounding terminal.
9.
Carefully move the power cables out of the way.
10.
Slide the ejector lever to the right, as shown in Figure 17 on page 131 , until it is in its
furthest position.
Figure 17: Removing a DC Power Supply Module
1— Power supply ejector lever
131 Copyright © 2018, Juniper Networks, Inc.
Chapter 11: Replacing Hardware Components