Removing The Dc Power Supply Module - Juniper Junos Space JA2500 Hardware Manual

JA2500 Junos Space Appliance Hardware Guide

Removing the DC Power Supply Module

96
This topic has the following sections:
Removing the DC Power Supply Module on page 96
Installing a DC Power Supply Module on page 97
To remove the DC power supply module from a Junos Space Appliance, do the following:
Switch off the dedicated facility circuit breaker for the power supply module being
1.
removed.
(Optional) Attach an electrostatic discharge (ESD) grounding strap to your bare wrist,
2.
and connect the strap to an external ESD point.
Make sure that the voltage across the DC power source cable leads is 0 V and that
3.
there is no chance that the cables might become active during the removal process.
Remove the clear plastic cover protecting the terminal studs on the faceplate.
4.
Remove the screws from the terminals, using a Phillips screwdriver, number 2 to loosen
5.
and remove the screws. Save the screws.
Remove the cable lugs from the terminals.
6.
Remove the screw on the grounding terminal by using the screwdriver. Save the screw.
7.
Remove the grounding lug from the grounding terminal.
8.
Carefully move the power cables out of the way.
9.
Slide the ejector lever to the right, as shown in
10.
furthest position.
Figure 18: Removing a DC Power Supply Module
1— Power supply ejector lever
Grasp the handle of the power supply module and pull firmly to slide the power supply
11.
module halfway out of the chassis.
Figure 18 on page 96, until it is in its
Copyright © 2014, Juniper Networks, Inc.