Installing An Mx960 Dc Power Supply - Juniper MX960 Hardware Manual

Installing an MX960 DC Power Supply

Copyright © 2017, Juniper Networks, Inc.
WARNING: Before performing DC power procedures, ensure that power is
removed from the DC circuit. To ensure that all power is off, locate the circuit
breaker on the panel board that services the DC circuit, switch the circuit
breaker to the off position, and tape the switch handle of the circuit breaker
in the off position.
To install a DC power supply (see
Ensure that the voltage across the DC power source cable leads is 0 V and that there
1.
is no chance that the cable leads might become active during installation.
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
2.
ESD points on the chassis.
Move the DC circuit breaker on the power supply faceplate to the off (
3.
Ensure that the release lever below the empty power supply slot is locked in the
4.
counterclockwise position (see
If necessary, pull the spring-loaded locking pin in the release lever away from the
chassis and turn the release lever counterclockwise until it stops. Let go of the locking
pin in the release lever. Ensure that the pin is seated inside the corresponding hole in
the chassis.
Using both hands, slide the power supply straight into the chassis until the power
5.
supply is fully seated in the chassis slot. The power supply faceplate should be flush
with any adjacent power supply faceplates.
The small tab on the metal housing that is controlled by the release lever must be
inside of the corresponding slot at the bottom of the power supply (see
Figure 105 on page 296). This tab is used to pull the power supply down in the chassis
slot, prior to removing the power supply.
While firmly pushing the handle on the power supply faceplate with one hand, use
6.
your other hand to pull the spring-loaded locking pin in the release lever away from
the chassis and turn the release lever clockwise until it stops.
Let go of the locking pin in the release lever. Ensure that the pin is seated inside the
7.
corresponding hole in the chassis.
Remove the clear plastic cover protecting the terminal studs on the faceplate.
8.
Remove the nut and washer from each of the terminal studs.
9.
Chapter 21: Installing Components
Figure 105 on page 296):
Figure 105 on page 296).
) position.
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