Juniper MX960 Hardware Manual page 509

Copyright © 2017, Juniper Networks, Inc.
Remove MX960 normal-capacity AC power supplies for power supply in slots 0, 1, 2, 3
where present. All power supplies should be removed proceeding with the installation
of the AC power supplies. To convert from DC to AC, use the following procedures.
To remove a normal-capacity DC power supply (see
Switch off the dedicated customer site circuit breaker for the power supply being
1.
removed. Follow your site's procedures for electrostatic discharge (ESD).
Move the DC circuit breaker on the power supply faceplate to the off (
2.
Verify that the INPUT OK
3.
verify that the
BREAKER ON
Make sure that the voltage across the DC power source cable leads is 0 V and that
4.
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 from
5.
the power supply in slot 0.
Remove the nut and washer from each of the terminal studs. (Use a 7/16-in.
6.
[11-mm] nut driver or socket wrench.)
Loosen the captive screw on the cable restraint on the lower edge of the power supply
7.
faceplate.
Remove the cable lugs from the terminal studs.
8.
Carefully move the power cables out of the way.
9.
While grasping the handle on the power supply faceplate with one hand, use your
10.
other hand to 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
11.
corresponding hole in the chassis.
Pull the power supply straight out of the chassis (see
12.
WARNING: Do not touch the power connector on the top of the power
supply. It can contain dangerous voltages.
Repeat steps 1-12 for power supplies in slot 1, 2, and 3, where present.
13.
Chapter 30: Converting to a Different Type of Power Supply
Figure 164 on page
LEDs on the power supply to be removed are not lit. Also
LED is not lit.
398):
O ) position.
Figure 164 on page 398).
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