Removing The Mx960 Ac Power Supplies - Juniper MX240 - UPGRADING Manual

Removing the MX960 AC Power Supplies

Copyright © 2010, Juniper Networks, Inc.
Figure 18: MX960 AC Power Input Mode Switch
Before you remove a power supply, be aware of the following:
NOTE: The minimum number of power supplies must be present in the router
at all times.
CAUTION: To maintain proper cooling and prevent thermal shutdown of the
operating power supply unit, each power supply slot must contain either a
power supply or a blank panel. If you remove a power supply, you must install
a replacement power supply or a blank panel shortly after the removal.
NOTE: After powering off a power supply, wait at least 60 seconds before
turning it back on.
To remove an AC power supply (see Figure 19 on page 24):
Switch off the dedicated customer site circuit breaker for the power supply, and
1.
remove the power cord from the AC power source. Follow the ESD and disconnection
instructions for your site.
Move the AC input switch in the chassis above the power supply to the off (
2.
While grasping the handle on the power supply faceplate with one hand, use your
3.
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
4.
corresponding hole in the chassis.
Pull the power supply straight out of the chassis.
5.
Removing the MX960 AC Power Supplies
) position.
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