Replacing An Mx2020 Ac Power Supply Module; Removing An Mx2020 Ac Power Supply Module - Juniper MX2020 Hardware Manual

MX2020 3D Universal Edge Router Hardware Guide

Replacing an MX2020 AC Power Supply Module

Removing an MX2020 AC Power Supply Module

428
Maintaining Cables That Connect to MX2020 MPCs or MICs on page 338
Removing an MX2020 AC Power Supply Module on page 428
1.
2. Installing an MX2020 AC Power Supply Module on page 429
Before you remove a PSM, be aware of the following:
CAUTION: To maintain proper cooling and prevent thermal shutdown of the
operating PSM, each PSM slot must contain either a PSM or a blank panel.
If you remove a PSM, you must install a replacement PSM or a blank panel
shortly after the removal.
NOTE: After powering off a PSM, wait at least 60 seconds before turning it
back on.
To remove an AC PSM (see
NOTE: The minimum number of AC PSMs changes based on the configuration.
With one PSM installed and operational, remove any additional PSM by turning the
1.
power switch to the off (
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the ESD points on the chassis.
Loosen the two captive screws on the PSM faceplate.
3.
While grasping the handle on the PSM faceplate with one hand, use your other hand
4.
to guide the PSM away from the chassis.
Pull the PSM straight out of the chassis.
5.
CAUTION: Do not touch the power connectors in back of the PSM. It can
get damaged.
Place the PSM module into an antistatic bag.
6.
NOTE: Each PSM slot not occupied by a AC PSM must be covered by a
PSM blank panel.
Figure 183 on page 429):
) position.
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