Replacing An Mx2020 Dc Power Supply Module; Removing An Mx2020 Dc Power Supply Module; Figure 207: Installing The Extended Craft Interface - Juniper MX2020 Hardware Manual

MX2020 3D Universal Edge Router Hardware Guide

Replacing an MX2020 DC Power Supply Module

Removing an MX2020 DC Power Supply Module

454

Figure 207: Installing the Extended Craft Interface

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Removing an MX2020 DC Power Supply Module on page 454
1.
2. Installing an MX2020 DC Power Supply Module on page 456
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 a DC PSM (see
NOTE: The minimum number of DC PSMs change, 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.
19
Figure 208 on page 455):
) position.
O
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